User guide
27 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 performance
Vout=Blue, V
GE
=Yellow, I
L1
=Red,V
CE
=Green
Figure 19
Full load start-up at V
IN
=264 V
AC
4.3
Input current and inductor current cancellation
The next six waveforms show the input AC current and two inductor current waveforms of the converter at full
load. The interleaving operation is clear and the two-channel currents are phase-shifted 180°.
I
IN
= Green, I
L1
=Yellow, I
L2
=Red
Figure 20
Interleaving operation at full load at V
IN
=180 V
AC