NJU7677 View Datasheet(PDF) - Japan Radio Corporation

Part Name

Description

Manufacturer

NJU7677

1.8V Operate PWM control Step-Up / Flyback switching regulator IC

Japan Radio Corporation  

NJU7677

■BLOCK DIAGRAM

V+

FB

IN-

1V Vref

ER⋅AMP

Soft Start

Latch

UVLO

SCP

1V

2µA

SCP

2kΩ

1V

0.5

A

RT

DTC

0.65V

0.15V

OSC

0.5V

PW M

Buffer

OUT

0.6V

RT

RT

GND

-2-

Ver.2009-09-08

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