LM2576HVT-5.0

Voltage Regulators - DC DC Switching Regulators Overview

The LM2576HVT-5.0 is a monolithic integrated circuit step-down switching regulator from the LM2576HV series, manufactured by TAEJIN (Taejin Technology). It operates as a buck converter with a fixed 5.0V output and supports up to 3A load current. The device features a wide input voltage range of 4V to 60V and utilizes a 52kHz internal oscillator. It includes TTL shutdown capability for low-power standby modes and offers thermal shutdown and current limit protection. The component is housed in a TO-220-5 through-hole package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Fixed 5.0V output voltage with guaranteed 3.0A load capacity
• Wide input voltage range supporting up to 60V
• Integrated 52kHz fixed frequency internal oscillator
• TTL shutdown capability for low power standby operation

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 converters (Buck-Boost)
• Power supply for battery chargers

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the manufacturer designation corresponds to Taejin Technology Co., Ltd., distinct from Texas Instruments equivalents. Confirm the suffix 'HVT' indicates the High Voltage variant with TO-220-5 packaging. Ensure the part number specifies the 5.0V fixed output version. Cross-reference datasheet specifications for thermal performance and operating temperature ranges against application requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range up to 60V is required for buck conversion applications. It is suitable for designs needing a fixed 5V output at currents up to 3A. The through-hole TO-220-5 package facilitates manual assembly and heat dissipation. Consider the 52kHz switching frequency for standard inductor selection and efficiency optimization.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2576HV series of switching regulators, designed as an upgrade to the standard LM2576 with extended input voltage capabilities. It serves as a direct replacement for linear regulators in many applications, offering higher efficiency. The series is widely used in industrial and consumer electronics requiring robust DC-DC conversion.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2576T-5.0/NOPB: Standard voltage version limited to 40V input; verify input requirements before substitution.

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage for the LM2576HVT-5.0?

The maximum input voltage is 60V.

Does the LM2576HVT-5.0 support external synchronization?

No, it uses a fixed 52kHz internal oscillator without external sync capability.