AP1503 데이터 시트보기 (PDF) - Anachip Corporation

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AP1503

300Khz, 2.5A PWM Buck DC/DC Converter

Anachip Corporation 

300Khz, 2.5A PWM Buck DC/DC Converter

AP1503

Ordering Information

AP1503 XX X X X

Output version

-33 : 3.3V

Block Diagram

Package

S : SOP-7L

Lead Free

Packing

Blank : Normal

Blank : Tube

L : Lead Free Package A : Taping

SD

Current

Source

bias

1.235V

Reference

2.5V

Regulator

Start

up

200mV

220mV

+

Com_p

VIN

Comp

+

VB

+

Frequecy

FB

_Amp

compen-

sation

Comp

+

Pre-driver

3A

Switch

300kHz

OSC.

Thermal

Limit

VO

GND

COMP

Anachip Corp.

www.anachip.com.tw

Rev.A3 Mar. 11 2004

2/5

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