Datasheet

Input Voltage Ripple
2-15
Test Setup and Results
2.9 Input Voltage Ripple
The TPS54x72EVM−222 output voltage ripple is shown in Figure 2−21,
Figure 2−22, and Figure 2−23 for each device type. The input voltage is 3.3
V for the TPS54672 and TPS54972. The input voltage is 5 V for the TPS54872.
Output current for each device is rated full load.
Figure 2−21. Input Voltage Ripple, TPS54672
V
O
(ac) 100 mV/div
Time Scale 1 µs/div
Figure 2−22. Input Voltage Ripple, TPS54872
V
O
(ac) 100 mV/div
Time Scale 1 µs/div