Non-insulated power supplies are often required when a power semiconductor, which has to be controlled using this supply, has its drive reference connected to the mains (line or neutral terminal).

This document thoroughly discusses about random phase crossing triac drivers and their most common applications. It will start off with a basic electrical description of triac drivers. Following then ...

Energy-efficient lighting is in the headlines as we approach the date at which federally mandated efficiency levels for lights will make ordinary incandescent lighting obsolete. Incandescent lights ...