AT1303

Preliminary Product Information
MicroPower Step-Up DC/DC Converter


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
Features
• Low Start-Up from below 1.0V
• Low Input Quiescent Current(Switching Off
Current for 3.3V output) : 60µA (typ.)
• High Output Voltage Accuracy ±2.0%
• Small Number of External Components needed
• Output Voltage from 1.2V to 5.5V
• Space Saving MSOP-8 or TSSOP8 package

Applications
• Personal Digital Assistant (PDA)
• Digital Camera
• Portable Audio (MP3)
• Electronic Game
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.


Block Diagram



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