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LP2981 Datasheet 100-mA Ultra-Low Dropout Regulators

Manufacturer: Texas Instruments

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General Description

The LP2981 is a fixed-output, low-dropout (LDO) voltage regulator supporting an input voltage range from 2.5 V to 16 V (for new chip only) and up to 100 mA of load current.

The LP2981 supports an output range of 1.2 V to 5.0 V (new chip).

Additionally, the LP2981 (new chip) has a 1% output accuracy across load and temperature that can meet the needs of low-voltage microcontrollers (MCUs) and processors.

Overview

LP2981, LP2981A SLVS521H – JULY 2004 – REVISED DECEMBER 2023 LP2981 100-mA, Low-Dropout Regulator in SOT-23 Package.

Key Features

  • Input Voltage (VIN) Range:.
  • Legacy chip: 2.2 V to 16 V.
  • New chip: 2.5 V to 16 V.
  • Output Voltage (VOUT) Range: 1.2 V to 5.0 V.
  • Output Voltage (VOUT) Accuracy:.
  • ±0.75% for A-Grade legacy chip.
  • ±1.25% for standard-grade legacy chip.
  • ±0.5% for new chip (A grade and standard grade).
  • Output Voltage (VOUT) accuracy over load, and temperature: ±1% (new chip).
  • Output current: Up to 100 mA.
  • Low IQ (new chi.

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