LD29150PT33R - STMicroelectronics

Manufacturer Part Number

LD29150PT33R

Manufacturer

stmicroelectronics

Introduction

The LD29150PT33R is a low dropout (LDO) regulator designed to provide a fixed output of 3.3V with an output current of up to 1.5A. It is specifically suited for applications requiring low power consumption and a reduced dropout voltage.

Product Features and Performance

Fixed output voltage: 3.3V

Maximum output current: 1.5A

Low dropout voltage: 0.7V @ 1.5A

Good power supply rejection ratio (PSRR): 67dB at 120Hz

Control features include enable option

Protection features encompass over current and over temperature protection

Product Advantages

Low quiescent current of 180 µA, enhancing power efficiency

Robust thermal protection and current limit to ensure long-term reliability

High PSRR minimizes output noise and ripple

Key Technical Parameters

Input Voltage (Max): 14V

Output Voltage (Min/Fixed): 3.3V

Current Quiescent (Iq): 180 µA

Current Supply (Max): 80 mA

Quality and Safety Features

Over current and over temperature protection mechanisms

Designed for optimal thermal performance across a wide operating temperature range of -40°C to 125°C

Compatibility

Compatible with surface mount technology for easier PCB design and manufacturing

Mounting Type: Surface Mount

Package / Case: TO-252-5, DPAK (4 Leads + Tab), TO-252AD

Application Areas

Ideal for power management in consumer electronics, automotive applications, and industrial systems

Product Lifecycle

Status: Obsolete

Note: Users must consider alternative or updated solutions as this model is discontinued.

Several Key Reasons to Choose This Product

High efficiency and reliability for demanding applications

Low dropout feature supports applications with tight voltage requirements

Extended operating temperature suitable for a wide range of environments

Enhanced safety features protect against system failures

Small form factor suitable for compact designs