IRF7470 Datasheet, PDF (6/8 Pages) International Rectifier – Power MOSFET(Vdss=40V, Rds(on)max=13mohm, Id=10A)

IRF7470
0.030
0.020
0.025
0.020
0.015
VGS = 2.7V
VGS = 4.5V
0.010
0
VGS = 10V
10 20 30 40 50 60
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 13a&b. Basic Gate Charge Test Circuit
and Waveform
0.018
0.016
0.014
0.012
ID = 10A
0.010
2
4
6
8
10 12 14 16
VGS, Gate -to -Source Voltage (V)
Fig 13. On-Resistance Vs. Gate Voltage
800
ID
TOP
3.6A
6.4A
BOTTOM 8.0A
600
400
V (B R )D SS
tp
IAS
VDS
L
RG
20V
tp
D .U .T
IA _S
0.01Ω
15V
DRIVE R
+
- ^VD D
A
Fig 14a&b. Unclamped Inductive Test circuit
and Waveforms
6
200
0
25
50
75
100
125
150
Starting T_J , Junction Temperature ( ^°C)
Fig 14c. Maximum Avalanche Energy
Vs. Drain Current
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