Texas Instruments

LM2676T-5.0  

DC Switching Voltage Regulators

LM2676T-5.0 Description

The LM2676T-5.0 is a fixed output voltage regulator from Texas Instruments, designed for high efficiency and performance in DC switching applications. This regulator is part of the SIMPLE SWITCHER® series, known for its ease of use and reliability. The LM2676T-5.0 features a maximum input voltage of 40V and a minimum input voltage of 8V, making it suitable for a wide range of input voltage sources. It provides a fixed output voltage of 5V with a maximum output current of 3A, ensuring stable power delivery to connected devices.

The regulator operates with a switching frequency of 260kHz, which allows for the use of smaller inductors and capacitors in the design, reducing the overall footprint and cost of the power supply. The LM2676T-5.0 is housed in a TO220-7 package, which is ideal for through-hole mounting and offers good thermal performance. This regulator is classified as obsolete, but it remains a viable option for legacy designs and applications where its specific features are required.

LM2676T-5.0 Features

• Fixed Output Voltage: The LM2676T-5.0 provides a stable 5V output, ensuring consistent power delivery to connected devices.
• High Input Voltage Range: With an input voltage range of 8V to 40V, the regulator can handle a variety of input sources, making it versatile for different applications.
• High Output Current: Capable of delivering up to 3A of output current, the LM2676T-5.0 is suitable for applications requiring high current loads.
• Buck Topology: Utilizing a buck converter topology, the regulator offers high efficiency and low power loss, which is crucial for energy-sensitive applications.
• Switching Frequency: Operating at 260kHz, the regulator allows for the use of smaller passive components, reducing the overall size and cost of the power supply.
• Through-Hole Mounting: The TO220-7 package is designed for through-hole mounting, providing robust mechanical stability and good thermal performance.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the regulator is suitable for use in environments with varying humidity levels.
• REACH Compliance: The LM2676T-5.0 is REACH unaffected, ensuring compliance with environmental regulations and standards.

LM2676T-5.0 Applications

The LM2676T-5.0 is ideal for a variety of applications where a stable 5V output and high current capability are required. Some specific use cases include:

• Industrial Control Systems: Providing reliable power to control boards and sensors in industrial environments.
• Telecommunications: Supplying power to communication equipment and base stations.
• Automotive Electronics: Ensuring stable power delivery to electronic control units (ECUs) and other automotive devices.
• Consumer Electronics: Powering devices such as routers, modems, and other consumer-grade electronics.
• Medical Equipment: Supplying stable power to medical devices and monitoring equipment.

Conclusion of LM2676T-5.0

The LM2676T-5.0 is a robust and reliable fixed output voltage regulator from Texas Instruments, offering high efficiency and performance in DC switching applications. Its wide input voltage range, high output current capability, and buck converter topology make it an excellent choice for a variety of applications. Despite being classified as obsolete, the LM2676T-5.0 remains a valuable component for legacy designs and specific applications where its unique features are essential. Its compliance with environmental regulations and standards further enhances its suitability for modern electronics.

LM2676T-5.0 Documents

Download datasheets and manufacturer documentation for LM2676T-5.0

Datasheets :

LM2676      

HTML Datasheet :

LM2676