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Power/Alternative Energy  

Wide mains, 19V/8A power supply including power factor correction

Posted: 28 Aug 2008  Print Version  Bookmark and Share Subscribe

Keywords: power factor correction  power supply  power factor controller  PFC stage 

[Summary of tips] When associated to forward or half-bridge converters taking advantage of a narrow input voltage range, the power factor correction (PFC) should be designed to start first and to remain active as long as the power supply is plugged in. More specifically, the downstream converter turns on and operated while the output of the PFC ......
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