安森美降压式调节器解决方案

安森美降压式调节器解决方案关键字：降压调节器,升降压调节器,CS51413Keywords：Buckregulater，boost-buckregulater，CS51413摘要：CS51411演示板是一个允许CS5141X系列，此系列是1.0A/3.3V降压稳压器，运行在260千赫或520千赫。通过供给时钟信号的同步输入的开关频率可以同步到一个更高的频率。并驱动SHDNB输入低关闭转换器的输出，最大限度地减少了功耗。基本特性：TheCS5141Xproductsare1.5AbuckregulatorICs.Thesedevicesarefixed-frequencyoperatingat260kHzand520kHz.TheregulatorsusetheV2controlarchitecturetoprovideunmatchedtransientresponse,thebestoverallregulationandthesimplestloopcompensationfortoday’shigh-speedlogic.Theseproductsaccommodateinputvoltagesfrom4.5Vto40V.TheCS51411andCS51413containsynchronizationcircuitry.SynchronizationFunction2.0%ErrorAmpReferenceVoltageToleranceThermalShutdownPin-CompatiblewithLT1375andLT137685uAQuiescentCurrentDuringPower-DownV2ArchitectureProvidesUltra-FastTransientResponse,ImprovedRegulationandSimplifiedDesignSwitchFrequencyDecreaseof4:1inShortCircuitConditionsShutdownLeadProvidesPower-DownOptionSoftStartBOOSTpinforBootstrappedOperationPb-FreePackagesareAvailable方案描述：TheCS51411demonstrationboardisa1.0A/3.3Vbuckregulatorrunningat260kHz(CS51411)or520kHz(CS51413).TheswitchingfrequencycanbesynchronizedtoahigherfrequencythroughfeedingclocksignalstotheSYNCinput.DrivingSHDNBinputlowshutsdowntheconverteroutputandminimizesthepowerconsumption.TheregulatorhassuperiorlineandloadregulationduetotheuseofV2_control.Thiscontrolmethodalsoenhancestheloadtransientresponse.Features·V2ControlforSuperiorLineandLoadRegulation·SmallBoardSpaceRequiringOnly1.0x0.7in.2·Totalof11ComponentsIncludingIC·ShutdownModeDisablestheOutputandReducestheOperatingCurrent·FrequencySynchronizationtoHigherFrequency·1.5APeakCurrentProtectionwhichFoldsBack30%DuringOverloadConditions·Built-InSoftStarttoEliminateAnyIn-RushCurrent·HighEnergyTransferEfficiencyof83%at1.0ALoad·LineRegulationBetterThan0.1%·LoadRegulationBetterThan0.4%AO-Electronics傲壹电子官网：中文网：参考原理图：