In this post I have explained regarding what’s ripple current in power supply circuits, what causes it and how it can be reduced or eliminated using smoothing capacitor.Table of ContentsWhat's Ripple in Power Supply CircuitsExpressing Ripple FactorHow Filter Capacitor FunctionsSmoothing Efficiency Depends on Load Current What’s Ripple in Power Supply Circuits In all AC to … Continue reading What’s Ripple Current in Power Supplies