LX1571CM

Power Supply Controllers, Monitors Overview

The LX1571CM is a secondary-side controller integrated circuit manufactured by Microsemi Corporation. It belongs to the LX1570/71 series, designed to provide all control functions for isolated auxiliary or secondary power regulators. The device is housed in an 8-DIP package with dimensions of 0.300 inches (7.62mm). It serves as a dedicated solution for managing voltage regulation tasks in isolated power supply architectures.

Power Supply Controllers, Monitors Feature Summary

• Provides complete control functions for secondary-side regulation
• Designed specifically for isolated auxiliary and secondary power applications

Power Supply Controllers, Monitors Applications

• Isolated auxiliary power supplies
• Secondary side power regulation circuits

Power Supply Controllers, Monitors Procurement Notes

Verify the manufacturer origin, noting that Microsemi has been acquired by Microchip Technology. Confirm the specific package type matches the design requirements. Check for any obsolescence notices or lifecycle status updates from the current manufacturer. Ensure the component meets necessary environmental compliance standards required for the target application.

Power Supply Controllers, Monitors Selection Notes

Select this component when a dedicated secondary-side controller is required for isolated power designs. Consider the 8-DIP package constraint during PCB layout planning. Evaluate if the integrated control functions meet the specific isolation and regulation needs of the auxiliary power stage without requiring additional external logic.

Power Supply Controllers, Monitors Part Context

This part is part of the LX1570/71 series of controller ICs. These devices are engineered to simplify the design of isolated power supplies by integrating essential control loops into a single chip. The series targets applications requiring reliable secondary-side regulation with minimal external component count.

Power Supply Controllers, Monitors Replacement Considerations

Check for direct substitutes within the LX1570/71 family, such as the LX1570CM, ensuring pin compatibility and functional equivalence. Verify if newer revisions from Microchip offer improved specifications or updated packaging options.