FOD2742A Fairchild Semiconductor, FOD2742A Datasheet - Page 2

• Manufacturer Part Number: FOD2742A
• Description: Transistor Output Optocouplers Error amplifier Optocoupler
• Manufacturer: Fairchild Semiconductor

Specifications of FOD2742A

• Maximum Input Diode Current: 20 mA
• Output Device: Phototransistor
• Output Type: DC
• Configuration: 1 Channel
• Input Type: DC
• Maximum Collector Emitter Voltage: 70 V
• Maximum Collector Emitter Saturation Voltage: 0.4 V
• Isolation Voltage: 2500 Vrms
• Current Transfer Ratio: 200 %
• Maximum Forward Diode Voltage: 1.5 V
• Maximum Collector Current: 50 mA
• Maximum Power Dissipation: 145 mW
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 25 C
• Package / Case: SOIC-8 Narrow
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: FOD2742A_NL

©2003 Fairchild Semiconductor Corporation
FOD2742A, FOD2742B, FOD2742C Rev. 1.0.1
Pin Definitions
*The compensation network must be attached between pins 6 and 7.
Typical Application
Pin Number
V
1
1
2
3
4
5
6
7
8
FAN4803
Control
Pin Name
PWM
COMP
GND
LED
NC
NC
FB
C
E
Not connected
Phototransistor Collector
Phototransistor Emitter
Not connected
Ground
Error Amplifier Compensation. This pin is the output of the error amplifier.*
Voltage Feedback. This pin is the inverting input to the error amplifier
Anode LED. This pin is the input to the light emitting diode.
2
3
FOD2742
2
Functional Description
8
6
7
5
R1
R2
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V
O