IRF550 Fairchild Semiconductor, IRF550 Datasheet - Page 6

• Manufacturer Part Number: IRF550
• Description: Advanced Power MOSFET
• Manufacturer: Fairchild Semiconductor

IRF550A
( Driver )
( DUT )
( DUT )
V
V
I
GS
S
DS
V V
GS
Fig 15. Peak Diode Recovery dv/dt Test Circuit & Waveforms
V
GS
R
G
DUT
Driver
I
I
FM
D =
S
, Body Diode Forward Current
--------------------------
Forward Voltage Drop
Gate Pulse Width
Gate Pulse Period
Body Diode
Same Type
as DUT
Body Diode Recovery dv/dt
V
• dv/dt controlled by “R
• I
+
--
V
DS
S
f
controlled by Duty Factor “D”
Body Diode Reverse Current
I
RM
L
G
”
di/dt
POWER MOSFET
V
V
10V
DD
N-CHANNEL
DD