L7981ATR - STMicroelectronics

Manufacturer Part Number

L7981ATR

Manufacturer

STMicroelectronics

Introduction

The L7981ATR from STMicroelectronics is a versatile step-down (buck) switching regulator designed for power management applications.

Product Features and Performance

Step-Down (Buck) topology

Adjustable output voltage

Single output channel

Input voltage range from 4.5V to 28V

Output voltage range from 0.6V to 28V

Output current capability of 3A

Adjustable switching frequency from 250kHz to 1MHz

Operating temperature range from -40°C to 150°C

Product Advantages

Highly efficient power conversion

Wide input and output voltage range suitable for various applications

Flexible switching frequency for optimization of efficiency and component size

High-temperature operational capability

Key Technical Parameters

5V Min. Input Voltage

28V Max. Input Voltage

6V Min. Output Voltage

28V Max. Output Voltage

3A Output Current

250kHz to 1MHz Switching Frequency

Operating Temperature Range -40°C to 150°C

8-SOIC Package with Exposed Pad

Quality and Safety Features

Built-in thermal protection

Robust operation in extreme temperatures

Compatibility

Surface Mount Technology (SMT) compatible for modern PCB assembly

Compatible with a wide range of input and output voltages

Application Areas

Consumer Electronics

Industrial Controls

Telecommunication Equipment

Portable Devices

Product Lifecycle

Active product lifecycle status

No immediate discontinuation, replacements, or upgrades indicated

Several Key Reasons to Choose This Product

Efficient power conversion for enhanced battery life and reduced heat

Flexible design for use in a wide variety of electronic applications

Robust thermal performance ensures reliability in varying environments

Easy integration with Surface Mount Technology (SMT) for streamlined manufacturing

STMicroelectronics' reputation for quality and reliability in power management solutions