P-CHANNEL
POWER MOSFET
SFF9240
Fig 15. Peak Diode Recovery dv/dt Test Circuit & Waveforms
+
VDS
DUT
--
I S
L
Driver
VGS
Compliment of DUT
RG
(N-Channel)
VDD
VGS
• dv/dt controlled by “RG”
• IS controlled by Duty Factor “D”
Gate Pulse Width
VGS
--------------------------
D =
Gate Pulse Period
10V
( Driver )
Body Diode Reverse Current
IRM
I S
( DUT )
di/dt
IFM , Body Diode Forward Current
Vf
VDS
( DUT )
Body Diode
VDD
Forward Voltage Drop
Body Diode Recovery dv/dt