L7981A - STMicroelectronics

Manufacturer Part Number

L7981A

Manufacturer

stmicroelectronics

Introduction

The L7981A is a high-efficiency, step-down switching regulator capable of delivering up to 3A of output current. It operates from an input voltage range of 4.5V to 28V and can produce an adjustable output voltage from 0.6V to 28V. The device features current-mode control, which provides fast transient response and good loop stability. The L7981A also includes built-in protection features such as overcurrent, overvoltage, and thermal shutdown.

Product Features and Performance

High efficiency: up to 95% typical

Wide input voltage range: 4.5V to 28V

Adjustable output voltage: 0.6V to 28V

Output current capability: up to 3A

Switching frequency: 250kHz to 1MHz, adjustable

Current-mode control for fast transient response

Built-in overcurrent, overvoltage, and thermal shutdown protection

Small, thermally-enhanced 8-pin SOIC package

Product Advantages

High efficiency to minimize power losses and heat generation

Wide input and output voltage range for versatile applications

Adjustable switching frequency for optimization of size and efficiency

Comprehensive protection features for reliable operation

Compact package size for space-constrained designs

Key Reasons to Choose This Product

Exceptional power conversion efficiency for improved system performance and reduced energy consumption

Flexible voltage and current capabilities to meet a wide range of application requirements

Robust protection features ensure safe and reliable operation in diverse operating conditions

Small package size enables compact and space-efficient power supply designs

Quality and Safety Features

Compliance with relevant industry standards and safety regulations

Rigorous quality control and testing during the manufacturing process

Robust design and construction for reliable long-term performance

Compatibility

The L7981A is compatible with a wide range of electronic devices and systems that require a high-efficiency, step-down power supply, including:

Industrial equipment

Automotive electronics

Consumer electronics

Telecommunications equipment

Medical devices

Application Areas

Power supplies for industrial and automation equipment

Power conversion in automotive electronics

Power management in consumer electronics

Telecommunications infrastructure

Medical and healthcare devices

Product Lifecycle

The L7981A is an active product and is currently in production. There are no known plans for discontinuation at this time. While there may be equivalent or alternative models available from other manufacturers, it is recommended that customers contact our website's sales team for the most up-to-date information on product availability and compatibility.