Texas Instruments TPS54334EVM-722, User Manual, Page: 8 / 21

SW = 5 V/div
VOUT = 20 mV/div (AC coupled)
VOUT = 20 mV/div (AC coupled)
SW = 5 V/div
SW = 5 V/div
VOUT = 20 mV/div (AC coupled)
Test Setup and Results
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2.7 Output Voltage Ripple
Figure 7 , Figure 8 , and Figure 9 show the TPS54334EVM-722 output voltage ripple for full load, light load,
and skip mode operation. V
IN
= 12 V. The output The ripple voltage is measured directly across the output
capacitors.
Figure 7. TPS54334EVM-722 Output Ripple, I
OUT
= 3 A
Figure 8. TPS54334EVM-722 Output Ripple, I
OUT
= 200 mA
Figure 9. TPS54334EVM-722 Output Ripple, I
OUT
= 0 A
8 TPS54334EVM-722 3-A Regulator Evaluation Module SLVUAH4 – August 2015
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