0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
DC
100V
200V
300V
400V
480V
480V
480V
480V
480V
480V
480V75C
480V75C
480V75C
480V75C
480V75C
480V150C
480V150C
480V150C
480V150C
480V150C
d-Rdson (Ohm)
Bias (each point separated in time by 1 min)
25 to 150C, 100V to 480V,
f
sw
= 100 Hz, DC = 1%
1us
5us
HV GaN HEMT dynamic Rds(on): Today
Negligible dynamic Rds(on) effect over drain voltages (up
to 480V) and temperatures is observed.
At 75C and 150C :
Rds(on) is stable after
bias (increase is due to
expected change with
temperature).
After bias RDSon is
stable with voltage