AT1305

www.DataSheet4U.com AT1305 Preliminary Product Information PFM Step-Up DC/DC Converter with LDO Features 0.8V Low Start-Up Input Voltage Up to 90%Efficiency Adjustable 100mA Output with 1 Alkaline Cell or 200mA Output with 2 Alkaline Cell Battery input. 1.8V/3.0V/3.3V/300mA 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 or 2 Cell Alkaline 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 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: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 2/8/2006 REV:1.1 Email: [email protected] 1 AT1305 Preliminary Product Information PFM Step-Up DC/DC Converter with LDO Pin Configuration Ordering Information Part number AT1305 AT13...