LT1129IST-3.3#PBF - Analog Devices Inc.

Manufacturer Part Number

LT1129IST-3.3#PBF

Manufacturer

Analog Devices

Introduction

The LT1129IST-3.3#PBF is a low dropout linear voltage regulator designed specifically for power management applications in electronics.

Product Features and Performance

Single channel output

Fixed output voltage of 3.3V

Maximum Input Voltage of 30V

Maximum Dropout Voltage of 0.7V at 700mA load

Output current up to 700mA

Low quiescent current of 70 µA

High PSRR of 64dB at 120Hz

Built-in features for enabling control

Over-temperature and reverse polarity protection

Product Advantages

High efficiency with low dropout voltage

Stable output with excellent line and load regulation

Enhanced durability with built-in protection features

Low power consumption in idle state

Key Technical Parameters

Output Configuration: Positive

Voltage Input (Max): 30V

Voltage Output (Min/Fixed): 3.3V

Current Output: 700mA

Voltage Dropout (Max): 0.7V at 700mA

Current Quiescent (Iq): 70 µA

PSRR: 64dB at 120Hz

Quality and Safety Features

Over Temperature Protection

Reverse Polarity Protection

Compatibility

Compatible with surface mount technology

Suitable for TO-261-4, TO-261AA packaging styles

Application Areas

Ideal for use in consumer electronics, telecommunications, and industrial controls

Product Lifecycle

Status: Active

Not nearing discontinuation

Replacement or upgrade options available upon request

Several Key Reasons to Choose This Product

Robust performance under varying electrical conditions

Low operational costs due to high efficiency and low quiescent current

Reliable performance with built-in safety features

Versatile usage across multiple applications and industries

Long product lifecycle with continued manufacturer support