Transcription of Switching regulator fundamentals (Rev. C) - Texas …
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1 SNVA559C September2012 RevisedFebruary2019 SubmitDocumentationFeedbackCopyright 2012 2019,TexasInstrumentsIncorporatedSwitchi ngregulatorfundamentalsApplicationReport SNVA559C September2012 RevisedFebruary2019 SwitchingregulatorfundamentalsAdamCastal doABSTRACTS witchingregulatorsare increasingin popularitybecausetheyofferthe advantagesof higherpowerconversionefficiencyand increaseddesignflexibility(multipleoutpu tvoltagesof differentpolaritiescan begeneratedfroma singleinputvoltage).This paperwill detailthe operatingprinciplesof the four mostcommonlyusedswitchingconvertertypes: Buck usedto reducea DC voltageto a lowerDC providesan outputvoltagethat is higherthanthe (invert) an outputvoltagethat is generatedoppositein polarityto the an outputvoltagethat is less thanor greaterthanthe inputcan b
the points break the current flowing in the low-voltage coil winding (in car manuals, this capacitor is referred to as a condenser). 1.3 Pulse Width Modulation (PWM) All of the switching converters that will be covered in this paper use a form of output voltage regulation known as pulse width modulation (PWM).
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