The LM2575-5.0BU is a versatile and efficient voltage regulator designed and manufactured by Microchip Technology, a leader in the electronic components industry. This regulator 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: Precisely regulated 5.0 volts output, suitable for a wide range of applications.
• Current Output: Capable of delivering up to 1A of continuous output current.
• High Efficiency: Features a typical efficiency of 77%, reducing power loss and heat generation.
• Thermal Shutdown and Current Limit Protection: Enhanced safety features to protect the circuit under abnormal conditions.
• Voltage Range: Operates from a wide input voltage range of 4V to 40V, making it versatile for various input sources.
• Frequency: 52 kHz fixed frequency internal oscillator ensures a stable operation.
• Package: Available in a TO-220-5 package that is easy to integrate into a variety of circuit designs.

Applications

The LM2575-5.0BU is ideal for a range of applications due to its ease of use and robust feature set. Its applications include but are not limited to:

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

Design Support

Microchip Technology provides comprehensive design support for the LM2575-5.0BU, including datasheets, reference designs, and simulation tools to assist engineers in integrating this component into their projects efficiently and effectively.