| 摘要 |
An inverter transformer is provided which can turn on a plurality of cold cathode fluorescent lamps (CFLs) with a minimized increase in the number of components, thereby reducing costs. The inverter transformer comprises a plurality of bobbins for windings. The plurality of bobbins each having a secondary winding wound thereon and having a bar-shaped inner core inserted therein are connected to one another for integration, and a primary winding is wound in common on the bobbins connected together. A plurality of inner cores and a rectangular frame-shaped outer core are magnetically coupled with each other with non-magnetic sheets interposed therebetween to provide a predetermined leakage inductance. A plurality of CFLs can be turned on with only one outer core, thereby reducing the number of components, downsizing the device, and reducing the cost.
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