Datasheet

2.4 Output Voltage Line Regulation
InputVoltage(V )-V
IN
O
utputRegulation-%
-0.025%
-0.015%
-0.005%
0.005%
0.015%
0.025%
25
27
29
31 33
35
37 39
41
Io=0.75 A
2.5 Load Transients
Test Setup and Results www.ti.com
The line regulation for the TPS54140EVM-429 is shown in Figure 4 .
Figure 4. TPS54140EVM-429 Line Regulation
The TPS54140EVM-429 response to load transients is shown in Figure 5 . The current step is from 0.25 A
to 1.25 A. The input voltage is 34 V. Total peak-to-peak voltage variation is as shown, including ripple and
noise on the output.
Figure 5. TPS54140EVM-429 Transient Response
TPS54140EVM-429 1.5-A, SWIFT™ Regulator Evaluation Module6 SLVU285 – March 2009
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