LM2678SD-ADJ - Texas Instruments

Manufacturer Part Number

LM2678SD-ADJ

Manufacturer

Texas Instruments

Introduction

The LM2678SD-ADJ is part of Texas Instruments' SIMPLE SWITCHER® series, designed to offer an efficient power management solution through a step-down (buck) voltage regulator.

Product Features and Performance

Highly efficient power conversion

Adjustable output voltage

Wide input voltage range

Supports up to 5A output current

Fixed 260kHz switching frequency

Thermal shutdown and current limit protection

Product Advantages

Simple external components for design flexibility

Ease of use with minimal design effort

High efficiency reduces energy loss and heat generation

Proven performance of SIMPLE SWITCHER® series

Key Technical Parameters

Function: Step-Down

Output Configuration: Positive

Topology: Buck

Output Type: Adjustable

Number of Outputs: 1

Voltage - Input (Min): 8V

Voltage - Input (Max): 40V

Voltage - Output (Min/Fixed): 1.21V

Voltage - Output (Max): 37V

Current - Output: 5A

Frequency - Switching: 260kHz

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

Quality and Safety Features

Built-in overtemperature protection

Current limit for overcurrent protection

Robust construction for long-term reliability

Compatibility

Compatible with a wide range of input voltages and adjustable output for versatility

Surface mount design for modern PCB layouts

14-VDFN Exposed Pad for excellent thermal performance

Application Areas

Telecommunications

Consumer Electronics

Industrial power systems

Computer peripherals

Product Lifecycle

Not for new designs

Alternatives or upgrades may be offered for existing designs

Several Key Reasons to Choose This Product

Reliable performance in a compact 14-VSON package

Flexibility in application due to adjustable output features

SIMPLE SWITCHER® pedigree ensures ease of design and proven results

High current capability suitable for demanding applications

Extended operating temperature range suitable for industrial environments