Transcription of Current Doubler Rectifier Offers Ripple Current …
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Application NoteSLUA323 September 20041 Current Doubler Rectifier Offers Ripple CurrentCancellationSteve MappusSystem PowerABSTRACTThe Current Doubler Rectifier is a popular alternate choice for the output stage of a buckderived power converter, which would otherwise use a conventional center-tappedtransformer with secondary-side, full-wave rectification. Power topologies within this classwould include the push pull, half bridge and full bridge. There are many advantages that canbe gained by using a Current Doubler Rectifier but by far the least mentioned is the ability tocancel Ripple Current seen at the output capacitor. Output Ripple Current cancellation reducesthe required output capacitance producing less noise at the power supply output.
Application Note SLUA323 − September 2004 1 Current Doubler Rectifier Offers Ripple Current Cancellation Steve Mappus System Power ABSTRACT The current doubler rectifier is a popular alternate choice for the output stage of a buck
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