National Semiconductor Tariff Inquiry

LM2676LD-12

LM2676LD-12 Description

The LM2676LD-12 is a high-performance buck regulator from National Semiconductor, designed to provide a fixed 12V output voltage with a maximum output current of 3A. This regulator is part of the SIMPLE SWITCHER® series, known for its ease of use and high efficiency. The LM2676LD-12 operates within an input voltage range of 8V to 40V, making it suitable for a wide range of applications where input voltage variability is a concern. The regulator employs a switching frequency of 260kHz, which allows for a good balance between efficiency and component size.

The LM2676LD-12 is housed in a 14-lead small outline no-lead (SON) package, which is ideal for surface-mount applications. This package type ensures excellent thermal performance and a small footprint, crucial for modern compact designs. Despite its small size, the regulator is capable of delivering high current outputs, making it a robust solution for power management needs.

LM2676LD-12 Features

• Fixed Output Voltage: The LM2676LD-12 provides a stable 12V output voltage, ensuring consistent power delivery to connected devices.
• High Efficiency: The buck topology and switching frequency of 260kHz contribute to high efficiency, minimizing power loss and heat generation.
• Wide Input Voltage Range: With an input voltage range of 8V to 40V, the regulator can accommodate a variety of power sources, enhancing its versatility.
• High Current Capability: The regulator is capable of delivering up to 3A of output current, making it suitable for demanding applications.
• Surface-Mount Package: The 14-lead SON package is designed for surface-mount technology, offering a compact and thermally efficient solution.
• Ease of Use: As part of the SIMPLE SWITCHER® series, the LM2676LD-12 is designed to be easy to implement, reducing design time and complexity.

LM2676LD-12 Applications

The LM2676LD-12 is ideal for applications requiring a stable 12V power supply with high current capabilities. Some specific use cases include:

• Industrial Equipment: Powering motors, actuators, and other high-current devices in industrial settings.
• Telecommunications: Providing stable power to communication modules and network equipment.
• Automotive: Suitable for automotive electronics where a wide input voltage range is necessary to handle varying battery voltages.
• Consumer Electronics: Ideal for powering high-current devices such as gaming consoles and high-end audio equipment.

Conclusion of LM2676LD-12

The LM2676LD-12 is a versatile and efficient buck regulator that offers a stable 12V output with a maximum current of 3A. Its wide input voltage range, high efficiency, and compact surface-mount package make it an excellent choice for a variety of applications. While the product is now obsolete, it remains a testament to National Semiconductor's commitment to delivering high-performance power management solutions. For designers seeking a reliable and efficient power supply, the LM2676LD-12 offers a robust and straightforward solution.