LM2576HVR-12

Voltage Regulators - DC DC Switching Regulators Overview

The LM2576HVR-12 is a monolithic integrated circuit step-down switching regulator from the TAEJIN LM2576 series. It operates with an input voltage range up to 60V and provides a fixed 12V output capable of driving a 3.0A load. The device features a 52kHz fixed-frequency internal oscillator, TTL shutdown capability, and requires only four external components for operation. It includes thermal shutdown and current limit protection.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Fixed 12V output with guaranteed 3.0A load capability
• Wide input voltage range supporting high-voltage applications
• Integrated 52kHz fixed-frequency internal oscillator
• TTL shutdown capability for low power standby mode

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 manufacturer origin as TAEJIN Technology Co., distinct from Texas Instruments or onsemi variants. Confirm RoHS compliance status and moisture sensitivity level (MSL) ratings prior to assembly. Ensure component authenticity through authorized distribution channels to avoid counterfeit risks associated with legacy regulator families.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model for designs requiring a fixed 12V output at 3A from high-input voltage sources. The TO-220 package suits applications needing through-hole mounting and heat dissipation. Verify inductor availability compatible with the 52kHz frequency to ensure optimal efficiency and performance within the specified temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2576 family of SIMPLE SWITCHER regulators, widely recognized for simplifying buck converter design. The 'HV' designation indicates high-voltage input capability, while 'R' typically denotes the through-hole package variant. It serves as a direct replacement for older linear regulators in high-current applications.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2576HVS-12/NOPB

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage for the LM2576HVR-12?

The maximum input voltage is 60V.

Does the LM2576HVR-12 support shutdown functionality?

Yes, it features TTL shutdown capability for low power standby mode.