AO4624
GateꢀChargeꢀTestꢀCircuitꢀ&ꢀWaveform
Vgs
Qg
ꢁ
ꢁ10V
ꢁ
VDC
Qgs
Qgd
+
Vds
VDC
+
DUT
Vgs
Ig
Charge
ResistiveꢀSwitchingꢀTestꢀCircuitꢀ&ꢀWaveforms
RL
Vds
toff
ton
t
td(off)
td(on)
t
r
f
Vgs
ꢁ
90%
10%
DUT
Vdd
Vgs
VDC
+
Rg
Vgs
Vds
UnclampedꢀInductiveꢀSwitchingꢀ(UIS)ꢀTestꢀCircuitꢀ&ꢀWaveforms
EAꢀꢀRꢀ=ꢀ1/2ꢀLIA2R
L
Vds
Id
Vgs
Vds
ꢁ
BVDSS
Vgs
Vdd
VDC
+
Id
Rg
I AR
DUT
Vgs
Vgs
DiodeꢀRecoveryꢀTestꢀCircuitꢀ&ꢀWaveforms
Qꢀꢀꢀ=ꢀꢁꢀꢀꢀIdt
Vdsꢀ+
Vdsꢀꢁ
Ig
rr
DUT
Vgs
ꢁIsd
trr
L
ꢁIF
Isd
Vgs
dI/dt
ꢁIRM
+
Vdd
VDC
Vdd
ꢁ
ꢁVds
Alpha & Omega Semiconductor, Ltd.