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IRF7478PBF Datasheet(PDF) 6 Page - International Rectifier

Part No. IRF7478PBF
Description  SMPS MOSFET
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Maker  IRF [International Rectifier]
Homepage  http://www.irf.com
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IRF7478PBF Datasheet(HTML) 6 Page - International Rectifier

   
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IRF7478PbF
6
www.irf.com
Fig 13. On-Resistance Vs. Gate Voltage
Fig 12. On-Resistance Vs. Drain Current
Fig 14a&b. Basic Gate Charge Test Circuit
and Waveform
Fig 15a&b. Unclamped Inductive Test circuit
and Waveforms
Fig 15c. Maximum Avalanche Energy
Vs. Drain Current
D.U.T.
VDS
ID
IG
3mA
VGS
.3
µF
50K
.2
µF
12V
Current Regulator
Same Type as D.U.T.
Current Sampling Resistors
+
-
VGS
QG
QGS
QGD
VG
Charge
tp
V(BR)DSS
IAS
R G
IAS
0.01
tp
D.U.T
L
VDS
+
-
VDD
DRIVER
A
15V
20V
25
50
75
100
125
150
0
100
200
300
400
Starting T , Junction Temperature ( C)
J
°
ID
TOP
BOTTOM
1.9A
3.4A
4.2A
0
1020
3040
5060
ID , Drain Current (A)
0.016
0.018
0.020
0.022
0.024
0.026
0.028
VGS = 10V
VGS = 4.5V
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
16.0
VGS, Gate -to -Source Voltage (V)
0.01
0.02
0.03
0.04
ID = 7.0A


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