IRF7420PBF Datasheet, PDF (6/9 Pages) International Rectifier – HEXFET Power MOSFET

IRF7420PbF
0.025
0.020
0.015
0.010
ID = -11.5A
0.005
0.0
2.0
4.0
6.0
8.0
-VGS, Gate -to -Source Voltage (V)
Fig 12. Typical On-Resistance Vs.
Gate Voltage
0.08
0.06
VGS = -1.8V
0.04
VGS = -2.5V
0.02
0
0.0
VGS = -4.5V
10.0 20.0 30.0 40.0 50.0
-ID , Drain Current ( A )
Fig 13. Typical On-Resistance Vs.
Drain Current
Q_GS
V_G
Q_G
Q_GD
Charge
Fig 14a. Basic Gate Charge Waveform
6
Current Regulator
Same Type as D.U.T.
50KΩ
12V
.2µF
.3µF
D.U.T.
-
+VDS
V_GS
-3mA
I_G
I_D
Current Sampling Resistors
Fig 14b. Gate Charge Test Circuit
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