ON Semiconductor LM2575T-12G Switching Voltage Regulator

The LM2575T-12G from ON Semiconductor is a highly versatile and robust switching voltage regulator that offers a fixed output voltage of 12V. Designed for simplicity and efficiency, this regulator integrates all the functions necessary for a buck (step-down) switching regulator capable of driving a 1A load with excellent line and load regulation.

Key Features:

• Output Voltage: Fixed 12V output with a tolerance of ±4% over line and load conditions.
• Output Current: Capable of delivering 1A output current.
• Efficiency: High efficiency up to 77%, reducing the need for heat sinks and simplifying thermal management.
• Operating Frequency: 52 kHz fixed frequency internal oscillator.
• Thermal Shutdown and Current Limit: Built-in protection features for enhanced reliability and durability.
• Package: Offered in a TO-220-5 package, which is suitable for through-hole mounting, providing ease of integration into a wide range of applications.

Applications:

The LM2575T-12G is ideal for a variety of applications that require a stable and efficient power supply. It can be used in:

• Simple high-efficiency step-down (buck) regulators.
• Efficient pre-regulators for linear regulators.
• On-card switching regulators for elimination of noise and distribution problems associated with single-point regulation.

Performance Advantages:

This switching regulator stands out for its ease of use and comprehensive feature set. The inclusion of a fixed-frequency oscillator, a precision reference, and a high-current output switch allows designers to build a robust power supply with a minimal number of external components. The LM2575T-12G is a practical solution for applications requiring a reliable 12V power source with a current rating up to 1A.

Quality and Reliability:

ON Semiconductor is known for its commitment to quality, and the LM2575T-12G is no exception. This regulator is designed to meet the stringent requirements of industrial and commercial applications, ensuring long-term reliability for any project it powers.