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
