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Ballast with totem pole power factor correction (totem pole PFC)
Ballast with totem pole power factor correction (totem pole PFC)
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机译:具有图腾柱功率因数校正的镇流器(图腾柱PFC)
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摘要
The invention relates to a ballast (101) for lighting devices with an actively switched power factor correction stage (102), which is implemented in a totem pole boost topology, and with: - a control circuit (103), the control signals for driving switches (S1 , S2, S3, S4) of the PFC stage (102), - wherein the control circuit (103) is at a floating potential and is galvanically isolated from a ground potential of the ballast (101).
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