标签: multiphase

LTC3425多相结构使在小体积、小尺寸封装中提供高功率成为可能。它满足高性能手持设备、包括输出断开、自动突发模式和宽输入范围的高效率的需要。同时其亦提供了灵活的设计特性，包括可编程的软启动、电流限制和振荡频率、外部补偿和多种工作模式。advertisement4-PhaseMonolithicSynchronousBoostConverterDelivers2.5AwithOutputDisconnectina5mm×5mmQFNPackageDesignNote332DavidSalernoIntroduction5ApeakcurrentcapabilityandaneffectiveswitchRDS(ON)TheLTC3425istheindustry’sfirst4-phase,monolithicof40m(NMOS)and50m(PMOS),theLTC3425issynchronousboostconverter.Itcanstartupwithaslittlecapableofefficientlydelivering2.5Aloadcurrentfromaas1Vandoperatewithinputsupto4.5V.Theoutput0.8mmmaximumprofile,32-pin5mm×5mmQFN……

LTC3811是一款多功能、高效同步升压控制器，适于低电压、大电流供电的应用。±0.5%的输出电压精度和远程检测差分放大器代表了DC/DC转换器的新标志。该器件易于实现单或双路输出，采用Linear公司的PolyPhase电流分配结构。低的在线时间和固定的频率峰值电流使其成为电源保护的理想选择。MultiphaseDC/DCControllerPushesAccuracyandBandwidthLimitsDesignNote434TickHoukIntroductionInadditiontohighaccuracy,theLTC3811’slowmini-Speedandaccuracydon’talwaysgohand-in-handmumon-time(typically65ns)allowsuserstoconvertainDC/DCconvertersystems―thatis,untilnow.The12Vinputtoa1VoutputatswitchingfrequenciesuptoLTC3811isadualoutput,xedfrequencycurrentmode750kHz,optimizingloadtransientresponseandreducingDC/DCswitchingregulatorcontrollerdesignedforoneofthesoluti……

LTC3862两相控制器是一款功能强大的芯片，适于多相升压转换器应用，满足要求高效、低功耗、低电压和电流纹波和小封装解决方案的需要，而无需强制空气降温或散热器。4-PhaseBoostConverterDelivers384WwithnoHeatSinkDesignNote453VictorKhasievIntroductionneedforbulkyheatsinksandforced-aircooling.Inter-Highpowerboostconvertersarebecomingincreasinglyleavingpowerstages(multiphaseoperation)improvespopularamongdesignersintheautomotive,industrialefciencyandreducesripplevoltageandcurrentsinandtelecomindustries.Whenpowerlevelsof300Worboththeinputandoutputcapacitors,allowingtheusemorearerequired,highefciency(lowpowerloss)is……

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……