Product Overview: LM2679S-12 from Texas Instruments

The LM2679S-12 is a highly efficient, SIMPLE SWITCHER® power converter from Texas Instruments, designed to deliver a fixed output voltage of 12V with an output current of up to 5A. This step-down voltage regulator is part of TI's LM2679 series, which is well-known for its ease of use and robust performance.

Key Features

• High Efficiency: The LM2679S-12 boasts an efficiency of up to 92%, reducing the need for heat sinks and allowing for a more compact design in end applications.
• Adjustable Switching Frequency: With a switching frequency range from 260 kHz to 400 kHz, designers have the flexibility to optimize for efficiency or component size.
• Simple and Easy Design: The SIMPLE SWITCHER® concept simplifies the design process, requiring minimal external components and providing internal compensation.
• Built-in Protection Features: This regulator includes current limiting, thermal shutdown, and an ON/OFF pin for power-saving modes, ensuring reliable operation under various conditions.

Applications

The LM2679S-12 is suitable for a wide range of applications, including but not limited to:

• Efficient power supplies for industrial systems
• Automotive applications requiring a stable 12V rail
• Telecommunication infrastructure
• Consumer electronics

Package and Availability

The device is packaged in a TO-263 surface-mount package, which is designed to offer excellent power dissipation and space efficiency on a printed circuit board. The LM2679S-12 is available for order from Texas Instruments and authorized distributors, ensuring easy access for both prototyping and mass production.

For detailed specifications, application notes, and further information, engineers and product designers are encouraged to consult the official Texas Instruments datasheets and product resources.