SFL659_规格书_final_v1 0
L6599中文规格 PDF
力。
n DIP-16，SO-16N 两种封装
特征
n 液晶电视和等离子电视的电源 n 台式电脑和初级服务器 n 电信设备开关电源 n 交直流适配器的开关电源
框图
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L6599
高压谐振控制器
特征
n 50%占空比，谐振半桥变频控制 n 高精度振荡器
n 高至 500kHz 的工作频率 n 两级过流保护：变频和停机闭锁
序号编码
n 与 PFC 控制器的接口
器件编码
封装
包装
n 自锁禁止输入
L6599D
SO-16N
管装
n 轻载脉冲工作模式
L6599DTR SO-16N
卷带
n 上电/断电顺序或欠压保护输入
2.1 引脚排列 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 2.2 引脚功能说明 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 典型系统框图 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4 电气数据 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4.1 极限参数 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 4.2 热相关数据 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 5 电气参数 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 6 典型的电气性能 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 7 应用资料 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 7.1 振荡器 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 7.2 工作在空载或非常轻的负载状态 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18 7.3 软启动 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 7.4 电流检测，过流保护和过载保护 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 7.5 闭锁关机 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 7.6 LINE检测功能 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27 7.7 自举部分 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28 7.8 应用实例 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29 8 封装外形尺寸 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 修订记录 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
L6599D中文资料
L6599D中⽂资料May 2006 Rev 11/36L6599High-voltage resonant controllerFeatures■50% duty cycle, variable frequency control of resonant half-bridge ■High-accuracy oscillator■Up to 500kHz operating frequency■Two-level OCP: frequency-shift and latched shutdown■Interface with PFC controller ■Latched disable input■Burst-mode operation at light load ■Input for power-ON/OFF sequencing or brownout protection■Non-linear soft-start for monotonic output voltage rise■600V-rail compatible high-side gate driver with integrated bootstrap diode and high dV/dt immunity■-300/800mA high-side and low-side gate drivers with UVLO pull-down ■DIP-16, SO-16N packagesApplications■LCD & PDP TV■Desktop PC, entry-level server ■Telecom SMPS■AC-DC adapter, open frame SMPSOrder codePart number Package Packaging L6599D SO-16N T ube L6599TR SO-16N Tape and reelL6599NDIP-16T ube/doc/128b95b11a37f111f1855bea.htmlContents L6599Contents1Device description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Pin Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42.1Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42.2Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3Typical system block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74.1Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74.2Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6Typical electrical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157.1Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167.2Operation at no load or very light load . . . . . . . . . . . . . . . . . . . . . . . . . . . 187.3Soft-start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217.4Current sense, OCP and OLP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237.5Latched shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277.6Line sensing function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277.7Bootstrap section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297.8Application example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 8Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 9Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352/36L6599Device description3/361 Device descriptionThe L6599 is a double-ended controller specific for the resonant half-bridge topology. Itprovides 50% complementary duty cycle: the high-side switch and the low-side switch are driven ON 180° out-of-phase for exactly the same time.Output voltage regulation is obtained by modulating the operating frequency. A fixed dead-time inserted between the turn-OFF of one switch and the turn-ON of the other one guarantees soft-switching and enables high-frequency operation.To drive the high-side switch with the bootstrap approach, the IC incorporates a high-voltage floating structure able to withstand more than 600V with a synchronous-driven high-voltage DMOS that replaces the external fast-recovery bootstrap diode.The IC enables the designer to set the operating frequency range of the converter by means of an externally programmable oscillator.At start-up, to prevent uncontrolled inrush current, the switching frequency starts from a programmable maximum value and progressively decays until it reaches the steady-state value determined by the control loop. This frequency shift is non linear to minimize output voltage overshoots; its duration is programmable as well.The IC can be forced to enter a controlled burst-mode operation at light load, so as to keep converter's input consumption to a minimum.IC's functions include a not-latched active-low disable input with current hysteresis useful for power sequencing or for brownout protection, a current sense input for OCP with frequency shift and delayed shutdown with automatic restart.A higher level OCP latches off the IC if the first-level protection is not sufficient to control the primary current. Their combination offers complete protection against overload and short circuits. An additional latched disable input (DIS) allows easy implementation of OTP and/or OVP .An interface with the PFC controller is provided that enables to switch off the pre-regulator during fault conditions, such as OCP shutdown and DIS high, or during burst-mode operation.Pin Settings L65994/362 Pin Settings2.1 Connection2.2 FunctionsTable 1.Pin functionsN.NameFunction1C SSSoft start. This pin connects an external capacitor to GND and a resistor to RFmin (pin 4)that set both the maximum oscillator frequency and the time constant for the frequency shift that occurs as the chip starts up (soft-start). An internal switch discharges this capacitor every time the chip turns OFF (V CC < UVLO, LINE < 1.25V or > 6V , DIS > 1.85V , ISEN > 1.5V , DELAY > 3.5V) to make sure it will be soft-started next, and when the voltage on the current sense pin (ISEN) exceeds 0.8V , as long as it stays above 0.75V .2DELAYDelayed shutdown upon overcurrent. A capacitor and a resistor are connected from this pin to GND to set both the maximum duration of an overcurrent condition before the IC stops switching and the delay after which the IC restarts switching. Every time the voltage on the ISEN pin exceeds 0.8V the capacitor is charged by an internal 150µA current generator and is slowly discharged by the external resistor. If the voltage on the pin reaches 2V , the soft start capacitor is completely discharged so that the switching frequency is pushed to its maximum value and the 150µA is kept always on. As the voltage on the pin exceeds 3.5V the IC stops switching and the internal generator is turned OFF , so that the voltage on the pin will decay because of the external resistor. The IC will be soft-restarted as the voltage drops below 0.3V . In this way, under short circuit conditions, the converter will work intermittently with very low input average power.3CFTiming capacitor. A capacitor connected from this pin to GND is charged and discharged by internal current generators programmed by the external network connected to pin 4 (RFmin) and determines the switching frequency of the converter.L6599Pin Settings5/364RFminMinimum oscillator frequency setting. This pin provides a precise 2V reference and a resistor connected from this pin to GND defines a current that is used to set the minimum oscillator frequency. T o close the feedback loop that regulates the converter output voltage bymodulating the oscillator frequency, the phototransistor of an optocoupler will be connected to this pin through a resistor. The value of this resistor will set the maximum operatingfrequency. An R-C series connected from this pin to GND sets frequency shift at start-up to prevent excessive energy inrush (soft-start).5STBYBurst-mode operation threshold. The pin senses some voltage related to the feedbackcontrol, which is compared to an internal reference (1.25V). If the voltage on the pin is lower than the reference, the IC entersan idle state and its quiescent current is reduced. The chip restarts switching as the voltage exceeds the reference by 50mV . Soft-start is not invoked. This function realizes burst-mode operation when the load falls below a level that can be programmed by properly choosing the resistor connecting the optocoupler to pin RFmin (see block diagram). Tie the pin to RFmin if burst-mode is not used.6ISENCurrent sense input. The pin senses the primary current though a sense resistor or acapacitive divider for lossless sensing. This input is not intended for a cycle-by-cycle control; hence the voltage signal must be filtered to get average current information. As the voltage exceeds a 0.8V threshold (with 50mV hysteresis), the soft-start capacitor connected to pin 1 is internally discharged: the frequency increases hence limiting the power throughput. Under output short circuit, this normally results in a nearly constant peak primary current. This condition is allowed for a maximum time set at pin 2. If the current keeps on building up despite this frequency increase, a second comparator referenced at 1.5V latches the device off and brings its consumption almost to a “before start-up” level. The information is latched and it is necessary to recycle the supply voltage of the IC to enable it to restart: the latch is removed as the voltage on the Vcc pin goes below the UVLO threshold. Tie the pin to GND if the function is not used.7LINELine sensing input. The pin is to be connected to the high-voltage input bus with a resistor divider to perform either AC or DC (in systems with PFC) brownout protection. A voltage below 1.25V shuts down (not latched) the IC, lowers its consumption and discharges the soft-start capacitor. IC’s operation is re-enabled (soft-started) as the voltage exceeds 1.25V . The comparator is provided with current hysteresis: an internal 15µA current generator is ON as long as the voltage applied at the pin is below 1.25V and is OFF if this value is exceeded. Bypass the pin with a capacitor to GND to reduce noise pick-up. The voltage on the pin is top-limited by an internal zener. Activating the zener causes the IC to shut down (not latched). Bias the pin between 1.25 and 6V if the function is not used.8DISLatched device shutdown. Internally the pin connects a comparator that, when the voltage on the pin exceeds 1.85V , shuts the IC down and brings its consumption almost to a “before start-up” level. The information is latched and it is necessary to recycle the supply voltage of the IC to enable it to restart: the latch is removed as the voltage on the V CC pin goes below the UVLO threshold. Tie the pin to GND if the function is not used.9PFC_STOPOpen-drain ON/OFF control of PFC controller. This pin, normally open, is intended forstopping the PFC controller, for protection purpose or during burst-mode operation. It goes low when the IC is shut down by DIS > 1.85V , ISEN > 1.5V , LINE > 6V and STBY < 1.25V .The pin is pulled low also when the voltage on pin DELAY exceeds 2V and goes back open as the voltage falls below 0.3V . During UVLO, it is open. Leave the pin unconnected if not used.10GNDChip ground. Current return for both the low-side gate-drive current and the bias current of the IC. All of the ground connections of the bias components should be tied to a track going to this pin and kept separate from any pulsed current return.Table 1.Pin functionsTypical system block diagram L65996/363 Typical system block diagramTypical system block diagram11LVGLow-side gate-drive output. The driver is capable of 0.3A min. source and 0.8A min. sink peak current to drive the lower MOSFET of the half-bridge leg. The pin is actively pulled to GND during UVLO.12V CC Supply Voltage of both the signal part of the IC and the low-side gate driver. Sometimes a small bypass capacitor (0.1µF typ.) to GND might be useful to get a clean bias voltage for the signal part of the IC.13N.C.High-voltage spacer. The pin is not internally connected to isolate the high-voltage pin and ease compliance with safety regulations (creepage distance) on the PCB.14OUTHigh-side gate-drive floating ground. Current return for the high-side gate-drive current. Layout carefully the connection of this pin to avoid too large spikes below ground.15HVGHigh-side floating gate-drive output. The driver is capable of 0.3A min. source and 0.8A min. sink peak current to drive the upper MOSFET of the half-bridge leg. A resistor internally connected to pin 14 (OUT) ensures that the pin is not floating during UVLO.16VBOOTHigh-side gate-drive floating supply Voltage. The bootstrap capacitor connected between this pin and pin 14 (OUT) is fed by an internal synchronous bootstrap diode driven in-phase with the low-side gate-drive. This patented structure replaces the normally used external diode.Table 1.Pin functionsL6599Electrical data7/364 Electrical data4.1 Maximum ratingsNote:ESD immunity for pins 14, 15 and 16 is guaranteed up to 900V4.2 Thermal dataTable 2.Absolute maximum ratingsSymbol Pin ParameterValue Unit V BOOT 16 Floating supply voltage -1 to 618 V V OUT 14 Floating ground voltage -3 to V BOOT -18V dV OUT /dt 14 Floating ground max. slew rate 50V/nsV CC 12 IC Supply voltage (I CC ≤ 25 mA) Self-limited V V PFC_STOP 9 Maximum voltage (pin open) -0.3 to V CC V I PFC_STOP 9 Maximum sink current (pin low)AV LINEmax 7Maximum pin voltage (Ipin ≤ 1mA) Self-limited VI RFmin4 Maximum source current 2 mA 1 to 6, 8 Analog inputs & outputs-0.3 to 5VTable 3.Thermal dataSymbol DescriptionValue Unit R thJA Max. thermal resistance junction to ambient (DIP16)80°C/W Max. thermal resistance junction to ambient (SO16)120T STG Storage temperature range-55 to 150°C T J Junction operating temperature range-40 to 150°C P TOTRecommended max. power dissipation @T A = 70°C (DIP16) 1 WRecommended max. power dissipation @T A = 50°C (SO16)0.835 ElectricalcharacteristicsT J = 0 to 105°C, V CC = 15V, V BOOT = 15V, C HVG = C LVG = 1nF; C F = 470pF;R RFmin = 12k?; unless otherwise specified.Table 4.Electrical characteristicsSymbol Parameter TestconditionMin Typ Max Unit IC supply voltageV CC Operating range After device turn-on8.85 16 VV CC(ON)Turn-ON threshold Voltage rising10 10.7 11.4 VV CC(OFF)Turn-OFF threshold Voltagefalling 7.45 8.15 8.85 V Hys Hysteresis 2.55 VV Z V CC clamp voltage Iclamp = 10mA 16 17 17.9 V Supply currentI start-up Start-up current Before device turn-ONV CC = V CC(ON) - 0.2V200 250 µAI q Quiescent current Device ON, V STBY = 1V 1.5 2 mAI op Operating current Device ON,V STBY = V RFmin 3.5 5 mAI q Residual consumption V DIS> 1.85V or V DELAY> 3.5V or V LINE < 1.25 Vor V LINE = V clamp300 400 µAHigh-side floating gate-drive supplyI LKBOOT V BOOT pin leakagecurrentV BOOT= 580V 5 µAI LKOUT OUT pin leakage current VOUT= 562V 5 µAr DS(on)Synchronous bootstrapdiode ON-resistanceV LVG= High 150 ?Overcurrent comparatorI ISEN Input bias current V ISEN = 0 to V ISENdis-1 µAt LEB Leading edge blanking After V HVG and V LVGlow-to-high transition250 nsV ISENx Frequency shiftthreshold Voltage rising(1)0.76 0.8 0.84 VHysteresis Voltagefalling 50 mV V ISENdis Latch OFF threshold Voltage rising (1) 1.44 1.5 1.56 V td(H-L)Delay to output 300400 ns8/369/36Symbol Parameter Test condition Min Typ Max UnitLine sensing V th Threshold voltage Voltage rising or falling(1)1.2 1.25 1.3 V I Hyst Current hysteresis V CC > 5V , V LINE = 0.3V 12 15 18 µA V clamp Clamp levelI LINE = 1mA6 8 VDIS functionI DIS Input bias current V DIS = 0 to V th -1 µAV th Disable thresholdVoltage rising (1)1.77 1.85 1.93 VOscillatorDOutput duty cycleBoth HVG and LVG4850 52 %f oscOscillation frequency58.2 60 61.8kHzR RFmin = 2.7 k ?240 250 260Maximumrecommended500kHz T D Dead-time Between HVG and LVG0.20.3 0.4µs V CFp Peak value 3.9 V V CFv Valley value 0.9 VV REF Voltage reference at pin 4(1)1.92 22.08 VK M Current mirroring ratio 1A/A RF MINTiming resistor range1100k ?PFC_STOP functionI leak High level leakage currentV PFC_STOP = V CC ,V DIS = 0V 1 µAV LLow saturation levelI PFC_STOP =1mA,V DIS = 2V0.2 VSoft-start functionI leakOpen-state currentV(Css) = 2V0.5µA R Discharge resistance V ISEN > V ISENx 120Standby functionI DIS Input Bias Current V DIS = 0 to V th -1 µAV thDisable thresholdVoltage falling (1) 1.2 1.25 1.3 VHys HysteresisVoltage rising50mVTable 4.Electrical characteristics10/36Symbol Parameter Test condition Min TypMax UnitDelayed shutdown functionI leak Open-state current V(DELAY) = 0 0.5 µAI CHARGE Charge current V DELAY = 1V , V ISEN = 0.85V 100 150 200 µA Vth 1 Threshold for forcedoperation at max. frequencyVoltage rising (1)1.92 22.08 VVth 2Shutdown threshold Voltage rising (1) 3.3 3.5 3.7 V Vth 3Restart thresholdVoltage falling (1)0.25 0.3 0.35 VLow - side gate driver (voltages referred to GND)V LVGL Output low voltage I sink = 200mA 1.5 VV LVGH Output high voltage I source = 5mA12.8 13.3 V I sourcepk Peak source current -0.3 A I sinkpk Peak sink current 0.8A t f Fall time 30 ns t rRise time 60nsUVLO saturationV CC = 0 to V CC(ON),I sink = 2mA 1.1 VHigh-side gate driver (voltages referred to OUT)V HVGL Output low voltage I sink = 200 mA 1.5 V V HVGH Output high voltage I source = 5 mA12.8 13.3 V I sourcepk Peak source current -0.3 A I sinkpk Peak sink current 0.8A t f Fall time 30 ns t rRise time60 ns HVG-OUT pull-down25k ?1.Values traking each otherTable 4.Electrical characteristics11/366 Typical electrical performanceFigure 3.Device consumption vssupply voltageFigure 4.IC consumption vs junction temperatureV CC clamp voltage vs junction temperatureFigure 6.UVLO thresholds vs junction temperature12/36Figure 7.Oscillator frequency vsjunction temperature Figure 8.Dead-time vsjunction temperatureFigure 9.Oscillator frequency vstiming components Figure 10.Oscillator ramp vs junction temperature13/36Figure 11.Reference voltage vsjunction temperatureFigure 12.Current mirroring ratio vsjunction temperatureFigure 13.OCP delay source current vsjunction temperature Figure 14.OCP delay thresholds vs junction temperatureFigure 15.Standby thresholds vsjunction temperatureFigure 16.Current sense thresholds vsjunction temperatureFigure 17.Line thresholds vsjunction temperatureFigure 18.Line source current vsjunction temperatureFigure /doc/128b95b11a37f111f1855bea.html tched disable threshold vs junction temperature7 ApplicationinformationThe L6599 is an advanced double-ended controller specific for resonant half-bridge topology. In these converters the switches (MOSFETs) of the half-bridge leg are alternately switched on and OFF (180° out-of-phase) for exactly the same time. This is commonly referred to as operation at "50% duty cycle", although the real duty cycle, that is the ratio of the ON-time of either switch to the switching period, is actually less than 50%. The reason is that there is an internally fixed dead-time T D, inserted between the turn-OFF of either MOSFET and the turn-ON of the other one, where both MOSFETs are OFF. This dead- time is essential in order for the converter to work correctly: it will ensure soft-switching and enable high-frequency operation with high efficiency and low EMI emissions.To perform converter's output voltage regulation the device is able to operate in different modes (Figure20), depending on the load conditions:1.Variable frequency at heavy and medium/light load. A relaxation oscillator (see "Oscillator" section for more details) generates a symmetrical triangular waveform,which MOSFETs' switching is locked to. The frequency of this waveform is related to a current that will be modulated by the feedback circuitry. As a result, the tank circuitdriven by the half-bridge will be stimulated at a frequency dictated by the feedback loopto keep the output voltage regulated, thus exploiting its frequency-dependent transfer characteristics.2. Burst-mode control with no or very light load. When the load falls below a value, the converter will enter a controlled intermittent operation, where a series of a fewswitching cycles at a nearly fixed frequency are spaced out by long idle periods whereboth MOSFETs are in OFF-state. A further load decrease will be translated into longeridle periods and then in a reduction of the average switching frequency. When theconverter is completely unloaded, the average switching frequency can go down evento few hundred Hz, thus minimizing magnetizing current losses as well as all frequency-related losses and making it easier to comply with energy saving recommendations.Figure 20.Multi-mode operation15/3616/367.1 OscillatorThe oscillator is programmed externally by means of a capacitor (CF), connected from pin 3 (CF) to ground, that will be alternately charged and discharged by the current defined with the network connected to pin 4 (RF min ). The pin provides an accurate 2V reference with about 2mA source capability and the higher the current sourced by the pin is, the higher the oscillator frequency will be. The block diagram of Figure 21 shows a simplified internal circuit that explains the operation. The network that loads the RFmin pin generally comprises three branches:1. A resistor RF min connected between the pin and ground that determines the minimum operating frequency;2.A resistor RF max connected between the pin and the collector of the (emitter-grounded) phototransistor that transfers the feedback signal from the secondary side back to the primary side; while in operation, the phototransistor will modulate the current through this branch - hence modulating the oscillator frequency - to perform output voltage regulation; the value of RF max determines the maximum frequency the half-bridge will be operated at when the phototransistor is fully saturated;3.An R-C series circuit (C SS + R SS ) connected between the pin and ground that enables to set up a frequency shift at start-up (see Chapter 7.3: Soft-start ). Note that the contribution of this branch is zero during steady-state operation.The following approximate relationships hold for the minimum and the maximum oscillatorfrequency respectively:f min 13CF RF min------------------------------------------=f max 13CF RF min RF max ||()--------------------------------------------------------------------------=17/36After fixing CF in the hundred pF or in the nF (consistently with the maximum sourcecapability of the RF min pin and trading this off against the total consumption of the device), the value of RF min and RF max will be selected so that the oscillator frequency is able to cover the entire range needed for regulation, from the minimum value f min (at minimum input voltage and maximum load) to the maximum value f max (at maximum input voltage and minimum load):A different selection criterion will be given for RF max in case burst-mode operation at no-load will be used (see "Operation at no load or very light load" section).In Figure 22 the timing relationship between the oscillator waveform and the gate-drive signals, as well as the swinging node of the half-bridge leg (HB) is shown. Note that the low-side gate-drive is turned on while the oscillator's triangle is ramping upand the high-side gate-drive is turned on while the triangle is ramping down. In this way, at start-up, or as the IC resumes switching during burst-mode operation, the low-side MOSFET will be switched on first to charge the bootstrap capacitor. As a result, the bootstrap capacitor will always be charged and ready to supply the high-side floating driver.RF min 13CF f min-----------------------------------=RF max RF minf maxf min----------1–--------------------=7.2 Operation at no load or very light loadWhen the resonant half-bridge is lightly loaded or unloaded at all, its switching frequency willbe at its maximum value. T o keep the output voltage under control in these conditions and toavoid losing soft-switching, there must be some significant residual current flowing throughthe transformer's magnetizing inductance. This current, however, produces someassociated losses that prevent converter's no-load consumption from achieving very lowvalues.To overcome this issue, the L6599 enables the designer to make the converter operateintermittently (burst-mode operation), with a series of a few switching cycles spaced out bylong idle periods where both MOSFETs are in OFF-state, so that the average switchingfrequency can be substantially reduced. As a result, the average value of the residualmagnetizing current and the associated losses will be considerably cut down, thusfacilitating the converter to comply with energy saving recommendations.The device can be operated in burst-mode by using pin 5 (STBY): if the voltage applied tothis pin falls below 1.25V the IC will enter an idle state where both gate-drive outputs arelow, the oscillator is stopped, the soft-start capacitor C SS keeps its charge and only the 2Vreference at RF min pin stays alive to minimize IC's consumption and V CC capacitor'sdischarge. The IC will resume normal operation as the voltage on the pin exceeds 1.25V by50mV.To implement burst-mode operation the voltage applied to the STBY pin needs to be relatedto the feedback loop. Figure23 shows the simplest implementation, suitable with a narrowinput voltage range (e.g. when there is a PFC front-end).18/3619/36Essentially, RF max will define the switching frequency f max above which the L6599 will enter burst-mode operation. Once fixed f max , RF max will be found from the relationship:Note that, unlike the f max considered in the previous section ("Chapter 7.1: Oscillator "), here f max is associated to some load Pout B greater than the minimum one. Pout B will be such that the transformer's peak currents are low enough not to cause audible noise.Resonant converter's switching frequency, however, depends also on the input voltage; hence, in case there is quite a large input voltage range with the circuit of Figure 23 the value of Pout B would change considerably. In this case it is recommended to use thearrangement shown in Figure 24 where the information on the converter's input voltage is added to the voltage applied to the STBY pin. Due to the strongly non-linear relationship between switching frequency and input voltage, it is more practical to find empirically the right amount of correction R A / (R A + R B ) needed to minimize the change of Pout B . Just be careful in choosing the total value R A + R B much greater than R C to minimize the effect on the LINE pin voltage (see Chapter 7.6: Line sensing function ).Whichever circuit is in use, its operation can be described as follows. As the load falls below the value Pout B the frequency will try to exceed the maximum programmed value f max and the voltage on the STBY pin (V STBY ) will go below 1.25V . The IC will then stop with both gate-drive outputs low, so that both MOSFETs of the half-bridge leg are in OFF-state. The voltage V STBY will now increase as a result of the feedback reaction to the energy delivery stop and, as it exceeds 1.3V, the IC will restart switching. After a while, V STBY will go down again in response to the energy burst and stop the IC. In this way the converter will work in a burst-mode fashion with a nearly constant switching frequency. A further load decrease will then cause a frequency reduction, which can go down even to few hundred hertz. The timing diagram of Figure 25 illustrates this kind of operation, showing the most significant signals. A small capacitor (typically in the hundred pF) from the STBY pin to ground, placed as close to the IC as possible to reduce switching noise pick-up, will help get clean operation. To help the designer meet energy saving requirements even in power-factor-correctedsystems, where a PFC pre-regulator precedes the DC-DC converter, the device allows that the PFC pre-regulator can be turned off during burst-mode operation, hence eliminating the no-load consumption of this stage (0.5 ÷ 1W). There is no compliance issue in that because EMC regulations on low-frequency harmonic emissions refer to nominal load, no limit is envisaged when the converter operates with light or no load.To do so, the device provides pin 9 (PFC_STOP): it is an open collector output, normally open, that is asserted low when the IC is idle during burst-mode operation. This signal will be externally used for switching off the PFC controller and the pre-regulator as shown in Figure 26 When the L6599 is in UVLO the pin is kept open, to let the PFC controller start first.RF max 38--RF min f maxf min----------1–--------------------?=。
L6599中文资料
L6599中文资料1，Css软启动：连接一个外部电容到地，和一个电阻到RFmin到第4脚，用以设置最大振荡频率和为频率切换设定时间常数，以及芯片启动（软启动）。
当V cc<UVLO，Line<1.25V or >6V，DIS>1.85V，Isen>1.5V，Delay>3.5V时，一个内部开关会给这个电容放电，使芯片关闭，为下一个软启动作准备。
2，Delay延时：过电流延时关机，一个电容和一个电阻接在1脚与地之间，设置过流条件下的最大持续时间（从IC开始延时到IC关断），每当Isen脚上的电压超过0.8V时，其电容会由内部电流发生器充电（150uA），并由外部电阻缓慢放电，如果此电压超过2V，软启动电容就完全地放电，所以开关频率会推高到最高大值，150uA电流一直连续。
如果此电压超过3.5V，IC会关断，其内部电流发生器了也会关断，从而该点电压下降（因为外部电阻），当该点电压下降到低于0.35V时，IC会重新启动，因此，在短路条件下转换器会工作在间歇状态，输入平均功率非常低。
3，CF，时间电容：一个电容接在此脚与地之间，由内部电流发生器充电或放电，以此确定转换器的开关频率。
4，RFmin,设置最小的振动荡频率：此脚提供一下精确的2V参考电压，一个电阻接在此脚与地之间确定一个电流，此电流用来设定最小振动荡频率。
关闭反馈回路，通过调节振荡频率来调节转换器输出电压，光耦的光电三极管通过串联一个电阻接到此脚，此电阻将设定最大工作频率，一个R-C串联接于此脚与地之间，防止过多的能量涌入。
5，Stby，爆发模式工作门槛：此脚检测反馈控制电压，使之与一个内部参考电压（1.25V）比较，如果此脚电压低于参考电压，IC会进入空闭状态，静态电流会减少。
当此脚电压超过参考电压50mA时，IC会重启动，软启动不调节，如果不启用跳跃模式，应将此脚与RFmin脚联结在一起。
6，Isen，电流检测输入：此脚检测初级电流（通过一个电阻或一个电容无损的检测）。
SF5928S_规格书_v1.1
Confidential SiFirst_规格书_5928S_V1.1
工作温度范围 储存温度范围 ESD 人体模型 ESD 机器模型
推荐工作条件(注释 5)
VDD 工作范围 环境工作温度范围 最高工作开关频率
参数
SF5928S
-40 to 85
oC
-65 to 150
oC
3
kV
250
V
参数范围
Vth_OC
最大峰值电流
TD_OC
电流比较器关断延迟
功率 MOSFET 部分(注释 7)
BVdss
内部功率管 Drain 耐
压
Rdson
内部功率管阻抗
Idss Td(on)
内部功率管关断漏电 流 开通延迟
注释 6 I(Drain)=1A
©SiFirst Technology
-4-
最小 典型 最大 单位
DIP8
2
7
3
6
4
5
GND GND Drain Drain
VDD NC FB CS
1
7
DIP7 2
3
6
4
5
GND
Drain Drain
订购信息
订购型号
SF5928SDP SF5928SEP
IC 打印
SF5928SDP SF5928SEP
DIP8 DIP7
封装
RoHs RoHs
包装编带
最大输出功率 (1) 料号
输出电压 Vo
PFM 模式
PWM+PFM 模式
±5%
恒压模式
恒压CV模式
恒恒流流模C式C模式
自自动动恢重复启保护
cre6559sf规格书
cre6559sf规格书全文共四篇示例，供读者参考第一篇示例：CRE6559SF规格书是一种用于汽车制造和改装的产品规范文档，它包含了该产品的所有技术要求、功能描述、性能参数等详细信息。
本文将对CRE6559SF规格书进行详细的介绍和解读。
一、产品名称CRE6559SF是一款用于汽车电子系统的集成芯片，主要用于车载娱乐、导航、通信等功能。
二、产品参数1. 尺寸：10mm*10mm*1mm2. 工作电压：3.3V3. 工作频率：1GHz4. 接口：SPI、I2C5. 温度范围：-40℃~85℃6. 存储空间：128MB7. 芯片材质：硅8. 包装形式：BGA封装三、主要功能1. 视频解码：支持多种视频格式的解码，包括MPEG4、H.264等。
2. 音频解码：支持多种音频格式的解码，包括MP3、AAC等。
3. 蓝牙通讯：支持蓝牙通讯功能，可与手机、耳机等设备进行无线通讯。
4. GPS导航：支持GPS导航功能，可以实现车辆的定位、导航等功能。
5. USB接口：支持USB接口，可以接入U盘、移动硬盘等外部设备。
6. 触摸屏控制：支持触摸屏控制功能，可以实现手指操作、手势识别等。
四、性能参数1. 工作稳定性：长时间稳定运行，无死机现象。
2. 响应速度：快速响应用户操作，流畅无卡顿。
3. 通信距离：蓝牙通讯距离达到10米。
4. 定位准确性：GPS导航定位准确性小于5米。
5. 视频播放质量：支持1080P高清视频播放。
五、其他特性1. 低功耗设计：低功耗设计，节能环保。
2. 抗干扰能力：具有很强的抗干扰能力，不受外界干扰。
3. 易于集成：设计紧凑，易于集成到汽车电子系统中。
4. 抗震抗震：具有良好的抗震抗震性能，适用于汽车行驶环境。
第二篇示例：CRE6559SF规格书一、产品概述CRE6559SF是一款全新的智能家居设备，旨在提供更便捷、更智能的生活体验。
它采用最先进的人工智能技术和网络连接技术，能够实现智能控制、远程控制和语音控制等功能，为用户带来更加便捷、舒适的居家生活。
Moxa CP-104UL 104JU Series PComm Lite Release Note
Utility for CP-104UL/104JU Series (PComm Lite) Release Notes Supported Operating SystemsNotesChangesApplicable ProductsBugs Fixed• Different versions of PComm Lite 2000 can be installed on the same PC.• Performance Analyzer can store previous configurations of the COM port list.• PComm Terminal users can set history depth in ANSI and VT100 mode.• PComm Terminal could not locate system file ws2_32.dll in Windows 2000 and Windows XP.• In the Send Pattern function, an individual port cannot be stopped but all ports can be stopped simultaneously.EnhancementsWindows 2000, Windows 7, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2,Windows Vista, Windows XPUSB-to-Serial Converters, Multiport Serial Boards, Serial Device Servers• Added byte transmit/receive counter in PComm Terminal.• PComm Terminal supports pasting clipboard content to terminal.New FeaturesN/A• Terminal Emulator: Supports all serial products, including non-Moxa products.• Diagnostic Utility: Supports Moxa Multiport Serial Boards.• Monitor Utility: Supports Moxa Multiport Serial Boards.• Performance Analyzer: Supports Moxa Multiport Serial Boards, UPort Series, and NPort Series.• PComm Library: Supports all serial products, including non-Moxa products.Supported Operating SystemsNotesChangesApplicable ProductsBugs Fixed• ncludes VC project example code for PComm library • Read method using RX_CHAR event.• Supports opening multiple COM ports.• Log files can be stored in a specified path/link.N/AEnhancementsWindows 2000, Windows 7, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2,Windows Vista, Windows XPUSB-to-Serial Converters, Multiport Serial Boards, Serial Device Servers• Supports Windows 2008/2008 R2 (x86/x64).• Supports HEX code display for dumb mode.• Supports linear baud rate configuration.• Supports send pattern for multiple COM ports.• Supports data file pattern.• Supports interval time between sending two patterns.• Supports network communication: TCP Server/Client, UDP.• Supports auto line wrap.• Supports customizing terminal size.• Supports DTR/DSR flow control configuration.• Supports Performance Analyzer.New FeaturesN/A• Terminal Emulator: Supports all serial products, including non-Moxa products.• Diagnostic Utility: Supports Moxa Multiport Serial Boards.• Monitor Utility: Supports Moxa Multiport Serial Boards.• Performance Analyzer: Supports Moxa Multiport Serial Boards, UPort Series, and NPort Series.• PComm Library: Supports all serial products, including non-Moxa products.Supported Operating SystemsNotesChangesApplicable ProductsBugs Fixed• VT100 added "DEL" key support.• Modified all online help to HTML format.• PComm Lite supports up to COM1024.• Updated PComm.dll to fix ASCII tx causing VB program to hang if tx is held by CTS flow control.EnhancementsWindows 2000, Windows 7, Windows Server 2003, Windows Vista, Windows XPUSB-to-Serial Converters, Multiport Serial Boards, Serial Device Servers• Supports Windows Vista/7.New FeaturesN/A• Terminal Emulator: Supports all serial products, including non-Moxa products.• Diagnostic Utility: Supports Moxa Multiport Serial Boards.• Monitor Utility: Supports Moxa Multiport Serial Boards.• Performance Analyzer: Supports Moxa Multiport Serial Boards, UPort Series, and NPort Series.• PComm Library: Supports all serial products, including non-Moxa products.Supported Operating SystemsNotesChangesApplicable ProductsBugs Fixed• PComm Terminal display performance.• PComm Terminal status bar display problem.• PComm Terminal display problem with Moxa UC Series/EtherDevice/W2004 console.EnhancementsWindows 2000, Windows Server 2003, Windows XPUSB-to-Serial Converters, Multiport Serial Boards, Serial Device Servers• Utilities support Moxa MSB x64 driver.• PComm Library supports Windows x64 Edition (AMD64, EM64T). For cross development, x86 & x64library will both be installed.New FeaturesN/A• Terminal Emulator: Supports all serial products, including non-Moxa products.• Diagnostic Utility: Supports Moxa Multiport Serial Boards.• Monitor Utility: Supports Moxa Multiport Serial Boards.• Performance Analyzer: Supports Moxa Multiport Serial Boards, UPort Series, and NPort Series.• PComm Library: Supports all serial products, including non-Moxa products.。
SF1530规格书
Value
35 10 20 -0.3 to 7 250 90 150 150 -40 to 85
Unit
V mA V V o C/W o C/W o C/W o C o C
SF1530
Storage Temperature Range Lead Temperature (Soldering, 10sec.) ESD Capability, HBM (Human Body Model) ESD Capability, MM (Machine Model) -65 to 150 260 3 250 C C kV V
Absolute Maximum Ratings (Note 1)
Parameter
VDD DC Supply Voltage VCC DC Clamp Current GATE pin FB, RT, CS voltage range Package Thermal Resistance (SOT-26) Package Thermal Resistance (DIP-8) Package Thermal Resistance (SOP-8) Maximum Junction Temperature Operating Temperature Range
Test Conditions
Min
13.5 8
Typ
14.5 9 5 2.5 28.5 35 3 5.5
Ordering Information
P30DP
Top Mark
.30YWW SF1530DP SOT26 DIP8
Package
Green RoHS
Tape & Reel
Yes
Marking Information
3680系列精密潜入杆电阻器产品说明书
*RoHS Directive 2002/95/EC Jan 27 2003 including AnnexSpecifications are subject to change without notice.Customers should verify actual device performance in their specific applications.Electrical Characteristics 1Standard Resistance Range .............................................................................10 ohms to 1 megohm Total Resistance Tolerance...........................................................................................................±3 %Dielectric Withstanding Voltage (MIL-STD-202, Method 301)Sea Level..........................................................................................................1,000 VAC minimum Power Rating (Voltage Limited By Power Dissipation or 500 VAC, Whichever is Less)+25 °C ...................................................................................................................................2 watts +85 °C......................................................................................................................................0 watt Insulation Resistance (500 VDC)..................................................................1,000 megohms minimum Resolution3681..........................................................................................................................................10 %3682............................................................................................................................................1 %3683.........................................................................................................................................0.1 %3684.......................................................................................................................................0.01 %3685.....................................................................................................................................0.001 %Absolute Minimum Resistance...............................3 ohms or 0.2 % maximum (whichever is greater)Accuracy (Dial Reading to Output Ratio)....................................................................±1.0 % full scaleEnvironmental Characteristics1Operating Temperature Range ...................................................................................-25 °C to +85 °C Storage Temperature Range.......................................................................................-25 °C to +85 °C Temperature Coefficient Over Storage Temperature Range...........................±100 ppm/°C maximum Vibration.........................................................................................................................................10 G Wiper Bounce...........................................................................................0.1 millisecond maximum Total Resistance Shift..............................................................................................±1 % maximum Voltage Ratio Shift................................................................................................±0.2 % maximum Shock.............................................................................................................................................50 G Wiper Bounce...........................................................................................0.1 millisecond maximum Total Resistance Shift..............................................................................................±1 % maximum Voltage Ratio Shift................................................................................................±0.2 % maximum Load Life...............................................................................................................1,000 hours, 2 watts Total Resistance Shift..............................................................................................±2 % maximum Rotational Life.........................................................................75,000 button operations each decade Total Resistance Shift..............................................................................................±2 % maximum IP Rating........................................................................................................................................IP 40Mechanical Characteristics 1Weight....................................3681 (9 gm); 3682 (16 gm); 3683 (23 gm); 3684 (30 gm); 3685 (37 gm)T erminals.....2.79 mm (0.11 in.) wide x .41 mm (.016 in.) thick, tinned solder lugs for 3 #20 AWG wires Soldering ConditionManual Soldering..........................................................96.5Sn/3.0Ag/0.5Cu solid wire or no-cleanrosin cored wire; 370 °C (700 °F) max. for 3 secondsWave Soldering....................96.5Sn/3.0Ag/0.5Cu solder with no-clean flux; 260 °C (500 °F) max.for 5 secondsWash processes..................................................................................................Not recommended Marking...............................Manufacturer’s name and part number, resistance value and date code.Ganging (Multiple Section Potentiometers)...............................................Up to 5 decades maximum Readout Marking........................................................................................................10 positions, 0-9Actuating Force...................................................................................19 to 29 oz. on detent decades Actuating Force Variation..............................................................................................4 oz. maximum1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.NOTE: Terminals 1 & 3 are reversed from illustration for models 3682 and 3684.3680INCR.Product DimensionsDimensionsWeight (Approx.)Model a b c d e –.381 (–.015)oz.gms.368116.51 (.650)14.99 (.590)—9.91 (.39) 4.19 (.165).3369.5368226.67 (1.05)25.15 (.99)10.67 (.42)11.94 (.47)8.38 (.330).57616.5368337.08 (1.46)35.31 (1.39)18.54 (.73)11.94 (.47) 4.19 (.165).82423.5368447.50 (1.87)45.47 (1.79)30.73 (1.21)11.94 (.47)8.38 (.330) 1.07230.5368557.66 (2.270)55.63 (2.190)39.12 (1.540)11.94 (.47)4.19 (.165)1.32037.5DimensionsModel f –.010 (–.254)g –.010 (–.254)368121.08 (.830)15.75 (.620)368221.08 (.830)25.91 (1.020)368321.08 (.830)36.07 (1.420)368421.08 (.830)46.23 (1.820)368521.08 (.830)56.39 (2.220)*Ro H S C O M P L I A N T V E R S I O N S A V A I L A B L ESpecifications are subject to change without notice.Customers should verify actual device performance in their specific applications.Recommended Part NumbersBOLDFACE LISTINGS ARE IN STOCK AND READILY AVAILABLE THROUGH DISTRIBUTION.FOR OTHER OPTIONS CONSULT FACTORY.RoHS IDENTIFIER:L =COMPLIANTBLANK =NON-COMPLIANTREV. 05/07。
罗克韦尔 ControlLogix 系统 说明书
准备事宜 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 1756-L7x 控制器部件. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
未随 1756-L6x 控制器提供的部件. . . . . . . . . . . . . . . . . . . . . . 33 1756-L6x 控制器安装. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 CF 卡的安装和取出 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 电池的连接与更换 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 将控制器插入机架 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 将控制器从机架拆下 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
安装 1756-L7x 控制器 安装 1756-L6x 控制器
控制器使用入门
IBM磁带产品详细参数
3573L4S（高容量，PN）包括IBM LTO Ultrium 4 LVD Ultra160连接，SCSI磁带驱动器
3573F4S（高容量，PN）包括IBM LTO Ultrium 4的4 Gbps光纤通道磁带驱动器
使用LTO Ultrium 3每个磁带库的容量最高可达38.40TB（压缩）；本机容量达19.20TB
数据传输速率
使用全高型和半高型LTO Ultrium 4技术，本机数据传输速率可达120MBps
使用全高型LTO Ultrium 3技术，本机数据传输速率可达80MBps
使用半高型LTO Ultrium 3技术，本机数据传输速率可达60MBps
操作系统支持
为IBM System p®、IBM System i®、IBM System x、Windows Server 2003、Sun Solaris、HP-UX、Red Hat和United Linux提供本机设备驱动程序支持。
TS3310
3576 L5B型
3576 L5B型和4个E9U型
1-4
磁带盒数量
48
I/O插槽数量
3
物理容量
使用LTO Ultrium 4每个磁带盒最高可达1.60TB（压缩）；本机为800GB
使用LTO Ultrium 3每个磁带盒最高可达800GB（压缩）；本机容量达400GB
使用LTO Ultrium 4每个磁带库的容量最高可达76.80TB（压缩）；本机容量达38.40TB
热插拔组件
电源、磁带驱动器
RAID支持
无
系统管理
罗克韦尔 Compact 5000 I O 数字量模块 说明书
基于 EtherNet/IP 的连接 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 使用 External Means 时连接的其他注意事项 . . . . . . . . . . . . . . . . 57 受限操作 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 安全模块特定注意事项 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 整体系统安全功能 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 单通道或双通道模式 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 与安全控制器结合使用 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 确定符合性 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
英飞拓产品型号
英飞拓产品型号英飞拓产品型号渠道产品，价格优惠，不满意可退货 150********2．1 固定摄像机-PALV5101-A50142 ⼀体化摄像机2．3 因定半球摄像机2．4 V1700A系列快球2．5 V1750A系列充氮快球2．6 V1700S系列内置单模光端机的快球2．7 V1900A系列快球2．8⼀体化云台摄像机2．9恒速球形护罩/云台2．10快球零部件1．模拟监控前端产品2．1 固定摄像机V5101-A2014 V5101-A3014 V5101-A5014 V5101-A2019 V5101-A3019 V5102-A2014 V5102⽇夜型因定摄像机V5102-A3014 V5102-A5014V5102-A3019 V5102-A2019V5103宽动态彩⾊固定摄像机V5103-A3014V1025-1H⾼解析度彩⾊摄像机V1025-1HV1026-1⾼解析度⽇夜转换型摄像机V1026-1V1027-1 1/2英⼨宽动态⾼灵敏度低照度彩⾊摄像机V1027-1V1033-1宽动态⽇夜转换型摄像机V1033-12．2⼀体化摄像机PALV1224⼀体化彩⾊摄像机V1224-22A14V1244⼀体化⽇夜转换摄像机V1244-23A14 V1244-26A14 V5411-A2014ST V5411-A2014SU V5411-A2014SV 2．3固定半球摄像机PALV5411-A2014SW V5411-A2014SX V5411-A2014SYV5411-A2014SZ480线⼿动变焦⾃动光圈镜头V5411-A2014 SBV5411-A2014 SDV5411-A2014SE V5411-A2014SC V5411-A2014SF520线固定焦距镜头V5411-A3014ST V5411-A3014SU V5411-A3014SV V5411-A3014SW V5411-A3014SX V5411-A3014SY V5411-A3014SZ520线⼿动变焦⾃动光圈镜头V5411-A3014SB V5411-A3014SD V5411-A3014SE V5411-A3014SCV5512室内⽇夜型因定半球摄像机V5411-A3014SF V5512-A2014SB V5512-A2014SE520线⼿动变焦⾃动光圈镜头V5512-A3014SB V5512-A3014SEV5413室内宽动态彩⾊固定半球摄像机V5512-A3014SB V5413-A3024SB V5413-A3024SE2．3固定半球摄像机PALV5411-A2014ST V5411-A2014SU V5411-A2014SV V5411-A2014SW V5411-A2014SXV5411-A2014SY480线⼿动变焦⾃动光圈镜头V5411-A2014SZ V5411-A2014SB V5411-A2014SD V5411-A2014SE V5411-A2014SC V5411-A2014SF520线固定焦距镜头V5411-A3014ST V5411-A3014SU V5411-A3014SV V5411-A3014SW V5411-A3014SZ V5411-A3014SY V5411-A3014SX520线⼿动变焦⾃动光圈镜头V5411-A3014SB V5411-A3014SD V5411-A3014SE V5411-A3014SCV5512室内⽇夜型因定半球摄像机V5411-A3014SF V5512-A2014SB520线⼿动变焦⾃动光圈镜头V5512-A2014SE V5512-A3014SB V5512-A3014SB V5512-A3014SEV5413室内宽动态彩⾊固定半球摄像机V5413-A3024SBV1700A系列快球PAL室内吸顶装快球V1725A-C1C2C6 V1726A-C1C2C6 V1727A-C1C2C6 V1728A-C1C2C6 V1724A-C1C2C6 V1729A-C1C2C6 V1723A-C1C2C6室内⽀架装快球V1725A-C1C2B6 V1726A-C1C2B6 V1727A-C1C2B6 V1728A-C1C2B6 V1724A-C1C2B6 V1729A-C1C2B6 V1723A-C1C2B6室外吸顶装快球V1745A-C1C2C6 V1746A-C1C2C6 V1747A-C1C2C6 V1748A-C1C2C6 V1744A-C1C2C6 V1749A-C1C2C6 V1743A-C1C2C6室外⽀架装快球V1745A-C1C2B6 V1746A-C1C2B6 V1747A-C1C2B6 V1748A-C1C2B6 V1744A-C1C2B6 V1749A-C1C2B6 V1743A-C1C2B62．5 V1750A 系列充氮快球-PAL室内充氮吊装快球V1757A-C1C3B6 V1758A-C1C3B6 V1759A-C1C3B6 V1753A-C1C3B6 V1791室内内置单模光端机吸顶装快球V1725S-C1C2C6 V1726S-C1C2C6 V1727S-C1C2C6 V1728S-C1C2C6 V1729S-C1C2C6 V1723S-C1C2C6室内内置单模光端机⽀架装快球V1725S-C1C2B6V1726S-C1C2B6V1727S-C1C2B6 V1728S-C1C2B6 V1729S-C1C2B6 V1723S-C1C2B6室外内置单模光端机吸顶装快球V1745S-C1C2C6 V1746S-C1C2C6 V1747S-C1C2C6 V1748S-C1C2C6 V1743S-C1C2C6 V17243S-C1C2C6室外内置单模光端机⽀架装快球V1745S-C1C2B6 V1746S-C1C2B6 V1747S-C1C2B6 V1748S-C1C2B6 V1749S-C1C2B6 V1724S-C1C2B62．7V1900A系列快球PAL室内吸顶装快球V1901A-C1C2C6 V1902A-C1C2C6 V1903A-C1C2C6 V1904A-C1C2C6 V1906A-C1C2C6室内⽀架装快球V1901A-C1C2B6 V1902A-C1C2B6 V1903A-C1C2B6 V1904A-C1C2B6 V1906A-C1C2B6室外吸顶装快球V1911A-C1C2C6 V1912A-C1C2C6 V1913A-C1C2C6 V1914A-C1C2C6 V1916A-C1C2B6 V1917A-C1C2B6室外⽀架装快球V1911A-C1C2B6 V1912A-C1C2B6 V1913A-C1C2B6 V1914A-C1C2B6 V1916A-C1C2B6 V1917A-C1C2B62．8 ⼀体化云台摄像机V1492-18A15 V1492-23A15 V1492-26A15 V1492-35A15 V1492-36A15 V1492-18A16 V1492-23A16 V1492-26A16 V1492-35A16 V1492-36A16 V1492-18A17 V1492-23A17 V1492-26A17 V1492-35A17 V1492-36A17 V1492-18A18 V1492-23A18 V1492-26A18 V1492-35A18V1492-36A18⼀体化云台⽀架（适⽤于V1492、V1493）V1662-W1 V1662-S1 V1662-C1 V1662-DV1493中型⾼速云台V1493-D16V7A15 V1493-DP16V7A15 V1493-A15 V1493-D16V7A16 V1493-DP16V7A16 V1493-A16 V1493-D16V7A17 V1493-DP16V7A17 V1493-A17 V1493-D16V7A18 V1493-DP16V7A18 V1493-A18V1631隔爆云台摄像机V1631-23A19 V1631-25A19防爆护罩V1421-15SHB6-2V1421-15SHB8-2V1421-15A6-2V1421-15A8-2隔爆云台⽀架V1664-W V1664-C V1664-S V1665-W12．9恒速球形护罩/云台V1682 系列室内/室外恒速球形云台V1682-C2B-9HBPV1682-C2B-9HBP2．10 快球零部件V1761 V1761L V1762 V1763 V1764 V1764A V1764B V1765 V1765A V1766适⽤V1750A系列充氮快球V1761S V1762S V1763S球芯V1700N系列⽹络快球球芯(PAL)(坜另配视频缟码卡)V1825N-C16 V1826N-C16 V1827N-C16 V1828N-C16 V1829N-C16 V1825N-C15 V1826N-C15 V1827N-C15V1828N-C16 V1829N-C16V1700A系列快球球芯(PAL)V1825A-C16 V1826A-C16 V1827A-C16 V1828A-C16 V1829A-C16 V1825N-C15 V1826N-C15 V1827N-C15V1828N-C16 V1829N-C16V1750A系列充氮快球球芯(PAL)V1825AP-C16 V1826AP-C16 V1827AP-C16 V1828AP-C16 V1829AP-C16 V1825AP-C15 V1826AP-C15 V1827AP-C15 V1828AP-C15 V1829AP-C15V1700S系列光端机快球球芯（PAL）V1825AF-C16 V1826 AF-C16 V1827 AF-C16 V1828 AF-C16 V1829 AF-C16 V1825AF-C15 V1826 AF-C15 V1827 AF-C15 V1828 AF-C15 V1829 AF-C15V1900A系列快球球芯（PAL）V1901A-C16 V1902A-C16 V1903A-C16 V1904A-C16 V1905A-C16 球罩快球下罩（不带法兰）V1840-C2 V1840-S2 V1840-C3 V1840-S3室内吸顶装配罩下罩（带法兰）V1840-C2C V1840-S2C V1840-C3C V1840-S3C室内⽀架装配罩下罩（带法兰）V1840-C2B V1840-S2B V1840-C3B V1840-S3B室外⽀架装和吸顶装配罩下罩（带法兰和加热器）V1840-C2O V1840-S2O V1840-C3O V1840-S3O V1840P-C3OV1840P-S3O快球上罩（带法兰）V1850-IC V1850-IB V1850-OC V1850-OB V1850P-OB V1852-IC V1852-IB V1852-OC V1852-OB快球电源板V1860A-C6 V1860N-L6 V1860A-C5 V1860N-L5快球电源V3922-24A-26．键盘及辅助设备6．1 键盘V2100 V2109X V2111X V2110 V2115 V2116X7．3 V2020系列中型矩阵切换/控制器V2020AX-16X4 V2020AX-16X8 V2020AX-16X12 -16X16 V2020AX-16X20 V2020AX-16X24 V2020AX-16X28V2020AX-16X32 V2020AX-32X4 V2020AX-32X8 V2020AX-32X12 V2020AX-32X16 V2020AX-32X20 V2020AX-32X24 V2020AX-32X28 V2020AX-32X32 V2020AX-48X4 V2020AX-48X8V2020AX-48X12 V2020AX-48X16 V2020AX-48X20 V2020AX-48X24 V2020AX-48X28 V2020AX-48X32 V2020AX-64X4 V2020AX-64X8 V2020AX-64X12 V2020AX-64X16 V2020AX-64X20 V2020AX-64X24 V2020AX-64X28 V2020AX-64X32 V2020AX-80X4 V2020AX-80X8 V2020AX-80X12 V2020AX-80X16 V2020AX-80X20 V2020AX-80X24V2020AX-80X28 V2020AX-80X32 V2020AX-96X4 V2020AX-96X8 V2020AX-96X12 V2020AX-96X16 V2020AX-96X20 V2020AX-96X24 V2020AX-96X28 V2020AX-96X32V2020AX-112X4 V2020AX-112X8 V2020AX-112X12 V2020AX-112X16 V2020AX-112X20 V2020AX-112X24V2020AX-112X28 V2020AX-112X32 V2020AX-128X4 V2020AX-128X8 V2020AX-128X12 V2020AX-128X16V2020AX-128X20 V2020AX-128X24 V2020AX-128X28 V2020AX-128X32 V2020AX-144X4 V2020AX-144X8V2020AX-144X12 V2020AX-144X16 V2020AX-144X20 V2020AX-144X24 V2020AX-144X28 V2020AX-144X32V2020AX-160X4 V2020AX-160X8 V2020AX-160X12 V2020AX-160X16 V2020AX-160X20 V2020AX-160X24V2020AX-160X28 V2020AX-160X32 V2020AX-176X4 V2020AX-176X8 V2020AX-176X12 V2020AX-176X16V2020AX-176X20 V2020AX-176X24 V2020AX-176X28 V2020AX-176X32 V2020AX-192X4 V2020AX-192X8V2020AX-192X12 V2020AX-192X16 V2020AX-192X20 V2020AX-192X24 V2020AX-192X28 V2020AX-192X32 V2020AX-208X4 V2020AX-208X8 V2020AX-208X12 V2020AX-208X16 V2020AX-208X20 V2020AX-208X24V2020AX-208X28 V2020AX-208X32 V2020AX-224X4 V2020AX-224X8 V2020AX-224X12 V2020AX-224X16V2020AX-224X20 V2020AX-224X24 V2020AX-224X28 V2020AX-224X32 V2020AX-240X4 V2020AX-240X8 V2020AX-240X12 V2020AX-240X16 V2020AX-240X20 V2020AX-240X24 V2020AX-240X28 V2020AX-240X32V2040AX-16X4 V2040AX-16X8 V2040AX-16X12 V2040AX-16X16 V2040AX-16X20 V2040AX-16X24V2040AX-16X28 V2040AX-16X32 V2040AX-32X4 V2040AX-32X8 V2040AX-32X12 V2040AX-32X16V2040AX-32X20 V2040AX-32X24 V2040AX-32X28 V2040AX-32X32 V2040AX-48X4 V2040AX-48X8V2040AX-48X12 V2040AX-48X16 V2040AX-48X20 V2040AX-48X24 V2040AX-48X28 V2040AX-48X32V2040AX-64X4 V2040AX-64X8 V2040AX-64X12 V2040AX-64X16 V2040AX-64X20 V2040AX-64X24 V2040AX-64X28 V2040AX-64X32 V2040AX-80X4 V2040AX-80X8 V2040AX-80X12 V2040AX-80X16 V2040AX-80X20V2040AX-80X24 V2040AX-80X28 V2040AX-80X32V2040AX-96X4 V2040AX-96X8 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V2040AX-224X32 V2040AX-240X4 V2040AX-240X8V2040AX-240X12 V2040AX-240X16 V2040AX-240X20 V2040AX-240X24 V2040AX-240X28 V2040AX-240X32V2040AX-256X4V2040AX-256X8 V2040AX-256X12 V2040AX-256X16 V2040AX-256X20 V2040AX-256X24V2040AX-256X28 V2040AX-256X32A2011X-16X5 A2011X-32X5 A2020X-16X4 A2020X-16X8 A2020X-16X12 A2020X-16X16 A2020X-16X20 A2020X-16X24 A2020X-16X28 A2020X-16X32 A2020X-32X4 A2020X-32X8 A2020X-32X12 A2020X-32X16 A2020X-32X20 A2020X-32X24 A2020X-32X28A2020X-32X32 A2020X-48X4 A2020X-48X8 A2020X-48X12 A2020X-48X16 A2020X-48X20A2020X-48X24 A2020X-48X28 A2020X-48X32 A2020X-64X4 A2020X-64X8 A2020X-64X12A2020X-64X16 A2020X-64X20 A2020X-64X24 A2020X-64X28 A2020X-64X32 A2020X-80X4A2020X-80X8 A2020X-80X12 A2020X-80X16 A2020X-80X20 A2020X-80X24 A2020X-80X28A2020X-80X32 A2020X-96X4 A2020X-96X8 A2020X-96X12 A2020X-96X16 A2020X-96X20 A2020X-96X24 A2020X-96X28 A2020X-96X32 A2020X-112X4A2020X-112X8 A2020X-112X12 A2020X-112X16 A2020X-112X20 A2020X-112X24A2020X-112X28 A2020X-112X32 A2020X-128X4 A2020X-128X8 A2020X-128X12 A2020X-128X16 A2020X-128X20 A2020X-128X24 A2020X-128X28 A2020X-128X32A2020X-144X4 A2020X-144X8 A2020X-144X12 A2020X-144X16 A2020X-144X20 A2020X-144X24 A2020X-144X28 A2020X-144X32 A2020X-160X4 A2020X-160X8 A2020X-160X12 A2020X-160X16 A2020X-160X20 A2020X-160X24 A2020X-160X28A2020X-160X32 A2020X-176X4 A2020X-176X8 A2020X-176X12 A2020X-176X16 A2020X-176X20A2020X-176X24 A2020X-176X28 A2020X-176X32 A2020X-192X4 A2020X-192X8 A2020X-192X12 A2020X-192X16 A2020X-192X20 A2020X-192X24 A2020X-192X28 A2020X-192X32 A2020X-208X4 A2020X-208X8。
L6599D 设计指导
目录引言一、LLC谐振变换器原理 (2)二、LLC谐振腔之元件设计 (3)三、L6598\L6599芯片资料...................................................................错误！未定义书签。
1、L6599 芯片介绍...............................................................................................错误！未定义书签。
2、芯片与典型方框图 (5)3、PIN脚功能 (5)4、典型电源系统图 (6)5、振荡器 (7)6、工作在轻载或无载时 (8)四、 L6599的工作流程1、L6599供电回路 (8)2、L6599的启动 (9)3、L6599稳压原理 (10)4、L6599的SCP保护及次级OCP保护 (11)附：过流延时保护电路 (12)引言随着开关电源的发展，软开关技术得到了广泛的发展和应用，已研究出了不少高效率的电路拓扑，主要为谐振型的软开关拓扑和PWM型的软开关拓扑。
近几年来，随着半导体器件制造技术的发展，开关管的导通电阻，寄生电容和反向恢复时间越来越小了，这为谐振变换器的发展提供了又一次机遇。
对于谐振变换器来说，如果设计得当，能实现软开关变换，从而使得开关电源具有较高的效率。
LLC谐振变换器实际上来源于不对称半桥电路，后者用调宽型(PWM)控制，而LLC谐振是调频型（PFM）。
一、LLC谐振变换器原理图一、LLC谐振原理图图二、LLC谐振波形图图一和图二分别给出了LLC 谐振变换器的电路图和工作波形。
图一中包括两个功率MOSFET （S1和S2），其占空比都为0.5；谐振电容Cs，副边匝数相等的中心抽头变压器Tr，Tr 的漏感Ls，激磁电感Lm，Lm 在某个时间段也是一个谐振电感，因此，在LLC 谐振变换器中的谐振元件主要由以上3个谐振元件构成，即谐振电容Cs，电感Ls 和激磁电感Lm；半桥全波整流二极管D1和D2，输出电容Cf。
Mellanox MMS1V00-WM QSFP-DD 400GbE 单模传输器说明书
©2020 Mellanox Technologies. All rights reserved.†For illustration only. Actual products may vary.Mellanox ®MMS1V00-WM transceiver is a single-mode, 4-channel (DR4), QSFP-DD optical transceiver designed for 400 Gigabit Ethernet (GbE) links on up to 500m of single mode fiber.MMS1V00-WM converts 8 input channels of 50Gb/s PAM4 electrical data to 4 channels of 100Gb/s PAM4 optical signals, using a nominal wavelength of 1310nm, for 400Gb/s optical transmission.The transceiver has a standard QSFP-DD connector on the electrical side towards the host system. The optical interface is composed of four optical channels/fibers in each direction, intended for a parallel single mode optical cable via a standard MPO connector.Rigorous production testing ensures the best out-of-the-box installation experience, performance and durability.MMS1V00-WM400GbE QSFP-DD DR4 1310nm Optical TransceiverINTERCONNECT PRODUCT BRIEF†Table 1 - Absolute Maximum RatingsTable 2 - Recommended Operating Conditions and Power Supply Requirements350 Oakmead Parkway, Suite 100, Sunnyvale, CA 94085Tel: 408-970-3400 • Fax: © Copyright 2020. Mellanox Technologies. All rights reserved.Mellanox, Mellanox logo and LinkX are registered trademarks of Mellanox Technologies, Ltd. All other trademarks are property of their respective owners.Mellanox 400GbE QSFP-DD DR4 Optical T ransceiverpage 2Warranty InformationMellanox LinkX transceivers include a 1-year limited hardware warranty, which covers parts repair or replacement.60412PB Rev 1.0Table 3 - Part Number and DescriptionMechanical Schematics。
L6599中文资料及产品方案……
一ST公司针对日益广泛使用的LCD-TV电源推出了新一代的HB-LLC控制IC-L6599，它从L6598改进而来，从而性能更优秀,使用更便捷。
下面介绍IC特色及主要应用。
L6599是一个双端输出的控制器。
它专为谐振半桥拓朴设计,提供两个50％的互补的占空比.高边开关和低边开关输出相位差180°，输出电压的调节用调制工作频率来得到。
两个开关的开启关断之间有一个固定的死区时间，以确保软开关及高频下可靠工作。
为使高边驱动采用高压电平位移的结构具有600V耐压，用高压MOSFET取代了外部快速二极管，IC设置的工作频率范围由外部元件调节。
起动时为防止失控的冲击电流，开关频率从设置的最大值开始逐渐衰减直到由控制环路给出的稳定状态,这个频率的移动不是线性的，用来减小输出电压的过冲,做到更好的调节。
在轻载时，IC可以强制进入到控制为猝发模式工作，用以保持空载时的最低功耗。
IC的功能包括非锁定低边禁止输入以实现OCP，具有频率移动及延迟关断,然后再自动重新起动.更高水平的OCP在第一保护电平不足时可锁住IC以控制初级电流。
它结合了完整的应对过载及短路的保护，此外锁住禁止输入(DIS）可以很容易地改善OTP及OVP.与PFC的接口处提供了PFC预调整器在故障时的使能端子,这些故障包括OCP，在猝发模式时令DIS为高电平。
L6599的内部方框电路如图1所示。
图1 L6599 HB-LLC控制IC的内部等效电路L6599的16PIN功能如下：1 PIN CSS 软起动。
此端接一外部电容到GND，接一电阻到RF端（4PIN)，它设置了最高振荡频率及频率移动到恒定的时间，IC加一个内部开关可以在芯片每次关闭时将此电容放电（Vcc<UVLO，LINE〈1.25等），以确保下次正常软起动。
此时，ISEN端上的电压超过0.8V，然后长期保留在0。
75V以上.8 PIN DELAY 过流的延迟关断。
从此端接一电容及电阻到GND，设置IC关断前的过流最大时间以及IC重起动之后的延迟，每个时段ISEN端电压超过0.8V时，电容就由内部150ua 电流源发生器来缓慢放电。
SFL710_规格书
SFL710特点◆ 专利“super -PFC/Buck TM”控制，实现PF>0.9 ◆ 准谐振控制，效率高达93%◆ 内置闭环恒流算法，支持QR 和DCM 模式 ◆ 内置1.5% 精度的闭环恒流参考基准◆◆◆◆◆◆◆◆◆◆◆◆◆◆概述SFL710是针对Buck 架构优化的高PF 值、高精度LED 恒流控制器，适用于非隔离LED 照明领域。
该芯片采用赛威科技专利的“super -PFC/Buck TM”控制架构，能够实现高达93%的转换效率、高于0.9的功率super -PFC/Buck TM (带PFC 的降压恒流) LED 驱动控制器管脚封装芯片内部模块图推荐工作条件(注释4)电气参数o不完全保证满足个别性能指标。
电气参数定义了器件在工作范围内并且在保证特定性能指标的测试条件下的直流和交流电参数规范。
对于未给定上下限值的参数，该规范不予保证其精度，但其典型值合理反映了器件性能。
注释4.芯片不能保证在此范围外能够正常工作。
注释5.这些参数设计保证，但不是100%经过测试。
典型参数特性应用信息SFL710是针对Buck 架构优化的高恒流精度、高PF 值、LED 恒流控制器，适用于非隔离LED 照明领域。
芯片工作在临界导通QR 模式(Quasi Resonance ，QR)，并且内置赛威科技专利的“super -PFC/BuckTM”控制架构，能够实现高达93%的转换效率、高于0.94%的恒流精度。
芯片具有良好的EMI 保护功能，使得它非常适用于LED◆ 启动SFL710快的启动速度，当VDD 电压升高到型值23.3V ），内部欠压保护电路清零，动内部电路完成初始化后，将COMP 电流迅速充电至 1.45V ，之后芯片开启过环路来控制输出恒流。
COMP 初始化到1.45V 可以显著减短LED （如图1出电流过冲，若遇到此情况，将COMP 阻设定COMP 初始值即可解决。
SFL710拥有高达14.3V 的UVLO 窗口，使得系统应用中VDD 可以选择较小的电容而节约成本；较小的启动电阻会降低系统损耗提升效率，而启动时间会相应加快，用户需要选择合适的启动电阻，对损耗和启动时间进行折中处理。
杰弗逊 PX655 温度传感器说明书
B-223高精度、低压实验室变送器规格激励：12 ~ 36 Vdc输出：4 ~ 20 mA （双线）线度：0.3% FS (BFSL)滞后性：满量程的0.02%重复性：满量程的0.05%工作温度：-29 ~ 72°C (-20 ~ 160°F)补偿温度：2 ~ 57°C (35 ~ 135°F)热效应：归零：满量程的0.015% /°F 跨距校正：读数的0.015% /°F 耐受压力：15 psi 破裂压力：20 psi 静态压力：25 psi 量规类型：电容最大环路电阻：（电源电压 – 12) x 50 Ω校准报告：提供在满量程的25%、 50%、75%及100%时的NIST 校准值； 提供放大与缩小功能响应时间：250毫秒接液部件：仅限洁净、干燥、无腐蚀性的气体外壳：NEMA 2 (IP62)外形尺寸：107（高）x 117（宽）x 53 mm （厚） (4.2 x 4.6 x 2.1")压力端口：1⁄4倒钩接头 （管路TY-316-100）电气连接：螺钉式接线端 重量：368 g (13 oz)理想应用 场所：U 洁净室U HVAC U 通风柜U 实验室监控0-0.1至0-50 inH 2O 0-25 Pa 至0-1.25 kPaPX655-0.5BDI ， 带DP3002-E 仪表，图片所示小于实际尺寸。
订购示例：PX655-01DI ，量程为0 ~ 1 inH 2O 的压力传感器，带4 ~ 20 mA 输出压力变送器。
PX655-01BDI ， 差压量程为±1 inH 2O ，带4 ~ 20 mA 输出（0设置在12 mA ）。
标配PX655系列。
cre6559sf规格书
对不起，无法提供Cre6559SF的具体规格书，因为这可能涉及到具体的硬件规格和配置，而这些信息通常是由制造商保密的。
不过，我可以提供一些Cre6559SF可能具有的一般规格和特性。
Cre6559SF可能是一款基于ARM架构的处理器，具有高性能、低功耗的特点。
它可能具有多种内存接口，支持多种存储设备，并且可能具有强大的图形处理单元，适用于各种需要高性能计算和图形处理的应用场景。
此外，Cre6559SF可能具有丰富的I/O接口，包括USB、HDMI、PCIe等，可以支持多种外部设备，如存储设备、显示器、网络接口等。
它可能还具有强大的通信能力，支持多种通信协议，如TCP/IP、UDP、HTTP等，可以满足各种网络通信需求。
在软件方面，Cre6559SF可能预装了基于Linux的操作系统，具有强大的开源软件生态系统，可以支持多种开发语言和工具，如C、C++、Python等，方便开发者进行软件开发和调试。
Cre6559SF还可能具有多种安全特性，如硬件级加密引擎、安全启动等，可以保护数据和系统的安全。
此外，它可能还具有多种调试和诊断工具，方便开发者进行软件调试和问题排查。
需要注意的是，这只是一种可能的规格和特性描述，实际的规格和特性可能会因制造商、版本等因素而有所不同。
为了获取Cre6559SF的确切规格和特性，建议参考制造商的官方文档或联系制造商获取更详细的信息。
希望这些信息对您有所帮助！。
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SFL659
特点
◆ 四分段开关调光（100%、50%、25%、12.5%调
光比）
◆ 内置650V 功率MOSFET
◆ 专利的“NC-Aux/PSR TM
”技术，省去供电绕
◆◆◆◆◆◆◆◆◆◆◆◆
◆概述
SFL659是超低成本、高精度、原边反馈LED 恒流功率开关，支持四分段开关调光（100%、50%、25%、12.5%调光比），适用于LED 照明领域。
SFL659采
用专利的“NC-Aux/PSR TM
”控制技术，可以省去供
四分段开关调光、NC-Aux/PSR TM LED 恒流功率开关
管脚封装
芯片内部模块图
电气参数
o
应用信息
SFL659是一个超低成本、无辅助绕组的工作于断续模式(DCM, Discontinuous Conduction Mode)、原边反馈(PSR, Primary Side Regulation)的功率开关，支持四分段开关调光（100%、50%、25%、12.5%调光比），芯片工作在脉冲频率调制PFM(PFM ， Pulse Frequency Modulation)模式。
芯片集成的高精度恒流(CC, Constant Current)控制功能，以及诸
◆
在公式2中， Np 和 Ns 分别为变压器初级和次级的
匝数。
结合公式1和公式2，输出平均电流可以表示为：
dem S S
P pk o T f N N I I ××××=
21
(公式.3)
恒流(CC, Constant Current) 控制原理
从公式.3可以看出，有两种实现恒流的方法：一种是脉冲频率调制PFM ，这种控制方式是使原边电感电流的峰值保持恒定，同时让每个周期的消磁脉宽Tdem 与开关频率fs 的乘积为定值，也就是让消磁脉宽Tdem 与开关周期Ts 的比例保定值，这样就可以实现输出电流为定值，而且与线输入电压和变压开路发生时，输出电压会冲高，当检测的消磁时间小于设定的输出过压消磁时间时，触发输出过压OVP 保护，芯片进入自动重启保护模式。
当RI 脚悬空时，输出过压消磁时间典型值为5.5us ；当RI 短路到地时，输出过压消磁时间典型值为6.6us 。
为了防止在上电过程中因检测不到消磁而造成无法
正常开机，芯片设计有最大关断时间保证LED电源能够正常快速起机。
当RI脚悬空时，最大关断时间典型值为270us；当RI 短路到地时，最大关断时间典型值为325us。
◆极低芯片工作电流
SFL659的工作电流非常低，芯片内部功耗典型值为170uA。
极低的芯片工作电流提高了系统转换效率，同时降低了VDD电容的要求。
◆PFM 控制改善EMI性能
如上所述，SFL659 采用PFM控制。
PFM控制可以改善系统EMI性能，因为PFM属于变频控制，内置有频谱扩展功能。
◆前沿消隐
每次功率MOSFET开通时，电流检测电阻上会出现电流尖峰。
为了避免这种电流尖峰造成芯片误关断，芯片内置有前沿消隐(LEB，leading edge blanking)电路。
前沿消隐时间典型为550ns，在前沿消隐时间内，芯片内部的逐周期电流限制的比较器不会被误触发造成关断。
◆最小关断时间
SFL659集成了最小关断时间(OFF time)控制，典型为2us。
最小关断时间可以防止了功率开关关断初期的毛刺电压对芯片正常工作的干扰，尤其是当变压器漏感感量较大和输出电压较低时。
◆管脚浮空保护
在SFL659中，如果管脚浮空现象发生，芯片设计为进入保护模式，不会导致系统损坏。
◆自动重启保护
当某个保护被触发后，保护被锁存，同时芯片开关动作终止，并且通过芯片内部对VDD电容进行放电，使VDD掉电重启，启动结束后，芯片开始动作，并确认保护是否解除，如果保护未解除，芯片又进入保护锁存状态，并重复掉电重启，直至保护被解除。
◆智能热响应
在SFL659中内置智能热响应功能，当芯片过热时，芯片内部会逐渐增大关断时间，由于工作频率下降而降低输出功率和系统损耗，进而降低芯片温度，可以有效避免过温对芯片造成的损坏。
◆内部功率MOSFET的软驱动
SFL659 内置了一个软驱动级，软驱动方式改善了系统的EMI性能，实现了效率、可靠性和EMI的平衡。
封装信息
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