FAN301ULMY

Power Supply Controllers, Monitors Overview

The FAN301ULMY is a PWM controller from the mWSaver series, designed for offline flyback converters. It operates with a fixed switching frequency of 49 kHz and supports an input voltage range of 5 V to 16 V. The device features a single output configuration with a maximum output voltage of 25 V and an output current capability of 450 uA. It delivers up to 660 mW of output power while consuming 3 mA of operating supply current. The component functions reliably within a temperature range of -40°C to +105°C and is housed in an SOIC-8 surface-mount package.

Power Supply Controllers, Monitors Feature Summary

• Integrates mWSaver technology for enhanced efficiency in offline applications
• Provides comprehensive fault protection including overvoltage, overtemperature, and current limiting
• Supports flyback topology with a fixed 49 kHz switching frequency

Power Supply Controllers, Monitors Applications

• Offline AC/DC converter designs
• Flyback power supply implementations
• General-purpose power management ICs

Power Supply Controllers, Monitors Procurement Notes

Verify the specific manufacturer origin, as Fairchild Semiconductor assets were acquired by onsemi. Confirm RoHS compliance status through official documentation. Check for obsolescence or lifecycle changes, as some sources indicate discontinuation. Ensure the SOIC-8 package matches your PCB footprint requirements before finalizing procurement decisions.

Power Supply Controllers, Monitors Selection Notes

Select this component for low-power offline applications requiring fixed-frequency operation. Consider the 49 kHz switching rate for EMI filtering requirements. Evaluate the 5 V to 16 V supply range against your system's startup needs. Verify that the 450 uA output current meets the gate drive requirements of your external switch.

Power Supply Controllers, Monitors Part Context

This part belongs to the mWSaver family of power management integrated circuits. These controllers are engineered for cost-effective and efficient power conversion solutions. The series targets applications where moderate performance and reliability are prioritized over high-frequency miniaturization.

Power Supply Controllers, Monitors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data.