Datasheet > G5410

G5410

更新时间： 2024-11-13 23:53:23

品牌	Logo	应用领域
其他 - ETC		转换器
页数	文件大小	规格书
12页	372K
描述
Low noise Quasi-PWM / PFM Asynchronous Step Down Converter.\|PWM Control Series

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G5410 数据手册

Global Mixed-mode Technology Inc.

G5410

Low noise Quasi-PWM/PFM Asynchronous Step

Down Converter

Features

General Description

The G5410 is a low-noise, Quasi PWM/PFM, DC-DC

step-down converter. It powers low voltage logic and

core in small portable systems such as cellular phones,

communicating PDAs, and handy-terminals.

^ꢀ+2.8V to +6V Input Range

^ꢀAdjustable Output from 0.5V to V_CC–1V

^ꢀ3A Guaranteed Output Current

^ꢀ95% Efficiency

The device features an internal MOSFET driver to be

high efficiency buck DC/DC converter. Excellent noise

characteristics and near fixed frequency operation

provide easy post-filtering. The G5410 is ideally suited

for Li-Ion battery applications. It is also useful for +3V

or +5V fixed input applications. The device automatic

operates in two modes for higher efficiency. PWM

mode operates at a fixed frequency regardless of the

load. PFM Mode extends battery life by switching to a

pulse-skipping mode during light loads, it reducing

quiescent supply current to under 30µA.

^ꢀVery Low Quiescent Current: 30uA(Typ.)

^ꢀ100% Duty Cycle for low dropout mode

^ꢀ600kHz +-30% Quasi PWM Operation.

^ꢀSmall, 6-Pin SOT23 Package

Applications

ꢀDesktop and Notebook Computers

ꢀLAN Servers

ꢀIndustrial Controls

ꢀPDA

ꢀDigital Still Camera

ꢀCentral Office Telecom Equipment

The G5410 can deliver over 3A. The output voltage

can be adjusted from 0.5V to V_CC-1V by external ref-

erence with the input range of +2.8V to +6V. Other

features of the G5410 include high efficiency, low

dropout mode (100% duty) at input low voltage stage.

It is available in a space-saving 6-pin SOT23-6 pack-

age

Ordering Information

Part*

Temp. range

Pin-package

G5410

-40°C to +85°C

SOT23-6

Pin Configuration

Typical Operating Circuit

G5410

VCC

VDD

VREF

GND

0.1µF

100µF

VCC

VDD

DRV

VDD

Si3347

VREF

GND

G5410

VCC

0.1µF

5µH

0.1µF

VOUT

SOT 23-6

10K

220µF

470pF

Ver 0.1 Preliminary

Jul 11, 2002

TEL: 886-3-5788833

http://www.gmt.com.tw

12 3 4 5 6 7...12

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