TIDT219 February 2023
2.3 Thermal Images
The following thermal images show a top view and bottom view of the board. The ambient temperature is 25ºC with no additional air flow. The supply is fully loaded for 30 minutes to reach thermal equilibrium.
Bx1 – D5, Rectifier diode
Figure 2-2 Top Side
Figure 2-4 D1 - Bridge
Rectifier
Figure 2-3 Q3 - Primary FET
Figure 2-5 R101 - Snubber
Resistor