Transcription of SNVS316H –SEPTEMBER 2004–REVISED DECEMBER …
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SNVS316H –SEPTEMBER 2004–REVISED DECEMBER …
VIN VIN ENBOOSTSWFBGNDVOUT C3 L1C1 C2 R1 R2 D1 D2 ONOFFP roductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityLM2736 SNVS316H SEPTEMBER2004 REVISEDDECEMBER2014LM2736 Thin SOT 750 mA Load Step-DownDC-DCRegulator1 Features3 DescriptionThe LM2736regulatoris a monolithic,high frequency,1 ThinSOT-6 PackagePWMstep-downDC/DCconverterin a 6-pinThin V to 18 V providesall the activefunctionsto to 16 V OutputVoltageRangeprovidelocalDC/DCconve rsionwithfast transientresponseandaccurateregulationin the smallest 750 mA OutputCurrentpossiblePCBarea. 550 kHz (LM2736Y)and MHz(LM2736X)SwitchingFrequenciesWitha minimumof externalcomponentsand onlinedesignsupportthroughWEBENCH , the LM2736is 350 m NMOSS witcheasyto use. The abilityto drive750 mA loadswith an 30 nA ShutdownCurrentinternal350 m NMOS switchusingstate-of-the-art , 2% m BiCMOS technologyresultsin the InternalSoft-Startallowsfor on-timesas low as 13 ns, thussupporting Current-Mode,PWMO perationexceptionallyhighfrequencyconver sionoverthe WEBENCH OnlineDesignToolentire3 V to 18 V inputoperatingrangedownto theminimumoutputvoltageof Switching ThermalShutdownfrequencyis internallyset to 550 kHz (LM2736Y) MHz(LM2736X),allowingthe use of extremely2 Applicationssmallsurfacemountinductorsan d chipcapacitors.
0 0 V IN V D TON t t Inductor Current D = T ON /T SW V SW OFF T SW IL IPK SW Voltage LM2736 SNVS316H–SEPTEMBER 2004–REVISED DECEMBER 2014 www.ti.com 7 Detailed Description 7.1 Overview The LM2736 device is a constant frequency PWM buck regulator IC that delivers a 750 mA load current.
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