| 摘要 |
The invention relates to a ballast (101) for lighting means, comprising an actively switched power factor correction stage (102), which is implemented in a Totem Pole boost topology, comprising: - a control circuit (103), which issues control signals for driving switches of the PFC stage (102), - wherein the control circuit (103) is on a floating potential and galvanically isolated from a ground potential of the ballast (101). |
