AT1305 Datasheet, PDF (1/13 Pages) Aimtron Technology – PFM Step-Up DC/DC Converter with LDO

AT1305
Preliminary Product Information
PFM Step-Up DC/DC Converter with LDO
Features
General Description
• 0.8V Low Start-Up Input Voltage
The AT1305 is a PFM step-up DC/DC converter
• Up to 90%Efficiency
with LDO for applications using 1 Cell or 2 Cell
• Adjustable 100mA Output with 1 Alkaline Cell Alkaline battery and USB applications. Besides,
or 200mA Output with 2 Alkaline Cell the 32µA low quiescent current together with high
Battery input.
efficiency maintains long battery life time. It
• 1.8V/3.0V/3.3V/300mA Output with USB
provides a constant output voltage for inputs that
Power input.
vary above and below the output voltage.
• 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
Applications
• MP3
• 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.
7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone] Fax: [phone]
WWW: http://www.aimtron.com.tw
2/8/2006 REV:1.1
Email: [e-mail]
1