LT1129CS8-5#PBF - Analog Devices Inc.

Manufacturer Part Number

LT1129CS8-5#PBF

Manufacturer

Analog Devices

Introduction

The LT1129CS8-5#PBF is a low drop-out (LDO) regulator designed by Analog Devices for power management applications. It is known for providing stable and reliable voltage regulation with a fixed output.

Product Features and Performance

Fixed 5V output voltage with a maximum input voltage of 30V

Capable of delivering up to 700mA output current

Low dropout voltage of 0.7V at 700mA load

Quiescent current of 70 µA and a maximum supply current of 90 mA

PSRR of 64dB at 120Hz, ensuring stable output despite input noise

Includes control features such as enable function for better power management

Over Temperature and Reverse Polarity protection for enhanced safety

Operating temperature range from 0°C to 125°C, suitable for various environments

Surface Mount, 8-SOIC package for compact circuit designs

Product Advantages

High efficiency in voltage regulation due to low dropout

Robust protection features increase product reliability

Low quiescent current enhances power efficiency for battery-operated devices

Easily controllable with enable feature for flexible power management

Key Technical Parameters

Voltage Input (Max): 30V

Voltage Output (Min/Fixed): 5V

Current Output: 700mA

Voltage Dropout (Max): 0.7V @ 700mA

Quiescent Current (Iq): 70 µA

PSRR: 64dB (120Hz)

Quality and Safety Features

Over Temperature protection prevents damage from overheating

Reverse Polarity protection guards against incorrect power connection

Compatibility

The 8-SOIC (0.154", 3.90mm Width) package is compatible with standard SMD mounting techniques

Suitable for diverse applications requiring stable and efficient power regulation

Application Areas

Consumer Electronics

Industrial Controls

Portable Battery-powered Devices

Microprocessor Power Supply

Telecommunications Equipment

Product Lifecycle

Currently active and available product

No immediate discontinuation, ensuring long-term availability and support

Several Key Reasons to Choose This Product

Reliable and efficient voltage regulation from a reputable manufacturer

Low dropout and quiescent current for improved battery life in portable applications

Robust safety features for increased product reliability

Versatile, supporting a wide range of applications due to stable performance across temperatures

Active product status ensures ongoing support and availability