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IRF7420 Datasheet, PDF (4/9 Pages) International Rectifier – HEXFET Power MOSFET
IRF7420
5500
5000
4500
4000
3500
Ciss
VGS = 0V, f = 1 MHZ
Ciss = Cgs + Cgd, Cds SHORTED
Crss = Cgd
Coss = Cds + Cgd
3000
2500
2000
1500
Coss
1000 Crss
500
0
1
10
100
-VDS, Drain-to-Source Voltage (V)
Fig 5. Typical Capacitance Vs.
Drain-to-Source Voltage
6  ID = -11.5A
5
 V DS=-9.6V
V DS=-6V
4
3
2
1
0
0
10
20
30
40
50
QG , Total Gate Charge (nC)
Fig 6. Typical Gate Charge Vs.
Gate-to-Source Voltage
100
10
 TJ = 150° C
1
 TJ = 25°C
0.1
0.2
 V GS = 0 V
0.4
0.6
0.8
1.0
1.2
-VSD ,Source-to-Drain Voltage (V)
Fig 7. Typical Source-Drain Diode
Forward Voltage
4
1000
 OPERATION IN THIS AREA LIMITED
BY RDS(on)
100
 100us
 1ms
10
 TC = 25 °C
TJ = 150 °C
Single Pulse
1
0.1
1
 10ms
10
100
-VDS , Drain-to-Source Voltage (V)
Fig 8. Maximum Safe Operating Area
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