LT1129CST-5#PBF - Analog Devices Inc.

Manufacturer Part Number

LT1129CST-5#PBF

Manufacturer

Analog Devices

Introduction

The LT1129CST-5#PBF is a low dropout linear regulator from Analog Devices designed to deliver a fixed output of 5V with an output current up to 700mA.

Product Features and Performance

Low dropout voltage: 0.7V at 700mA

Output current: 700mA

Quiescent current: 70 µA

Supply current (max): 90 mA

Power Supply Rejection Ratio (PSRR): 64dB at 120Hz

Control features include Enable

Protection features: Over Temperature and Reverse Polarity

Operating temperature range: 0°C to 125°C

Product Advantages

High efficiency due to low dropout voltage

Minimal power loss

Suitable for battery-powered devices due to low quiescent current

Enhanced circuit protection through built-in temperature and polarity safeguards

Key Technical Parameters

Input Voltage (Max): 30V

Output Voltage (Min/Fixed): 5V

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

Compatible with various applications requiring a fixed 5V output up to 700mA

Mounting Type: Surface Mount

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

Application Areas

Power management for microprocessors

Battery-powered equipment

Consumer electronics

Product Lifecycle

Currently active

No indication of discontinuation

Continued support with replacements and upgrades available

Several Key Reasons to Choose This Product

Reliable performance in a wide temperature range from 0°C to 125°C

Highly efficient with low dropout voltage feature

Compact package suitable for space constrained applications

Built-in safety features ensuring circuit protection

Low quiescent current ideal for battery preservation in portable devices