LD39020ADTPU28R - STMicroelectronics

Manufacturer Part Number

LD39020ADTPU28R

Manufacturer

stmicroelectronics

Introduction

The LD39020ADTPU28R is a low dropout (LDO) voltage regulator, designed for stable and efficient operation, especially in power management applications.

Product Features and Performance

Low dropout voltage of 0.35V at 200mA

Fixed output voltage of 2.8V

Quiescent current of 40 µA

Power supply rejection ratio (PSRR) of 80dB at 1kHz to 55dB at 100kHz

Operates with input voltages up to 5.5V

Output current capacity of 200mA

Product Advantages

High efficiency due to low dropout performance

Low quiescent current extends battery life in portable applications

Stable output with excellent PSRR characteristics

Key Technical Parameters

Input voltage (Max): 5.5V

Output voltage (Fixed): 2.8V

Dropout voltage (Max): 0.35V @ 200mA

Output current: 200mA

Quiescent current (Iq): 40 µA

PSRR: 80dB ~ 55dB (1kHz ~ 100kHz)

Quality and Safety Features

Protection from over current and over temperature conditions

Includes a soft start mechanism to prevent power surges

Compatibility

Surface mount 4-XDFN Exposed Pad package

Designed for use with a wide range of electronic devices

Application Areas

Ideal for mobile devices, personal electronics, and battery-powered systems

Product Lifecycle

Current Status: Active

The product is in active production with no current plans for discontinuation, ensuring long-term availability and support.

Several Key Reasons to Choose This Product

Optimal power management for battery-operated devices due to low quiescent current

Highly reliable with built-in protection features

Suited for a wide range of operating temperatures from -40°C to 125°C

Robust PSRR ensures stable operation despite variations in input voltage

Compact and small surface mount package for space-sensitive applications