MB3776A Ver la hoja de datos (PDF) - Fujitsu

Número de pieza

componentes Descripción

Lista de partido

MB3776A

Switching Regulator Controller

Fujitsu 

s BLOCK DIAGRAM

MB3776A

VCC

OSC

3

7

CTL 2

Reference

voltage

1.25 V

0.6 V

0.1 V

Internal bias &

reference voltage

Error Amp.

-IN 1

-

X 100

+

36 kΩ

FB 8

0.5 V

470 Ω

Saw-tooth

waveform

0.1 V

P. W. M. Comp

-

+

Output drive

+

control

D. T. C. ( 0.6 V)

6

GND

IS ∝ IB

Is

30 kΩ

5 OUT

4 IB

3

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