LD39100PUR - STMicroelectronics

Manufacturer Part Number

LD39100PUR

Manufacturer

stmicroelectronics

Introduction

The LD39100PUR is a high-performance, adjustable Low Drop Out (LDO) voltage regulator designed for power management applications.

Product Features and Performance

Adjustable output voltage from 0.8V to 4.6V

Low dropout voltage: 0.4V @ 1A load

High PSRR: 70dB to 65dB between 1kHz and 10kHz

Low quiescent current: 50 µA

Output current capability: 1A

Over current, over temperature, and short circuit protection

Enable and Power Good control features for enhanced power management

Operates within a wide temperature range of -40°C to 125°C

Product Advantages

High efficiency for power-sensitive applications

Precision output voltage for reliable performance

Minimal external components required due to integrated features

Robust protection mechanisms ensure product longevity

Low power consumption in idle mode for energy-saving

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

Current Supply (Max): 300 µA

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

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Compatibility

Compatible with a wide range of input voltages up to 5.5V

Suitable for various applications due to adjustable output voltage feature

Application Areas

Consumer Electronics

IoT devices

Portable applications

Networking equipment

Industrial and automotive applications

Product Lifecycle

Status: Active

Not nearing discontinuation, ensuring long-term availability

Replacements or upgrades should be discussed with the manufacturer as technology evolves

Several Key Reasons to Choose This Product

High efficiency and performance for power management applications

Versatile application due to wide input and adjustable output voltage range

Robust safety features protecting against common electrical issues

Low quiescent current enhances battery life in portable devices

High reliability and longevity supported by stmicroelectronics reputation