Texas Instruments TPS54A20, User Manual, Page: 9 / 25

V = 20 mV / div (ac coupled)
O
Time = 200 nsec / div
SWA = 5 V / div
SWB = 5 V / div
V = 20 mV / div (ac coupled)
O
Time = 200 nsec / div
SWA = 5 V / div
SWB = 5 V / div
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Test Setup and Results
9 SLVUAM8A – December 2015 – Revised March 2019
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TPS54A20EVM-770, 10-A, SWIFT™ regulator evaluation module
2.7 Output Voltage Ripple
Figure 7 , Figure 8 , and Figure 9 show the TPS54A20EVM-770 output voltage ripple. The load currents are
0 A, 5 A and 10 A. V
IN
= 12 V. The ripple voltage is measured directly across TP7 and TP8.
Figure 7. TPS54A20EVM-770 Output Ripple, 0 A Load
Figure 8. TPS54A20EVM-770 Output Ripple, 5 A Load