Texas Instruments TPS54331, Руководство пользователя

Страница: 6 / 19

2.4 Output Voltage Line Regulation
The line regulation for the TPS54331EVM-232 is shown in Figure 2-4 .
V
OutputV
oltage-V
O
-
3.28
3.29
3.3
3.31
3.32
3.33
3.34
3.35
3.36
3.37
3.38
0 5 10 15 20 25 30
V - Input Voltage -V
I
I = 0 A
O
I = 1.5 A
O
I = 3 A
O
Figure 2-4. TPS54331 Line Regulation
2.5 Load Transients
The TPS54331EVM-232 response to load transients is shown in Figure 2-5 . The current step is from 25% to
75% of maximum rated load. Total peak-to-peak voltage variation is as shown, including ripple and noise on the
output.
V
OUT
Output Current
t - Time - 200 s/div
m
Figure 2-5. TPS54331 Transient Response
Test Setup and Results www.ti.com
6 TPS54331 Step-Down Converter Evaluation Module User's Guide SLVU247A – JULY 2008 – REVISED OCTOBER 2021
Submit Document Feedback
Copyright © 2021 Texas Instruments Incorporated