LP2981AIM5X-3.3 - Texas Instruments

Manufacturer Part Number

LP2981AIM5X-3.3

Manufacturer

Texas Instruments

Introduction

The LP2981AIM5X-3.3 is a Linear, Low Drop Out (LDO) Regulator, designed for powering sensitive circuits.

Product Features and Performance

Low Dropout: 0.37V @ 100mA

Fixed 3.3V Output

Low Quiescent Current: 95 µA

High PSRR: 63dB at 1kHz

Output Current: 100mA

Maximum Input Voltage: 16V

Over Current, Over Temperature, Short Circuit Protection

Enable Control Feature for lower power consumption

Product Advantages

High efficiency due to low dropout voltage

Suitable for battery-operated devices because of low quiescent current

Robust protection features ensure safety and reliability

Enable feature allows further reduction of power usage when not in operation

Key Technical Parameters

Voltage Input (Max): 16V

Voltage Output (Min/Fixed): 3.3V

Voltage Dropout (Max): 0.37V @ 100mA

Current Output: 100mA

Current Quiescent (Iq): 95 µA

Current Supply (Max): 1.7 mA

PSRR: 63dB (1kHz)

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Compatibility

Surface Mount Mounting Type

SOT-23-5 Package

Designed for a wide range of analog circuits and applications requiring low dropout voltages

Application Areas

Battery-powered Devices

Portable and Mobile Devices

Low-power Electronics

Microcontroller Power Supply

Product Lifecycle

Obsolete

Users should look for replacements or upgrades as this model is nearing discontinuation.

Several Key Reasons to Choose This Product

Extremely Low Dropout for improved system efficiency

High PSRR makes it ideal for noise-sensitive applications

Low quiescent current extends battery life in portable applications

Broad compatibility with various circuits due to its fixed 3.3V output

Comprehensive protection features ensure long-term reliability