LP3883ESX-1.2 - Texas Instruments

Manufacturer Part Number

LP3883ESX-1.2

Manufacturer

Texas Instruments

Introduction

The LP3883ESX-1.2 is a fixed output, low dropout (LDO) regulator designed to deliver a 1.2V fixed output from an input up to 5.5V, with a maximum current output of 3A.

Product Features and Performance

Supports up to 5.5V input

Fixed 1.2V output voltage

Maximum output current of 3A

Low dropout voltage of 0.42V at 3A

Stable with low-ESR capacitors

High PSRR: 80dB at 120Hz to 65dB at 1kHz

Product Advantages

High efficiency due to low dropout voltage

Excellent load and line regulation

Fast transient response

Key Technical Parameters

Voltage - Input (Max): 5.5V

Voltage - Output (Min/Fixed): 1.2V

Voltage Dropout (Max): 0.42V at 3A

Current - Output: 3A

Current - Quiescent (Iq): 30 µA

Current - Supply (Max): 8 mA

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

Quality and Safety Features

Built-in over current protection

Over temperature protection

Short circuit protection

Compatibility

Compatible with surface mount technology

Suitable for TO-263 (DDPAK-5) package

Application Areas

Computing systems

Telecommunication infrastructure

Consumer electronics

Networking equipment

Product Lifecycle

Status: Last Time Buy

Availability of replacements or upgrades to be checked with manufacturer

Several Key Reasons to Choose This Product

Highly energy efficient with low quiescent current (30 µA)

Supports a wide input voltage range, up to 5.5V

Capable of delivering 3A continuous current suitable for high current applications

Robust protection features ensure reliability and safety in operation

Excellent Power Supply Rejection Ratio enhances performance in noisy environments

Ideal for space-constrained applications due to compact TO-263 package