A8222SLH Datasheet - Allegro MicroSystems

A8222SLH LOW-DROPOUT REGULATORS . HIGH EFFICIENCY

8220 THRU 8233 PRELIMINARY INFORMATION (subject to change without notice) January 18, 2000 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 A8220SLH thru A8233SLH voltage regulators offer the reduced dropout voltage and quiescent current essential for maximum battery life. Applicable also to palmtop computers and personal data assistants, these devices .

A8222SLH Features

* I High Efficiency Provides Extended Battery Life I 125 mV Typical Dropout Voltage at IO = 50 mA I 32 µA Typical Quiescent Current Less Than 1 µA “Sleep” Current I Low Output Noise I 100 mA Peak Output Current I Improved PSRR and Transient Performance APPLICATIONS I I I I Cordless and Cellular Tel

A8222SLH_AllegroMicroSystems.pdf