LD39130SJ33R - STMicroelectronics

Manufacturer Part Number

LD39130SJ33R

Manufacturer

STMicroelectronics

Introduction

The LD39130SJ33R is a high-performance low dropout linear regulator.

Product Features and Performance

LDO Voltage Regulator

Fixed 3.3V output

Low dropout of 0.3V at 300mA

High PSRR of 70dB at 1kHz

300mA output current capability

Low quiescent current of 45 µA

Enable function for power-saving mode

Soft start feature to reduce inrush current

Product Advantages

High efficiency for power-sensitive applications

Low dropout for better performance in low voltage conditions

Stable output with excellent transient response

Key Technical Parameters

Input Voltage Max 5.5V

Output Voltage 3.3V

Current Output 300mA

Voltage Dropout Max 0.3V

Quiescent Current 45 µA

PSRR 70dB @ 1kHz

Quality and Safety Features

Over current protection

Over temperature protection

Soft start to prevent current spikes

Compatibility

Surface Mount compatible

Compatible with 4-UFBGA, FCBGA package devices

Application Areas

Consumer Electronics

Portable and battery-powered devices

Microcontroller power supply

Networking and Telecom

Product Lifecycle

Product Status: Active

No near discontinuation

Replacements or upgrades available as new technologies emerge

Several Key Reasons to Choose This Product

Efficient power management for portable devices

Minimal power loss with low dropout

High-quality and reliability with built-in safety features

Extended battery life due to low quiescent current

Easy integration in space-constrained designs due to small package size