The LM2576D2T-ADJ from ON Semiconductor is a versatile and efficient step-down voltage regulator that is part of the LM2576 series. This adjustable output voltage regulator is designed to provide simplicity, robustness, and flexibility for a wide range of applications. It is capable of driving a 3A load with excellent line and load regulation.

Key Features

• Adjustable Output Voltage: This regulator provides an adjustable output voltage range from 1.23V to 37V, which can be set with two external resistors.
• High Efficiency: With a typical efficiency of 77%, the LM2576D2T-ADJ minimizes the heat generated, making it suitable for energy-sensitive applications.
• Integrated Protections: The device includes thermal shutdown and current limit protections, enhancing the safety and longevity of both the regulator and your application.
• Simple to Use: A minimal number of external components are required for operation, simplifying design and reducing time to market.
• 52 kHz Fixed Frequency Internal Oscillator: The fixed frequency simplifies noise filtering in noise-sensitive applications and allows for predictable behavior.
• TO-263 Package: The device is offered in a TO-263 package, which is suitable for surface-mount technology and helps in efficient thermal management.

Applications

The LM2576D2T-ADJ is ideal for a variety of applications due to its versatility, including but 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)

Conclusion

The ON Semiconductor LM2576D2T-ADJ is a highly reliable and user-friendly adjustable voltage regulator that offers a combination of features making it suitable for a broad spectrum of applications. Its high efficiency, ease of use, and robust protection features ensure that it can deliver the required performance in various electronic circuits while maintaining safety and durability.