Resolved! How to prevent sporadic ringing on VLXSMPS pin in "Direct SMPS supply" configuration?
Hello,we use the system supply configuration "Direct SMPS supply" (AN5419 Figure 2) for the STM32H735VG.We have the following problem in the current hardware design: At pin VLXSMPS an oscillation with approx. 6.4MHz can be measured sporadically (see ...