Output Voltage Line Regulation; Load Transients; Figure 2-4. Tps54331 Line Regulation; Figure 2-5. Tps54331 Transient Response - Texas Instruments TPS54331 User Manual

Test Setup and Results

2.4 Output Voltage Line Regulation

The line regulation for the TPS54331EVM-232 is shown in

2.5 Load Transients

The TPS54331EVM-232 response to load transients is shown in
75% of maximum rated load. Total peak-to-peak voltage variation is as shown, including ripple and noise on the
output.
6 TPS54331 Step-Down Converter Evaluation Module User's Guide
Figure
3.38
I = 0 A
O
3.37
3.36
3.35
I = 1.5 A
O
3.34
3.33
3.32
3.31
3.3
3.29
3.28
0 5 10 15
V - Input Voltage -V
I

Figure 2-4. TPS54331 Line Regulation

Output Current
t - Time - 200 s/div
m

Figure 2-5. TPS54331 Transient Response

Copyright © 2021 Texas Instruments Incorporated
2-4.
I = 3 A
O
20 25 30
Figure 2-5. The current step is from 25% to
V
OUT
SLVU247A – JULY 2008 – REVISED OCTOBER 2021
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