The LM2576SX-15/NOPB is a highly efficient, monolithic integrated circuit from Texas Instruments, designed to provide a simple and robust solution for generating a fixed 15V output voltage. This step-down voltage regulator is part of the LM2576 series, which is well-known for its ease of use and versatility in various applications.

Key Features

• Output Voltage: Fixed 15V output with a high level of accuracy and stability.
• Output Current: Capable of delivering up to 3A of continuous output current to the load.
• High Efficiency: Integrated switch allows for efficiencies of up to 90%, minimizing heat generation and power loss.
• Wide Input Voltage Range: Can operate with an input voltage range from 4.75V to 40V, suitable for a variety of supply sources.
• Thermal Shutdown and Current Limit: Offers built-in protection features such as thermal shutdown and current limiting to safeguard the device and the load under abnormal conditions.
• Frequency: Fixed 52 kHz switching frequency, which allows for smaller external components, reducing space and cost.
• Package: Available in the TO-263 package, which is suitable for surface mount technology and helps in saving PCB space.
• Lead-Free and RoHS Compliant: The NOPB (No Lead (Pb)) designation indicates that the product is compliant with RoHS regulations and is lead-free, making it suitable for use in environmentally sensitive applications.

Applications

The LM2576SX-15/NOPB is a versatile component that can be used in a wide range of applications, including but not limited to:

• Simple high-efficiency step-down (buck) regulators.
• On-card switching regulators for elimination of noise and distribution problems associated with single-point regulation.
• Positive to negative converter (Buck-Boost).

With its robust design, comprehensive protection features, and high efficiency, the LM2576SX-15/NOPB from Texas Instruments is an ideal choice for designers looking for a reliable power management solution.