FOD2743CSD 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FOD2743CSD

Optically Isolated Error Amplifier

Fairchild Semiconductor 

Pin Definitions

Pin Number

Pin Name

Pin Description

1

LED

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

2

COMP

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

3

GND

Ground

4

FB

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

5

NC

Not connected

6

E

Phototransistor Emitter

7

C

Phototransistor Collector

8

NC

Not connected

*The compensation network must be attached between pins 2 and 4.

Typical Application

FAN4803

V1

PWM

Control

FOD2743

7

1

2

6

4

3

VO

R1

R2

©2004 Fairchild Semiconductor Corporation

FOD2743A, FOD2743B, FOD2743C Rev. 1.0.1

2

www.fairchildsemi.com

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