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2- switch flyback dc-dc converter

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kalaianand

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hello friends
i am trying to design 2 switch fly back converter. one switch at the upper side of the transformer, and one at lower side. how to genetate floating output. in this case both switches, has to turn on at a time. i thought to use IR2110 driver IC, but later i found that, it wont work(bootstrap configuration). i have only one power supply to power-up all the ICs. Is any IC driver IC available for this type of conguration?
i saw some diagrams which uses, small, pulse transformers. please give me suggestion that how to built that using pulse transformers. give me some hint on designing at 30kHz.

help me friends....
 

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