NCV4276B(2010) Просмотр технического описания (PDF) - ON Semiconductor
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NCV4276B Datasheet PDF : 12 Pages
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NCV4276B
110
100
90
80
70
1 oz
60
2 oz
50
40
30
150 200 250 300 350 400 450 500 550 600 650 700 750
COPPER AREA (mm2)
Figure 15. qJA vs. Copper Spreader Area
100
Cu Area 167 mm2
10
Cu Area 736 mm2
1.0
sqrt(t)
0.1
0.01
0.0000001 0.000001 0.00001 0.0001
0.001
0.01
0.1
1.0
10
100
1000
TIME (sec)
Figure 16. Single−Pulse Heating Curves
100
50% Duty Cycle
20%
10 10%
5%
2%
1.0
1%
0.1
Non−normalized Response
0.01
0.0000001 0.000001 0.00001 0.0001
0.001
0.01
0.1
1.0
10
100
1000
PULSE WIDTH (sec)
Figure 17. Duty Cycle for 1, Spreader Boards
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10
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