70N06
TEST CIRCUITS AND WAVEFORMS
MOSFET
D.U.T.
+
V
DS
-
+
-
L
R
G
Driver
V
GS
Same Type
as D.U.T.
* dv/dt controlled by R
G
* I
SD
controlled by pulse period
* D.U.T.-Device Under Test
V
DD
Fig. 1A Peak Diode Recovery dv/dt Test Circuit
V
GS
(Driver)
P.W.
Period
D=
P. W.
Period
V
GS
= 10V
I
FM
, Body Diode Forward Current
I
SD
(D.U.T.)
I
RM
Body Diode Reverse Current
di/dt
Body Diode Recovery dv
/dt
V
DS
(D.U.T.)
V
DD
Body Diode
Forward Voltage Drop
Fig. 1B Peak Diode Recovery dv/dt Waveforms
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 8
QW-R502-089,A