JAJSGA2F September 2018 – June 2021 TPS2663
During the power interruption time TFAIL_TR the output capacitor COUT of the TPS26630 provides energy to the 15 W DC-DC converter load. Use Equation 11 to compute the required buffer capacitor COUT
COUT = 0.9 mF. Choose a capacitor with ±10% tolerance, COUT = 1 mF/35 V electrolytic capacitor. Figure 9-4 and Figure 10-5 illustrate the performance during the power interruption tests on TPS26630. Figure 9-8 illustrate the performance on TPS26631.