LT1129CST-3.3#PBF - Analog Devices Inc.

Manufacturer Part Number

LT1129CST-3.3#PBF

Manufacturer

Analog Devices

Introduction

Low Dropout Linear Regulator for Power Management Applications

Product Features and Performance

Linear Voltage Regulation

Fixed 3.3V Output

Single Regulator Configuration

700mA Output Current

Low Dropout Voltage: 0.7V at 700mA

High PSRR: 64dB at 120Hz

70 µA Quiescent Current

Product Advantages

High Efficiency due to Low Dropout

Stable with Low ESR Capacitors

Thermal and Reverse Polarity Protection

Key Technical Parameters

Input Voltage Max: 30V

Output Voltage: 3.3V

Output Current: 700mA

Dropout Voltage (Max): 0.7V

Quiescent Current (Iq): 70 µA

Supply Current (Max): 90 mA

Power Supply Rejection Ratio (PSRR): 64dB

Quality and Safety Features

Over Temperature Protection

Reverse Polarity Protection

Compatibility

Compatible with Various Input Voltage Levels up to 30V

Ideal for SOT-223-3 Surface Mount

Application Areas

Consumer Electronics

Computing Devices

Industrial Controls

Telecommunications

Product Lifecycle

Active Status

Not Nearing Discontinuation

Replacements or Upgrades Available

Several Key Reasons to Choose This Product

Low Dropout Enhances Efficiency

High Output Current Capabilities of 700mA

Supports Wide Range of Input Voltage up to 30V

Low Quiescent Current for Power-Saving Applications

Robust Protection Features Ensure Longevity and Safety

High PSRR for Better Noise Suppression

Universal Compatibility with Surface Mounting

Consistent Performance across Wide Temperature Range 0°C to 125°C