LP2981AIM5-3.3 - Texas Instruments

Manufacturer Part Number

LP2981AIM5-3.3

Manufacturer

Texas Instruments

Introduction

Low Dropout Regulator for Power Management Applications

Product Features and Performance

Positive Fixed Output Voltage of 3.3V

Low Dropout Voltage of 0.37V at 100mA Load

100mA Output Current Capability

Excellent Power Supply Rejection Ratio of 63dB at 1kHz

Quiescent Current of 95 µA

Maximum Input Voltage of 16V

Product Advantages

High efficiency with Low Dropout Voltage

Stable with Low Quiescent Current for power savings

Simple design with minimal External Components

Key Technical Parameters

Single Output LDO Regulator

Input Voltage up to 16V

Fixed Output Voltage of 3.3V

100mA Output Current

95 µA Quiescent Current

37V Dropout Voltage at 100mA load

PSRR of 63dB at 1kHz

Enable Control Feature

Operating Temperature Range from -40°C to 125°C

Quality and Safety Features

Protection against Over Current

Protection against Over Temperature

Protection against Short Circuit

Compatibility

Surface Mount SC-74A, SOT-753 Package

Compatible with SOT-23-5 Device Package

Application Areas

Portable Electronic Devices

Battery-Powered Equipment

Microprocessor Power Supply

Product Lifecycle

Obsolete Product Status

Consult Manufacturer for Replacement or Upgrade Options

Several Key Reasons to Choose This Product

Highly Reliable with Built-in Protection Features

Energy Efficient for Battery-Powered Solutions

Compact Surface Mount Package Suitable for Space-Constrained Applications

Low Dropout for Better Performance in Low Vin Situations

Wide Operating Temperature Making it Ideal for Industrial Applications

Strong PSRR for Cleaner Voltage in Noisy Environments