Efficiency vs Frequency at half-load
Comparing GaN cascode vs superjunction
APEC 2015 Seminar S17
69
93.5
94
94.5
95
95.5
96
96.5
97
0 100 200 300 400 500
Efficiency
freq[Khz]
GaN efficiency
SJ efficiency
Freq
[Khz]
Efficiency_GaN
[%]
Efficiemcy_SJ
[%]
100 96.7 96.5
200 96.5 96.2
300 96.4 95.4
350 96.3 95
400 95.9 94
450 95.6
500 95.4