The LM2576HVT-12/NOPB is a highly efficient, monolithic integrated circuit designed by Texas Instruments, which serves as a step-down voltage regulator capable of driving a 3A load with excellent line and load regulation. This voltage regulator is part of Texas Instruments’ Simple Switcher® series and is designed to minimize the number of external components, thereby simplifying the power supply design process.

Key Features

• Output Voltage: The LM2576HVT-12/NOPB provides a fixed output voltage of 12V, which is suitable for a wide range of applications requiring a regulated supply from a higher voltage source.
• Output Current: Capable of delivering up to 3A of continuous output current, this regulator can power a diverse set of devices and circuits.
• High Efficiency: With a typical efficiency of 77%, the LM2576HVT-12/NOPB ensures minimal power loss during voltage conversion, making it ideal for energy-sensitive applications.
• Thermal Shutdown and Current Limit Protection: Built-in safety features protect against overcurrent and overheating, enhancing the reliability and longevity of the regulator and the overall system.
• Voltage Range: The input voltage range of 4.5V to 60V allows for flexible usage in various power environments and applications.
• Frequency: The device operates at a fixed frequency of 52kHz, which allows for a balance between efficiency and the size of external components.

Applications

The LM2576HVT-12/NOPB is versatile and can be used in a broad array of applications, including:

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

Additional Information

The LM2576HVT-12/NOPB is available in a thermally enhanced TO-220 package, which ensures that the device can handle the generated heat effectively. It is also characterized for operation from -40°C to +125°C, catering to a wide range of temperature conditions. This product is lead-free and RoHS compliant, reflecting Texas Instruments' commitment to environmental sustainability.

For engineers and designers looking for a reliable and straightforward solution for their power supply needs, the LM2576HVT-12/NOPB presents an excellent option with its combination of ease of use, robust protection features, and efficient performance.