NCV7703
TYPICAL CHARACTERISTICS
140
120
100
80
1 oz Cu
2 oz Cu
60
40
20
0
0
100 200 300 400 500 600 700 800
2
COPPER HEAT SPREADING AREA (mm )
Figure 7. qJA vs. Copper Spreader Area,
14 Lead SON (fused leads)
1000
100
10
2
Cu Area = 100 mm 1.0 oz
2
200 mm 1.0 oz
2
300 mm 1.0 oz
2
400 mm 1.0 oz
2
1
500 mm 1.0 oz
0.1
0.01
0.000001 0.00001
0.0001
0.001
0.01
0.1
1
10
100
1000
TIME (sec)
Figure 8. Transient Thermal Response to a
Single Pulse 1 oz Copper (Log−Log)
140
120
2
Cu Area = 100 mm 1.0 oz
2
200 mm 1.0 oz
100
80
2
300 mm 1.0 oz
2
400 mm 1.0 oz
2
500 mm 1.0 oz
60
40
20
0
0.000001 0.00001
0.0001
0.001
0.01
0.1
1
10
100
1000
TIME (sec)
Figure 9. Transient Thermal Response to a
Single Pulse 1 oz Copper (Semi−Log)
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10
ONSEMI [ ONSEMI ]
