AN1616 THD优化器电路的PFC预调节器

AN1616 THD优化器电路的PFC预调节器

AN1616
APPLICATION NOTE

THD-OPTIMIZER CIRCUITS FOR PFC PRE-REGULATORS
by Claudio Adragna


Although THD (Total Harmonic Distortion) is not explicitly considered in IEC 61000-3-2 standards, nei-
ther it needs to be very low in order for a piece of equipment to get the presumption of conformity, how-
ever it has become established to require an ultra-low THD in some applications such as electronic
lamp ball