OB2500PisahighperformanceofflinePSRpowerswitchforlowpowerAC/DCchargerandadapterapplications.ltoperatesinprimary-sidesensingandregulation.Consequently,opto-couplerandTL431couldbeeliminated.ProprietaryConstantVoltage(CV)andConstantCurrent(CC)controlisintegratedasshowninthefigurebelow.