LT1129CQ-3.3#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LT1129CQ-3.3#TRPBF

Manufacturer

Analog Devices

Introduction

Low Dropout Linear Regulator for Power Management Applications

Product Features and Performance

Low Dropout Voltage: 0.7V at 700mA Load

Output Voltage: Fixed 3.3V

Maximum Input Voltage: 30V

Current Output: 700mA

Quiescent Current: 70 µA

Supply Current: Max 90 mA

Power Supply Rejection Ratio: 64dB at 120Hz

Product Advantages

High Efficiency due to Low Dropout

Stable with Low ESR Output Capacitors

Low Quiescent Current for Battery-Powered Applications

Key Technical Parameters

Voltage Dropout: Max 0.7V at 700mA

Number of Regulators: 1

PSRR: 64dB at 120Hz

Control Features: Enable

Protection Features: Over Temperature, Reverse Polarity

Quality and Safety Features

Over Temperature Protection

Reverse Polarity Protection

Compatibility

Compatible with Surface Mount Technology

Mounting Type: Surface Mount

Application Areas

Consumer Electronics

Telecommunication Systems

Portable Devices

Computer Systems

Product Lifecycle

Status: Active

Available for new designs and long-term production

Several Key Reasons to Choose This Product

Regulator suitable for a wide range of input voltages up to 30V

Fixed output simplifies circuit design

High level of integration with protection features

Low quiescent current enhances battery life

High PSRR for noise-sensitive applications

Industry-standard TO-263-6 (D2PAK) package for easy manufacturing and thermal management

Active product status ensures ongoing production and support