Texas Instruments

LM2673SDX-5.0

LM2673SDX-5.0 Description

The LM2673SDX-5.0 is a fixed output voltage buck regulator from Texas Instruments, designed to provide a stable 5V output at a maximum current of 3A. This regulator is part of the SIMPLE SWITCHER® series, known for its ease of use and high performance. The LM2673SDX-5.0 operates within an input voltage range of 8V to 40V, making it suitable for a wide variety of applications where input voltage can vary significantly. The device features a switching frequency of 260kHz, which balances efficiency and component size, allowing for compact designs. The regulator is housed in a 14-lead SON (Small Outline No-lead) package, which is ideal for surface-mount applications. Despite its obsolescence status, the LM2673SDX-5.0 remains a reliable choice for power management solutions due to its robust design and performance.

LM2673SDX-5.0 Features

• Fixed Output Voltage: The LM2673SDX-5.0 provides a stable 5V output, ensuring consistent power delivery to connected devices.
• Wide Input Voltage Range: With an input voltage range of 8V to 40V, this regulator can handle a variety of power sources, making it versatile for different applications.
• High Output Current: Capable of delivering up to 3A of output current, the LM2673SDX-5.0 is suitable for applications requiring significant power.
• Buck Topology: Utilizing a buck converter topology, the regulator offers high efficiency and compact design, essential for modern power management systems.
• Switching Frequency: The 260kHz switching frequency balances efficiency and component size, allowing for smaller, more efficient designs.
• Surface Mount Packaging: The 14-lead SON package is ideal for surface-mount applications, facilitating easy integration into PCB designs.
• Moisture Sensitivity Level: MSL 1 (Unlimited) ensures the device is suitable for a wide range of environmental conditions without additional moisture protection.
• REACH Compliance: The LM2673SDX-5.0 is REACH unaffected, ensuring compliance with environmental and safety regulations.

LM2673SDX-5.0 Applications

The LM2673SDX-5.0 is ideal for a variety of applications where a stable 5V output and high current delivery are required. Some specific use cases include:

• Industrial Equipment: Powering control systems, sensors, and actuators that require a stable 5V supply.
• Telecommunications: Providing power to base stations, routers, and other networking equipment.
• Automotive Electronics: Suitable for in-vehicle systems that need reliable power delivery, such as infotainment systems and electronic control units.
• Consumer Electronics: Ideal for devices like gaming consoles, set-top boxes, and other high-power consumer electronics.
• Medical Devices: Powering critical medical equipment that requires stable and reliable power sources.

Conclusion of LM2673SDX-5.0

The LM2673SDX-5.0 from Texas Instruments is a robust and versatile buck regulator designed to deliver a stable 5V output at up to 3A. Its wide input voltage range, high efficiency, and compact design make it suitable for a variety of applications, from industrial to consumer electronics. Despite its obsolescence status, the LM2673SDX-5.0 remains a reliable choice for power management solutions, offering a balance of performance and ease of use. For applications requiring a stable 5V supply and high current delivery, the LM2673SDX-5.0 is an excellent choice, providing consistent performance and reliability.