Nov 12, 2011 #1 G grizedale Advanced Member level 3 Joined Jun 13, 2011 Messages 838 Helped 17 Reputation 34 Reaction score 17 Trophy points 1,298 Activity points 8,804 The following app note states (on page 4) that there are two types of CCM Boost PFC......... https://www.fairchildsemi.com/an/AN/AN-42047.pdf one Type is Average current mode CCM PFC the other type is input current waveshpaing. Supposing that the actual load is highly transient in nature...then which of the two methods is the best?
The following app note states (on page 4) that there are two types of CCM Boost PFC......... https://www.fairchildsemi.com/an/AN/AN-42047.pdf one Type is Average current mode CCM PFC the other type is input current waveshpaing. Supposing that the actual load is highly transient in nature...then which of the two methods is the best?
Nov 14, 2011 #2 A atripathi Advanced Member level 1 Joined Dec 2, 2009 Messages 450 Helped 91 Reputation 182 Reaction score 88 Trophy points 1,318 Location INDIA Activity points 3,818 I think both are same from "PFC" perspective, The input current shaping method does not need to sense input voltage, and same information is indirectly derived. From a transient load perspective, they both may be same.
I think both are same from "PFC" perspective, The input current shaping method does not need to sense input voltage, and same information is indirectly derived. From a transient load perspective, they both may be same.