LM2576D2TR4-012

Voltage Regulators - DC DC Switching Regulators Overview

The LM2576D2TR4-012 is a monolithic integrated circuit step-down switching regulator from the onsemi LM2576 series. It provides a fixed 12V output with a maximum load current of 3A. The device operates within an input voltage range of 7V to 40V and features a standard switching frequency of 52kHz. Designed for surface-mount applications, it utilizes a TO-263 (D2PAK) package with five pins. The component supports an operating junction temperature range from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated monolithic design simplifies buck converter implementation
• Fixed 12V output eliminates external feedback resistor networks
• Internal oscillator enables consistent 52kHz switching operation
• Thermal performance optimized for high-current surface-mount loads

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation in distributed power architectures
• Input voltage step-down for embedded systems
• Pre-regulation stages for linear post-regulators
• Battery-powered equipment requiring efficient voltage conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'TR4' against official manufacturer documentation to confirm tape-and-reel packaging specifications. Ensure the fixed 12V output variant matches the system requirement, as other voltage options exist within the same family. Cross-reference RoHS compliance status directly with the datasheet before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 12V output is required without external programming resistors. The 3A current capability suits moderate-power applications. Verify that the 40V maximum input voltage aligns with the source supply. Consider thermal dissipation requirements given the D2PAK package constraints under full load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2576 series of switching regulators, which are widely used for efficient DC-DC conversion. The series includes adjustable and multiple fixed voltage variants. The D2TR4 designation indicates a specific surface-mount package configuration intended for automated assembly processes in manufacturing environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2576D2T-12G: Fixed 12V version in standard TO-263 package. LM2576D2T-ADJG: Adjustable output version using the same package. LM2576WT-12: Microchip equivalent in TO-263 package.