Datasheet

IRF7402
6 www.irf.com
R
DS(on)
, Drain-to-Source On Resistance ( Ω )
Fig 13. Typical On-Resistance Vs. Drain
Current
Fig 14. Typical On-Resistance Vs. Gate
Voltage
R
DS(on)
, Drain-to-Source On Resistance ( Ω )
D
Fig 12a. Basic Gate Charge Waveform
D.U.T.
V
DS
I
D
I
G
3mA
V
GS
.3µF
50KΩ
.2µF
12V
Current Regulator
Same Type as D.U.T.
Current Sampling Resistors
+
-
Q
G
Q
GS
Q
GD
V
G
Charge
4.5V
Fig 12b. Gate Charge Test Circuit