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TPPM0301 Datasheet 400-ma Low-dropout Regulator

Manufacturer: Texas Instruments

Overview: 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 Low rDS(on) Auxiliary Switch D Thermally Enhanced Packaging Concept for Efficient Heat Management TPPM0301 400-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT SLVS315 – SEPTEMBER 2000 D PACKAGE (TOP VIEW) 5VAUX 1 5VCC 2 3.3VOUT 3 3.

General Description

The TPPM0301 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 TPPM0301 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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