Texas Instruments TPS54232EVM-415, User Manual

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2.6 Loop Characteristics
The TPS54232EVM-415 loop-response characteristics are shown in Figure 2-6 . Gain and phase plots are
shown for V
IN
voltage of 15 V. Load current for the measurement is 1 A.
-60
-50
-40
-30
-20
-10
0
10
20
30
40
50
60
f - Frequency - Hz
-180
-150
-120
-90
-60
-30
0
30
60
90
120
150
180
Gain
Phase
Gain-dB
Phase-Deg.
10 100 1k 10k 100k 1M
Figure 2-6. TPS54232EVM-415 Loop Response
2.7 Output Voltage Ripple
The TPS54232EVM-415 output voltage ripple is shown in Figure 2-7 . The output current is the rated full load of
2 A and V
IN
= 15 V. The ripple voltage is measured directly across the output capacitors.
VOUT
PH
t - Time - 1 s/div
m
Figure 2-7. TPS54232EVM-415 Output Ripple
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SLVU277A – JANUARY 2009 – REVISED OCTOBER 2021
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