FAN6100QMPX

Power Supply Controllers, Monitors Overview

The FAN6100QMPX is a secondary-side constant voltage and constant current power supply controller manufactured by Fairchild Semiconductor. It operates within a supply voltage range of 3.12V to 6V and features an operating temperature range from -40°C to 125°C. The device draws a typical supply current of 2.4 mA and is housed in a 20-MLPQ (3x4) package. It supports wide input voltage ranges up to 16V for versatile power system integration.

Power Supply Controllers, Monitors Feature Summary

• Provides secondary-side regulation with combined constant voltage and constant current control capabilities
• Designed for high-efficiency operation with low supply current consumption
• Supports robust performance across extended industrial temperature ranges

Power Supply Controllers, Monitors Applications

• Secondary-side control in isolated DC-DC converters
• Battery charging systems requiring precise current limiting
• LED driver applications needing constant current regulation

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix 'MPX' against the official datasheet to confirm tape-and-reel packaging and quantity specifications. Ensure the component meets RoHS compliance requirements as indicated in manufacturer documentation. Cross-reference the part number with onsemi or Fairchild Semiconductor official sources to validate authenticity and current production status before procurement.

Power Supply Controllers, Monitors Selection Notes

Select this component when secondary-side regulation is required for isolated topologies. Consider the 20-MLPQ package constraints for PCB layout. Verify that the 3.12V to 6V supply range aligns with your auxiliary winding design. Ensure thermal management supports the -40°C to 125°C operating range for your specific application environment.

Power Supply Controllers, Monitors Part Context

This part belongs to the FAN6100 series of secondary-side controllers. It is produced by Fairchild Semiconductor, which has since been acquired by onsemi. The component is designed for use in modern power supply architectures where precise output regulation and efficiency are critical. It serves as a key element in controlling the feedback loop on the secondary side of isolated converters.

Power Supply Controllers, Monitors Replacement Considerations

Consult official substitution guides from onsemi for direct pin-compatible alternatives. Verify electrical parameters such as supply voltage range and operating temperature against potential replacement parts. Ensure any substitute maintains the same MLPQ package dimensions and pin configuration for seamless integration.