Product Overview: LM2679S-12/NOPB

The LM2679S-12/NOPB is a highly efficient, SIMPLE SWITCHER® power converter from Texas Instruments (TI) that delivers up to 5A of load current. This device is designed to provide a regulated 12V output voltage with an input voltage range of 8V to 40V, making it suitable for a wide array of applications, including industrial, automotive, and consumer electronics.

Key Features

• Output Voltage: Fixed 12V output with high precision.
• Output Current: Capable of delivering up to 5A of continuous load current.
• Efficiency: Integrated switch with a low on-resistance increases efficiency and reduces power loss.
• Thermal Performance: Enhanced thermal performance with TO-263 packaging.
• Protection Features: Built-in protection mechanisms including over-temperature, over-current, and under-voltage lockout (UVLO).
• Frequency: Adjustable switching frequency from 260 kHz to 400 kHz or fixed 260 kHz operation.

Applications

The LM2679S-12/NOPB is versatile and can be used in a variety of applications that require a stable and efficient power supply. It's particularly well-suited for:

• Simple high-efficiency step-down (buck) regulators.
• Efficient pre-regulators for linear regulators.
• On-card switching regulators.
• Positive to negative converters (Buck-Boost).

Quality and Reliability

TI's commitment to quality ensures that the LM2679S-12/NOPB meets rigorous industry standards for performance and reliability. The device's NOPB designation indicates that it is lead-free and RoHS compliant, making it suitable for use in environmentally sensitive applications.

Design Support

Designers can take advantage of Texas Instruments' extensive support resources, including application notes, design simulations, and evaluation modules, to streamline the development process and bring products to market faster.