AT9911 Global Mixed-mode Technology 1A Low Dropout Regulator Features General Description 2.5V Options Over Current and Over Temperature Protection 400mV Dropout @1A MLCC Capacitance Stable TO-252 Package The AT9911 is a high performance positive voltage regulator designed for use in applications requiring very low dropout voltage at up to 1 Amps. The AT9911 provides excellent regulation over variations in line, load and temperature. AT9911 is stable with minimum 4.7µF MLCC (X5R) output capacitor. Applications The AT9911 is available with 2.5V internally preset outputs. Battery Powered Systems Motherboards Peripheral Cards Set Top Boxes Notebook Computers Ordering Information ORDER NUMBER MARKING VOLTAGE TEMP. RANGE PACKAGE (Green) AT9911-25T45U A9911-25 2.5V -40°C ~ +85°C TO-252 Note: T4: TO-252 5: Bonding Code U : Tape & Reel Pin Configuration Typical Application Circuit AT9911 AT9911 Top View 1 2 3 VIN GND VO VIN VIN VO VO C1 4.7µF GND C2 10µF TO-252 TEL: 886-3-5788833 http://www.gmt.com.tw Ver: 0.2 Apr 19, 2012 1