IRF7420
(
RDS ( on ) , Drain-to-Source On Resistance
Ω
)
(
RDS(on) Drain-to -Source On Resistance
Ω)
,
0.025
0.08
0.020
0.06
VGS = -1.8V
0.04
0.015
ID = -11.5A
0.010
0.02
VGS = -2.5V
0.005
0.0
2.0
4.0
6.0
8.0
VGS = -4.5V
0
0.0
10.0
20.0
30.0
40.0
50.0
-ID , Drain Current ( A )
-VGS, Gate -to -Source Voltage (V)
Fig 12.
Typical On-Resistance Vs.
Gate Voltage
Fig 13.
Typical On-Resistance Vs.
Drain Current
Current Regulator
Same Type as D.U.T.
50KΩ
Q
G
Q
GS
V
G
Q
GD
12V
.2µF
.3µF
V
GS
-3mA
Charge
I
G
I
D
Current Sampling Resistors
Fig 14a.
Basic Gate Charge Waveform
Fig 14b.
Gate Charge Test Circuit
6
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+
D.U.T.
-
V
DS
IRF [ INTERNATIONAL RECTIFIER ]
