LD39100PU33R - STMicroelectronics

Manufacturer Part Number

LD39100PU33R

Manufacturer

stmicroelectronics

Introduction

The LD39100PU33R is a high-performance, low dropout linear regulator tailored for stable operation in power management applications. Suitable for various electronics thanks to its 3.3V fixed output and 1A current capacity.

Product Features and Performance

Low dropout voltage of 0.4V at 1A

Fixed output voltage of 3.3V

Maximum input voltage of 5.5V

Single regulator output

Excellent PSRR of 65dB to 62dB between 1kHz and 10kHz

Low quiescent current of 50µA

Maximum supply current of 300µA

Product Advantages

High efficiency due to low dropout performance

Stability and reliability in a wide range of operating temperatures

Compact 6-DFN (3x3) package saves space

Key Technical Parameters

Output Type: Fixed

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 3.3V

Voltage Dropout (Max): 0.4V @ 1A

Current Output: 1A

Current Quiescent (Iq): 50 µA

Quality and Safety Features

Overcurrent protection

Overtemperature protection

Short circuit protection

Compatibility

Compatible with surface mount technology for easier assembly

Application Areas

Consumer Electronics

Power Management Systems

Computers and Computer Peripherals

Product Lifecycle

Currently active with no announced discontinuation

Long term availability expected

Several Key Reasons to Choose This Product

Efficient power usage and minimal heat generation

Works effectively across a broad temperature range

Easy integration into existing designs with surface mount packaging

Robust protection features ensure long operational life

Optimal performance for power-sensitive applications with high PSRR and low quiescent current