{HEAD ~ The invention} relates to {TAIL ~ switched mode power converters} having a transformer with primary current controlled by a main power switch such as a transistor whose conduction is in turn controlled by pulse width modulator means 
relates to
{ HEAD ~ The invention } relates to { TAIL ~ switched mode power converters } having a transformer with primary current controlled by a main power switch such as a transistor whose conduction is in turn controlled by pulse width modulator means
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