IRF7831 International Rectifier, IRF7831 Datasheet - Page 6

• Manufacturer Part Number: IRF7831
• Description: HEXFETPower MOSFET
• Manufacturer: International Rectifier

Fig 12a. Unclamped Inductive Test Circuit
6
Fig 12b. Unclamped Inductive Waveforms
Fig 13. Gate Charge Test Circuit
I
AS
12V
V
GS
R G
20V
Same Type as D.U.T.
V
V DS
GS
Current Regulator
.2µF
t p
50KΩ
3mA
I AS
Current Sampling Resistors
D.U.T
t p
.3µF
0.01 Ω
L
I
G
D.U.T.
15V
I
V
D
(BR)DSS
DRIVER
+
-
V
+
-
DS
V DD
A
500
400
300
200
100
90%
V
10%
0
V
Fig 14a. Switching Time Test Circuit
Fig 14b. Switching Time Waveforms
DS
25
GS
Fig 12c. Maximum Avalanche Energy
Starting T J , Junction Temperature (°C)
t
d(on)
50
Duty Factor < 0.1%
Pulse Width < 1µs
V
Vs. Drain Current
GS
t
r
75
V
DS
t
100
d(off)
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D.U.T
TOP
BOTTOM
L
t
D
f
125
V
DD
13A
+
11A
-
I D
16A
150