多相DC-DC控制器突破准确性和带宽的限制

Speedandaccuracydon’talwaysgohand-in-handinDC/DCconvertersystems—thatis,untilnow.TheLTC3811isadualoutput,fixedfrequencycurrentmodeDC/DCswitchingregulatorcontrollerdesignedforoneoftoday’smostdemandingpowersupplyapplications:highcurrent,lowvoltageprocessorcoresupplies.MultiphaseDC/DCControllerPushesAccuracyandBandwidthLimitsDesignNote434TickHoukIntroductionInadditiontohighaccuracy,theLTC3811’slowmini-Speedandaccuracydon’talwaysgohand-in-handmumon-time(typically65ns)allowsuserstoconvertainDC/DCconvertersystems―thatis,untilnow.The12Vinputtoa1VoutputatswitchingfrequenciesuptoLTC3811isadualoutput,xedfrequencycurrentmode750kHz,optimizingloadtransientresponseandreducingDC/DCswitchingregulatorcontrollerdesignedforoneofthesoluti