
万和兴电子有限公司 www.whxpcb.com
VDC
Vgs
Ig
Gate Charge Test Circuit & W aveform
Vgs
Qg
-10V
VDC
DUT
Vds
Qgs
Qgd
Vds
Vgs
Rg
Resistive Switching Test Circuit & Waveforms
RL
Vgs
ton
td(on) tr
toff
td(off)
tf
DUT
Vdd
VDC
Charge
90%
Vgs
10%
Vds
Vds
Id
Vgs
Rg
Vgs
Unclamped Inductive Switching (UIS) Test Circuit & Waveforms
2
L
EAR= 1/2 LIAR
Vgs
DUT
Vds
Vdd
VDC
Id
Vgs
B VD S S
I AR
Vds +
DUT
Diode Recovery Test Circuit & Waveforms
Q rr = - Idt
Vgs
Vds -
Isd
Vgs
Ig
L
-Isd
-I F
t rr
dI/dt
+
Vdd
VDC
-I RM
-
-Vds
Vdd
Rev.11.0 June 2013
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