L4973D5.1-013TR - STMicroelectronics

Manufacturer Part Number

L4973D5.1-013TR

Manufacturer

STMicroelectronics

Introduction

The L4973D5.1-013TR is a versatile and efficient step-down, or buck, voltage regulator designed for managing power within electronic circuits.

Product Features and Performance

Adjustable step-down voltage regulator

Buck topology offering simplification of design for power conversion

Single output channel

Able to operate at high temperatures up to 150°C (TJ)

Integrates over current and thermal protection features

Product Advantages

Wide input voltage range from 8V to 55V supports various power sources

Flexible output voltage settings with a fixed minimum of 5.1V

A substantial output current of up to 3.5A for high power applications

Switching frequency flexibility between 100kHz and 300kHz to optimize efficiency and component size

High-temperature operation suitable for industrial applications

Key Technical Parameters

Voltage - Input (Min/Max): 8V to 55V

Voltage - Output (Min/Fixed): 5.1V

Voltage - Output (Max): 50V

Current - Output: 3.5A

Frequency - Switching: 100kHz to 300kHz

Number of Outputs: 1

Output Type: Adjustable (Fixed)

Quality and Safety Features

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

Incorporates protection against overcurrent and overheating

Compatibility

Designed for surface mount technology (SMT)

Compatible with 20-SOIC package (0.295", 7.50mm Width)

Application Areas

Used in power management for a wide range of electronic devices including IoT, consumer electronics, and industrial control systems

Product Lifecycle

Currently active product status, no indication of nearing discontinuation

Supports design longevity with availability for the foreseeable future

Several Key Reasons to Choose This Product

A reliable step-down voltage regulator from a reputable manufacturer, STMicroelectronics

Versatile input voltage range catering to a broad spectrum of power systems

Suitable for demanding environments with high operating temperature range

Provides design flexibility with adjustable output voltage and switching frequency

Ease of use with standard SOIC packaging compatible with mainstream PCB assembly processes

Ensures device safety with built-in protection features