ON Semiconductor LM2575D2T-5G Voltage Regulator

The ON Semiconductor LM2575D2T-5G is a robust and efficient integrated circuit designed for voltage regulation in a wide array of electronic applications. 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. The LM2575D2T-5G is capable of driving a 1A load with excellent line and load regulation.

Key Features

• Output Voltage: This regulator provides a fixed output voltage of 5V, which is suitable for a variety of digital and analog circuits that require a stable power supply.
• Output Current: It can supply up to 1A of output current, ensuring sufficient power for most low to medium power applications.
• High Efficiency: With a typical efficiency of 77%, the LM2575D2T-5G minimizes energy loss, making it ideal for battery-powered devices.
• Thermal Shutdown and Current Limit: Built-in safety features include thermal shutdown to protect the device from overheating and current limiting to prevent damage from overcurrent conditions.
• Simple External Components: Requires minimal external components for operation, which simplifies the design and reduces the overall bill of materials.
• 52 kHz Fixed Frequency Internal Oscillator: The device's internal oscillator operates at a fixed frequency of 52 kHz, which is a good balance between efficiency and manageable EMI.

Applications

The LM2575D2T-5G is versatile and can be used in a variety 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)

Package and Reliability

The LM2575D2T-5G is offered in a TO-263 package, which is designed to be mounted on a printed circuit board. The package is compact and suitable for space-constrained applications. ON Semiconductor's commitment to quality ensures that the LM2575D2T-5G provides reliable performance and a long operational lifespan, making it a preferred choice for designers looking for a dependable voltage regulation solution.