LT1129CQ-3.3#PBF - Analog Devices Inc.

Manufacturer Part Number

LT1129CQ-3.3#PBF

Manufacturer

analog-devices

Introduction

The LT1129CQ-3.3#PBF is a low-dropout linear regulator optimized for power management applications. It is specifically designed to maintain a stable, fixed output voltage of 3.3V.

Product Features and Performance

Low dropout voltage of 0.7V @ 700mA

Fixed output voltage of 3.3V

High output current up to 700mA

Power supply rejection ratio (PSRR) of 64dB at 120Hz

Control features include enable option for power management

Product Advantages

High efficiency with low quiescent current of 70 µA

Supports up to 30V input voltage

Reverse polarity and over-temperature protection for enhanced safety

Surface mount package for compact PCB design

Key Technical Parameters

Voltage - Input (Max): 30V

Voltage - Output (Min/Fixed): 3.3V

Current - Output: 700mA

Voltage Dropout (Max): 0.7V @ 700mA

Current - Quiescent (Iq): 70 µA

PSRR: 64dB (120Hz)

Quality and Safety Features

Over temperature protection

Reverse polarity protection

Compatibility

Packaged in TO-263-6, compatible with surface mounting techniques

Application Areas

Suitable for various electronic applications including consumer electronics, telecommunications, and industrial equipment

Product Lifecycle

Status: Active

The product is currently active with no indication of discontinuation, and replacements or upgrades are available as needed.

Several Key Reasons to Choose This Product

High tolerance for input voltage up to 30V, making it versatile across different applications

Low dropout facilitates efficient use even in low voltage situations

Robust safety features including over temperature and reverse polarity protection ensure reliable operation

Low quiescent current aids in power conservation, making it ideal for battery-powered devices

Compact surface mount package facilitates modern compact designs