LM2576HVR-15

Voltage Regulators - DC DC Switching Regulators Overview

The LM2576HVR-15 is a monolithic integrated circuit step-down switching regulator from the TAEJIN LM2576 series. It is designed for easy and convenient design of buck converters, capable of driving a 3.0A load with excellent line and load regulation. The device features a fixed 15V output voltage and operates with a wide input voltage range. It utilizes a 52kHz fixed frequency internal oscillator to minimize external component count. Key protection mechanisms include thermal shutdown and current limit protection.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Fixed 15V output version within the LM2576 series
• Capable of driving a 3.0A load with high efficiency
• Integrated 52kHz fixed frequency internal oscillator
• Includes thermal shutdown and current limit protection

Voltage Regulators - DC DC Switching Regulators Applications

• Simple high-efficiency step-down (buck) regulators
• Efficient pre-regulators for linear regulators
• On-card switching regulators
• Positive to negative converter (buck-boost) circuits
• Power supply for battery chargers

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the manufacturer designation corresponds to TAEJIN Technology Co., as the LM2576 part number is widely used by multiple semiconductor vendors including Texas Instruments and ON Semiconductor. Confirm the specific suffix 'HVR' indicates the correct package type and temperature rating required for your application. Ensure compatibility with standard inductors specified in the official datasheet for optimal performance.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 15V output is required from a higher input voltage source. It is suitable for designs needing up to 3.0A continuous current. Consider the 52kHz switching frequency for inductor size trade-offs. Verify that the input voltage range supports the specific application requirements and that the thermal management strategy accommodates the power dissipation at full load.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2576 series of SIMPLE SWITCHER regulators, which are popular for their simplicity and robustness in DC-DC conversion applications. The series typically includes fixed voltage options such as 3.3V, 5.0V, 12V, and 15V, alongside an adjustable version. These devices are characterized by their ability to reduce external component count while maintaining high efficiency in step-down topologies.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Cross-reference with LM2576-15 variants from other manufacturers like Texas Instruments or ON Semiconductor. Ensure pinout compatibility and verify that the replacement part supports the same 3.0A output current and 52kHz switching frequency. Check for equivalent thermal and electrical protection features before substitution.