LTC3119IUFD#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3119IUFD#TRPBF

Manufacturer

Analog Devices

Introduction

The LTC3119 is a versatile buck-boost switching regulator, optimized for efficient operation across a wide range of supply voltages and load conditions.

Product Features and Performance

Versatile step-up/step-down topology

Adjustable output voltage range from 0.8V to 18V

Supports input voltages from 2.5V to 18V

Maximum output current of 5A

Switching frequency adjustable from 400kHz to 2MHz

Synchronous rectification for improved efficiency

Capable of operating over a broad temperature range from -40°C to 125°C

Product Advantages

Maintains stable output voltage over varying input conditions

High efficiency across diverse operational scenarios

Suitable for battery-powered applications due to low input voltage capability

Key Technical Parameters

Voltage Input (Min): 2.5V

Voltage Input (Max): 18V

Voltage Output (Min/Fixed): 0.8V

Voltage Output (Max): 18V

Current Output: 5A

Frequency Switching: 400kHz ~ 2MHz

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over-temperature protection

Over-current protection

Built-in thermal shutdown

Compatibility

Compatible with a wide range of input and output voltages for use in various circuit configurations

QFN packaging for easy surface mount applications

Application Areas

Portable and battery-operated electronics

Automotive power supplies

Industrial power systems

Distributed power systems

Product Lifecycle

Status: Active

Not nearing discontinuation

Future replacement or upgrades are available

Several Key Reasons to Choose This Product

High flexibility for use in multiple applications due to buck-boost capability

Supports extremely wide range of input and output voltages

High efficiency reduces power loss and heat generation

Robust temperature and protection features ensure reliability in harsh conditions

Compact QFN packaging simplifies PCB design