Datasheet

-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
4.5 6 7.5 9 10.5 12 13.5 15 16.5 18
Input V olta ge - V
Output Voltage Deviation - %
I = 1 A
OUT
V = 50 mV / div (dc coupled, -950 mV offset)
OUT
I = 1 A / div (
OUT
0.5 A to 1.5 A load step)
Slew rate = 100 mA / µsec
Time = 50 µsec / div
www.ti.com Test Setup and Results
4.5 Line Regulation
The line regulation for the TPS54228EVM-686 is shown in Figure 5.
Figure 5. TPS54228EVM-686 Line Regulation
4.6 Load Transient Response
The TPS54228EVM-686 response to load transient is shown in Figure 6. The current step is from 0.5 A to
1.5 A. Total peak-to-peak voltage variation is as shown.
Figure 6. TPS54228EVM-686 Load Transient Response
7
SLVU452–May 2011 TPS54228EVM-686, 2-A, SWIFT™ Regulator Evaluation Module
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