LM2679T-12 - Texas Instruments

Manufacturer Part Number

LM2679T-12

Manufacturer

Texas Instruments

Introduction

The LM2679T-12 is a SIMPLE SWITCHER® step-down voltage regulator designed by Texas Instruments. This obsolete product provides a fixed 12V output with a maximum current of 5A.

Product Features and Performance

Step-Down (Buck) topology

Fixed 12V output voltage

Single output configuration

5A output current capability

Operational switching frequency of 260kHz

Through Hole mounting type

TO-220-7 Formed Leads package

Product Advantages

Simple circuit design due to SIMPLE SWITCHER® feature

High efficiency with a maximum input voltage of 40V

Able to operate across a wide temperature range from -40°C to 125°C

Supports a minimum input voltage of 8V, enabling versatility in various applications

Key Technical Parameters

Topology: Buck (Step-Down)

Output Type: Fixed

Voltage - Input (Min): 8V

Voltage - Input (Max): 40V

Voltage - Output (Min/Fixed): 12V

Current - Output: 5A

Operating Temperature: -40°C ~ 125°C (TJ)

Frequency - Switching: 260kHz

Synchronous Rectifier: No

Quality and Safety Features

Safe operation in a wide temperature range

High reliability with traditional buck design

Through Hole package offers stable mounting for robust performance

Compatibility

Compatible with a variety of circuits requiring a 12V fixed output

Adaptable to applications with input voltages ranging from 8V to 40V

Application Areas

Power supplies

Industrial controls

Automotive applications

Telecommunication equipment

Product Lifecycle

Obsolete status

Limited availability, with potential for replacement or upgrade options to be sourced

Several Key Reasons to Choose This Product

Efficient power conversion with SIMPLE SWITCHER® design simplicity

Extended input voltage range suited for diverse applications

Robust thermal performance for improved reliability

High current output capability for demanding loads

Well-established manufacturer with support for end-of-life management