NCV4275A
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 28. qJA vs. Copper Spreader Area,
DPAK 5−Lead
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 29. qJA vs. Copper Spreader Area,
D2PAK 5−Lead
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
TIME (sec)
Figure 30. Single−Pulse Heating Curves, DPAK 5−Lead
100
1000
100
Cu Area 167 mm2
10
Cu Area 736 mm2
1.0
0.1
0.01
0.0000001 0.000001 0.00001 0.0001
0.001
0.01
0.1
1.0
10
TIME (sec)
Figure 31. Single−Pulse Heating Curves, D2PAK 5−Lead
100
1000
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