UT2340
TEST CIRCUITS AND WAVEFORMS
D.U.T.
+
+
ISD
-
VDS
-
L
Power MOSFET
RG
Driver
VDD
* dv/dt controlled by RG
Same Type
VGS
as D.U.T.
* ISD controlled by pulse period
* D.U.T.-Device Under Test
VGS
(Driver)
ISD
(D.U.T.)
VDS
(D.U.T.)
Peak Diode Recovery dv/dt Test Circuit
P.W.
Period
P. W.
D=
Period
VGS= 10V
IFM, Body Diode Forward Current
IRM
di/dt
Body Diode Reverse Current
VDD
Body Diode Recovery dv/dt
Body Diode
Forward Voltage Drop
Peak Diode Recovery dv/dt Waveforms
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 7
QW-R502-162.F