Infineon D2 PAK User Manual page 7

Full-bridge converter for UPS
2 2
D PAK/ D PAK-7 kit
UG_1801_PL16_1802_225559
Figure 6 Back thermal image after 1 hour
Figure 7 Side thermal image after 1 hr
Comparing the temperature readings at points A and B between the front and back sides at the corner in Figures
6 and 7 shows that they are the same. Case temperatures of the MOSFETs are 1°C higher at the front than at the
back, as shown in Figures, 6, 7 and 8.
User Guide
B:45°C
60°C
57°C
58°C
(FET)
68°C
Resistor
7
7 0 .0 °C
60
40
20
2 0 .0 °C
7 0 .0 °C
60
40
20
2 0 .0 °C
Revision 1.0
2018-03-01