IRF5804
FOR REVIEW ONLY
0.40
0.35
0.30
0.25
0.20
ID = -2.5A
0.15
0.10
4.0
5.0
6.0
7.0
8.0
9.0 10.0
-VGS, Gate -to -Source Voltage (V)
Fig 12. Typical On-Resistance Vs.
Gate Voltage
0.40
0.35
0.30
VGS = -4.5V
0.25
0.20
0.15
VGS = -10V
0.10
1
2
3
4
5
6
7
8
9 10
-ID , Drain Current (A)
Fig 13. Typical On-Resistance Vs.
Drain Current
QGS
VG
QG
QGD
Charge
Fig 14a. Basic Gate Charge Waveform
6
Current Regulator
Same Type as D.U.T.
50KΩ
12V
.2µF
.3µF
D.U.T.
-
+VDS
VGS
-3mA
IG
ID
Current Sampling Resistors
Fig 14b. Gate Charge Test Circuit
www.irf.com