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LP2978 Datasheet Micropower SOT/ 50 mA Low-Noise Ultra Low-Dropout Regulator

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: LP2978 Micropower SOT, 50 mA Low-Noise Ultra Low-Dropout Regulator July 2000 LP2978 Micropower SOT, 50 mA Low-Noise Ultra Low-Dropout Regulator Designed for Use with Very Low ESR Output.

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General Description

The LP2978 is a 50 mA, fixed-output voltage regulator designed to provide ultra low-dropout and low noise in battery powered applications.

Using an optimized VIP™ (Vertically Integrated PNP) process, the LP2978 delivers unequalled performance in all specifications critical to battery-powered designs: Dropout Voltage: Typically 120 mV @ 50 mA load, and 7 mV @ 1 mA load.

Ground Pin Current: Typically 350 µA @ 50 mA load, and 75 µA @ 1 mA load.

Key Features

  • n n n n n n n n n n n n n Ultra low dropout voltage Smallest possible size (SOT-23 Package) Requires minimum external components Stable with low-ESR output capacitor < 1 µA quiescent current when shut down Low ground pin current at all loads Output voltage accuracy 1% (A Grade) High peak current capability Wide supply voltage range (16V max) Low ZOUT: 0.3Ω typical (10 Hz to 1 MHz) Overtemperature/overcurrent protection.
  • 40˚C to +125˚C junction temperature range Custom voltages available.

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