KA3842A Ver la hoja de datos (PDF) - Fairchild Semiconductor

Número de pieza

componentes Descripción

Fabricante

KA3842A

SMPS Controller

Fairchild Semiconductor 

Internal Block Diagram

VREF 8

VFB 2

COMP 1

Internal

Bias

1/2 VREF

5V

SET/

VREF RESET

Good LOGIC

UVLO

Error Amp

+

-

1/3

1V

C.S

Comp.

PWM

LATCH

R

S

C.S 3

T

RT/CT 4

OSCILLATOR

7 VCC

29V

5 GND

7 PWR

VC

22V 6 OUTPUT

5 PWR

GND

2

KA3842AC/KA3842AE Rev. 1.0.1

www.fairchildsemi.com

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