LT1129IS8-3.3#PBF - Analog Devices Inc.

Manufacturer Part Number

LT1129IS8-3.3#PBF

Manufacturer

Analog Devices

Introduction

Low Dropout Linear Regulator with Enhanced Power Management Capabilities

Product Features and Performance

Linear Voltage Regulation for Stable Output

Positive Output Configuration

Fixed 3.3V Output Voltage

700mA Output Current

Low Dropout Voltage of 0.7V at Full Load

70 µA Quiescent Current for Power Saving

High PSRR of 64dB at 120Hz Reducing Output Noise

Enable Control Feature for System Power Management

Surface Mount 8-SOIC Package

Product Advantages

High Efficiency for Low Voltage Applications

Compact 8-SOIC Package Saves Board Space

Low Quiescent Current Extends Battery Life in Portable Devices

Built-In Protection Features Enhance Safety

High PSRR for Low Output Noise and Stable Operation

Key Technical Parameters

Input Voltage up to 30V

Fixed Output Voltage at 3.3V

Maximum Output Current of 700mA

Dropout Voltage 0.7V

Quiescent Current 70 µA

Supply Current Max 90 mA

Power Supply Rejection Ratio 64dB at 120Hz

Temperature Range -40°C to 125°C

Quality and Safety Features

Protection Against Over Temperature Conditions

Reverse Polarity Protection

Reliability for Industrial Temperature Ranges

Compatibility

Compatible with Positive Fixed Output Applications

Suitable for Surface Mount Technology

Application Areas

Portable Electronics

Battery-Powered Devices

Microprocessor Power Supplies

Peripheral Power Supplies

Product Lifecycle

Active Status

Not Nearing Discontinuation

Availability of Replacements or Upgrades

Reasons to Choose This Product

Energy Efficient Operation for Battery-Dependent Devices

Robust Safety Features Minimize Downtime

Suitable for High-Performance Industrial Applications

Easy to Integrate into Various Circuit Designs

Continued Product Support and Longevity