pc817(光耦隔离)
合集下载
相关主题
- 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)。
DC Characteristic Device
Test Conditions
Symbol Min
Current Transfer Ratio
FOD814 FOD814A
IF = ±1 mA, VCE = 5 V1
CTR
20
50
FOD617A
IF = 10 mA, VCE = 5 V1
40
FOD617B
Functional Block Diagram
ANODE, CATHODE 1
4 COLLECTOR
ANODE 1
4 COLLECTOR
CATHODE, ANODE 2
3 EMITTER
CATHODE 2
3 EMITTER
4
FOD814
FOD617/817
1
©2005 Fairchild Semiconductor Corporation
FOD814 Series, FOD617 Series, FOD817 Series 4-Pin Phototransistor Optocouplers
■ Minimum BVCEO of 70V guaranteed
Applications
FOD814 Series ■ AC line monitor ■ Unknown polarity DC sensor ■ Telephone line interface
FOD617 and FOD817 Series ■ Power supply regulators ■ Digital logic inputs ■ Microprocessor inputs
±50
50
VR
—
6
PD
70
1.7
DETECTOR
Collector-Emitter Voltage Emitter-Collector Voltage
VCEO VECO
70
6
6 (FOD817)
7 (FOD617)
Continuous Collector Current
Collector Power Dissipation Derate above 90°C
EMITTER
Forward Voltage Reverse Leakage Current Terminal Capacitance
FOD814
(IF = ±20 mA)
VF
FOD617
(IF = 60 mA)
FOD817
(IF = 20 mA)
FOD617
(VR = 6.0 V)
IR
FOD817
FOD814 Series, FOD617 Series, FOD817 Series 4-Pin Phototransistor Optocouplers
November 2005
FOD814 Series, FOD617 Series, FOD817 Series 4-Pin Phototransistor Optocouplers
FOD817
Isolation Capacitance
FOD814
FOD617
FOD817
Test Conditions Symbol f = 60Hz, t = 1 min VISO
Min 5000
VI-O = 500 VDC
RISO
5x1010
VI-O = 0, f = 1 MHz
CISO
Typ* 1x1011
(VR = 4.0 V)
FOD814 (V = 0, f = 1 kHz)
Ct
FOD617 (V = 0, f = 1 kHz)
FOD817 (V = 0, f = 1 kHz)
—
1.2
1.4
V
— 1.35 1.65
—
1.2
1.4
— 0.001 10
µA
—
—
10
—
50
250 pF
—
30
250
—
30
250
IC
50
PC
150
2.9
Units
°C °C °C mW
mA
mW mW/°C
V V
mA mW mW/°C
2 FOD814 Series, FOD617 Series, FOD817 Series Rev. 1.0.2
www.fairchildsemi.com
FOD814 Series, FOD617 Series, FOD817 Series 4-Pin Phototransistor Optocouplers
—
—
100 nA
—
1
100
—
1
50
—
—
100
Collector-Emitter Breakdown Voltage
Emitter-Collector Breakdown Voltage
FOD814 (IC = 0.1 mA, IF = 0) BVCEO
70
—
—
V
FOD617 (IC = 100 µA, IF = 0)
63
FOD617C
100
FOD617D
160
FOD617A
IF = 1 mA, VCE = 5 V1
13
FOD617B
22
FOD617C
34
FOD617D
56
FOD817
IF = 5 mA, VCE = 5 V1
50
FOD817A
80
FOD817B
130
FOD817C
200
FOD817D
300
Collector-Emitter FOD814 Saturation Voltage FOD617
1
FOD814 Series, FOD617 Series, FOD817 Series Rev. 1.0.2
www.fairchildsemi.com
FOD814 Series, FOD617 Series, FOD817 Series 4-Pin Phototransistor Optocouplers
0.6
*Typical values at TA = 25°C
Notes 1. Current Transfer Ratio (CTR) = IC/IF x 100%. 2. For test circuit setup and waveforms, refer to page 4. 3. For this test, Pins 1 and 2 are common, and Pins 3 and 4 are common.
www.fairchildsemi.com
FOD814 Series, FOD617 Series, FOD817 Series 4-Pin Phototransistor Optocouplers
Transfer Characteristics (continued) (TA = 25°C Unless otherwise specified.)
TSTG TOPR TSOL P TOT
-55 to +150
-55 twenku.baidu.com +105
-55 to +110
260 for 10 sec
200
Continuous Forward Current Reverse Voltage Power Dissipation
Derate above 100°C
IF
Max Units Vac(rms)
—
Ω
1.0
pf
4 FOD814 Series, FOD617 Series, FOD817 Series Rev. 1.0.2
www.fairchildsemi.com
COLLECTOR POWER DISSIPATION PC (mW)
COLLECTOR POWER DISSIPATION PC (mW)
Description
The FOD814 consists of two gallium arsenide infrared emitting diodes, connected in inverse parallel, driving a silicon phototransistor output in a 4-pin dual in-line package. The FOD617/817 Series consists of a gallium arsenide infrared emitting diode driving a silicon phototransistor in a 4-pin dual in-line package.
FOD617A: 40–80%
FOD817: 50–600%
FOD617B: 63–125%
FOD817A:80–160%
FOD617C: 100–200% FOD817B: 130–260%
FOD617D: 160–320% FOD817C:200–400%
FOD814: 20–300%
FOD817D:300–600%
AC Characteristic Response Time (Rise)
Device
FOD814 FOD617 FOD817
Test Conditions
Symbol Min
VCE = 2 V, IC = 2 mA, RL = 100 Ω2
tr
—
Response Time (Fall)
FOD814 FOD617 FOD817
70
—
—
FOD817 (IC = 0.1 mA, IF = 0)
70
—
—
FOD814 (IE = 10 µA, IF = 0) BVECO
6
—
—
V
FOD617 (IE = 10 µA, IF = 0)
7
—
—
FOD817 (IE = 10 µA, IF = 0)
6
—
—
Transfer Characteristics (TA = 25°C Unless otherwise specified.)
tf
—
Typ* Max Unit
4
18 µs
3
18 µs
Isolation Characteristics
Characteristic
Device
Input-Output Isolation Voltage3
FOD814 FOD617
FOD817
Isolation Resistance
FOD814
FOD617
Electrical/Characteristics (TA = 25°C Unless otherwise specified.)
Individual Component Characteristics
Parameter
Device Test Conditions Symbol Min Typ* Max Unit
DETECTOR
Collector Dark Current
FOD814 FOD617C/
D FOD617A/
B FOD817
(VCE = 20 V, IF = 0) (VCE = 10 V, IF = 0) (VCE = 10 V, IF = 0) (VCE = 20 V, IF = 0)
ICEO
15
*Typical values at TA = 25°C
Typ* —
Max Unit 300 % 150 80 125 200 320
— 600 — 160 — 260 — 400 — 600 0.1 0.2 V — 0.4 0.1 0.2 80 — KHz
3 FOD814 Series, FOD617 Series, FOD817 Series Rev. 1.0.2
Absolute Maximum Ratings (TA = 25°C Unless otherwise specified.)
Value
Parameter
Symbol
FOD814 FOD617/817
TOTAL DEVICE
Storage Temperature Operating Temperature Lead Solder Temperature Total Power Dissipation EMITTER
IF = ±20 mA, IC = 1 mA IF = 10 mA, IC = 2.5 mA
VCE (sat) — —
FOD817
IF = 20 mA, IC = 1 mA
—
Cut-Off Frequency FOD814 VCE = 5 V, IC = 2 mA, RL = 100 Ω, -3dB fC
Features
■ AC input response (FOD814 only)
■ Applicable to Pb-free IR reflow soldering
■ Compact 4-pin package
■ Current transfer ratio in selected groups:
FOD814A: 50–150%
■ C-UL, UL and VDE approved
■ High input-output isolation voltage of 5000Vrms
■ Higher operating temperatures (versus FODXXX counterparts)