The LM2575HVT-12/NOPB is a versatile and robust integrated circuit from Texas Instruments, designed to cater to a wide array of power conversion and regulation needs. This component is part of the LM2575 series, which are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator capable of driving a 1A load with excellent line and load regulation.

Key Features

• Output Voltage: The LM2575HVT-12/NOPB provides a fixed output voltage of 12V, which is ideal for a range of electronics that require a stable DC power supply.
• High Efficiency: This regulator offers high efficiency, which can be up to 90%, depending on the input voltage and load conditions. This makes it suitable for battery-powered applications where power conservation is critical.
• Output Current: The device is capable of delivering up to 1A of output current, making it suitable for a variety of moderate power needs.
• Thermal Shutdown and Current Limit Protection: It includes safety features such as thermal shutdown and current limit protection to ensure the longevity of both the regulator and the application it powers.
• Voltage Range: The LM2575HVT-12/NOPB can handle input voltages from 4.75V to 60V, which provides a wide range for applications that may have varying input voltages.
• Frequency: It operates at a fixed frequency of 52kHz which allows for a reasonable balance between efficiency and the size of external components.

Applications

The LM2575HVT-12/NOPB is suitable for a wide range 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)

Quality and Reliability

As with all Texas Instruments products, the LM2575HVT-12/NOPB is designed with a focus on quality and reliability. This component features a standard TO-220 package and is lead-free, denoted by the NOPB (No Lead (Pb)) suffix. It is suitable for commercial-grade applications and complies with the RoHS directive.