Posts tagged with: Supply

PSRR, A Measure of the Effectiveness of Filtering an Upstream Supply

In a previous part of this series on power integrity, we reviewed the meaning of Power Supply Ripple Rejection (PSRR) and in this and the following blogs, we continue to explore the subject. When choosing an LDO or linear regulator product,...

Line Regulation and PSRR (Power Supply Ripple Rejection)

In this part, we will review the performance of a VRM output with a changing input voltage, in this simple mathematical expression:  ΔVOUT / ΔVIN The goal of this part is to link this “ΔVOUT / ΔVIN” performance in multiple...