标签: 2003jun27

2003JUN27_BD_POW_AN2ApplicationNoteAN-1029aThisdocumentshouldbeprintedincolortobestviewdelineationsongraphs.OptimizingaPCBLayoutforaniPOWIRTechnologyDesignbyDavidJauregui,InternationalRectifierreducesanyringingduetostrayinductanceduringswitching.Outputinductorandfiltercapsplacementhavethesecondorderofimportance.PlacementshouldberelativelyclosetotheiPOWIRblock,butitisnotcritical.IntroductionAlthoughiPOWIRtechnologybaseddesignsrepresentauniqueclassofpowersolutions,thedesignoftheprintedcircuitboard(PCB)isasimplebuteffectivemeansofoptimizingtheperformanceofaniPOWIRsolution.Ingeneral,thereareanumberofissuesthatneedtobeconsideredwhendesigningapowersupplylayout.Theseissuesapplytobothdiscrete……