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3.6 Input Voltage Ripple
show the TPS543320EVM input voltage ripple. The load currents are no load
and 3 A. V
IN
= 12 V. The ripple voltage is measured across C1 for U1 and measured across C13 for U2.
Figure 3-19. U1 Input Ripple – No Load
Figure 3-20. U1 Input Ripple – 3-A Load
Figure 3-21. U2 Input Ripple – No Load
Figure 3-22. U2 Input Ripple – 3-A Load
Test Setup and Results
SLVUC07A – DECEMBER 2020 – REVISED MAY 2021
TPS543320 SWIFT™ Step-Down Converter Evaluation Module User's Guide
17
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