Onsemi has introduced a new high-power totem pole PFC (TP-PFC) controller that reduces development time and cost. Joining the NCP1680, which is suited for designs up to 350 W, the new NCP1681 extends ...
For high (80 to 90%) efficiency offline power converters from 200 to 600 W for applications such as flat-panel TVs PC and Workstations, and the latest generations of high-brightness LED streetlights, ...
In Part 1 of this article we discussed electric power basics and the need for and advantages of active power factor correction. The next question should be “Okay, then how does active PFC work?” ...
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