LM2678SD-5.0 - Texas Instruments

Manufacturer Part Number

LM2678SD-5.0

Manufacturer

Texas Instruments

Introduction

The LM2678SD-5.0 is a member of the SIMPLE SWITCHER® series from Texas Instruments, designed for power management, particularly as a DC DC switching regulator. It facilitates the step-down (buck) conversion of voltage.

Product Features and Performance

Step-Down (Buck) topology

Fixed output type at 5V

Single output channel

Supports input voltage range from 8V to 40V

Capable of delivering up to 5A output current

Operates at a switching frequency of 260kHz

Non-synchronous rectifier

Designed to operate in environments with temperatures ranging from -40°C to 125°C

Product Advantages

High efficiency in stepping down voltage

Supports a wide range of input voltages

High output current capacity

Compact surface mount package for space-sensitive applications

Key Technical Parameters

Voltage Input (Min): 8V

Voltage Input (Max): 40V

Voltage Output (Min/Fixed): 5V

Current Output: 5A

Frequency Switching: 260kHz

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

Mounting Type: Surface Mount

Package / Case: 14-VDFN Exposed Pad

Supplier Device Package: 14-VSON (5x6)

Quality and Safety Features

Engineered to endure harsh operating temperatures

Robust package design for enhanced durability

Compatibility

Suitable for surface mount technology (SMT) applications

Application Areas

Power management in consumer electronics

Industrial devices requiring efficient voltage step-down solutions

Automotive power supplies

Telecom infrastructure

Product Lifecycle

Currently classified as Obsolete

Replacement or upgrade options may be limited

Several Key Reasons to Choose This Product

High efficiency and reliability for voltage reduction in a compact form factor

Supports a broad input voltage range suitable for various power supply configurations

Capable of supplying significant output current for high-power applications

Part of Texas Instruments' reputable SIMPLE SWITCHER® series, ensuring ease of use and performance reliability

Despite its obsolescence, it remains a viable choice for specific legacy applications or where a direct replacement is not critical