Typical Performance Curves (Continued)
Package Power Dissipation vs Ambient
Temperature
JEDEC JESD51-3 Low Effective Thermal
Conductivity Test Board
1.8
1.6 1.54W
1.4
1.2 1.136W
PDIP16
θJA=81°C/W
1
0.8 SO16 (0.150”)
0.6
θJA=110°C/W
0.4
0.2
0
0
25
50
75 85 100 125 150
Ambient Temperature (°C)
EL4583
Package Power Dissipation vs Ambient
Temperature
JEDEC JESD51-7 High Effective Thermal
Conductivity Test Board
2
1.8
1.786W
1.6
1.4 1.563W
1.2
PDIP16
θJA=70°C/W
1
SO16 (0.150”)
0.8
θJA=80°C/W
0.6
0.4
0.2
0
0
25
50
75
100 125 150
Ambient Temperature (°C)
5
FN7173.3
November 12, 2010