LP38856SX-1.2 - Texas Instruments

Manufacturer Part Number

LP38856SX-1.2

Manufacturer

Texas Instruments

Introduction

The LP38856SX-1.2 is a high-performance, low dropout linear regulator from Texas Instruments, designed for power management applications.

Product Features and Performance

Regulates output voltage at a fixed 1.2V

Maximum input voltage of 5.5V

Capable of delivering 3A output current

High power supply rejection ratio (PSRR) ranging from 80dB to 65dB between 120Hz and 1kHz

Features very low dropout voltage of 0.45V at full load

Product Advantages

High output current capacity

Low quiescent current of 300 µA enhancing power efficiency

Robust thermal performance with an operational temperature range from -40°C to 125°C

Key Technical Parameters

Input Voltage (Max): 5.5V

Output Voltage (Min/Fixed): 1.2V

Current - Output: 3A

Voltage Dropout (Max): 0.45V @ 3A

PSRR: 80dB ~ 65dB (120Hz ~ 1kHz)

Quality and Safety Features

Over Current, Over Temperature, Short Circuit, and Under Voltage Lockout (UVLO) protection

High operational thermal range ensuring stability in varying environments

Compatibility

Surface Mount TO-263-6, D2PAK (5 Leads + Tab), TO-263BA packaging compatible

Application Areas

Suitable for a wide range of power management applications in electronics

Product Lifecycle

Status: Obsolete

Check for available replacements or necessary upgrades

Several Key Reasons to Choose This Product

High output capacity of 3A suitable for high-demand applications

Low dropout rate ensures efficiency even at full load

Integrated multiple protection features for enhanced safety and durability

Excellent PSRR for minimal noise in power-sensitive circuits

Low quiescent current minimizes power losses during idle conditions