LD39100PU18RY - STMicroelectronics

Manufacturer Part Number

LD39100PU18RY

Manufacturer

stmicroelectronics

Introduction

A low drop-out (LDO) voltage regulator designed for optimal power management and efficiency.

Product Features and Performance

Positive output configuration with fixed output type

Single regulator design optimized for simplicity and efficiency

Low voltage dropout of 0.4V at 1A load, ensuring minimal power loss

Supports up to 1A current output for robust performance

Features exceptionally low quiescent current of 50 µA, enhancing battery life in portable applications

Maximum supply current of 300 µA for reduced power consumption

PSRR of 65dB to 62dB between 1kHz and 10kHz for stable output amidst fluctuations

Includes Enable and Power Good control features for enhanced operation control

Over Current, Over Temperature, and Short Circuit protection for increased safety and reliability

Suitable for operating temperatures ranging from -40°C to 125°C, accommodating a wide range of environments

Product Advantages

Automotive grade quality with AEC-Q100 qualification, ensuring reliability in automotive applications

Compact surface mount 6-VDFN Exposed Pad package for space-efficient designs

High-quality power delivery with excellent power supply rejection ratio

Low quiescent current and dropout voltage contribute to energy efficiency

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 1.8V

Current Output: 1A

Voltage Dropout (Max): 0.4V @ 1A

PSRR: 65dB ~ 62dB (1kHz ~ 10kHz)

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

Integrated protection against overcurrent, overheating, and short circuits

Automotive grade with stringent quality controls

Compatibility

Designed for automotive applications but versatile for use in other power-sensitive applications

Application Areas

Automotive electronics

Portable devices

Power management modules

Product Lifecycle

Currently marked as Active, with no immediate discontinuation notice, ensuring availability and support

Replacements or upgrades should be assessed as product technology evolves

Several Key Reasons to Choose This Product

Highly efficient LDO with low voltage dropout, suited for energy-sensitive projects

High reliability and safety standards, including automotive-grade qualification

Low quiescent current optimizes power usage for battery-driven applications

Versatile temperature and voltage range, suitable for a wide array of applications