Advanced Analog Technology, Inc.
AAT1203
Details are subject to change without notice
250-mA MULTI-INPUT LOW-DROPOUT REGULATOR WITH VAUX SWITCH
Description z Complete Power Management The AAT1203 is a multi-input low-dropout z Automatic Input
Voltage Selection regulator designed for LAN cards.
It provides constant output supply 3.
3V at an output capable z Input
Voltage Source Detector With Hysteresis of driving a 250-mA load.
z 250-mA Load Current Capability With The AAT1203 is equipped with regulated power VCC50 or VSB50 or AUX33 Input Source output for systems that have multiple input z Integrated Low rDS(on ) Switch sources and require constant
voltage source with a low-dropout
voltage.
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