RT8278GSP Ver la hoja de datos (PDF) - Richtek Technology

Número de pieza

componentes Descripción

Fabricante

RT8278GSP

2A, 24V, 3MHz Step-Down Converter

Richtek Technology 

Function Block Diagram

VIN

Internal

Regulator

1µA

Oscillator

VA VCC

Foldback

Control

10k

EN

-

0.4V +

1V +

-

UV

3V

Shutdown

Comparator

Comparator

0.8V +

EA

-

Current Sense

Slope Comp Amplifier

+

-

SQ

+

-

RQ

Current

Comparator

+

0.8V

-

FB

COMP RT

RT8278

VA

BOOT

SW

GND

DS8278-02 March 2011

www.richtek.com

3

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