Typical Characteristics
VDS
VGS
RGE
L
DUT
0V
VGS tp
vary tP to obtain
required peak IAS
IAS
0.01Ω
+
VDD
-
tP
IAS
BVDSS
VDS
VDD
Figure 25. Unclamped Inductive Load Test
Circuit
Drain Current
Same type as
tAV
Figure 26. Unclamped Inductive
Waveforms
+
10V
50kΩ
-
10µF
1µF
VGS
Ig(REF
DUT
+
VDD
-
10V
VGS
QG(TOT)
QGS QGD
Charge, (nC)
Figure 27. Gate Charge Test Circuit
Figure 28. Gate Charge Waveform
VDS
VGS
RGEN
VGSPulse Width ≤ 1µs
Duty Cycle ≤ 0.1%
RL
DUT
VDS
tON
td(ON)
tr
90%
tOFF
td(OFF
)
tf
90%
+
VDD
-
0V
VGS
10%
0V
10%
10%
50%
90%
50%
Pulse Width
Figure 29. Switching Time Test
Circuit
Figure 30. Switching Time Waveforms
FDS6986AS Rev A (X)