DUT
+
VDS
_
I SD
L
Driver
RG
Same Type
as DUT
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 )
IFM , Body Diode Forward Current
di/dt
IRM
Body Diode Reverse Current
Body Diode Recovery dv/dt
VSD
VDD
Body Diode
Forward Voltage Drop
Figure 15. Peak Diode Recovery dv/dt Test Circuit & Waveforms
©2007 Fairchild Semiconductor Corporation
6
FQA8N90C_F109 Rev C1
www.fairchildsemi.com