LP3961EMPX-1.8 - Texas Instruments

Manufacturer Part Number

LP3961EMPX-1.8

Manufacturer

Texas Instruments

Introduction

Low dropout regulator for power-sensitive applications

Product Features and Performance

Positive output configuration

Fixed output type

Single regulator

Low dropout voltage of 0.35V @ 800mA

High output current capability of 800mA

Low quiescent current of 9 mA

Surface mount, SOT-223-5 package

Product Advantages

High efficiency for battery-powered devices

Stable operation with low dropout voltage

Thermal and over-current protection enhances safety

Key Technical Parameters

Input Voltage (Max): 7V

Output Voltage (Min/Fixed): 1.8V

Output Current: 800mA

Voltage Dropout (Max): 0.35V

Quiescent Current (Iq): 9 mA

Supply Current (Max): 15 mA

Enable control feature

Quality and Safety Features

Over Current protection

Over Temperature protection

Short Circuit protection

Compatibility

Surface Mount compatible

TO-261-5, TO-261AB case type compatibility

Application Areas

Suitable for battery-powered devices, portable electronics, and low-power applications

Product Lifecycle

Obsolete status

Replacement or upgrade options may be limited

Several Key Reasons to Choose This Product

Ideal for low voltage applications requiring up to 800mA

Beneficial for designs with space constraints due to its SOT-223-5 package

Provides stable output with minimal dropout at high currents

Supports energy-efficient designs with low quiescent current

Robust safety features protect against common electrical issues