LP2981IM5X-3.3 - Texas Instruments

Manufacturer Part Number

LP2981IM5X-3.3

Manufacturer

Texas Instruments

Introduction

The LP2981IM5X-3.3 is a linear, low-dropout voltage regulator designed for power management applications.

Product Features and Performance

Positive output configuration

Fixed output voltage of 3.3V

Single regulator design

7 mA maximum supply current

63dB Power Supply Rejection Ratio (PSRR) at 1kHz

Enable control feature for power savings

Product Advantages

Minimal voltage dropout of 0.37V at 100mA load

Very low quiescent current of 95 µA

Robust protection features including over current, over temperature, and short circuit protections

Key Technical Parameters

Input voltage up to 16V

100mA output current capability

Operating temperature range -40°C to 125°C

Quality and Safety Features

Built-in over current protection

Over temperature protection

Short circuit protection ensures safety and reliability

Compatibility

Surface mount compatible with SC-74A, SOT-753 package

Fits supplier device package SOT-23-5

Application Areas

Ideal for battery-powered equipment

Suitable for portable and mobile devices

May be used in microcontroller power supply designs

Product Lifecycle

Product status is obsolete

Potential future availability of replacement or upgrade products should be verified with the manufacturer

Several Key Reasons to Choose This Product

Low dropout voltage ideal for low-voltage applications

Energy-efficient with high PSRR and low quiescent current

Compact SOT-23-5 package for space-constrained applications

Durable and reliable performance across a wide temperature range

Comprehensive protection features enhance circuit safety