The LM2575D2T-12 from ON Semiconductor is a highly efficient, monolithic integrated circuit voltage regulator designed for a wide range of applications. This step-down (buck) regulator provides all the active functions necessary for a power supply capable of driving a 1A load with excellent line and load regulation.

Key Features

• Output Voltage: The device delivers a fixed output voltage of 12V, which is suitable for a variety of electronic devices and projects.
• Output Current: Capable of delivering up to 1A of continuous output current, making it a reliable choice for moderate power needs.
• High Efficiency: With its ability to convert input voltages ranging from 4V to 40V, this regulator maintains high efficiency, which is essential for portable and battery-powered applications.
• Thermal Shutdown and Current Limit Protection: Built-in safety features protect the device and the application from potential damage due to excessive heat or overcurrent conditions.
• 52 kHz Fixed Frequency Internal Oscillator: The internal oscillator reduces the number of external components and simplifies the design process.
• TO-263 Package: The LM2575D2T-12 comes in a TO-263 package, which is suitable for surface mount technology and helps in achieving compact and robust designs.

Applications

The regulator is versatile and can be used in 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).

Product Summary

The LM2575D2T-12 from ON Semiconductor is a reliable and efficient solution for voltage regulation needs in various electronic applications. Its combination of features and protections ensures performance and durability, making it a preferred choice for designers and engineers looking for a robust power supply component.