LM2576T-012G

Voltage Regulators - DC DC Switching Regulators Overview

The LM2576T-012G is a step-down switching regulator manufactured by onsemi, designed for high-efficiency DC-DC conversion. It delivers a fixed 12V output with a maximum current capability of 3A. The device operates with a standard switching frequency of 52kHz and supports an input voltage range from 8V to 40V. Packaged in a TO-220-5 through-hole configuration, it integrates internal oscillators and error amplifiers for stable regulation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a fixed-frequency oscillator and internal error amplifier for simplified circuit design
• Includes built-in thermal shutdown and current limiting protection mechanisms
• Supports external control pin for low-power standby mode operation

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power supply systems requiring buck conversion
• Pre-regulators for linear post-regulator circuits
• Efficient step-down converters for battery-powered equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix '012G' against official onsemi documentation to confirm the fixed 12V output specification and RoHS compliance status. Ensure the package type matches the required TO-220-5 footprint for your PCB layout. Cross-reference the manufacturer part number directly with the datasheet to avoid confusion with similar variants.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 12V output at up to 3A is required from an input voltage between 8V and 40V. It is suitable for applications prioritizing efficiency over adjustable output flexibility. Consider thermal management requirements due to the TO-220 package and potential heat dissipation during high-load operations.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2576 series of simple switcher regulators, widely recognized for their ease of use and robust performance in buck converter topologies. The series offers various fixed voltage options alongside adjustable versions, catering to diverse power management needs in industrial and consumer electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2576T-12/NOPB (Texas Instruments) serves as a direct functional substitute with identical electrical specifications and pinout compatibility.