IRF7494 International Rectifier, IRF7494 Datasheet - Page 6

• Manufacturer Part Number: IRF7494
• Description: HEXFET Power MOSFET
• Manufacturer: International Rectifier

IRF7494
I
AS
12V
Fig 15a&b. Unclamped Inductive Test circuit
6
V
Fig 14a&b. Basic Gate Charge Test Circuit
GS
Same Type as D.U.T.
Fig 12. On-Resistance vs. Drain Current
Current Regulator
.2 F
50
45
40
35
30
50K
3mA
t p
Current Sampling Resistors
0
.3 F
I
G
5
V
(BR)DSS
D.U.T.
I
D
and Waveforms
10
and Waveform
+
-
I D , Drain Current (A)
V
V GS = 10V
DS
15
V
R G
GS
20V
20
V DS
t p
V
G
25
Q
I AS
GS
D.U.T
0.01
L
30
Charge
Q
Q
GD
G
35
15V
40
DRIVER
+
-
45
V DD
A
Fig 13. On-Resistance vs. Gate Voltage
1000
800
700
600
500
400
300
200
100
800
600
400
200
0
0
Fig 15c. Maximum Avalanche Energy
25
4
Starting T J , Junction Temperature (°C)
V GS, Gate -to -Source Voltage (V)
6
50
vs. Drain Current
8
I D = 5.2A
75
10
100
12
TOP
BOTTOM 3.1A
125
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14
150
16
I D
1.3A
2.6A
175
18