IRFR3704 Datasheet, PDF (6/9 Pages) International Rectifier – Power MOSFET(Vdss=20V, Rds(on)max=9.5mohm, Id=75A④)

IRFR/U3704
0.020
0.015
0.010
VGS = 4.5V
VGS = 10V
0.010
0.009
0.008
0.007
ID = 35.5A
0.005
0
50 100 150 200 250 300
ID , Drain Current ( A )
Fig 12. On-Resistance Vs. Drain Current
Current Regulator
Same Type as D.U.T.
50KΩ
12V
.2µF
.3µF
V_GS
3mA
D.U.T.
+
-V^DS
V_GS
Q_GS
V_G
I_G
I_D
Current Sampling Resistors
Q_G
Q_GD
Charge
Fig 14a&b. Basic Gate Charge Test Circuit
and Waveforms
0.006
4.0
5.0
6.0
7.0
8.0
9.0 10.0
VGS, Gate -to -Source Voltage (V)
Fig 13. On-Resistance Vs. Gate Voltage
600
500
 ^TOP
ID
11.6A
23.8A
BOTTOM 28.4A
400
300
V (B R )D SS
tp
IAS
VDS
L
RG
20V
tp
D.U .T
IA _S
0.0 1Ω
15V
DRIVER
+
- ^VD D
A
200
100
0
25
50
75
100 125 150 175
Starting T_J , Junction Temperature ( ^°C)
Fig 15a&b. Unclamped Inductive Test Circuit
and Waveforms
6
Fig 15c. Maximum Avalanche Energy
Vs. Drain Current
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