Technical Reference Note
Rev.09.30.14_#1.0
AVO250-48S28B
Page 15
Table 7. Temperature limit of the test points:
Test point
Temperature limit
113 OC
P1
P2
118 OC
The converter can operate with a smaller heatsink and sufficient airflow. Figure 13 shows the derating output current vs.
ambient air temperature at different air velocity with a specified heatsink. Figure 14 shows the thermal image taken by a
RF camera at a rated I/O condition.
Figure 12-1 Typical test condition, heatsink size (L*W*H): 57.9mm*22.86*12.7mm
Figure 12-2 Heatsink mechanical diargram
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