| 摘要 |
The invention relates to a converter including a fly-back circuit (5). For obtaining a maximum possible adaptation to the internationally different network voltages, there is proposed to provide a first fly-back frequency range for a converter input voltage (Unet) lying in a first voltage range and a second fly-back switching frequency range for a converter input voltage (Unet) lying in a second voltage range, the first voltage range having smaller voltage values than the second voltage range and the first fly-back switching frequency range having larger frequency values than the second fly-back switching frequency range.
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