IRF6633 International Rectifier, IRF6633 Datasheet - Page 6

• Manufacturer Part Number: IRF6633
• Description: DirectFET Power MOSFET
• Manufacturer: International Rectifier

Fig 16b. Unclamped Inductive Test Circuit
IRF6633
Fig 15a. Gate Charge Test Circuit
6
12V
V
GS
R G
20V
GS
Same Type as D.U.T.
V DS
Fig 17a. Switching Time Test Circuit
Current Regulator
Duty Factor < 0.1%
Pulse Width < 1µs
.2µF
V
t p
GS
50KΩ
3mA
I AS
Current Sampling Resistors
D.U.T
V
.3µF
DS
0.01 Ω
L
I
G
D.U.T.
D.U.T
I
D
15V
L
D
V
DRIVER
+
-
DD
V
DS
+
-
+
-
V DD
A
90%
V
10%
V
DS
Fig 15b. Gate Charge Waveform
GS
Fig 16c. Unclamped Inductive Waveforms
I
AS
Vgs(th)
Fig 17b. Switching Time Waveforms
Qgs1 Qgs2
Vds
t
d(on)
t
r
Qgd
t p
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Qgodr
t
d(off)
V
(BR)DSS
t
f
www.irf.com
Vgs
Id