LD39100PURY - STMicroelectronics

Manufacturer Part Number

LD39100PURY

Manufacturer

stmicroelectronics

Introduction

The LD39100PURY is a high-performance, adjustable Low Drop-Out (LDO) voltage regulator part of the Power Management Integrated Circuits (PMICs) category, specifically designed to deliver stable output with a wide input voltage range.

Product Features and Performance

Adjustable output voltage from 0.8V to 4.6V

Maximum output current of 1A

Low dropout voltage of 0.4V at 1A

Quiescent current of 50 µA

Maximum supply current of 300 µA

Power supply rejection ratio (PSRR) of 70dB to 65dB between 1kHz and 10kHz

Features include Enable and Power Good for sophisticated control

Protection against over current, over temperature, and short circuit

Product Advantages

Wide operating voltage range suitable for various applications

High efficiency with low dropout performance

Minimal quiescent current enhances battery life in portable applications

Comprehensive protection features ensure reliability and safety

Automotive-grade quality and AEC-Q100 qualification

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 0.8V

Voltage Output (Max): 4.6V

Voltage Dropout (Max): 0.4V @ 1A

Current Output: 1A

Current Quiescent (Iq): 50 µA

PSRR: 70dB ~ 65dB (1kHz ~ 10kHz)

Quality and Safety Features

Over current protection

Over temperature protection

Short circuit protection

AEC-Q100 qualification for automotive applications

Compatibility

Compatible with a wide range of input voltages for versatile applications

Surface Mount 6-VDFN Exposed Pad package for easy integration into various circuit designs

Application Areas

Automotive systems

Battery-powered devices

Portable electronics

Power management systems

Product Lifecycle

Status: Active

Not nearing discontinuation, ensuring long-term availability

Replacements or upgrades are available if needed

Several Key Reasons to Choose This Product

Broad input voltage range and adjustable output for versatility

Low dropout performance for efficient power use

Comprehensive protection features for enhanced safety and reliability

AEC-Q100 automotive qualification ensures high standards

Extremely low quiescent current beneficial for battery-powered applications

Support for complex control setups with Enable and Power Good features