LM2679SX-ADJ - Texas Instruments

Manufacturer Part Number

LM2679SX-ADJ

Manufacturer

Texas Instruments

Introduction

High-performance, easy-to-use step-down DC-DC converter

Provides up to 5A of output current

Product Features and Performance

Wide input voltage range: 8V to 40V

21V to 37V adjustable output voltage

260kHz switching frequency

Integrated power MOSFET and shunt diode

Excellent line and load regulation

High efficiency up to 95%

Thermal shutdown and current limit protection

Low quiescent current of 60μA

Product Advantages

Simple external component count

Compact DDPAK/TO-263-7 package

Adjustable output voltage

High efficiency and power density

Key Technical Parameters

Input Voltage: 8V to 40V

Output Voltage: 1.21V to 37V

Output Current: Up to 5A

Switching Frequency: 260kHz

Package: DDPAK/TO-263-7

Quality and Safety Features

ROHS3 Compliant

Thermal shutdown and current limit protection

Compatibility

Compatible with a wide range of applications that require a simple, high-performance step-down DC-DC converter

Application Areas

Ideal for industrial, automotive, and telecom applications that require a simple, high-efficiency power supply

Product Lifecycle

The LM2679SX-ADJ is an active product, and Texas Instruments continues to offer it as part of their SIMPLE SWITCHER product line.

Several Key Reasons to Choose This Product

Wide input voltage range and adjustable output voltage for versatility

Up to 5A of output current for powering a variety of loads

High efficiency up to 95% for reduced power consumption and heat dissipation

Integrated power MOSFET and shunt diode for a compact, easy-to-use solution

Robust thermal and current limit protection for reliable operation

Simple external component count and compact DDPAK/TO-263-7 package for space-constrained designs