A8205SLH - Allegro MicroSystems

A8205SLH LOW-DROPOUT REGULATORS . HIGH EFFICIENCY

8205 PRELIMINARY INFORMATION (subject to change without notice) December 6, 1999 NC OR ADJ* OUT LOW-DROPOUT REGULATORS — HIGH EFFICIENCY Designed specifically to meet the requirement for extended operation of battery-powered equipment such as cordless and cellular telephones, the A8205SLH voltage regulators offer the reduced dropout voltage and quiescent cu.

Features

I High Efficiency Provides Extended Battery Life I 75 mV Typical Dropout Voltage at IO = 100 mA I 55 µA Typical Quiescent Current Less Than 1 µA “Sleep” Current I Low Output Noise I 200 mA Peak Output Current I Improved PSRR and Transient Performance APPLICATIONS I I I I Cordless and Cellular Telephones Personal Data Assistants Personal Communicators Palmtop Computers Always order by complete part number, e.g., A8205SLH-xx , where “xx” is the required output voltage in tenths or “ADJ” for adjustable. 8205 LOW-DROPOUT REGULATORS FUNCTIONAL BLOCK DIAGRAM IN 1 5 OUT ADJUST 4 BIAS DRI.