LD39100PU33RY - STMicroelectronics

Manufacturer Part Number

LD39100PU33RY

Manufacturer

stmicroelectronics

Introduction

The LD39100PU33RY is a low-dropout (LDO) voltage regulator designed specifically for power management applications, providing a fixed output voltage of 3.3V from an input voltage up to 5.5V.

Product Features and Performance

Low Dropout: 0.4V @ 1A, ensuring efficient operation

High Output Current: 1A, suitable for demanding applications

Low Quiescent Current: 50 µA, enhancing power efficiency

High PSRR: 65dB ~ 62dB (1kHz ~ 10kHz), ensuring stable output

Output Configuration: Positive, Fixed output type

Control Features: Enable and Power Good for enhanced control

Single Regulator Design, simplifying circuit implementation

Product Advantages

High Efficiency and Reliability in Automotive Applications

AEC-Q100 Qualified for automotive use

Compact 6-VDFN Exposed Pad Package, saving board space

Integrated Protection Features: Over Current, Over Temperature, Short Circuit

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 3.3V

Current Output: 1A

Voltage Dropout (Max): 0.4V @ 1A

Current Quiescent (Iq): 50 µA

Quality and Safety Features

Over Current, Over Temperature, and Short Circuit Protection

Automotive Grade (AEC-Q100 Qualified)

Compatibility

Compatible with a wide range of applications requiring 3.3V

Surface Mount Technology for straightforward PCB integration

Application Areas

Automotive Electronics

Embedded Systems

Power Management Solutions

Product Lifecycle

Status: Active, indicating ongoing production and support

No indication of nearing discontinuation, ensuring long-term availability

Several Key Reasons to Choose This Product

High reliability and performance, suitable for automotive applications

Low dropout and quiescent current, ensuring energy efficiency

Comprehensive protection features safeguarding the circuitry

Compact and easy to integrate into various designs

AEC-Q100 qualification underlines its suitability for stringent automotive standards