SY7063 同步整流升压芯片
100V 同步整流芯片ZCC6709C
快速关断智能型整流器概述ZCC6709C是一个模拟低压降二极管集成电路，内置一个MOS开关管，取代在高效率反激电压转换器中的肖特基二极管。
该芯片将外部同步整流器(SR) MOSFET 的正向压降控制在40mV左右，当电压为负时立即将其关闭。
在低输出电压电池充电或高边整流的应用中ZCC6709C可以为自己产生供电电压。
可编程的振铃检测电路，防止ZCC6709C在DCM和准谐振工作期间的错误开启。
特点●可低至0V的宽输出电压范围工作●无辅助线圈低输出整流下自供电工作。
●逻辑电平SR MOSFETS方式工作。
●符合能源之星1W待机的要求。
●快速关闭和打开延迟时间。
●静态电流。
●支持DCM, Quasi-Resonant 和CCM 工作方式。
●支持高边和底边整流。
●典型笔记本适配器中电能节约达1.5W。
●SOP8封装应用● 工业电力系统。
●分散电力系统。
●电池电力系统。
●反激式电源变换器。
快速关断智能型整流器典型应用封装形式极限值VDD to VSS ........................................................................... –0.3V to +14V VD to Vss .................................................................. .... ..... –1V to + 80V HVC to VSS ................................................................... .... ..–1V to + 80V SLEW to VSS ..................................................................... –0.3V to +6.5V 连续功率损耗(TA = +25°C)结温................................. ....... ........................ 150°C引脚温度(焊接) ............................................... 260°C快速关断智能型整流器存储温度 ........................................................ –55°C to +150°C推荐工作条件VDD to VSS ........................................................................ 3.6 to 13V最大节点温度(TJ) .................................. ........................... +125°C热阻SOP8 ....................................................... ........ ......................... 165 °C /W电特性VDD=5V. TJ=-40°C~125°C, 条件温度：25°C,（除非特殊说明）.参数符号条件Min Typ Max Units 电源管理部分VDD UVLO 开启 4 V VDD UVLO 回差0.1 0.2 0.35 VVDD 最大充电电流IVDD VDD=7V,HVC=40V 60mA VDD=4V, VD=30V 30VDD 稳压HVC=3V, VD=12V 5.2 V工作电流ICC VDD=5V,CLOAD=2.2nF,FSW=100kHz1.72 mA静态电流Iq(VDD) VDD=5V 100 130 uA 关机电流ISD(VDD) VDD=UVLO-0.05V 100 uA 控制电流部分VSS–VD 正向稳压值Vfwd 40 mV 打开门限(VDS) VLL-DS -86 mV 关闭门限(VSS-VD) 0 mV 打开延时TDon CLOAD = 2.2nF 30 ns 关闭延时TDoff CLOAD = 2.2nF 30 ns 打开消隐时间TB-ON CLOAD = 2.2nF 1.97 us 关闭消隐VDS 门限VB-OFF 2 3 V 打开上升检测时间Rslew=100kohm,Vds from 2.5V stepdown.60 ns 内置MOS管参数漏源击穿电压BV DSS V GS=0V，I D=250uA 80 V 栅极开启电压Vth（GS）I D=250uA， 1.8 V快速关断智能型整流器V DS=V GS栅极漏电流I GSS V GS=±20V，V DS=0V±100 nA 漏源饱和漏电流I DSS V DS=60V，V GS=0V 1.0 uA 漏源导通电阻R DS（ON）I D=6A，V GS=4.5V 17 mΩ漏源寄生二极管正向导通压降V SD Is=8.5A，V GS=0V1.4 V管脚功能脚# 名称功能1 VDD 线性稳压源输出，电源ZCC6709C2 SLEW 用于打开时信号变化速率检测的设定，为防止SR控制器在DCM或QR模式下，由于VD端低于门限的振铃错误地打开，任何慢于设定速率的信号都不能打开开关管。
矽力杰产品选型_恒佳兴电子专业电源IC
Single output step down (Buck) Converter Vin max < 7VSY8018A 2.5 5.5 0.45 / 0.6 ±2% 1.5 400/200 √Ultra Low Quiescent Current DFN2x2-8 SY8030L 2.5 5.5 0.6 2.25 0.6 ±1.5% 50 300/200 DFN2x2-6 SY8078B 1.85 5.5 0.6 3 0.4 ±2% 40 350/250 DFN1.45x1-6 SY8010 2.5 5.5 1 1.5 0.6 ±1.5% 50 200/150 DFN2x2-6 SY8011A 2.5 5.5 1 1.5 0.6 ±2% 40 230/150 DFN1.5x1.5-6 SY8061A 2.5 5.5 1 1.5 0.6 ±2% 60 260/170 Auto Discharge DFN2x2-6 SY8065L 2.5 5.5 1 1.5 0.6 ±2% 90 250/200 √SOT 23-6 SY8071 2.5 5.5 1 2 0.6 ±2% 40 260/170 SOT 23-5 SY8075 2.5 6.5 1 1.5 0.6 ±2% 40 260/170 DFN2x2-6 SY8077 2.5 6.5 1 1.5 0.6 ±2% 40 260/170 SOT 23-5 SY8080 2.5 5.5 1 3 0.6 ±2% 40 270/160 SOT 23-5SY8081 2.5 5.51 2.5 0.6 ±2%40230/150 Output auto discharge DFN1.5×1.5-6SY8011B 2.5 5.5 1.5 1.5 0.6 ±2%60210/130 DFN1.5x1.5-6SY8030 2.5 5.5 1.5 2.25 0.6 ±1.5%50200/150 Ext Mode DFN2x2-6 SY8002B 2.7 5.5 1.5 1 0.6 ±2% / 110/80 √Latch off protection SOT 23-6SY8002E 2.7 5.5 2 1 0.6 ±2% / 110/80 √Force PWM SOT 23-6SY8003L 2.7 5.5 2 1 0.6 ±2% 55 120/90 √DFN2x2-8Single output step down (Buck) Converter Vin max < 7V±2%SY8089 SOT 23-52.7 5.5 2 1 0.6 55 110/80 Latch off protectionSY8003C1 2.7 5.5 3 3 0.6 ±2% 55 110/80 √DFN2x2-8SY8823 2.5 5.5 3.5 2 0.6 ±1.5% 18 55/35 √QFN2x1.5-8SY8047 2.5 5.54 1.25 0.6 ±1.5%1875/55√QFN3x3-16SY8856 2.7 5.54 3 0.6 ±1.5%6035/15 √√DFN2x2-8√±1.5%SY8003F 2.7 5.5 3 1 0.6 / 110/80 DFN2x2-8 SY8079P 2.7 6.5 0.6 ±2% 55 125/95 Non latch off OVP SOT 23-6SY8032 2.7 5.5 2.5 0.6 ±2% 80 100/80 SOT 23-6SY8032E 2.7 5.5 2.5 0.6 ±2% 100/80 Force CCM SOT 23-6SY8003 2.7 5.5 0.6 ±2% 55 110/80 Latch SCP/OVP DFN2x2-8SY8003A 2.7 5.5 0.6 ±2% 55 110/80 Non-latch off protection DFN2x2-8SY8003C 2.7 5.5 0.6 ±2% 55 100/80 DFN2x2-8 SY8003E 2.7 5.5 0.6 ±2% 110/80 Force CCM DFN2x2-8 SY8043A 2.7 5.5 1.25 0.6 ±2% 18 75/55 DFN3x3-16 SY8047L 2.5 5.5 1.25 0.6 ±2% 18 75/55 QFN3x3-16 SY8859 2.7 5.5 0.6 ±1% 40 100/50 OVP/OCP/SCP/UVLO/OTP QFN1.5x1.5-7Single output step down (Buck) Converter Vin max < 7VPart Number Vin (min)(V)Vin (max)(V)Iout (max) (A) Fsw (MHz)Vout (min)( V)VoltageAcurracySY8824B 2.6 5.5 4 1.8 / ±1% SY8824C 2.6 5.5 4 1.8 / ±1% SY8035 2.7 5.5 5 1 0.6 ±1.5% SY8805A 3 5.5 5 1 0.6 ±1.5% SY8825 2.5 5.5 5 2 0.6 ±1.5% SY8876 2.7 6.5 6 1.2 0.6 ±1.5% SY8827K 2.5 5.5 6 2.4 ±1.5% SY8868 2.7 5.56 10.6 ±1% SY8099 2.7 5.5 6 1 0.6 ±1% SY8812 2.75 5.5 12 1 ±1%80 70/40Programmable Output Voltage: 0.7625Vto 1.55V in 12.5mV/step; Default 1.15Voutput voltage8015010018606550408070/4050/4035/1555/3538/1528/1735/1530/1212/6PackageTSOT 23-8Programmable Output Voltage: 0.7625Vto 1.55V in 12.5mV steps; Default 1.05Voutput voltageTSOT 23-8EXT SS DFN3x3-10DFN2x2-8QFN2x1.5-8OCP/UVLO/OTP DFN2x2-8I2C Programmable Vout: 0.7125V~ 1.5V CSP1.56x1.96-20in 12.5mV steps, Addr: 1000001xCOT mode,max dutyHigh efficiencyP rogrammable Output Voltage: 0.6V to1.5V in 10mV stepsQFN2x2-10TSOT 23-6QFN3x3-12Dual output step down (Buck) Converter Vin max < 7VPart Number Vin(min)(V)Vin(max)(V)Iout(max)(A)Fsw (MHz) Vout (min)(V)VoltageAcurracyQuiescentCurrent(uA)MO SFET Ron H/L (m? ) Power GoodOutputFeature/ Special Function PackageSY8020 2.5 5.5 1A x2 1.5 0.6 ±2% 50 200/150 Individual EN DFN3x3-12 SY8831 2.5 5.5 1A x2 1.5 0.6 ±2% 45/55 260/180 Individual EN TSOT 23-8 SY8832 2.5 5.5 2A x2 2 0.6 ±2% 35/45 125/100 Individual EN TSOT 23-8 SY8024 3 5.5 3A x2 1 0.6 ±2% 80 105/85 Individual EN DFN3x3-12 SY8821 2.5 5.5 1A/1.5A 2 0.6 ±2% 45 125/100 Individual EN DFN2x1.5-8Single output step down (Buck) Converter, Vin max > 7VuiescentOriginal Part Number Vin(min)(V)Vin(max)(V)Iout(max)(A)Fsw (MHz) Vout( imn)(V)Fixed O utputVoltage(V)VoltageAcurracyCurrent (uA)MOSFET(RonH/L) (m ? )Power oGodOutputFeature/ Special Function PackageSY8290 5 40 0.3 2 0.6 ±2.0% 160 2000/- SOT 23-6 SY8200 6 24 0.6 0.5 0.6 ±2% 400 420/200 SOT 23-6 SY8401 4.5 50 0.8 1.2 0.6 ±1.0% 150 700/- SOT 23-6SY8201 4.527 1 0.5 0.6 ±2%400350/150 SOT 23-6SY8201C 4.527 1 1.15 0.6 ±2%400350/150 Force CCM SOT 23-6SY85017 100 1 0.2~1MHz 1.2 ±2.0%400500/240 Programmable Switching Frequency SO8ESY8291 5 40 1.2 0.8 0.6 ±2.0% 160 180/- SOT 23-6 SY8502 7 100 1.8 0.2~1MHz 1.2 ±2.0% 400 500/240 Programmable Switching Frequency SO8ESingle output step down (Buck) Converter, Vin max > 7VVin(min) Vin(max) Iout(max) Fsw Vout(min) Voltage Quiescent MO SFET(Ron Power GoodPart Number(V) (V) Iout((m A)ax)(MHz) (V) Acurracy Current (uA) H/L) (m ? ) O utputFeature/ Special Function PackageSY8121 4.5 18 2 1 0.6 ±2% 400 170/160 SOT 23-6/ DFN2x2-6 SY8121B 4.35 18 2 1.2 0.6 ±2% 170/160 1.2MHz, FCCM SOT 23-6SY8120B1 4.5 18 2 0.5 0.6 ±2% 400 130/120 SOT 23-6SY8121C 4.5 18 2 1.2 0.6 ±2% 400 130/120 SOT 23-6SY8222 4.5 23 2 0.5 0.6 ±1.5% 400 150/110 √EXT SS, Hic-cup SCP DFN3x3-10SY8292 5 40 2 0.8 0.6 ±2.0% 160 180/- SOT 23-6SY8113B 4.5 18 3 0.5 0.6 ±1.5% 100 80/40 Hic-cup SCP TSOT 23-6SY8113C 4.518 3 1 0.6 ±1.5%10080/40 Hic-cup SCP TSOT 23-6SY8113D 4.5 18 3 0.5 0.6 ±1.5% 100 80/40 √Hic-cup SCP, EXT SS TSOT 23-8SY8113G 4.518 3 0.5 0.6 ±1.5%10080/40 Hic-cup SCP, FCCM TSOT 23-6SY8203A 4.523 3 1 0.6 ±1.5%400120/85 √EXT SS DFN3x3-10SY8223 4.523 3 0.5 0.6 ±1.5%400120/85 √EXT SS, Hic-cup SCP DFN3x3-10SY8253 4.5 23 3 0.5 0.6 ±1.5% 100 105/50 √EXT SS, Hic-cup SCP TSOT 23-8SY8303 4.5 40 3 0.5~2.5MHz 0.6 ±1.5% 18 70/110 TSOT 23-8 SY8293 5 40 3 0.8 0.6 ±2.0% 160 180/-SO8EPart Number Vin(min)(V)Vin(max)(V)Iout(max)(A)Fsw (MHz) Vout(min)(V)VoltageAcurracyQuiescentCurrent (uA)MO SFET(Ron H/L)(m ? )Power Good OutputFeature/ Special Function PackageSY8502 7 85 1.2 0.2~0.5 1.2 ±2.0% / 500/240 Programmable Switching FrequencyRangeSO8ESY8120B1 4.5 18 2 0.5 0.6 ±2% 400 130/120 SOT 23-6SY8121 4.5 18 2 1 0.6 ±2% 400 170/160 SOT 23-6/ DFN2x2-6 SY8121C 4.5 18 2 1.2 0.6 ±2% 400 130/120 SOT 23-6SY8222 4.5 23 2 0.5 0.6 ±1.5% 400 150/110 √EXT SS, Hic-cup SCP DFN3x3-10SY8292 5 40 2 0.8 0.6 ±2.0% 160 180/- SOT 23-6SY8113B 4.5 18 3 0.5 0.6 ±1.5% 100 80/40 Hic-cup SCP TSOT 23-6SY8113C 4.5 18 3 1 0.6 ±1.5% 100 80/40 Hic-cup SCP TSOT 23-6SY8113D 4.5 18 3 0.5 0.6 ±1.5% 100 80/40 √Hic-cup SCP, EXT SS TSOT 23-8SY8113G 4.5 18 3 0.5 0.6 ±1.5% 100 80/40 Hic-cup SCP, FCCM TSOT 23-6SY8203A 4.5 23 3 1 0.6 ±1.5% 400 120/85 √EXT SS DFN3x3-10SY8223 4.5 23 3 0.5 0.6 ±1.5% 400 120/85 √EXT SS, Hic-cup SCP DFN3x3-10SY8253 4.523 3 0.5 0.6 ±1.5%100105/50 √EXT SS, Hic-cup SCP TSOT 23-8SY8303 4.5 40 3 0.5~2.5MHz 0.6 ±1.5% 18 70/110 TSOT 23-8SY82935 40 3 0.8 0.6 ±2.0%160180/- SO8ESY8113H 4.5 18 3 0.5 0.6 ±1.5% 160 80/40 Programmable soft-start time TSOT 23-8±1.5%SY8104A4.518 4 0.5 0.6±1.5%100 50/30Instant PWM architectureSY8105 4.5 18 5 0.5 0.6±1.5%100 50/30SY8205 4.5 30 5 0.5 0.6±1.5%200 70/40√EXT SSSY8105A 4.5 18 5 0.5 0.6±1.5%100 40/20Instant PWM architectureSY8366H 4 28 6 0.8 0.6±1.5%100 40/20√Hic-cup SCP, 12A Peak current capability,programmable output current limitSY8286A 4 23 60.6 0.6 ±1.0% 12038/19 √SY8366K428 6 0.50.6±1.5%10040/20√Hic-cup SCP,6A continuous/12A peakoutput current capabilitySY8368A42880.80.6±1%100 20/10√Hic-cup SCP, 16A Peak current capability,programmable output current limitSY8288A 4 23 8 0.5 0.6 ±1.0% 80 30/10SY8288 4 23 8 0.5 0.6 ±1.0%8030/10SY8288C5.52380.60.6±1.5%10822/11√OVP/OCPSY8210A 4 28 10 0.6 0.6±1.5%300 25/8√Mem o ry power, 10A VDDQ/1A VTT LDO, 16A Peak Current capability, Latch offUVP/OVP, Over temperature alertSY8204 4.5 30 40.50.620080/50EXT SSPackageTSOT 23-6SO8ETSOT 23-6TSOT 23-6DFN3x4-12TSOT 23-6QFN3x3-12QFN3x3-20QFN3x3-12QFN3x3-12QFN3x3-20 QFN3x3-20QFN3x3-20QFN4x3-19Part Number Vin(min)(V)Vin(max)(V)Iout(max)(A)Fsw (MHz) Vout(min)(V) Voltage AcurracyQuiescent Current (uA)MO SFET(Ron H/L) (m ? ) Power Good OutputFeature/ Special Function Package SY8182 4 18 12 0.2~1MHz 0.6 ±1.0%18/6 √QFN4x4-20SY8182L 4.5 18 12 0.2~1MHz0.6 ±1.0% 500 18/6 √ Hic-cup SCP/OVPQFN4x4-24 SY8186418160.50.6±1.5%1507.5/2.5√Hic-cup SCP, programmble outputQFN4x4-11current limitPart NumberVin(min)(V)Vin(max)(V)Ilim (A)Fsw (MHz)Vout(max)(V)Sync BoostFixed O utputVoltage (V) Acu F r B ra /c y AcurracyInput Q uiescent Current (uA)Q uiescent current from output (uA)MO SFET Ro n (L/S) (m ? )Feature/ Special Function PackageSY7060L 0.7 5 0.2 / 5.25 Y /0.5V ±3% 0.518450/800SOT-363SY7070 0.7 5 0.35 / / Y 3.3 /0.5 5.5 500/700Bypass function @ shutdown SOT 23-5SY7070A 0.7 5 0.35 / / Y 3 / 0.5 5.5 500/700SOT 23-5SY7071 0.7 5 0.35 / 5.25 Y /1.0V ±3%0.5 5 500/700 Pass-through function @ shutdown SOT-363SY7071A 0.7 5 0.35 / / Y 5 / 0.5 7 400/500Pass-through function @ shutdown SOT-363SY7060 0.7 5 0.4 / 5.25 Y /0.5V ±3% 0.5 18 450/800SOT-363SY7080 0.9 4 1.8 1.2 4 Y / 1.2V ±3%65 / 90/200 Output Disconnect @Shutdown SOT 23-6Single output step Up (Boost) Converter (Low V oltage)Part NumberVin(min)(V)Vin(max)(V)Ilim (A)Fsw (MHz)Vout(max)(V)Sync BoostFixed O utput Voltage (V)Acu F rr B a /c y Acurracy InputQuiescent Current (uA) Quies cent current from output (uA) MOSFET Ron(L/S) (m ?) Feature/ Special Function PackageSY7063 1.8 5.25 3 0.5 5.5 Y / 1.2V ±1.5% 102736/40Output Disconnect @Shutdown QFN2x2-10SY7069 2.5 5.5 3 1 5.5 Y / 1.2V±1.5% 8 32 50/90TSOT 23-6SY7088 2.3 5 3 1 5.5 Y / 1.2V ±1.5% 2 30 70/85DFN2x3-8SY7088E 2.3 5 3 1 5.5 Y / 1.2V ±1.5% / / 70/85DFN2x3-8SY7065 1.8 5.25 5 0.5 5.5 Y / 1.2V ±1.5% 10 27 20/40 Auto output discharge function QFN2x2-10SY7065A 1.8 5.25 5 0.5 5.5 Y / 1.2V ±1.5% 10 27 20/40No output discharge function QFN2x2-10SY7076 2 5.5 6 0.5 5.5 Y / 1.2V ±1.5% 10 27 20/40QFN2x2-10SY7066 1.8 5.25 6 0.5 5.5 Y / 1.2V ±1.5% 10 27 20/40 Auto output discharge function QFN2x2-10SY7066B 1.8 5.25 6 0.5 5.5 Y / 1.2V ±1.5%10 27 20/40 Selectable Forced PWM mode QFN2x2-10Single output step Up (Boost) Converter (Low V oltage)SY9701A 2.6 5.5 1.2 1 5.5 0.6V ±1.5% 60 100/100 Output Disconnect @Shutdown DFN3x3-14Single output step Up (Boost) Converter (High Voltage)PackagePart NumberVin(min)(V)Vin(max)(V)Ilim (A)Fsw (MHz) Vout (max) (V) Sync BoostFB/ AcurracyInput Q uiescent Current (uA) MO SFET (RonMain/Rectified)(m? )Disconnect FET Ron ( m ?) Power Good OutputFeature/ Special FunctionSY7208C 3 25 0.6 1 25 N0.6V ±2%100 150/-Int SS/CompSOT 23-6SY7152A 3 8 2 1 16 N0.6V ±2%100 130/-Int SS/Comp SOT 23-6SY7208L 3 25 2 1 25 N0.6V ±2%100 150/-Int SS/Comp SOT 23-6SY7302 3 33 2 1 33 N0.6V ±2% 100 200/-Int SS/Comp SOT 23-6SY7388 3.5 30 2 0.85 30 N 1V ±2%150 200/-Accurate input current limit SOT 23-6SY7102 2 6 2.5 1 6 N0.6V ±2% 200 120/-Int SS/Comp SOT 23-6SY7801 2.5 5.5 2.5 1 / N 0.6V ±2%200 120/-Int SS, with 2A 80m? Load Switch DFN3x3-12SY7104A2 6 4 1 6 N0.6V ±2% 100 90/-Int SS/Comp DFN3x3-10SY7304 3334133N 0.6V ±2%100120/-QFN3x3-10SY7205 8.6 15.9 4.5 0.5 16 N1.25V±1.5% 120 75/-Adjustable soft-start time, OVP DFN3x3-10SY7982 3 9 6 1 13 Y 1V ±2% 600 80/4040√True shutdown QFN3x3-16SY7219 3 5.5 9 / 36 N 1.25V ±2%350 65/-EXT Comp DFN3x3-10 SY721531615/18Y1V ±1.5% 22016/1818√Int SS, OVP/SCP/ True shutdown ProgrammableSwitching Frequency: 0.2~1MHz QFN4x4-18SY7215A31615/18Y 1V ±1.5%2309/1212√Int SS, OVP/SCP/ True shutdown ProgrammableSwitching Frequency: 0.2~1MHzQFN4x4-181.23VInt SS; Adjustable current limit for optical module;SY7501B2.955.50.930.480N ±2%225 800/-Current limit indicator; Accurate high-side currentQFN3x3-16monitor; 320mW maximum output powerDC-DC PWM Controller (external Switch)Original Part Number Vin(min)(V)Vin(max)(V)Fsw (MHz)V(V R)EFFunction PackageSY7901 3 25 0.5 1 Current mode DC/DC controller targeted for Boost, Sepic, Flyback and Forward applications with DC Input Current Limit DFN3x3-10 SY7902A 3 25 0.3 1 Current mode DC/DC controller targeted for both Boost and Sepic applications with DC Output Current Limit SOP10 Power ModulePart Number Vin(min)(V)Vin(max)(V)Iout(max)(A)Fsw (MHz)Fixed O utputVoltage (V)Voltage Acurracy Q uiescent Current (uA) MOSFET (Ron H/L) (m? ) Integrated Inductor PackageSY98081 2.5 5.5 0.6 3 ±2% 40 230/150 √QFN2x1.5-8 SY98001 2.5 5.5 1.2 3 ±2% 40 230/150 √QFN2.5x2-8 SY98003 2.7 5.5 3 3 ±1.5% 60 35/15 √QFN3x3-10 SY98004 2.7 5.5 4 3 ±1.5% 60 35/15 √QFN3x3-10 SY98002 2.7 5.5 2 3 ±1.5% 60 20/40 √QFN3x3-10 SY98202 4.5 23 2 2 ±1.5% 100 50/105 √QFN3x3-10 SY98195 4.5 18 5 1.5 ±1.5% 15/50 √QFN5x5-20LDO RegulatorPart Number Vin(min)(V)Vin(max)(V)Vout(V)Iout(A)Dropout Voltage (mV) Function PackageSY6340 2.3 30 Output Voltage Adjustable 0.15 300 LDO Reg SOT23-5D FN2×2-6 SY6340B 3.6 30 3.3 0.05 100 LDO Reg SOT 23-5SY6345 4 40 Adjustable 0.3 300 LDO Reg SOT 23-5SY6301 1.6 5.5 Output Voltage Adjustable 1 0.32V at I OUT =1A, V OUT =1.5V0.18V at I OUT =1A, V OUT =2.8VLDO Reg DFN3×3-6SY6307B 0.8 5.5 Output Voltage Adjustable 0.5 90 LDO Reg DFN1.2x1.2-6 Protection SwitchPart Number Package Enabl eLogic O CP O VP No. ofChannelsVin(V) Vout(V) Iout(A) Rds(on) TUV/CBCertificateULCertificateSpecial FunctionSY6280A SOT 23-5 H Y N 1 2.4~5.5 2.4~5.5 0.4~2 63m? Programmable current limit, reverse blockingSY6281A SOT 23-5 L Y N 1 2.4~5.5 2.4~5.5 0.4~2 63m? Programmable current limit, reverse blockingSY6288A SOT 23-5 H Y N 1 2.5~5.5 2.5~5.5 0.6 80m? √√Output discharge at shutdown Reverse Blocking,OCB indicatorSY6288B SOT 23-5 L Y N 1 2.5~5.5 2.5~5.5 0.6 80m? ? ? Output discharge at shutdown Reverse Blocking,OCB indicatorSY6811 CSP0.9x0.9-4 H N N 1 1.05~1.95 1.05~1.95 1 45m?@VIN=1.2V35m?@VIN=1.8V Auto output cap discharge function, utra low inputvoltageSY6819A SO8 H Y N 1 4.5~18 4.5~18 1.2 110m?@VIN=12V Programmable blanking t ime for DFF control, Default Off when EN ONSY6819 SO8 H Y Y 1 4.5~18 4.5~18 1.2 110m?@VIN=12V Programmable blanking t ime for DFF control,Default On when EN ONSY6288C20 SOT 23-5 H Y N 1 2.5~5.5 2.5~5.5 2 65m? ? ? Output discharge at shutdown Reverse Blocking,OCB indicatorSY6288D20 SOT 23-5 L Y N1 2.5~5.5 2.5~5.5265m? √√Output discharge at shutdown Reverse Blocking,OCB indicatorPart Number Package EnableLogicOCP OVPNo. ofChannelsVin(V) Vout(V) Iout(A) Rds(on)TUV/CBCertificateULCertificateSpecial FunctionSY6882A DFN2x2-8 H N Y 1 3~23 3~23 2 100m?Internal Fixed Over-Voltage Protection Threshold @7.1V, Thermal Shutdown Protection&Auto RecoverySY6882B DFN2x2-8 H N Y 1 3~23 3~23 2 100m? Programmable OVP Threshold Thermal Shutdown Protection& Auto RecoverySY6883 SOT 23-6 L N Y 1 3~23 3~23 2 100m? Programmable OVP Threshold Thermal Shutdown Protection& Auto RecoverSY6822 QFN2x2-10 L Y N 1 3~6.6 3~6 2 60m? Bidirectional Current Limit SwitchSY6288C7 SOT 23-5 H Y N 1 2.5~5.5 2.5~5.5 2.5 70m? √Output discharge at shutdown Reverse Blocking,OCB indicatorSY6288D7 SOT 23-5 L Y N 1 2.5~5.5 2.5~5.5 2.5 70m? √Output discharge at shutdown Reverse Blocking,OCB indicatorSY6288C5 MSOP8 H Y N 1 2.5~5.5 2.5~5.5 2.5 70m? √√Output discharge at shutdown Reverse Blocking,OCB indicatorSY6288D5 MSOP8 L Y N 1 2.5~5.5 2.5~5.5 2.5 70m? √√Output discharge at shutdown Reverse Blocking,OCB indicatorSY6288E1 SOT 23-5 H Y N 1 2.5~5.5 2.5~5.5 3 45m? √√Output discharge at shutdown Reverse Blocking,OCB indicatorSY6288E2 SOT 23-5 L Y N 1 2.5~5.5 2.5~5.5 3 45m? √√Output discharge at shutdown Reverse Blocking,OCB indicatorSY6288F1 SOT 23-6 H Y N 1 2.5~5.5 2.5~5.5 3 45m? √Output discharge at shutdown Reverse Blocking,OCB indicatorSY6288F2 SOT 23-6 L Y N 1 2.5~5.5 2.5~5.5 3 45m? √Output discharge at shutdown Reverse Blocking,OCB indicatorSY6283A DFN1.2×1.6-4 H Y N 1 2.5~5.5 2.5~5.5 3 60m? Output discharge at shutdown Reverse Blocking SY6283 DFN1.2×1.6-4 H Y N 1 2.5~5.5 2.5~5.5 3 60m? Reverse blocking output, ultra low input voltage SY6813 6 ball CSP H N N 1 1.2~5.5 1.2~5.5 3 22m? Auto output cap discharge functionPart Number Package EnableLogicOCP OVPNo. ofChannelsVin(V) Vout(V) Iout(A) Rds(on)TUV/CBCertificateULCertificateSpecial FunctionSY6288D20 SOT 23-5 L Y N 1 2.5~5.5 2.5~5.5 2 65m? √√Output discharge at shutdown Reverse Blocking,OCB indicatorSY6882A DFN2x2-8 H N Y 1 3~23 3~23 2 100m?Internal Fixed Over-Voltage Protection Threshold @7.1V, Thermal Shutdown Protection&Auto RecoverySY6882B DFN2x2-8 H N Y 1 3~23 3~23 2 100m? Programmable OVP Threshold Thermal Shutdown Protection& Auto RecoverySY6883 SOT 23-6 L N Y 1 3~23 3~23 2 100m? Programmable OVP Threshold Thermal Shutdown Protection& Auto RecoverSY6822 QFN2x2-10 L Y N 1 3~6.6 3~6 2 60m? Bidirectional Current Limit SwitchSY6288C7 SOT 23-5 H Y N 1 2.5~5.5 2.5~5.5 2.5 70m? √Output discharge at shutdown Reverse Blocking,OCB indicatorSY6288D7 SOT 23-5 L Y N 1 2.5~5.5 2.5~5.5 2.5 70m? √Output discharge at shutdown Reverse Blocking,OCB indicatorSY6288C5 MSOP8 H Y N 1 2.5~5.5 2.5~5.5 2.5 70m? √√Output discharge at shutdown Reverse Blocking,OCB indicatorSY6288D5 MSOP8 L Y N 1 2.5~5.5 2.5~5.5 2.5 70m? √√Output discharge at shutdown Reverse Blocking,OCB indicatorSY6288E1 SOT 23-5 H Y N 1 2.5~5.5 2.5~5.5 3 45m? √√Output discharge at shutdown Reverse Blocking,OCB indicatorSY6288E2 SOT 23-5 L Y N 1 2.5~5.5 2.5~5.5 3 45m? √√Output discharge at shutdown Reverse Blocking,OCB indicatorSY6283A DFN1.2× 1.6-4 H Y N 1 2.5~5.5 2.5~5.5 3 60m? Output discharge at shutdown Reverse Blocking SY6283 DFN1.2× 1.6-4 H Y N 1 2.5~5.5 2.5~5.5 3 60m? Reverse blocking output, ultra low input voltage SY6813 6 ball CSP H N N 1 1.2~5.5 1.2~5.5 3 22m? Auto output cap discharge functionPart Number Package EnableLogicOCP OVPNo. ofChannelsVin(V) Vout(V) Iout(A) Rds(on)TUV/CBCertificateULCertificateSpecial FunctionSY6823 DFN2x2-8 H N N 2 0.6~5.5 0.6~5.5 4 28m? Programmable turn-on delay& ramp-up time,integrated OTP SCPSY6818 CSP1.73x1.73-12 H N Y 1 2.5~30 2.5~20 5 R PWPT =53m? (typ) Programmable OVP with Integrated Reverse Blocking FET, acurrate current level indicatorSY6874 DFN3x3-10 H Y Y 1 2.5~30 2.5~14 4 50m? Programmable softstart¤t limit,3.3V/5V/12V selectable clamping outputSY6875A DFN3x3-10 H Y Y 1 2.5~30 2.5~14 5 40m? Programmable softstart¤t limit,3.3V/5V/12V selectable clamping outputSY6875C DFN3x3-10 H Y Y 1 2.5~30 2.5-14 5 40m? Programmable softstart¤t limit, 3.3V/5V/12V selectable clamping outputSY6875D DFN3x3-10 H Y Y 1 2.5~30 2.5-14 5 40m? Programmable softstart¤t limit, 3.3V/5V/9V selectable clamping outputSY6875F DFN3x3-10 H Y Y 1 2.5~30 2.5-14 5 50m? Programmable softstart¤t limit,3.3V/5V/12V selectable clamping outputSY6895A DFN3x3-10 H Y Y 1 2.5~12 2.5~6.5 5 40m? Fixed Current Limit, Prog.SS SY6895C DFN3x3-10 H Y Y 1 2.5~12 2.5~6.5 5 40m? Fixed Current Limit, Prog.SSSY6880C CSP1.8x2-12 H N Y 1 2.5~28 0~7 5A continous,8A peak38m?Fixed intenal OVP@6.8V, Reverse block, Surgeprotection up to 80VSY6880A CSP1.8x2-12 H N Y 1 2.5~28 0~7 5A continous,8A peak 38m?SY6829 CSP0.79x0.79-4 H N Y 1 2.5~6 0~7 1 96m? Precise clamping output voltageSwitching ChargerPart Number Function Vin (V)Max. ChargeCurrent (A)Fsw (MHz) Series Cells Cell Voltage Special Function PackageSY6903A Single-Cell Bi-directional Power Bank 4.5-5.5 2 0.5 Single Cell 4.2V adaptive current limit, 2.4A Boost QFN3x3-16 SY6923 Single-Cell with USB-OT G 4~6 1.55 3 Single Cell 3/5~4.44V Compliance with USB and USB OT G, MTK reference design CSP 1.93x2.05-20 SY6923D Single-Cell with USB-OT G 4~6 1.55 3 Single Cell 3.5~4.44V Compliance with USB and USB OTG CSP 1.93x2.05-20 SY6923D1 Single-Cell with USB-OT G 3.5- 4.44 1.25/1.55 3 Single Cell 4.2V Compliance with USB and USB OTG CSP 1.93x2.05-20SY6932 Multi-cell Charger Step Down Reg. 4~23 2 0.8 1-3 Cells 4.2VProg. Charge Current&Timer，Output Power PathManagementQFN4x4-16SY6952A Single-cell Charger Step Down Reg. 4~23 2 0.8 Single Cell 4.2V,4.35V Power Path Management and Adaptive Input Current Limit QFN4x4-16 SY6952C Single-cell Charger Step Down Reg. 4~23 2 0.8 Single Cell 4.2V, 4.35V Power Path Management and Adaptive Input Current Limit DFN3x3-12 SY6952B1 Single-cell Charger Step Down Reg. 4~23 2 0.8 Single Cell 4.1V, 4.4V Adaptive Input Current Limit SO8ESY6982C 2 cell Boost Li-Ion Baterry Charger 3.6~5.5 2 1 2 Cells 4.2V, 4.35V Prog. Charge Current&T imer，Adaptive Input Current Limit QFN3x3-16SY6982C1 2 cell Boost Li-Ion Baterry Charger 3.6~5.52 12 Cells 4.1V, 4.25V Prog. Charge Current&T imer，Adaptive Input Current Limit QFN3x3-16 SY6982D 2 cell Boost Li-Ion Baterry Charger 3.6~5.5 2 1 2 Cells 4.1V, 4.2V, 4.3V, 4.35V Prog. Charge Current&T imer，Adaptive Input Current Limit QFN3x3-16SY6982E2 cell Boost Li-Ion Baterry Charger 3.6~5.52 12 Cells 4.2V, 4.35VProg. Charge Current&T imer，Adaptive Input Current LimitQFN3x3-16SY6982E12 cell Boost Li-Ion Baterry Charger 3.6~5.52 12 Cells 4.25V, 4.4VProg. Charge Current&T imer，Adapter and BAT IN IndicatorQFN3x3-16SY6982F 2 cell Boost Li-Ion Baterry Charger 3~5.5 2 1 2 Cells 4.2V Prog. Charge Current&T imer，Adapter and BAT IN Indicator QFN3x3-16 SY6903 Single-Cell Bi-directional Power Bank 4.5~5.35 2 0.5 Single Cell 4.2V 3in1, Adaptive current limit, 2.4A Boost QFN3x3-16 SY6903B Single-Cell Bi-directional Power Bank 4.5~5.3520.5 Single Cell 4.35V 3in1, Adaptive current limit, 2.4A Boost QFN3x3-16Part Number Function Vin (V)Max. ChargeCurrent (A)Fsw (MHz) Series Cells Cell Voltage Special Function PackageSY6908 Single-Cell Bi-directional Power Bank 4.5~5.35 2 0.5 Single Cell 4.2V 3in1, Adaptive current limit, 2.5A Boost QFN3x3-16SY6908A Single-Cell Bi-directional Power Bank 4.5~5.5 2 0.5 Single Cell 4.2V 3in1, Adaptive current limit, 2.5A Boost QFN3x3-16 SY6908B Single-Cell Bi-directional Power Bank 4.5~5.35 2 0.5 Single Cell 4.35V 3in1, Adaptive current limit, 2.5A Boost QFN3x3-16 SY6908D Single-Cell Bi-directional Power Bank 4.5~5.35 2 0.5 Single Cell 4.2V 3in1, Adaptive current limit, >10000mAH BAT, 2.5A Boost QFN3x3-16 SY6908E Single-Cell Bi-directional Power Bank 4.5~5.35 2 0.5 Single Cell 4.35V 3in1, Adaptive current limit, >10000mAH BAT, 2.5A Boost QFN3x3-16 SY6918 Single-Cell Bi-directional Power Bank 4.5~5.35 2 0.5 Single Cell 4.2V,4.35V Prog. current limit, 18V input voltage surge QFN3x3-16 SY6918A Single-Cell Bi-directional Power Bank 4.5~5.35 2 0.5 Single Cell 4.2V,4.35V Prog. current limit, 18V input voltage surge QFN3x3-16SY6918B Single-Cell Bi-directional Power Bank 4.5-5.3520.5 Single Cell 4.2V, 4.35V Prog. current limit, 18V input voltage surge QFN3x3-16SY6990 Single-Cell Bi-directional Power Bank 4~13.5 5 0.5 Single Cell 4.1V,4.2V,4.25V,4.4VI2C controlled, USB Complianced, 5V/3A&12V/1.2A Boost QFN4x4-24SY6992 Single-Cell Bi-directional Power Bank 4~13.5 5 0.5, 0.3 Single Cell 4.1V,4.2V,4.25V,4.4V I2C controlled, USB Complianced, 5V/4A&12V/1.5A Boost QFN4x4-20SY6993 Single-Cell Bi-directional Power Bank 4~13.5 5 0.5, 0.3 Single Cell 4.1V,4.2V,4.25V,4.4VI2C controlled, USB Complianced, 5V/4A&12V/1.5A Boost QFN4x4-20 SY6935 High Current Step-down Charger 4~14 3.5 1 1-2 Cells 4.2V, 4.35V Adaptive input current limit, Blocking FET integrated QFN3x3-16 SY7994 Synchronous Boost converter with QC3.0 3~4.5 NA 0.3, 0.5 Single Cell NA QC3.0 Compliance QFN4x4-20Power Management I CsPart Number Vin(min)(V)Vin(max)(V)Num ber ofChannelsPackage Application Integrated FunctionSY8675 9.3 18 3 SO8E TV power system 1 synchronous buck, 1 sy cnh ronous buck, 1 load switchSY8670 8 25 6 QFN5X5-32 TV Power System 4-Channel Step-Down onCve rter, 2-Channel LDOSY8632A 4.5 18 3 QFN5x5-32 TCON Power System I2C controlled 3-channel Buck RegulatorsSY6401A 4 18 1 DFN3x3-10 SSD Programmable charging current Automatic bi-directional energy flowSY6402 2.7 16 1 QFN3x4-19 SSD Input-side current limit switch Bi-directional DC-DC Regulator wit disconnhe ct switch: Boost Charging Mode and Buck Discharging Mode SY8645 3.4 5.5 8 QFN5x5-32 POS 4 Buck Converter, 2 LDO, one MOS switch, one load switch&one voltage detector.SY7630 2.5 5.5 3 QFN4x4-24 Monitor/NB LCD Panel Power AVDD Boost, VGH/VGL charge pump, VCOM OPAMP, GPMSY7630B 2.3 5.5 3 QFN4x4-24 Monitor/NB LCD Panel Power AVDD Boost, VGH/VGL charge pump, VCOM OPAMP, GPMSY8671 9.1 14.7 6 QFN6X6-40 TV LCD Panel Power 1 AVDD Boost, 1 HAVDD Buck, 2 Buck, 1 VON Boost, 1 VOFF Buck-BoostSY8673 8 18 5 QFN7x7-48 TV LCD Panel Power AVDD Boost, VGH/VGL charge pump, VCOM OPAMP, GPM, DVDD, Gammar reference LDOSY7615 8 18 2 DFN3x3-10 wer supply and control for satellite set t Boost, LNB BlogSY7615A8 18 2 DFN3x3-10 LNB power supply and control for s at elliteset top boxesBoost, LNB BlogSY8631 2.5 5.5 6 QFN4x4-24 Camera module Step Down Buck Regulators,3 Low Dropout LDO and 1 Channel RESET OutputSY86304 20 3DFN3x3-12 Security CCD Camera power supply 2 Buck converters and 1 Boost converterSY86412 5 5QFN3x3-16 3D Glass 1 Boost output with analog switches for 3D glassesSY8660C 2.7 5.5 1 DFN3x3-14 U SB Powered Devices Buck converter with programmable current limit switchSY8689 4.5 18 3 QFN4x4-24 TV Power/USB Ports and Hubs/Set-Top Dual synchronous buck regulator and an N-channel back-to-back power MOSFET switch。
同步整流芯片IR1167在变压整流器中应用
2008年第11期76同步整流芯片IR1167 在变压整流器中应用苏过林1,2 杨善水1 陈万华2（1.南京航空航天大学自动化学院，南京 210016；2.天津航空机电有限公司，天津 300308）摘要 本文介绍了高效率同步整流技术在航空变压整流器的应用。
阐明了同步整流驱动芯片IR1167的工作原理，着重分析了降低同步整流损耗的一种新型驱动电路。
关键词：同步整流；损耗；变压整流器The Application of Synchronous Rectifier IC IR1167 in Transformer RectifierSu Guolin 1,2 Yang Shanshui 1 Chen Wanhua 2(1.College of Automation Engineering, Nanjing University of Aeronautics & Astronautics, Nanjing 210016;2.Tianjin Aviation Electro-mechanical Co,Ltd, Tianjin 210016)Abstract The application of high efficiency synchronous rectifier technology in aero Transformer Rectifier Unit is introduced in this paper. The principle of driver IC IR1167 for the synchronous rectifier is described. A novel drive circuit is applied to reduce the loss of synchronous rectifier, and is analyzed in detail.Key words ：synchronous rectification ；distributed power ；transformer rectifier unit1 引言随着新型电子元器件的发展和电路拓扑的不断推出，航空二次电源向着高效率、小型化方向发展。
常用同步整流驱动芯片
随着科技的不断发展，电子设备对能源的依赖越来越高，因此，电源管理技术变得越来越重要。
同步整流驱动芯片作为电源管理的重要组成部分，也受到了广泛关注。
本文将对同步整流驱动芯片的常用类型、工作原理、应用场景以及发展趋势进行详细介绍。
一、常用同步整流驱动芯片目前市面上常用的同步整流驱动芯片主要分为两种类型：单通道和多通道。
单通道同步整流驱动芯片主要用于驱动单个整流管，而多通道同步整流驱动芯片则可以同时驱动多个整流管。
其中，单通道同步整流驱动芯片又可以分为单NMOS 管和单PMOS管两种类型。
二、同步整流驱动芯片工作原理同步整流驱动芯片的核心功能是驱动整流管，通过控制整流管的导通和截止状态，实现电源的整流功能。
具体来说，当输入的电源电压达到一定值时，同步整流驱动芯片会控制整流管导通，使得电流通过整流管流向负载；当输入的电源电压低于一定值时，同步整流驱动芯片会控制整流管截止，阻止电流流向负载。
通过这种方式，同步整流驱动芯片实现了电源的整流功能。
三、同步整流驱动芯片应用场景同步整流驱动芯片广泛应用于各种电子设备中，如充电器、适配器、LED照明等。
在这些应用场景中，同步整流驱动芯片可以显著提高电源的效率，降低能源的浪费。
例如，在充电器中，使用同步整流驱动芯片可以大大提高充电器的效率，缩短充电时间；在LED照明中，使用同步整流驱动芯片可以降低电源的温升，延长LED的使用寿命。
四、同步整流驱动芯片发展趋势随着技术的不断进步和应用需求的不断变化，同步整流驱动芯片也在不断发展和完善。
未来，同步整流驱动芯片将朝着更高效、更可靠、更智能化的方向发展。
具体来说，以下几个方面将是未来发展的重点：1.高效率：随着电子设备对能源效率的要求越来越高，同步整流驱动芯片的高效率化将是未来的重要发展方向。
通过优化电路设计、采用先进的制程技术等方式，可以提高同步整流驱动芯片的效率，从而降低能源的浪费。
2.高可靠性：由于同步整流驱动芯片在电子设备中起到关键的作用，因此其可靠性也是非常重要的。
DK5V45R25P高性能同步整流芯片说明书
高性能同步整流芯片产品概述DK5V45R25P是一款简单高效率的同步整流芯片。
芯片内部集成了45V功率NMOS管，可以大幅降低二极管导通损耗，提高整机效率，取代或替换目前市场上等规的肖特基整流二级管。
DK5V45R25P采用SOP-8封装。
主要特点●超低V F●超低温升●集成45V25mΩ功率NMOS●可工作于DCM、QR模式●自供电技术，无需外围供电●智能检测系统，无需前端同步信号●对EMI/C有适当改善●可以直接替换肖特基二极管●无需任何外围典型应用●USB充电器●适配器●LED驱动等引出端排列引出端功能管脚序号管脚名称描述1,2,3A应用时同二极管阳极4VCC芯片供电引脚。
5,6,7,8K应用时同二极管阴极电路结构方框图极限参数参数符号最小值典型值最大值单位NMOS源漏耐压V(BR)DSS45V NMOS最大连续电流①I DSCDC30A NMOS最大峰值电流②I DSPDC40A SOP8耗散功率P DMAX1W 热阻（结到环境）RθJA76℃/W 热阻（结到管壳）RθJC4℃/W 工作结温范围T J-25120℃储存温度范围T STG-55155℃结温T J-25150℃焊接温度260/5S℃备注：①②：SOP-8封装未带散热片（TA=25℃）条件下测试；电特性参数（T A=25℃除非有其他说明）参数符号测试条件最小值典型值最大值单位电源电压芯片启动电压③V CC_ON 3.6V 欠压保护阈值③V CC_OFF 3.1V VCC工作电压Vcc56V 智能检测&控制NMOS开通电压V ON-150mV NMOS开通延时T DON150ns NMOS关断延时T DOFF50ns NMOS最大开通时间T ON_MAX20usμs NMOS最小开通时间T ON_MIN300ns NMOS最小关断时间T OFF_MIN500ns 死区时间④T D0ns 最大工作频率F S_MAX100KHz NMOSNMOS导通电阻R DS_ON25mΩNMOS源漏漏电流I DSSμA 备注：③．规格书中电压均以A点为参考点；功能描述DK5V45R25P是一款简单高效的三个管脚的同步整流芯片，在5V低边应用时VCC直接接输出正极，无需任何外围器件，可以大幅降低传统肖特基二极管的导通损耗，提高整机效率。
双通道可编程激光二极管电流源驱动芯片-概述说明以及解释
双通道可编程激光二极管电流源驱动芯片-概述说明以及解释1.引言1.1 概述引言部分是文章开头的重要内容，它需要对文章主题进行简要介绍，概括文章的内容，并引起读者的兴趣。
以下是针对"双通道可编程激光二极管电流源驱动芯片"这个主题的概述部分内容："双通道可编程激光二极管电流源驱动芯片"是一种重要的电子器件，它能够提供高稳定性和可调性的电流输出，用于驱动激光二极管和其他光电器件。
激光二极管广泛应用于激光打印、激光显示、激光通信等领域，对于其驱动电流的精准稳定控制具有关键作用。
因此，设计一种高性能、可编程的激光二极管电流源驱动芯片显得尤为重要。
本文旨在研究与探讨双通道可编程激光二极管电流源驱动芯片的原理、设计与实现方法，以及其在实际应用中的作用和前景。
首先，我们将介绍双通道可编程激光二极管电流源驱动芯片的原理，包括其输入信号处理、稳定电流输出和功耗控制等关键特性。
其次，我们将详细描述双通道可编程激光二极管电流源驱动芯片的设计与实现方法，包括电路结构设计、芯片布局、信号调理电路和数字控制等方面内容。
最后，我们将探讨该驱动芯片在激光打印、激光切割等领域的应用，并对其未来的发展前景进行展望。
通过本文的研究，我们可以提高对激光二极管电流驱动的精确控制，并实现更高效、稳定的激光器驱动。
同时，该驱动芯片在激光打印、光通信、高速数据传输等领域的应用前景广阔。
我们希望通过本文的阐述，能够为相关领域的学者和工程师提供有益的参考，促进该领域的技术进步和应用发展。
1.2 文章结构文章结构部分的内容可以按照以下方式编写：文章结构部分的主要目的是为读者提供对整篇文章的概览，从而使他们能够更好地理解文章的内容和组织结构。
本文主要分为引言、正文和结论三个部分。
（1）引言部分是文章的开篇，用于引入主题并概述文章的内容。
在该部分，我们将简要介绍双通道可编程激光二极管电流源驱动芯片的背景和基本概念。
基于UC3843的同步整流升压电路
基于UC3843的同步整流升压电路安徽理工大学 王梦伟 刘 卓 秦 孜传统的BOOST升压电路利用较低，为解决这一问题，本文采用低导通电阻的MOSFET代替二极管实现续流，减小损耗，提高效率。
该同步整流升压电路以UC3843作为控制芯片，采用IR2104芯片驱动两个MOS管，实现开关管和整流管的交替导通，经过测试，达到了电路设计的要求。
引言：升压电路广泛应用于手机、直流电机传动、PFC等设备中，作为一种斩波电路在开关电源中也得到广泛应用。
同步整流技术由于可以大大的提高电路的效率，因此同步整流技术也广泛的应用在各种电子电路中（夏鲲,谭媛,袁印.一种单相高效率同步整流电源[J].信息技术,2016(11):57-60,65）。
为解决BOOST电路利用效率较低这一问题，本文设计了一款基于UC3843和同步整流管的BOOST升压电路，驱动采用IR2104芯片，控制开关管和同步整流管的交替导通，进而实现同步整流，利用MOS管代替续流管提高了电路的效率，该电路结构简单，效率达到了95%以上。
此外，根据BOOST电路计算出了电路的核心器件—电感，并选取了环形电感的型号、导线线径以及线圈的匝数（布朗(著),徐德鸿(译).开关电源设计指南(第2版)[M].北京:机械工业出版社,2004:30-98）。
1 硬件设计本论文设计的是基于电源芯片UC3843、驱动芯片IR2104的同步整流升压电路，要求输入电压12V，输出电压60V。
该同步整流升压电路主要包括滤波电路、脉宽调制电路、反馈电路、过流保护电路等组成。
图1 电路原理图设计的电路如图1所示。
UC3843是一种频率高、脉宽可调的电流控制型PWM调制芯片，它的电压调整率可达0.01%V，工作频率最高为500kHz，UC3843的电压门限为8.5V（通）和7.6V（断），有8个外接引脚，6脚可以输出稳定的PWM波（张京,秦会斌,章旦阳.基于UC3843的60W升压电路设计[J].电源技术,2016(2):425-426,454）。
LP3520高性能副边同步整流驱动芯片说明书
概述LP3520是一款高性能的副边同步整流芯片，集成同步整流MOS ，适用于隔离型的同步整流应用。
尤其适用于充电器中对高效率的需求场合。
特点⏹ 隔离型的DCM 控制应用 ⏹ 集成同步整流管⏹ 专利的原边开通判定和副边断续预估⏹ 专利的关断机制，防止短路漏源电压毛刺。
图1 LP3520典型应用图定购信息极限参数(注1)电气参数(注4, 5)（无特别说明情况下，V=5.0 V,T A =25℃）CC内部结构框图D应用信息LP3520是一款高性能的副边同步整流芯片，集成同步整流MOS ，适用于隔离型的同步整流应用。
LP3520采用专利的原边开通判定和副边断续预判定技术，可以有效的避免因激磁振荡引起的驱动芯片误动作。
LP3520采用特有的VCC 供电技术，可以保证在原边控制系统恒流和恒压两种工作状态下，芯片都不会欠压工作。
启动当系统上电后，通过内置MOS 的体二极管对输出电容充电，输出电压上升。
LP3520通过DET 脚连接输出电压。
当输出电压上升时，经过芯片内部供电电路，给VCC 电容充电，当VCC 的电压充到开启阈值电压时，芯片内部控制电路开始工作，MOS 正常的导通和关断。
MOS 正常的导通时，电流不再从体二极管流过，而从MOS 的沟道流过。
芯片正常工作时，所需的工作电流仍然通过DET 脚，给VCC 供电。
同步整流管导通反激DCM 工作时，由于电感的激磁作用，当初级芯片关断时，会产生振荡。
为了防止误检测振荡信号，导致同步整流管的异常开启，LP3520采用专利的原边开通判定技术。
当初级芯片导通时，通过变压器，次级输出地gnd 与芯片地GND 之间生成反激电压；当初级芯片关断时，次级LP3520的漏极D 与GND 之间的电压下降。
LP3520通过检测AE 脚反激电压和漏极的下降电压，能准确的判断同步整流管的开启。
同步整流管关断为了避免同步整流管导通时，因激磁振荡幅度较大，导致误检测关断信号，使同步整流管异常的关断，LP3520采用专利的副边断续预判定技术。
KT6860-正负压升压芯片
1.5MHz, 500mA STEP-UP DC-DC CONVERTERFigure 1. Package Type of KT6860The KT6860 is available in The KT6860 has built-in overvoltage protection (OVP)The KT6860 is a high power, constant frequency, cur-Aug.0601General Descriptionrent mode PWM, inductor based, step-up (boost) con-verter. The converter operates at high frequency(1.5MHz) so that a small, low profile inductor can be used.to allow the device goes into shutdown mode when the output voltage exceeds the OVP threshold of 29V .standard SOT-23-5 pack-age.Features·High Efficiency up to 81%·Adjustable Output V oltage up to 29V ·Shutdown Current 1µA Typical · 1.5MHz Switching Frequency·36V 500mA Rugged Integrated Bipolar Switch ·Built-in Soft-start to Reduce Inrush Current Dur-ing Start-up·On-chip Overvoltage Protection·Uses Low ESR Ceramic Output Capacitor ·Uses Small InductorApplications·LCD/OLED Display Bias Supply·White LED Driver for LCD Display Backlights ·Cellular PhonesSOT-23-5208Rev.1.4KT68Figure 2. Pin Configuration of KT6860 (Top View)2Pin DescriptionPin NumberPin Name Function1SWSwitch Pin. Connect inductor/diode here. The output voltage can go up to 29V but should not exceed this limit. If the voltage on this pin is higher than the overvoltage protection (OVP)threshold, the device can go into shutdown mode. It can be restarted by a low to high pulse on the SHDN pin, or by a power on reset on the V IN supply 2GND Ground Pin. Connect directly to local ground plane3FBFeedback Pin. Internally compares to 1.25V . Connect R1 and R2 resistor divider here. Calcu-late the Output V oltage according to the formula: V OUT =1.25V * (1+R1/R2)4SHDN Shutdown Pin. Connect to 1.5V or higher to enable device (ON), 0.4V or lower to disabledevice (OFF)5V INInput Supply Pin. Must be locally bypassedPin ConfigurationK Package(SOT-23-5)SW FBV INSHDNGND Aug.060208Rev.1.4KT 68Figure 12. LCD/OLED Display Bias Driver Typical CircuitNote: V OUT =1.25*(1+R1/R2)=1.25*19.2=24VC: X5R or X7R DielectricL: SUMIDA CDTH3D14/HPNP-100NC or Equivalent3Functional Block DiagramFB SHDNV INAug.060208Rev.1.4KT 68number, are RoHS compliant. Products with KT6860KTRP KT6860KTRG E6BG Tape & ReelLead FreeOrdering InformationPackageTemperature RangePart NumberMarking IDPacking TypeLead FreeGreenLead FreeGreenSOT-23-5-40 to 85o CK: SOT-23-5G: GreenTR: Tape & ReelPackage TypeP"G" suffix are available in green packages.signated with "P" suffix in the part KINETEIC's Pb-free products, as de4Aug.0208Rev.1.4Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Max-imum Ratings" for extended periods may affect device reliability.Parameter Symbol Min Max Unit Input V oltage V IN 2.616VOperating TemperatureT OP-4085oCRecommended Operating ConditionsAbsolute Maximum Ratings (Note 1)Parameter Symbol Value Unit Input V oltage V IN20V SW V oltage 38V FB V oltage 5V SHDN V oltage16VThermal Resistance (Junction to Atmosphere, no Heat sink) R θJA265oC/WOperating Junction Temperature 150o C Storage Temperature Range T STG -65 to 150o C Lead Temperature (Soldering, 10sec)T LEAD260oCESD (Machine Model)250V ESD (Human Body Model)2000VElectrical Characteristics(V IN=3V, V SHDN=3V, T A=25o C, unless otherwise specified.)Parameter Symbol Conditions Min Typ Max Unit2.6VMinimum Operating V olt-age16V Maximum Operating V olt-ageFeedback V oltage V FB V IN=5V, V OUT=24V, I OUT=30mA 1.17 1.25 1.33VFB Pin Bias Current V FB=1.25V1045100nASupply Current I CC V SHDN =V FB=V IN, No switching 2.5 3.5mASupply Current I Q V SHDN =0V, V FB=0V0.1 1.0µASwitching Frequency f 1.1 1.5 1.9MHzMaximum Duty Cycle D MAX8590%Switching Current Limit Duty Cycle=80%500mASwitch VCESAT V CESAT I SW=250mA300mVSwitch Leakage Current V SW=5V0.015µASHDN V oltage High (ON)V TH 1.5V SHDN V oltage Low (OFF)V TL0.4SHDN Pin Bias Current55µAOVP V oltage Threshold V OVP29VSoft-Start Time550µS5 Aug.06Aug.0208Rev.1.4Typical Performance CharacteristicsFigure 4. Quiescent Current vs. Input Voltage Figure 5. SHDN Pin Bias CurrentFigure 6. Switching Frequency Figure 7. Feedback Bias Current-50-2502550751000.00.40.81.21.62.0S w i t c h i n g F r e q u e n c y (M H z )Junction Temperature (oC)Junction Temperature (oC)vs. Junction Temperaturevs. Junction Temperaturevs. Junction Temperature7Aug.0208Rev.1.4Figure 9. Switching Current Limit vs. Duty CycleTypical Performance Characteristics (Continued)Figure 10. Feedback Voltage vs. Junction Temperature Figure 11. Efficiency vs. Output CurrentFigure 8. Efficiency vs. Junction Temperature1.241.251.261.271.281.29F e e d b a c k V o l t a g e(V )8Aug.0208Rev.1.4SOT-23-5Unit: mm(inch)Mechanical Dimensions0.000(0.000)1.050(0.041)9)0.100(0.004)。
CX8825_同步整流芯片资料1.1正式版
深圳市诚芯微科技有限公司 ＣＸ８８２５
VFB Ouput OVP Voltage Switching Frequency Maximum Duty Cycle Minimum On-Time Reference Voltage Of Current Sense Cable Compensation Scale Vout − 5.1V CSP − CSN VOUT-Short Power Mos Thermal shutdown Temp Thermal Shutdown Hysteresis VOUT-Short High-Side Low-Side TSD TSH TJ=25℃ OVP FSW Internal define CX8825 IOUT=200mA 1.27 120 85 1.3 135 100 350 93 1.35 150 100 V KHz % ns mV
原理框图
规格参数
诚
芯
微
Characteristics
Input Voltage UVLO Voltage UVLO Hysteresis Quiescent Current Standby Current Reference Voltage Of
科
Symbol
VIN VUVLO ICCQ ISB VFB = 1.5V, force driver off. No Load
微
SYMBOL
MILLIMETER NOM 0.2 4.9 3.9 6 0.41 1.27 BSC -
科
MAX 1.75 0.25 0.25 5.1 4.1 6.2 1.27 0.51 0.1 O 8
e
A1
技
DETAIL A
升压芯片 同步整流
升压芯片同步整流技术
升压芯片中的同步整流技术是一种采用通态电阻极低的专用功
率MOSFET来取代整流二极管，以降低整流损耗的新技术。
这种技术能大大提高DC/DC变换器的效率，并且不存在由肖特基势垒电压而造成的死区电压。
同步整流的基本电路结构中，功率MOSFET属于电压控制型器件，它在导通时的伏安特性呈线性关系。
当使用功率MOSFET作为整流器时，要求栅极电压必须与被整流电压的相位保持同步，才能完成整流功能。
在升压芯片中，同步整流技术能大大减少开关电源输出端的整流损耗，从而提高转换效率，降低电源本身的发热。
例如，DK5V45R25和DK100R20是锂电池升压输出5V1A、2A的同步整流升压经典IC，而FP6717和FP6716则是锂电池升压输出5V3A、5V2A中的佼佼者。
此外，还有一款12V转24V10A的升压同步整流芯片，它采用同步整流MOSFET代替传统异步变换器的续流二极管，极大地提高了电源转换效率，并支持高压大电流方案，满足各类高压设备的供电需求。
这款芯片还具有灵活的设置功能，如通过外接一个电容可设置工作频率，通过调整外部电阻可灵活调整启动和关闭电压，还具备欠压锁定功能等。
总的来说，同步整流技术在升压芯片中的应用，对于提高电源转换效率、降低能耗、优化电源管理等方面具有重要的意义。
同步整流升压控制芯片
"同步整流升压控制芯片" 是一种用于电源转换器的集成电路，通常用于直流-直流（DC-DC）升压转换器。
这类芯片的设计旨在提高电源效率，并通常包含同步整流和升压控制功能。
以下是一些可能包含在这类芯片中的关键功能：
1. **同步整流（Synchronous Rectification）：** 这是一种用于替代传统的二极管整流的技术。
在同步整流中，使用场效应晶体管（FET）代替二极管来减小转换器中的能量损失，从而提高效率。
2. **升压控制（Boost Control）：** 这部分负责确保输出电压稳定在所需的水平。
升压控制通常涉及反馈回路，根据输出电压的变化来调整开关频率或占空比，以维持稳定的输出。
3. **PWM 控制（Pulse Width Modulation）：** 通过脉宽调制，控制开关的占空比，从而控制输出电压。
4. **保护功能：** 芯片通常包括过电流保护、过温保护、短路保护等功能，以确保电源系统的稳定性和可靠性。
5. **软启动和关断功能：** 为了避免启动冲击和提高系统寿命，这些芯片通常包括软启动和关断功能。
6. **反馈回路：** 用于测量输出电压，并提供反馈以调整控制环路。
具体的同步整流升压控制芯片的功能和性能特征会因制造商和型号而有所不同。
设计工程师通常会选择适合其应用需求的芯片，以实现最佳的电源效率和性能。
外置mos管同步整流芯片
外置mos管同步整流芯片英文回答：Introduction to External MOSFET Synchronous Rectifier ICs.External MOSFET synchronous rectifier ICs are used in a wide variety of power conversion applications to improve efficiency and reduce power loss. They are typically usedin place of traditional diodes in synchronous rectification circuits, which can significantly reduce conduction losses and improve overall system efficiency.Operation of External MOSFET Synchronous Rectifier ICs.External MOSFET synchronous rectifier ICs are typically implemented using a low-side N-channel MOSFET as the main switching device. The MOSFET is driven by a control circuit that generates a complementary gate drive signal to the MOSFET, which turns on the MOSFET when the output voltageis below the input voltage and turns it off when the output voltage is above the input voltage. This allows the MOSFETto act as a synchronous rectifier, conducting current only when the output voltage is lower than the input voltage.Advantages of External MOSFET Synchronous Rectifier ICs.External MOSFET synchronous rectifier ICs offer several advantages over traditional diodes, including:Lower conduction losses: MOSFETs have much lower on-resistance than diodes, which reduces conduction losses and improves overall system efficiency.Higher switching speeds: MOSFETs can be switched onand off much faster than diodes, which reduces switching losses and improves transient response.Lower voltage drop: MOSFETs have a lower forward voltage drop than diodes, which further reduces power loss and improves system efficiency.Selection of External MOSFET Synchronous Rectifier ICs.When selecting an external MOSFET synchronous rectifier IC, several factors should be considered, including:Input voltage range: The input voltage range of the IC should be compatible with the expected range of input voltages in the application.Output current rating: The output current rating of the IC should be sufficient to handle the expected load current in the application.Switching speed: The switching speed of the IC should be fast enough to minimize switching losses and improve transient response.Conduction losses: The conduction losses of the IC should be minimized to improve overall system efficiency.Applications of External MOSFET Synchronous Rectifier ICs.External MOSFET synchronous rectifier ICs are used in a wide variety of power conversion applications, including:DC-DC converters: External MOSFET synchronousrectifier ICs can be used in both buck and boost DC-DC converters to improve efficiency and reduce power loss.AC-DC converters: External MOSFET synchronousrectifier ICs can be used in AC-DC converters to rectify the AC input voltage and provide a DC output voltage.Inverters: External MOSFET synchronous rectifier ICs can be used in inverters to generate an AC output voltage from a DC input voltage.中文回答：外置MOS管同步整流芯片介绍。
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
1.8V Minimum Input and 5. 5V Maximum Output 3A Peak Current Synchronous Boost with Output Disconnect
General Description
SY7063 is a high efficiency synchronous boost regulator that converts down to 1.8V input and up to 5.5V output voltage. It adopts NMOS for the main switch and PMOS for the synchronous switch. It can disconnect the output from input during the shutdown mode.
Absolute Maximum Ratings
Recommended Operating Conditions
AN_SY7063 Rev. 0.1
Silergy Corp. Confidential- Prepared for Customer Use Only
2
深圳昱灿电子
专业电源管理芯片 DCDC升压 降压 LDO 锂电池充电等 联系人：李先生
Figure 2. Efficiency Figure
AN_SY7063 Rev. 0.1
Silergy Corp. Confidential- Prepared for Internal Use Only
1深圳昱灿电子来自专业电源管理芯片 DCDC升压 降压 LDO 锂电池充电等 联系人：李先生
SY7063
Pinout (top view)
(QFN2x2-10)
Name PVOUT SVOUT LX PGND SGND IN EN LBI FB LBO
Top mark:UJxyz (Device code: UJ., x=year code, y=week code, z= lot number code) QFN2x2-10 Description 1 Power output pin. Decouple this pin to GND pin with at least 22uF ceramic cap. Signal output pin. Decouple this pin to GND pin with at least 1.0uF ceramic cap for noise 6 immunity consideration. 2 Inductor node. Connect an inductor between IN pin and LX pin. 3 Power ground pin. 4 Signal ground pin. 5 Signal input pin. 7 Enable pin. Internal integrated with 1Mohm pull down resistor. 8 Low battery comparator input. Feedback pin. Connect a resistor R1 between OUT and FB, and a resistor R2 between FB 10 and GND to program the output voltage. VOUT=1.2V*(R1/R2+1). 9 Low battery comparator output.(open drain) .
Ordering Information
SY7063 □(□□)□ Temperature Code Package Code Optional Spec Code Ordering Number SY7063QMC Package type QFN2x2-10 Note ----
Applications
SY7063
Electrical Characteristics
(VIN =2.4V, VOUT=5V, IOUT=500mA, TA = 25°C unless otherwise specified)
Parameter Input Voltage Output Voltage Range Quiescent Current VIN VOUT Shutdown Current Linear charge current Soft-start time Input Vin UVLO threshold Vin UVLO hysteresis EN Rising Threshold EN Falling Threshold LBI Voltage Threshold LBI Input Hysteresis Low Side Main FET RON Synchronous FET RON Main FET Current Limit Switching Frequency Feedback Reference Voltage Output over voltage protection Minimum on time Minimum off time Max on time Thermal Shutdown Temperature Thermal Shutdown hysteresis Output Discharge Resistor
Min 1.8 2.5
Typ
Max 5.25 5.5
Io=0A,VEN=VIN=1.8V, VOUT=5.0V VEN=0V, VIN=2.4V VOUT≤1V 1V<VOUT<90%VIN
10 27 0.1 1.5 1.2 1 0.1 1.2 1.176 1.2 20 36 40 500 1.2 6 100 100 2 150 20 80
Features
• • • • • • • • • •
1.8V Minimum input voltage Adjustable output voltage from 2.5V to 5. 5V 3A peak current limit Input under voltage lockout Load disconnect during shutdown Output over voltage protection Input battery voltage monitor Low RDS(ON) (main switch/synchronous switch) at 5.0V output: 36/40mohm Output auto-discharge function Compact package: QFN2x2-10
Symbol VIN VOUT IQ ISHDN ICHARGE Tss VUVLO VHYS VENH VENL VLBI VLBI_HYS RDS(ON)1 RDS(ON)2 ILIM1 fsw VREF VOVP TON_MIN TOFF_MIN TON_MAX TSD THYS RDSC
Test Conditions
•
All Single Cell Li or Dual Cell Battery Operated Products as MP-3 Player, PDAs, and Other Portable Equipment.
Typical Applications
Figure 1. Schematic Diagram
(Note 1) EN--------------------------------------------------------------------------------------------------------------------------VOUT+0.3V Other Pins-------------------------------------------------------------------------------------------------------------------------- 6V Power Dissipation, PD@ TA=25°C QFN2x2-10----------------------------------------------------------------------------2.5W Package Thermal Resistance (Note 2) θ JA ----------------------------------------------------------------------------------------------------------------50°C/W θ JC ----------------------------------------------------------------------------------------------------------------10°C/W Junction Temperature Range ---------------------------------------------------------------------------------------------- 150°C Lead Temperature (Soldering, 10 sec.) ---------------------------------------------------------------------------------- 260°C Storage Temperature Range ------------------------------------------------------------------------------------ -65°C to 150°C (Note 3) IN --------------------------------------------------------------------------------------------------------------------- 1.8V to 5.25V PVOUT, SVOUT----------------------------------------------------------------------------------------------------- 2.5V to 5.5V EN ---------------------------------------------------------------------------------------------------------------- 0V to VOUT+0.3V All other pins ---------------------------------------------------------------------------------------------------------------- 0-5.5V Junction Temperature Range ------------------------------------------------------------------------------------ -40°C to 125°C Ambient Temperature Range ------------------------------------------------------------------------------------- -40°C to 85°C