GaN HEMT Safe Operating Area
APEC 2015 Seminar S17
31
Measured destruct current >2x higher than calculated thermal limit
Lines represent calculated thermal limit – points are measured failures
Experimental data from 190 mΩ max cascode prototype
0.1
1
10
100
Drain Current, I
D
(A)
Drain-Source Voltage, V
DS
(V)
10 ms
1 ms
100 μs