2021年6月22日 星期二

APEC 2021: Critical conduction mode totem pole PFC controller

ON Semiconductor is introducing a critical conduction mode ‘bridge-less’ totem-pole PFC (power factor correction) controller, claiming it to be industry’s first dedicated IC. Bridge-less in this case is a misnomer. It indicates no front-end diode bridge (saving the diode drops), which is instead replaced with a bridge of four transistors- two in a totem-pole operating at ...

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