RT8293BLGSP View Datasheet(PDF) - Richtek Technology

Part Name

Description

MFG CO.

RT8293BLGSP

3A, 23V, 1.2MHz Synchronous Step-Down Converter

Richtek Technology 

Function Block Diagram

RT8293B

VIN

Internal

Regulator

Oscillator

Shutdown

Comparator VA VCC

1.2V +

Foldback

Control

-

0.4V +

Lockout

5k

Comparator

EN

-

-

UV

Comparator

2.7V +

3V

VCC

6µA

SS

0.8V

+

-+EA

Current Sense

Slope Comp Amplifier

+

VA

-

SQ

+

-

RQ

Current

Comparator

85mΩ

85mΩ

BOOT

SW

GND

FB

COMP

DS8293B-03 March 2011

www.richtek.com

3

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