LD39050PU25R - STMicroelectronics

Manufacturer Part Number

LD39050PU25R

Manufacturer

STMicroelectronics

Introduction

The LD39050PU25R is a part of STMicroelectronics' power management integrated circuits, specifically designed as a low drop-out (LDO) regulator. This device is tailored for efficient voltage regulation, ensuring stable operation across various applications.

Product Features and Performance

Low dropout voltage: 0.4V @ 500mA load

Output voltage: Fixed at 2.5V

Maximum input voltage: 5.5V

Output current capability: 500mA

Quiescent current: 50 µA

Supply current (Max): 200 µA

PSRR: 65dB ~ 62dB from 1kHz to 10kHz

Control features include Enable and Power Good signals

Protection features against over current, over temperature, and short circuit conditions

High-temperature operation up to 125°C

Product Advantages

High efficiency at low dropout voltages

Low quiescent current enhances battery life in portable applications

High PSRR ensures stable output despite varying input voltages

Comprehensive protection features enhance product reliability

Small footprint 6-DFN (3x3) package for space-sensitive applications

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 2.5V

Current Output: 500mA

Current Quiescent (Iq): 50 µA

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

Quality and Safety Features

Over current protection

Over temperature protection

Short circuit protection

Designed for operation in temperatures ranging from -40°C to 125°C

Compatibility

Surface Mount technology allows for broad compatibility with modern PCB manufacturing processes.

Application Areas

Portable and battery-powered devices

Microcontroller power supply

Analog and digital sensor supply

Consumer electronics

Product Lifecycle

Status: Active product

Not nearing discontinuation, ensuring long-term availability

Several Key Reasons to Choose This Product

STMicroelectronics' reputation for reliability and performance

Low dropout voltage facilitates efficient use in low-voltage applications

Low quiescent current is ideal for battery-powered applications

High PSRR maintains stable output in noisy environments

Robust protection features ensure long operational life

Compact package suitable for space-constrained applications