TEL:18617042732***:3073924495TheTPS61170isamonolithic,high-voltageswitchingregulatorwithintegrated1.2-A,40-VpowerMOSFET.Thedevicecanbeconfiguredinseveralstandardswitching-regulatortopologies,includingboostandSEPIC.Thedevicehasawideinput-voltagerangetosupportapplicati***withinputvoltagefrommulticellbatteriesorregulated5-V,12-Vpowerrails.TheTPS61170operatesata1.2-MHzswitchingfrequency,allowingtheuseoflow-profileinductorsandlow-valueceramicinputandoutputcapacitors.Externalloopcompensationcomponentsgivetheuserflexibilitytooptimizeloopcompensationandtransientresp***e.Thedevicehasbuilt-inprotectionfeatures,suchaspulse-by-pulseovercurrentlimit,softstart,andthermalshutdown.TheFBpinregulatestoareferencevoltageof1.229V.Thereferencevoltagecanbeloweredusinga1-wiredigitalinterface(Easyscale™protocol)throughtheCTRLpin.Alternatively,apulsewidth-modulation(PWM)signalcanbeappliedtotheCTRLpin.Thedutycycleofthesignalreducesthefeedbackreferencevoltageproportionally.TheTPS61170is***ailableina6-pin2-mm×2-mmQFNpackage,allowingacompactpower-supplysolution.特性·3-Vto18-VInputVoltageRange·HighOutputVoltage:Upto38V·1.2-AIntegratedSwitch·1.2-MHzFixedSwitchingFrequency·12Vat300mAand24Vat150mAFrom5-VInput(Typical)·Upto93%Efficiency·OutputVoltageReprogramming·Skip-SwitchingCycleforOutputRegulationatLightLoad·Built-inSoftStart)