Texas Instruments TPS54225, Руководство пользователя

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2.8 Input Voltage Ripple
The TPS54225EVM-538 input voltage ripple is shown in Figure 2-6 . The output current is the rated full load of
2A.
Time - 1 /div
m
s
V = 20 mV/div(AC coupled)
I
Switching Node = 5 V/div
Figure 2-6. TPS54225EVM-538 Input Voltage Ripple
2.9 Start Up
The TPS54225EVM-538 start up waveform is shown in Figure 2-7 .
Time - 500 /div
m
s
PG = 5 V/div
V = 500 mV/div
O
EN = 10 V/div
Figure 2-7. TPS54225EVM-538 Start Up
www.ti.com Test Setup and Results
SLVU337A – NOVEMBER 2009 – REVISED OCTOBER 2021
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TPS54225 Step-Down Converter Evaluation Module User's Guide 7
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