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1362BN

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描述
Synchronous Buck Converter With Power Good Detector & LDO

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1362BN 数据手册

Global Mixed-mode Technology Inc.

AT1362A/B/C

Synchronous Buck Converter With Power Good

Detector & LDO

Features

General Description

The AT1362A/B/C provides complete control for a

DC/DC converter optimized for hight-performance mi-

croprocessor applications. It consists of a synchronous

step-down DC/DC converter and a high-speed LDO

regulator connected in series with the DC/DC con-

verter output. A power good detector and LDO

ON/OFF control is also built-in(metal option). DC/DC

converter is operated on current mode architecture for

excellent line and load transient response. 1MHz op-

eration frequency is allowing the use of small surface

mount inductor and capacitor. The internal synchro-

nous switch increases efficiency and eliminates the

need for an external schottky diode. The AT1362A/B/C

is a family of low-noise synchronous step-down

DC/DC converters that is ideally suited for systems

powered form a 1-cell Li-ion battery or from a 3-cell to

4-cell NiCd, NiMH, or alkaline battery. It can also be

used to USB-based power system.

Operation Voltage 2.5V~6.0V

Oscillation frequency 1MHz

Output Current Maximum 400mA（DC-DC Con-

verter）

Built-In 400mA/LDO

Power Good Indicator with Time Delay Ad-

justable

Built-In Current Limit

Built-In UVLO

Built-In Thermal ShutDown

Applications

Power Supply for Slim Type devices

Ordering Information

Part Number

Package

TDFN3X3-10,Green

B:AT1362BN C:AT1362CN

Marking

1362 N

：

A:AT1362AN

： Date Code

*For more marking information, contact our sales representative directly

Pin Assignment

AT1362A AT1362B AT1362C

DC/DC

2.5V

DC/DC

1.8V

DC/DC

1.2V

AT1362

LDO

3.3V

LDO

3.3V

LDO

3.3V

TDFN3X3-10 (TOP VIEW)

TEL: 886-3-5788833

http://www.gmt.com.tw

Ver: 1.0

May 22, 2008

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