Texas Instruments TPS54326EVM-540, User Manual, Page: 6 / 20

2.5 Line Regulation
The line regulation for the TPS54326EVM-540 is shown Figure 2-3 .
1.045
1.05
1.055
1.06
1.065
4 8 12 16 20
V - Input Voltage - V
I
I = 1.5 A
O
I = 3 A
O
V
-OutputV
oltage-V
O
I = 0.001 A
O
Figure 2-3. TPS54326EVM-540 Line Regulation
2.6 Load Transient Response
The TPS54326EVM-540 response to load transient is shown in Figure 2-4 . The current step is from 0.75 A to
2.25 A (25% to 75% of rated load). Total peak-to-peak output voltage variation is as shown.
V = 50 mV/div (AC Coupled)
O
I = 1 A/div
0.75 to 2.25 A Load Step
O
t - Time = 200 s/div
m
Figure 2-4. TPS54326EVM-540 Load Transient Response
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6 TPS54326 Step-Down Converter Evaluation Module User's Guide SLVU353A – NOVEMBER 2009 – REVISED OCTOBER 2021
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