IRF6668 International Rectifier, IRF6668 Datasheet - Page 6

• Manufacturer Part Number: IRF6668
• Description: DirectFet Power MOSFET
• Manufacturer: International Rectifier

IRF6668
6
Fig 15a. Unclamped Inductive Test Circuit
12V
R G
V
Fig 16a. Switching Time Test Circuit
20V
GS
GS
V DS
Fig 14a. Gate Charge Test Circuit
Same Type as D.U.T.
Current Regulator
t p
.2µF
≤ 0.1 %
≤ 1
I AS
D.U.T
50KΩ
3mA
Current Sampling Resistors
0.01 Ω
L
.3µF
I
G
D.U.T.
15V
I
D
DRIVER
+
-
V
+
-
DS
V DD
+
-
A
90%
V
10%
V
DS
I
AS
Vgs(th)
Fig 15b. Unclamped Inductive Waveforms
GS
Qgs1 Qgs2
Vds
Fig 16b. Switching Time Waveforms
Fig 14b. Gate Charge Waveform
t
d(on)
Qgd
t
r
t p
Qgodr
t
d(off)
V
(BR)DSS
t
f
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Vgs
Id