Texas Instruments

LM2673SDX-12

LM2673SDX-12 Description

The LM2673SDX-12 is a fixed-output voltage regulator from Texas Instruments, part of the SIMPLE SWITCHER® series. This buck converter is designed to provide a stable 12V output at a maximum current of 3A. It operates within an input voltage range of 8V to 40V, making it suitable for a variety of applications where wide input voltage range is required. The LM2673SDX-12 features a switching frequency of 260kHz, which allows for efficient power conversion and compact design.

This regulator is housed in a 14-lead SON package, which is ideal for surface mount applications. The device is obsolete, but it remains a reliable choice for legacy systems and specific applications where its unique features are required. The LM2673SDX-12 is REACH unaffected, ensuring compliance with environmental regulations. It also has a moisture sensitivity level (MSL) of 1, which means it is suitable for unlimited exposure to moisture, making it robust for various manufacturing environments.

LM2673SDX-12 Features

• Fixed Output Voltage: The LM2673SDX-12 provides a stable 12V output, ensuring consistent power delivery.
• Wide Input Voltage Range: With an input voltage range of 8V to 40V, this regulator can handle a variety of power sources, enhancing its versatility.
• High Output Current: Capable of delivering up to 3A, it is suitable for applications requiring moderate to high current loads.
• Efficient Buck Topology: The buck converter topology ensures high efficiency and compact design, making it ideal for space-constrained applications.
• Switching Frequency: The 260kHz switching frequency allows for smaller inductors and capacitors, reducing the overall footprint of the power supply.
• Surface Mount Packaging: The 14-lead SON package is ideal for surface mount technology (SMT), facilitating automated assembly processes.
• Moisture Sensitivity Level 1: The MSL 1 rating ensures the device can withstand exposure to moisture, enhancing its reliability in various manufacturing conditions.

LM2673SDX-12 Applications

The LM2673SDX-12 is well-suited for a range of applications where a stable 12V output and high current capability are required. Some specific use cases include:

• Telecommunications Equipment: Providing stable power to various components in telecom systems.
• Industrial Control Systems: Ensuring reliable power delivery in industrial automation and control applications.
• Automotive Electronics: Suitable for automotive applications where a wide input voltage range is necessary due to varying battery conditions.
• Consumer Electronics: Powering devices that require a stable 12V supply, such as certain types of monitors and peripherals.
• Legacy Systems: Ideal for maintaining and upgrading older systems where the LM2673SDX-12 was originally specified.

Conclusion of LM2673SDX-12

The LM2673SDX-12 from Texas Instruments is a robust and reliable fixed-output voltage regulator, offering a stable 12V output at up to 3A. wide Its input voltage range, efficient buck topology, and surface mount packaging make it suitable for a variety of applications, particularly those requiring compact and efficient power solutions. Despite its obsolete status, the LM2673SDX-12 remains a viable option for specific use cases and legacy systems. Its compliance with environmental regulations and robustness against moisture further enhance its appeal in the electronics industry.