Key Learning

Description
Recent improvements in ceramic capacitor technology and cost, invite the use of these devices in output filter designs where equivalent output ripple can now be achieved with much less capacitance.

However, with reduced filter capacitance, transient performance now requires higher gain and bandwidth from the control loop, a more significant challenge in consideration of the higher resonant frequency and rapid phase drop attendant with the low ESR and ESl of ceramic capacitors. A compensation design procedure defining worst-case combinations of circuit parameters will achieve the needed gain and bandwidth while maintaining comfortable gain and phrase margin.

Objective

Course Modules
1. Module 01(ATECH3-7)