8188 Datasheet (Allegro MicroSystems) - LOW-DROPOUT REGULATORS

8188, LOW-DROPOUT REGULATORS

8188 PRELIMINARY INFORMATION (subject to change without notice) July 13, 1999 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 A8188S 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 deliver a regulated

8188 Features

* I High Efficiency Provides Extended Battery Life I 90 mV Typical Dropout Voltage at IO = 60 mA I 55 µA Typical Quiescent Current Less Than 1 µA “Sleep” Current I 250 mA Peak Output Current I Improved PSRR and Transient Performance I Internal Thermal Protection APPLICATIONS I I I I Cordless and Ce