FQT3P20 Fairchild Semiconductor, FQT3P20 Datasheet - Page 6

• Manufacturer Part Number: FQT3P20
• Manufacturer: Fairchild Semiconductor

©2001 Fairchild Semiconductor Corporation
( Driver )
( Driver )
( DUT )
( DUT )
( DUT )
( DUT )
V
V
V
V
I
I
GS
GS
S
S
DS
DS
V
V
GS
GS
Peak Diode Recovery dv/dt Test Circuit & Waveforms
R
R
G
G
DUT
DUT
Driver
Driver
I
I
I
I
I
FM
FM
S
S
S
D =
D =
D =
, Body Diode Forward Current
, Body Diode Forward Current
Forward Voltage Drop
Forward Voltage Drop
--------------------------
--------------------------
--------------------------
Gate Pulse Period
Gate Pulse Period
Gate Pulse Period
Gate Pulse Width
Gate Pulse Width
Gate Pulse Width
Body Diode
Body Diode
Compliment of DUT
Compliment of DUT
V
V
• dv/dt controlled by R
• dv/dt controlled by R
• I
• I
Body Diode Recovery dv/dt
Body Diode Recovery dv/dt
+
+
DS
DS
_
_
(N-Channel)
(N-Channel)
S
S
V
V
controlled by pulse period
controlled by pulse period
Body Diode Reverse Current
Body Diode Reverse Current
f
f
I
I
L
L L
RM
RM
G
G
di/dt
di/dt
V
V
DD
DD
V
V
10V
10V
DD
DD
Rev. A, May 2001