Texas Instruments

LM2678SD-12  

DC Switching Voltage Regulators

LM2678SD-12 Description

The LM2678SD-12 is a highly efficient and versatile buck regulator from Texas Instruments, designed to deliver a fixed 12V output at a maximum current of 5A. This regulator is part of the SIMPLE SWITCHER® series, renowned for its ease of use and high performance. The LM2678SD-12 operates within an input voltage range of 15V to 40V, making it suitable for a wide array of applications where stable power supply is critical. The regulator features a switching frequency of 260kHz, which allows for the use of smaller inductors and capacitors, thereby reducing the overall footprint and cost of the power supply solution.

LM2678SD-12 Features

• Fixed Output Voltage: The LM2678SD-12 provides a stable 12V output, ensuring consistent power delivery to connected devices.
• Wide Input Voltage Range: With an input voltage range of 15V to 40V, this regulator can accommodate various power sources, enhancing its flexibility in diverse applications.
• High Output Current: Capable of delivering up to 5A of output current, the LM2678SD-12 is suitable for high-power applications requiring reliable power supply.
• Buck Topology: Utilizing a buck converter topology, the LM2678SD-12 achieves high efficiency and low power loss, contributing to energy savings and reduced thermal dissipation.
• Surface Mount Package: The LM2678SD-12 is available in a 14VSON surface mount package, which is ideal for compact designs and easy integration into modern electronic systems.
• Compliance and Safety: The regulator is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. Additionally, its moisture sensitivity level (MSL) of 1 (unlimited) makes it suitable for a wide range of manufacturing environments.
• Switching Frequency: The 260kHz switching frequency allows for the use of smaller external components, optimizing the size and cost of the power supply.

LM2678SD-12 Applications

The LM2678SD-12 is ideal for a variety of applications where a stable and efficient power supply is essential. Some specific use cases include:

• Telecommunications: Providing a stable power source for base stations and networking equipment.
• Industrial Systems: Powering control systems, sensors, and actuators in industrial automation.
• Computing: Supplying power to servers, data centers, and other high-performance computing devices.
• Consumer Electronics: Used in high-power consumer devices such as gaming consoles and high-end audio systems.
• Automotive: Suitable for powering electronic control units (ECUs) and other automotive electronics.

Conclusion of LM2678SD-12

The LM2678SD-12 from Texas Instruments is a robust and efficient buck regulator that stands out in its category due to its wide input voltage range, high output current capability, and fixed 12V output. Its SIMPLE SWITCHER® design ensures ease of use and high performance, making it an excellent choice for a variety of applications. The regulator's compliance with environmental and safety standards, along with its compact surface mount package, further enhances its appeal. For engineers and designers seeking a reliable and efficient power supply solution, the LM2678SD-12 offers a compelling combination of features and benefits.

LM2678SD-12 Documents

Download datasheets and manufacturer documentation for LM2678SD-12

PCN Assembly/Origin :

LMDMOS devices 23/Mar/2018      

Datasheets :

LM2678      

Design Resources :

LM2678 Design with WEBENCH® Power Designer      

PCN Obsolescence/ EOL :

EOL 12/Sept/2023      

HTML Datasheet :

LM2678