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TPPM0302 Datasheet 400-ma Low-dropout Regulator

Manufacturer: Texas Instruments

Overview: TPPM0302 400-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT AND POK SLVS316 – NOVEMBER 2000 D Automatic Input Voltage Source Selection D Glitch-Free Regulated Output D 5-V Input Voltage Source Detector With Hysteresis D 400-mA Load Current Capability With 5-V or 3.3-V Input Source D Power OK Feature Based on Voltage Supervisor of 3.3VOUT D Low rDS(on) Auxiliary Switch D Thermally Enhanced PowerPAD™ Packaging Concept for Efficient Heat Management 5VAUX 5VCC 3.3VOUT 3.

General Description

The TPPM0302 is a low-dropout regulator with auxiliary power management that provides a constant 3.3-V supply at the output capable of driving a 400-mA load.

The TPPM0302 provides a regulated power output for systems that have multiple input sources and require a constant voltage source with a low-dropout voltage.

This is a single output, multiple input, intelligent power source selection device with a low-dropout regulator for either 5VCC or 5VAUX inputs, and a low-resistance bypass switch for the 3.3VAUX input.

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