LT1129IQ - Analog Devices Inc.

Manufacturer Part Number

LT1129IQ

Manufacturer

Analog Devices

Introduction

LT1129IQ is a low dropout voltage regulator suitable for various electronic applications.

Product Features and Performance

Adjustable output voltage ranging from 3.8V to 30V

Supports up to 700mA of output current

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

Low quiescent current of 70 µA

Enable control feature for power-saving options

Over Temperature and Reverse Polarity protection for safety and durability

Product Advantages

High input voltage capability up to 30V

Very low dropout voltage of 0.7V at full load

Efficiency through low quiescent current

Robust protection features enhance product reliability

Key Technical Parameters

Maximum Input Voltage: 30V

Minimum/Adjustable Output Voltage: 3.8V

Maximum Output Voltage: 30V

Voltage Dropout (Max): 0.7V @ 700mA

Output Current: 700mA

Quiescent Current (Iq): 70 µA

Supply Current (Max): 90 mA

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

Quality and Safety Features

Equipped with Over Temperature Protection

Integrated Reverse Polarity Protection

Compatibility

Compatible with surface mount technology due to TO-263-6, D2PAK (5 Leads + Tab), TO-263BA package

DDPAK-5 Supplier Device Package supports easy incorporation into various designs

Application Areas

Ideal for power supply designs in consumer electronics

Suitable for portable and battery-powered equipment

Useful for automotive and industrial applications

Product Lifecycle

Status: Active

This product is not reported to be nearing discontinuation, replacements or upgrades should be available if needed.

Several Key Reasons to Choose This Product

High reliability with built-in safety features such as temperature and reverse polarity protection

Flexible for design purposes due to its adjustable voltage output

Efficient for power-sensitive designs because of its low dropout voltage and low quiescent current

Wide range of applications supported, from consumer electronics to industrial systems

Long product lifecycle and active status ensure ongoing support and availability