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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 3.3VAUX
DGN PACKAGE (TOP VIEW)
1
8
2
7
3
6
4
5
NC – No connect
NC GND NC POK
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.