Datasheet

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6
Figure 14. Peak Diode Recovery dv/dt Test Circuit & Waveforms
DUT
V
DS
+
_
Driver
R
G
Same Type
as DUT
V
GS
• dv/dt controlled by R
G
•I
SD
controlled by pulse period
V
DD
L
I
SD
10V
V
GS
( Driver )
I
SD
( DUT )
V
DS
( DUT )
V
DD
Body Diode
Forward Voltage Drop
V
SD
I
FM
, Body Diode Forward Current
Body Diode Reverse Current
I
RM
Body Diode Recovery dv/dt
di/dt
D =
Gate Pulse Width
Gate Pulse Period
--------------------------
DUT
V
DS
+
_
Driver
R
G
Same Type
as DUT
V
GS
• dv/dt controlled by R
G
•I
SD
controlled by pulse period
V
DD
LL
I
SD
10V
V
GS
( Driver )
I
SD
( DUT )
V
DS
( DUT )
V
DD
Body Diode
Forward Voltage Drop
V
SD
I
FM
, Body Diode Forward Current
Body Diode Reverse Current
I
RM
Body Diode Recovery dv/dt
di/dt
D =
Gate Pulse Width
Gate Pulse Period
--------------------------
D =
Gate Pulse Width
Gate Pulse Period
--------------------------
©2010 Fairchild Semiconductor Corporation
FDPF8N50NZU Rev C1
FDPF8N50NZU — N-Channel UniFET
TM
II Ultra FRFET
TM
MOSFET