Datasheet

V = 20 mV/div (ac coupled)
OUT
PH = 5 V/div
Time = 1 µs/div
V = 500 mV/div (ac coupled)
IN
Time = 1 µs/div
PH = 5 V/div
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2.7 Output Voltage Ripple
Figure 7 shows the TPS54821EVM-049 output voltage ripple. The output current is the rated full load of 8
A and V
IN
= 12 V. The ripple voltage is measured directly across the output capacitors.
Figure 7. TPS54821EVM-049 Output Ripple
2.8 Input Voltage Ripple
Figure 8 shows the TPS54821EVM-049 input voltage. The output current is the rated full load of 8 A and
V
IN
= 12 V. The ripple voltage is measured directly across the input capacitors.
Figure 8. TPS54821EVM-049 Input Ripple
8
TPS54821EVM-049, 8-A, SWIFT™ Regulator— Evaluation Module SLVU479–October 2011
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