+
VDS
DUT
_
I SD
L
Driver
RG
Compliment of DUT
(N-Channel)
VDD
VGS
• dv/dt controlled by RG
• ISD controlled by pulse period
VGS
( Driver )
D
=
--G--a--t-e--P---u-l-s-e---W---i-d-t-h--
Gate Pulse Period
10V
I SD
( DUT )
VDS
( DUT )
Body Diode Reverse Current
IRM
di/dt
IFM , Body Diode Forward Current
VSD
Body Diode
VDD
Forward Voltage Drop
Body Diode Recovery dv/dt
Figure 15. Peak Diode Recovery dv/dt Test Circuit & Waveforms
©2008 Fairchild Semiconductor Corporation
6
FQD2P40 Rev. C0
www.fairchildsemi.com