Texas Instruments TPS5430, User Manual

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V = 50 mV/Div (AC-Coupled)
OUT
I = 1 A/Div
OUT
Time = 200 µs/Div
Figure 2-8. TPS5431 Transient Response
2.6 Loop Characteristics
The TPS5430EVM-173 and TPS5431EVM-173 loop-response characteristics are shown in Figure 2-9 and
Figure 2-10 . Gain and phase plots are shown for VIN voltage of 25 V for the TPS5430EVM-173 and 15 V for the
TPS5431EVM-173. Load current for both measurements is 1 A.
60
-60
100
1 M
180
-180
Gain-dB
f - Frequency - Hz
Phase-deg
Gain
Phase
Figure 2-9. TPS5430 Loop Response
Test Setup and Results www.ti.com
8 TPS5430 and TPS5431 Step-Down Converter Evaluation Module User's
Guide SLVU157A – MARCH 2006 – REVISED OCTOBER 2021
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