LP3981IMM-3.0 - Texas Instruments

Manufacturer Part Number

LP3981IMM-3.0

Manufacturer

Texas Instruments

Introduction

Low Dropout Regulator for Power Management Applications

Product Features and Performance

Fixed 3V Output Voltage

Dropout Voltage of 0.2V at 300mA Load

Current Output of 300mA

Quiescent Current of 120 µA

Supply Current of 210 µA

PSRR of 50dB to 55dB between 1kHz and 10kHz

Enable Control Feature

Surface Mount Package

Suitable for a Variety of Electronic Circuits

Product Advantages

High Power Supply Ripple Rejection

Low Dropout Voltage for Improved Efficiency

Stable Operation with Low Quiescent Current

Enable Feature for Power Saving

Over Current and Over Temperature Protection

Short Circuit Protection

Key Technical Parameters

Number of Regulators: 1

Voltage - Input (Max): 6V

Voltage - Output (Min/Fixed): 3V

Voltage Dropout (Max): 0.2V @ 300mA

Current - Output: 300mA

PSRR: 50dB ~ 55dB (1kHz ~ 10kHz)

Operating Temperature Range: -40°C ~ 125°C

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Compatibility

Compatible with Surface Mount Technology

Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

Application Areas

Consumer Electronics

Telecommunications

Computing Devices

Industrial Controls

Product Lifecycle

Obsolete Status

Alternative Options May Be Available

Several Key Reasons to Choose This Product

Optimal Performance for Power Sensitive Applications

Energy Efficient with Low Operational Current

High Reliability with Built-in Safety Features

Wide Operating Temperature Range Making It Versatile for Various Environments

High PSRR Minimizes Voltage Fluctuations from the Power Supply

Easy Integration into Circuit Design with Surface Mount Package