![](/html/IR/931242/page6.png)
IRF7401PbF-1
QG
4.5V
QGS
QGD
VG
Charge
Fig 12a. Basic Gate Charge Waveform
Current Regulator
Same Type as D.U.T.
50KΩ
12V
.2μF
.3μF
+
D.U.T. -VDS
VGS
3mA
IG
ID
Current Sampling Resistors
Fig 12b. Gate Charge Test Circuit
6
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November 18, 2013