AN4163 Datasheet, PDF (24/33 Pages) STMicroelectronics – This application note describes the demonstration board EVL4984-350W

Thermal measurements
AN4163
Table 2. Measured temperature table at 115 V_ac and 230 V_ac - full load
Point
Component
Temperature at 115 V_ac
Temperature at 230 V_ac
A
D2
70.9 °C
50.2 °C
B
L1
54.9 °C
41.1 °C
C
L3 – CORE
62.0 °C
48.0 °C
D
L3 – Winding
68.5 °C
50.5 °C
E
Rsense
80.0 °C
51.3 °C
F
Q1
74.5 °C
59.1 °C
G
Q2
82.0 °C
63.2 °C
H
D3
88.1 °C
66.9 °C
I
R2
111.4 °C
74.9 °C
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