IRF7490PBF Datasheet, PDF (6/9 Pages) International Rectifier – HEXFET Power MOSFET

IRF7490PbF
0.045
0.06
0.040
0.035
VGS = 10V
0.05
0.04
ID = 3.2A
0.030
0
10
20
30
40
50
ID , Drain Current (A)
Fig 12. On-Resistance Vs. Drain Current
Current Regulator
Same Type as D.U.T.
50KΩ
12V
.2µF
.3µF
V_GS
3mA
D.U.T.
+
-V^DS
V_GS
Q_GS
V_G
I_G
I_D
Current Sampling Resistors
Q_G
Q_GD
Charge
Fig 14a&b. Basic Gate Charge Test Circuit
and Waveform
0.03
4.0
8.0
12.0
16.0
VGS, Gate -to -Source Voltage (V)
Fig 13. On-Resistance Vs. Gate Voltage
240
ID
TOP
1.4A
200
2.6A
BOTTOM ^3.2A
160
120
V(BR)DSS
tp
I AS
VDS
L
RG
20V
tp
D.U.T
I_AS
0.01Ω
15V
DRIVER
+
-
VDD
A
80
40
0
25
50
75
100
125
150
Starting TJ, Junction Temperature (°C)
Fig 15a&b. Unclamped Inductive Test circuit
and Waveforms
6
Fig 15c. Maximum Avalanche Energy
Vs. Drain Current
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