Texas Instruments TPS543820EVM, User Manual, Page: 25 / 38

3.13 Thermal Performance
Figure 3-40 through Figure 3-43 show the temperature rise of the TPS543820 ICs at full 8-A load. Figure 3-40
and Figure 3-41 have only one TPS543820 on and loaded. Figure 3-42 and Figure 3-43 have both TPS543820s
loaded. A minimum of a 10 minute soak time was used before taking each measurement.
Figure 3-40. U1 Thermal Performance – 8-A Load
and U2 off
Figure 3-41. U2 Thermal Performance – 8-A Load
and U1 off
Figure 3-42. U1 Thermal Performance – Both 8-A
Load
Figure 3-43. U2 Thermal Performance – Both 8-A
Load
www.ti.com Test Setup and Results
SLUUCE9A – DECEMBER 2020 – REVISED APRIL 2021
Submit Document Feedback
TPS543820EVM SWIFT™ Step-Down Converter Evaluation Module User's
Guide
25
Copyright © 2021 Texas Instruments Incorporated