SFP9640L
P-CHANNEL
POWER MOSFET
Fig 15. Peak Diode Recovery dv/dt Test Circuit & Waveforms
DUT
IS
VGS
Driver
RG
VGS
+
VDS
--
L
Same Type
as DUT
• dv/dt controlled by "RG"
• IS controlled by Duty Factor "D"
VDD
VGS
( Driver )
IS
( DUT )
VDS
( DUT )
D
=
--G--a-t-e--P--u-l-s-e--W---i-d--th-----
Gate Pulse Period
10V
IFM , Body Diode Forward Current
di/dt
IRM
Body Diode Reverse Current
Body Diode Recovery dv/dt
Vf
VDD
Body Diode
Forward Voltage Drop