LT1129IST-3.3#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LT1129IST-3.3#TRPBF

Manufacturer

analog-devices

Introduction

The LT1129IST-3.3#TRPBF is a low-dropout (LDO) linear regulator designed for Power Management, offering stable, reliable power supply with minimal power dissipation.

Product Features and Performance

Low Dropout Voltage: 0.7V at 700mA load

Output Voltage: Fixed at 3.3V

Quiescent Current: 70 µA, minimizing stand-by power consumption

Output Current: Capable of supplying up to 700mA

PSRR: 64dB at 120Hz, ensuring good ripple rejection

Protection Features: Includes Over Temperature and Reverse Polarity protections

Control Features: Enable feature for power saving

Operating Temperature Range: -40°C to 125°C, suitable for various environments

Product Advantages

High Power Supply Rejection Ratio (PSRR) enhances performance in noisy environments.

Low drop-out and quiescent current contribute to efficient power usage and longer battery life.

Comprehensive protection features safeguard the device against adverse conditions.

Wide operating temperature range ensures reliability across various operating conditions.

Key Technical Parameters

Voltage Input (Max): 30V

Voltage Dropout (Max): 0.7V @ 700mA

Current Output: 700mA

Current Quiescent (Iq): 70 µA

Current Supply (Max): 90 mA

PSRR: 64dB (120Hz)

Quality and Safety Features

Over Temperature Protection enhances reliability and extends product life.

Reverse Polarity Protection prevents potential damage from incorrect power supply connection.

Compatibility

Mounting Type: Surface Mount

Package / Case: TO-261-4, TO-261AA

Compatible with a wide range of electronic circuits due to its fixed output voltage and high current capability.

Application Areas

Consumer Electronics

Portable Devices

Automotive Applications

Industrial Systems

Telecommunication Infrastructure

Product Lifecycle

Status: Active

Continuously supported with no near-term discontinuation, ensuring long-term availability.

Several Key Reasons to Choose This Product

High PSRR for noise-sensitive applications.

Low dropout voltage facilitates efficient operation at close input-output voltage differentials.

Robust protection features enhance system reliability.

Low quiescent current aids in power saving, making it ideal for battery-powered applications.

Broad compatibility and application areas highlight its versatility.

The product's active lifecycle status ensures reliability and support for future projects.