Controller Design Considerations for ACM APFC Systems
Figure 4
Normalized voltages of the error amplifier , the feed-forward network , and the divider output , in the original design (250 W) (a); modified design (250 W) (b), Modified design (125 W) (c), Modified design waveforms of the normalized rectified voltage , converter's input current , and the APFC's charging current (d).
