FQD3N50C Fairchild Semiconductor, FQD3N50C Datasheet - Page 6

• Manufacturer Part Number: FQD3N50C
• Description: Fqd3n50c/fqu3n50c 500v N-channel Mosfet
• Manufacturer: Fairchild Semiconductor

FQD3N50C/FQU3N50C Rev. A
( Driver )
( Driver )
( DUT )
( DUT )
( DUT )
( DUT )
V
V
I
I
V
V
GS
GS
SD
SD
DS
DS
V
V
GS
GS
Peak Diode Recovery dv/dt Test Circuit & Waveforms
R
R
G
G
Driver
Driver
DUT
DUT
I
I
FM
FM
I
I
D =
D =
D =
SD
SD
, Body Diode Forward Current
, Body Diode Forward Current
Forward Voltage Drop
Forward Voltage Drop
--------------------------
--------------------------
--------------------------
Gate Pulse Width
Gate Pulse Width
Gate Pulse Width
Gate Pulse Period
Gate Pulse Period
Gate Pulse Period
Body Diode
Body Diode
Same Type
Same Type
V
V
Body Diode Recovery dv/dt
Body Diode Recovery dv/dt
as DUT
as DUT
+
+
_
_
DS
DS
• dv/dt controlled by R
• dv/dt controlled by R
• I
• I
V
V
SD
SD
6
SD
SD
Body Diode Reverse Current
Body Diode Reverse Current
controlled by pulse period
controlled by pulse period
I
I
RM
RM
L
L L
G
G
di/dt
di/dt
V
V
V
V
10V
10V
DD
DD
DD
DD
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