Performance Data and Typical Characteristic Curves
20
SLUUBX3B – June 2019 – Revised November 2019
Copyright © 2019, Texas Instruments Incorporated
UCC25640EVM-020 Evaluation Module
9.8
Thermal Image
The following images show the EVM temperature after 20min soak at full load, no forced air and 390Vdc
input applied to the DC input.
Figure 15. Thermal Image Top
Table 7. Component Temperature
Component
Temperature (°C)
T1 (Bx1)
74.9°C
D2 (Bx2)
90.2°C
Figure 16. Thermal Image Bottom
Table 8. Component Temperature
Component
Temperature (°C)
U4 (Bx1)
42.3°C
Q1 (Bx2)
44.9°C
Q3 (Bx3)
46.1°C
R9, R12 (Bx4)
72.2°C