L5981TR - STMicroelectronics

Manufacturer Part Number

L5981TR

Manufacturer

stmicroelectronics

Introduction

The L5981TR is a high-efficiency, step-down (buck) DC-DC switching regulator from STMicroelectronics. It is designed to provide a stable and adjustable output voltage from an input voltage range of 2.9V to 18V, making it suitable for a wide variety of applications.

Product Features and Performance

Output voltage adjustable from 0.6V to 18V

Output current up to 1A

Switching frequency range of 250kHz to 1MHz

High efficiency of up to 95%

Low quiescent current of 30μA

Thermal shutdown and current limit protection

Integrated compensation network for stable operation

Small 8-VFDFN Exposed Pad package (3x3mm)

Product Advantages

Wide input voltage range accommodates various power sources

Adjustable output voltage provides flexibility for different system requirements

High efficiency and low quiescent current contribute to improved energy savings

Comprehensive protection features ensure reliable and safe operation

Compact package size enables space-efficient board designs

Key Reasons to Choose This Product

Excellent power conversion efficiency for enhanced system performance and battery life

Versatile input and output voltage range to meet diverse application needs

Robust protection features to ensure reliable and safe operation

Small package size enables compact and space-optimized system designs

Quality and Safety Features

Thermal shutdown protection

Current limit protection

Overcurrent protection

Undervoltage lockout

Compatibility

The L5981TR is compatible with a wide range of electronic devices and systems that require a stable and adjustable DC power supply, such as:

Portable electronics

Industrial equipment

Automotive applications

Telecommunications equipment

Medical devices

Application Areas

Power supplies for portable electronics

Industrial control systems

Automotive electronics

Telecommunications infrastructure

Medical equipment

Product Lifecycle

The L5981TR is an active product. There are no immediate plans for discontinuation. However, as technology evolves, customers are advised to consult with our website's sales team for the latest product availability and any potential alternative or equivalent models that may be available.