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