Technical Reference Note
Rev.10.13.14_#1.1
AVE240C-48S12
Page 15
Thermal Considerations, con’t
The converter can also operate with a smaller heatsink and sufficient airflow. Figure 14 shows the derating output current
vs. ambient air temperature at different air velocity with a specified heatsink.
The typical test condition is shown in Figure 12.
Figure 12 Typical test condition, forced airflow direction is from Vin- to Vin+
57.90
4-Ф3.50
4-Ф8.00
Ф10.00
61.00
50.80±0.1
48.30±0.1
4.00
25.40
2.00
3.50
53.00 2×9+3.3×10
2.45
2.45
Figure 13 Outline drawing of the heatsink
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