LT1129CST-3.3#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LT1129CST-3.3#TRPBF

Manufacturer

Analog Devices

Introduction

Low Dropout Linear Voltage Regulator

Product Features and Performance

Stable output voltage 3.3V

Input voltage up to 30V

Low dropout voltage 0.7V at 700mA

Output current capacity of 700mA

Quiescent current 70 µA

High PSRR 64dB at 120Hz

Enabled control feature

Product Advantages

Efficient power delivery for low voltage applications

Low dropout enhances battery life

Steady output under varying load conditions

Minimal power loss in quiescent state

Key Technical Parameters

Input Voltage (Max): 30V

Output Voltage (Fixed): 3.3V

Dropout Voltage (Max): 0.7V@700mA

Output Current: 700mA

Quiescent Current (Iq): 70 µA

Supply Current (Max): 90 mA

PSRR: 64dB

Quality and Safety Features

Over Temperature Protection

Reverse Polarity Protection

Compatibility

Surface Mount TO-261-4, TO-261AA package compatible with SOT-223-3 footprints

Application Areas

Consumer Electronics

Telecommunications

Portable Devices

Microprocessor Systems

Product Lifecycle

Active stage with no reported discontinuation

Availability of replacements or upgrades should be checked with manufacturer

Several Key Reasons to Choose This Product

Reliable fixed output for consistent performance

Extended operational temperature range 0°C to 125°C

High integration suitable for compact designs

Low power consumption benefits battery-dependent applications

Robust protection features ensure longevity and safety

High PSRR for reduced noise in sensitive circuits