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.

Figure 2-9 TPS5430 Loop Response

Figure 2-10 PS5431 Loop Response