LM2576T-15G

Voltage Regulators - DC DC Switching Regulators Overview

The LM2576T-15G is a monolithic integrated circuit step-down switching regulator from the LM2576 series, manufactured by onsemi. It provides a fixed 15V output with a maximum load current of 3A. The device operates within an input voltage range of 7V to 40V and features a fixed switching frequency of 52kHz. Designed for through-hole installation, it utilizes a TO-220-5 package. The component supports an operating temperature range from -40°C to +125°C and includes internal frequency compensation and a 150mA standby current capability.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated buck converter topology designed for simplified step-down power supply applications
• Fixed 15V output configuration eliminates external feedback resistor requirements
• Internal oscillator ensures stable operation at a 52kHz switching frequency
• Built-in thermal shutdown and current limiting protect against overload conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power systems requiring 15V rails
• Linear regulator pre-regulators to reduce heat dissipation
• Battery-powered equipment stepping down higher cell voltages
• General-purpose DC-DC conversion in industrial control modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'G' confirms RoHS compliance status as per the manufacturer's latest documentation. Confirm the package variant matches the required through-hole mounting specifications. Check for any End-of-Life notifications or discontinuance alerts associated with this specific part number before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 15V output is required with up to 3A load capacity. Ensure the input voltage remains between 7V and 40V. Consider the TO-220-5 package for thermal management needs. Verify that the 52kHz switching frequency aligns with electromagnetic interference constraints in the target design.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2576 family of simple-to-use step-down switching regulators. The series offers fixed output voltages including 3.3V, 5V, 12V, and 15V, alongside adjustable versions. The LM2576T-15G specifically targets applications needing a regulated 15V rail from a higher unregulated source, providing high efficiency compared to linear alternatives.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2576T-15/NOPB (Texas Instruments) is a parameter-equivalent alternative offering the same 15V fixed output and 3A current rating in a compatible TO-220 package.