Projectors,largepowersupplies,datacomswitchesandrouters,

poseaninterestingheatdissipationproblem.Theseapplications

consumeenoughpowertopromptadesignertocooloffthe

electronicswithafan.Iftheappropriateairflowacrossthe

electronicsisequaltoorlessthansixtosevencubicfeetper

minute(CFM),agoodchoiceoffanwouldbetheDCbrushless

fan.KeepingPowerHungryCircuitsUnderThermalControlByBonnieC.Baker,MicrochipTechnologyInc.ANALOGDESIGNNOTEADN001IntroductionProjectors,largepowersupplies,datacomswitchesandrouters,Foraone-fancircuit,thestand-alonefancontrollerICistheposeaninterestingheatdissipationproblem.Theseapplicationsbetterchoice.Thestand-aloneIChasfaultdetectcircuitryconsumeenoughpowertopromptadesignertocooloffthethatcannotifythesystemwhenthefanhasfailed,sothattheelectronicswithafan.Iftheappropriateairflowacrossthepowerconsumingpartofthesystemcanbeshutdown.The

根据保持电源匮乏温控电路

根据保持电源匮乏温控电路