Datasheet

V = 20 mV / div (ac coupled)
OUT
Time = 500 nsec / div
PH = 2 V / div
V = 100 mV / div (ac coupled)
IN
Time = 500 nsec / div
PH = 2 V / div
Test Setup and Results www.ti.com
2.7 Output Voltage Ripple
Figure 7 shows the TPS54478EVM-037 output voltage ripple. The output current is the rated full load of
4A and V
IN
= 3.3 V. The ripple voltage is measured directly across the output capacitors.
Figure 7. TPS54478EVM-037 Output Ripple
2.8 Input Voltage Ripple
Figure 8 shows the TPS54478EVM-037 input voltage ripple. The output current is the rated full load of 4A
and V
IN
= 3.3 V. The ripple voltage is measured directly across the input capacitors.
Figure 8. TPS54478EVM-037 Input Ripple
8
TPS54478EVM-037 4-A, SWIFT™ Regulator Evaluation Module SLVU470–June 11
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