AO4914_11 Datasheet, PDF (9/9 Pages) Alpha & Omega Semiconductors – 30V Dual N-Channel MOSFET with Schottky Diode

AO4914
+
VDC
-
Vgs
Ig
Gate Charge Test Circuit & Waveform
+
Vds
VDC
DUT ^-
Vgs
10V
Qgs
Qg
Qgd
Vds
Vgs
Rg
Resistive Switching Test Circuit & Waveforms
RL
Vds
DUT
+
Vdd
VDC
-
Charge
90%
10%
Vgs
Vgs
t_d(on) tr
t_on
t_d(off)
tf
t_off
Vds
Id
Vgs
Rg
Vgs
Unclamped Inductive Switching (UIS) Test Circuit & Waveforms
L
2
E_AR= 1/2 LI_AR
Vds
Vgs
+
Vdd
VDC
-
Id
DUT
Vgs
B V_{D 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
I _RM
VDC
-
Vds
Vdd
Rev 11: Mar. 2011
www.aosmd.com
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