LM2576TV-012G

Voltage Regulators - DC DC Switching Regulators Overview

The LM2576TV-012G is a monolithic integrated circuit buck converter from the LM2576 series, manufactured by onsemi. It provides a fixed 12 V output with a maximum load current of 3 A. The device operates within an input voltage range of 7 V to 40 V and utilizes pulse width modulation at a switching frequency of 52 kHz. Designed for through-hole mounting, it is housed in a TO-220-5 package. The component supports an operating temperature range from -40 °C to +125 °C and includes internal protection mechanisms such as current limiting and thermal shutdown.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a fixed-frequency oscillator and reference regulator for simplified step-down power supply design
• Includes built-in current limit and thermal shutdown circuits for enhanced operational safety
• Supports external control via an ON/OFF pin for low-power standby modes

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power supply systems requiring efficient buck conversion
• Pre-regulator stages for linear post-regulator circuits
• Battery-powered applications utilizing high-efficiency DC-DC topology

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity and datasheet alignment before integration. Confirm that the specific suffix corresponds to the required fixed 12 V output variant. Check for end-of-life status or obsolescence notices from the manufacturer. Ensure procurement channels provide valid traceability documentation. Validate package integrity upon receipt to prevent handling damage.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this part when a fixed 12 V output is required without external feedback resistors. Consider the TO-220-5 package for through-hole assembly requirements. Evaluate thermal management needs given the 3 A continuous current capability. Verify that the 7 V minimum input voltage meets system headroom requirements. Compare against adjustable variants if variable output flexibility is needed.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2576 family of switching regulators designed for easy implementation of step-down converters. The TV suffix indicates a through-hole TO-220 package configuration. The 012 designation specifies the fixed 12 V output version. This series is widely recognized for its robust performance in industrial and commercial power management applications.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution lists for equivalent fixed-output buck converters. Verify pin compatibility and thermal characteristics when considering alternatives. Ensure replacement parts maintain the same 3 A current rating and 52 kHz switching frequency.