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AT1303

Preliminary Product Information

MicroPower Step-Up DC/DC Converter

Features

鈥?Low Start-Up from below 1.0V

鈥?Low Input Quiescent Current(Switching Off

Current for 3.3V output) : 60碌A (typ.)

鈥?High Output Voltage Accuracy

鹵2.0%

鈥?Small Number of External Components needed

鈥?Output Voltage from 1.2V to 5.5V

鈥?Space Saving MSOP-8 or TSSOP8 package

General Description

The AT1303 is a high efficiency current mode

PWM step-up DC/DC converter with light load

control for applications using battery-powered

system. The device will automatically skip

switching cycles under light load condition to

maintain high efficiency at light load. The small

MSOP-8 or TSSOP-8 packages make the AT1303

an ideal choice of DC/DC Converter for space

conscious applications.

Applications

鈥?Personal Digital Assistant (PDA)

鈥?Digital Camera

鈥?Portable Audio (MP3)

鈥?Electronic Game

Block Diagram

Aimtron reserves the right without notice to change this circuitry and specifications.

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

WWW:

http://www.aimtron.com.tw

Fax: 886-3-563-0879

Email:

service@aimtron.com.tw

1

05/05/26

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