Active Power Factor Correction Using MC33262 Power BCM RFI

 https://www.pcbway.com/project/shareproject/Active_power_factor_correction_f0ab61eb.html

 https://www.digikey.tw/zh/articles/designing-efficient-interleaved-power-factor-correction-solutions

 https://freecircuitdiagram.com/996-active-power-factor-correction-circuit/

 https://techweb.rohm.com/product/power-device/si/si-basic/7485/

https://www.digikey.tw/reference-designs/en/power-management/power-factor-correction 

Capacity Voltage Regulation Power factor compensation Correction

https://www.monolithicpower.com/en/power-factor-correction