LM2678S-3.3 - Texas Instruments

Manufacturer Part Number

LM2678S-3.3

Manufacturer

Texas Instruments

Introduction

The LM2678S-3.3 is a high-efficiency, step-down DC-DC switching regulator from Texas Instruments.

Product Features and Performance

Fixed 3.3V output voltage

Switching frequency of 260kHz

Capable of delivering up to 5A of output current

Wide input voltage range of 8V to 40V

High efficiency of up to 94%

Thermal shutdown and current limit protection

Synchronous rectification for improved efficiency

Product Advantages

High-performance power conversion with low power losses

Compact and space-saving design

Robust protection features for reliable operation

Wide operating temperature range of -40°C to 125°C

Key Technical Parameters

Input Voltage Range: 8V to 40V

Output Voltage: 3.3V

Output Current: 5A

Switching Frequency: 260kHz

Efficiency: Up to 94%

Operating Temperature Range: -40°C to 125°C

Quality and Safety Features

ROHS3 compliant

Thermal shutdown protection

Current limit protection

Compatibility

The LM2678S-3.3 is compatible with a wide range of electronic devices and systems that require a regulated 3.3V power supply.

Application Areas

Industrial and Automotive Electronics

Telecommunications Equipment

Medical Devices

Portable Electronics

Server and Networking Equipment

Product Lifecycle

The LM2678S-3.3 is an active product from Texas Instruments and is not nearing discontinuation. Replacement and upgrade options are available.

Key Reasons to Choose This Product

High-efficiency power conversion with low power losses

Robust protection features for reliable operation

Wide operating temperature range for demanding applications

Space-saving and compact design

Compatibility with a wide range of electronic devices and systems