LP3873ESX-1.8 - Texas Instruments

Manufacturer Part Number

LP3873ESX-1.8

Manufacturer

Texas Instruments

Introduction

Low-Dropout Regulator designed for power management

Product Features and Performance

Positive output configuration

Fixed voltage output of 1.8V

Single regulator integration

High PSRR of 73dB to 57dB at 120Hz

Surface mount TO-263-6, D2PAK package

Over Current, Over Temperature, Short Circuit protection

Enable feature for controlled usage

Product Advantages

Low dropout voltage of 1.2V at 3A load

Efficient quiescent current of just 9mA

Robust operating temperature range from -40°C to 125°C

Key Technical Parameters

Input Voltage (Max): 7V

Output Voltage (Min/Fixed): 1.8V

Output Current: 3A

Quiescent Current (Iq): 9 mA

Supply Current (Max): 15 mA

Dropout Voltage: 1.2V @ 3A

Quality and Safety Features

Built-in Over Current protection

Thermal Over Temperature protection

Short Circuit safeguard

Compatibility

Compatible with multiple applications requiring a stable 1.8V output

Application Areas

Used in power-sensitive electronics requiring low voltage drops and regulated output

Product Lifecycle

Obsolete status with the need to seek replacements or upgrades

Key Reasons to Choose This Product

Dependable LDO for critical power stability requirements

High output current capability for demanding applications

Comprehensive protection features ensure long-term reliability

Ideal for high-performance industrial and commercial equipment

Good noise performance for sensitive electronic devices

Supports smooth operation across a wide range of temperatures