RT8284GSP 데이터 시트보기 (PDF) - Richtek Technology

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RT8284GSP

2A, 23V, 340kHz Synchronous Step-Down Converter

Richtek Technology 

Function Block Diagram

RT8284

VIN

Internal

Regulator

Oscillator

Shutdown

Comparator VA VCC

1.2V +

Foldback

Control

-

0.5V +

Lockout

5k

Comparator

EN

-

-

UV

Comparator

2.7V +

3V

VCC

6µA

SS

+

0.923V +

-

Error Amp

Current Sense

Slope Comp Amplifier

+

VA

-

SQ

+

-

RQ

Current

Comparator

130mΩ

130mΩ

BOOT

SW

GND

FB

COMP

DS8284-01 March 2011

www.richtek.com

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