S-1701B1815-M5T1G

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S-1701B1815-M5T1Gis aspecialpurposevoltageregulatorICdesignedtoregulateoperatingvoltagesofvariouselectronicsystems,especiallythoseoperatingunderhightonlineandloadtransientconditions,includingbattery-poweredandDC/DCconverter-poweredsystems.TheS-1701B1815-M5T1Gwasdevelopedtoprovidedesignerswithaselectedgroupofregulatorsdesignedforuseinawidevarietyofapplicationssuchasthefollowing:non-destructiveovervoltage- andundervoltageprotection,powerconvertercontrol,DCbatterysupplysystemssuchasportablecomputers,conversionofAClinevoltage(110/220Vac)tolowervoltageregulations,andmobileequipmentespeciallydesignedtooperateonthedecreasingvoltageofaslowlydischargingbattery.

TheS-1701B1815-M5T1Gisaconventionalnegativevoltageregulatorwithacompletemonitoringsystem.Itoperatesatlowcurrentlevelsintherangeof0.3mAto2mA,dependentuponvoltagedropandloadrequirements.Thedeviceisdesignedfortwentiethousand(20,000)operatingswitchingcyclesat50%loads.

TheS-1701B1815-M5T1Gcontainsasmalladdersoscillatorwhichoperatesat4kHz.Theoscillatoriscoupledtotwobuffers.Ifthenormallineconditionisobservedthevoltageriseandfallatthesametimeandthebufferstoresthepreviousvoltagestatusthroughtheoscillatorcycle.Ifthevoltageismissingforonemonitorcycle,acontrolsignalisgenerated.Ifbothconditionsaremet,theriseandfalltimesarecomparedateachoscillatorclocktransition.Ifthevoltagedifferenceexceedstheprogrammable thresholdvalue,alinestatusflagisactivated.

TheS-1701B1815-M5T1Galsoprovidesovervoltageprotection,whichcombinestheoscillatormonitoringcircuitrywithacontrolledovershootclampingsystem.ThisinsuresimmediateprotectionofsystemscontrolledbytheS-1701B1815-M5T1G,fromexcessivevoltageconditionsandlinetransients.

TheS-1701B1815-M5T1Galsoprovidesundervoltageprotection.Designedtosafeguardstablevoltageoutputsfromunstablevoltageinputs,theS-1701B1815-M5T1Ghasasupporteddetectingpointof7V.Theundervoltagesensingcircuitistunedtodetecttimesofvoltageinterruptionandactivateanoutputflag.

TheS-1701B1815-M5T1Gfeaturesavecoefficientlowdropoutvoltageregulatorwithinternalundervoltagelockoutintegratedcircuitry.Thisfeaturepreventsregulationfromoccurringwhiletheinputislessthan8V.Thelowdropoutvoltageregulatorprovidesacontinuousvoltageoutputwithouttheravedropoutsoccurringinconventionalregulatorswheninputvoltageapproachestheregulatedvoltageoutput.

TheS-1701B1815-M5T1Gemploysmountainsofprotectivefeaturesallowingmaximummachineprotection.Advantagesincludeoutputcurrentlimiting,outputvoltageover-tempprotection,lowdropout,andlineundervoltageprotection.TheircontrollerISmuniqueprotectionIC,allowingdesignerstoimplementanultra-reliableandcost-effectivepowermanagementIC.

Inconclusion,theS-1701B1815-M5T1Gisapowerfulandspecializedvoltageregulatorforawidevarietyofapplicationsrequiringprecisevoltageregulation,protectionfromovervoltage,undervoltage,andcurrentlimitingforhighperformanceapplications.TheS-1701B1815-M5T1Gcombinesacomplexcontrollersystemwhichprovidesmaximumprotectionfromunwantedvoltage and line transients to ensure safe and reliable operation under extreme conditions. By utilizing this IC, designers can incorporate voltage regulation, protective functions, and electronics system efficiency into the same device, leading to remarkable cost and time savings for their applications.

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