IRFP23N50L, SiHFP23N50L
Vishay Siliconix
15 V
VDS
L
Driver
RG
20 V
tp
D.U.T
IAS
0.01Ω
+
- VDD
A
Fig. 15a - Unclamped Inductive Test Circuit
Current regulator
Same type as D.U.T.
12 V
50 kΩ
0.2 µF
0.3 µF
+
D.U.T. - VDS
VGS
3 mA
IG
ID
Current sampling resistors
Fig. 16a - Gate Charge Test Circuit
VDS
tp
IAS
Fig. 15b - Unclamped Inductive Waveforms
10 V
QGS
VG
QG
QGD
Charge
Fig. 16b - Basic Gate Charge Waveform
www.vishay.com
6
Document Number: 91209
S-81352-Rev. A, 16-Jun-08