LD39300PT-R - STMicroelectronics

Manufacturer Part Number

LD39300PT-R

Manufacturer

STMicroelectronics

Introduction

The LD39300PT-R is a low drop-out, adjustable output voltage regulator.

Product Features and Performance

Adjustable output voltage from 1.22V to 5V

Maximum input voltage of 6V

Low dropout voltage of 0.4V at 3A load

Output current capability of 3A

Low quiescent current of 5 µA

High PSRR of 65dB to 55dB between 120Hz and 1kHz

Enable control feature for power saving

Surface mount DPAK package for ease of integration

Product Advantages

High output current of 3A supports demanding applications

Low dropout voltage improves efficiency

Low quiescent current extends battery life in portable applications

Wide operating temperature range suitable for industrial applications

High power supply rejection ratio ensures stable output

Integrated protection features enhance reliability

Key Technical Parameters

Positive adjustable output configuration

One voltage regulator

Voltage dropout (Max): 0.4V @ 3A

Current - Output: 3A

Current - Quiescent (Iq): 5 µA

PSRR: 65dB ~ 55dB (120Hz ~ 1kHz)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over Current and Over Temperature protection

Compatibility

Compatible with surface mount technology and standard DPAK footprint

Application Areas

Power management in consumer electronics, computers, and industrial systems

Product Lifecycle

Obsolete status indicates the product may be discontinued

Replacement or upgrades may be limited

Several Key Reasons to Choose This Product

Ideal for high current applications due to 3A output current

Energy-efficient due to low dropout voltage and quiescent current

Suitable for harsh environments with wide operating temperature

Safe and reliable operation with built-in protection features

Enhanced output voltage stability suitable for sensitive electronics