FOD2741A 查看數據表（PDF） - Fairchild Semiconductor

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FOD2741A

Optically Isolated Error Amplifier

Fairchild Semiconductor 

Pin Definitions

Pin Number Pin Name

Pin Description

1

NC

Not connected

2

C

Phototransistor Collector

3

E

Phototransistor Emitter

4

NC

Not connected

5

GND

Ground

6

COMP

Error Amplifier Compensation. This pin is the output of the error amplifier.*

7

FB

Voltage Feedback. This pin is the inverting input to the error amplifier

8

LED

Anode LED. This pin is the input to the light emitting diode.

*The compensation network must be attached between pins 6 and 7.

Typical Application

FAN4803

V1

PWM

Control

FOD2741

2

8

6

3

7

5

VO

R1

R2

©2004 Fairchild Semiconductor Corporation

FOD2741A, FOD2741B, FOD2741C Rev. 1.0.1

2

www.fairchildsemi.com

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