Maybe it's this one.. pinout seems to match and datasheet mentions FC2 as marking :
fitipower integrated technology lnc
FR8204https://datasheet.lcsc.com/szlcsc/Fitipower-Integrated-Tech-FR8204S6CTR_C172766.pdfLow RDS(ON)Integrated Power MOSFET(170mΩ/90mΩ)
Internal Compensation Function
Wide Input Voltage Range: 4.5V to 18V
0.8V Reference Voltage
2AOutput Current
500kHzSwitching Frequency
1msSoft-StartTime
Cycle-by-Cycle Current Limit
Over-Temperature Protectionwith Auto Recovery
Under Voltage Lockout
Hiccup Short Circuit Protection
SOT-23-6 Package