
User guide
14 of 41
v1.0
2021-03-05
5 kW two-channel interleaved CCM PFC EVAL board
IKW40N65WR5, IDW60C65D1 and 1ED44175 in high frequency PFC application
System design
Figure 8 depicts the UCC28070 analog control and its parameter settings with external resistors and capacitors.
Potentiometer R115 sets converter switching frequency, it is very easy for customer to adjust switching
frequency.
Figure 8
UCC28070 parameter settings of EVAL-PFC5KIKWWR5SYS