AT1305
Preliminary Product Information
PFM Step-Up DC/DC Converter with LDO
Features
•
Start-Up from 1.0V
•Adjustable
100mA Output with 1 or 2-cell
Battery input.
•
1.8V/3.0V/3.3V/250mA Output with USB
Power input.
•
Small Number of External Components needed
•
Load Disconnects from Input in Shutdown
•
Power good output
•
32µA Quiescent(Switch OFF) Supply current
•
1µA Shutdown Mode Supply current
•
8-Pin TSSOP package
General Description
The AT1305 is a PFM step-up DC/DC converter
with LDO for applications using 1 cell battery and
USB applications. Besides, the 32µA low
quiescent current together with high efficiency
maintains long battery life time. It provides a
constant output voltage for inputs that vary above
and below the output voltage.
Applications
•
Power source for battery-powered equipment
•
Power source for cameras, camcorders, VCRs,
PDAs, electronic data banks, and hand-held
Communication equipment
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
GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
