National Semiconductor

LM2738XSD

LM2738XSD Description

The LM2738XSD is a high-performance DC switching voltage regulator designed by National Semiconductor. This regulator is specifically tailored for applications requiring a compact, efficient, and reliable power solution. The LM2738XSD operates within an input voltage range of 3V to 20V and can deliver a maximum output current of 1.5A. It features an adjustable output voltage, ranging from 0.8V to 18V, making it highly versatile for a variety of electronic systems.

The regulator employs a buck topology, which is known for its high efficiency and ability to handle significant power levels. The switching frequency of 1.6MHz allows for the use of smaller inductors and capacitors, reducing the overall footprint and cost of the power supply design. The LM2738XSD is available in a surface-mount package, making it suitable for modern, space-constrained applications.

LM2738XSD Features

• Adjustable Output Voltage: The LM2738XSD offers an adjustable output voltage range from 0.8V to 18V, providing flexibility to meet the specific needs of various electronic devices.
• Wide Input Voltage Range: With an input voltage range of 3V to 20V, the regulator can accommodate a wide variety of power sources, enhancing its versatility.
• High Efficiency Buck Topology: Utilizing a buck topology, the LM2738XSD ensures high efficiency, which is crucial for applications where power consumption and heat dissipation are critical.
• High Switching Frequency: The 1.6MHz switching frequency allows for the use of smaller passive components, reducing the overall size and cost of the power supply.
• Surface-Mount Package: The surface-mount package is ideal for modern, compact designs, facilitating easier integration into space-constrained systems.
• Positive Output Configuration: The regulator provides a positive output configuration, which is commonly required in many electronic applications.
• Single Output: The LM2738XSD features a single output, simplifying design the and ensuring reliability in single-rail power supply applications.

LM2738XSD Applications

The LM2738XSD is well-suited for a range of applications where compact size, high efficiency, and adjustable output voltage are essential. Some specific use cases include:

• Portable Electronics: Ideal for battery-powered devices such as smartphones, tablets, and laptops, where space and power efficiency are critical.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators that require a reliable and efficient power supply.
• Telecommunications: Can be used in base stations and other telecom equipment where compact and efficient power solutions are necessary.
• Consumer Electronics: Applicable in various consumer electronics such as digital cameras, gaming consoles, and home automation systems.

Conclusion of LM2738XSD

The LM2738XSD from National Semiconductor stands out as a robust and versatile DC switching voltage regulator. Its wide input voltage range, adjustable output voltage, and high switching frequency make it suitable for a broad range of applications. The surface-mount package and positive output configuration further enhance its appeal for modern, space-efficient designs. Whether used in portable electronics, industrial equipment, or consumer devices, the LM2738XSD offers a reliable and efficient power solution, ensuring optimal performance and reliability.