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LM5071 Power Over Ethernet PD Controller with …

DC - DC Converter PWM Controller Current Mode IEEE af InterfaceUVLOS ignature DetectionClassificationVOUTF eedback+_AUXAC Adapter JackAuxiliary Power EnablePoE (+)PoE (-) Hot SwapIn-rush and Fault Current NOVEMBER2005 REVISEDAPRIL2013LM5071 PowerOverEthernetPDControllerwithAuxilia ryPowerInterfaceCheckforSamples:LM50711 FEATURESPACKAGES2 Compatiblewith12 VACA dapters TSSOP-16 80V,1 , 400mAInternalMOSFETTheLM5071powerinterfa ceportandpulsewidth DetectionResistorDisconnectFunctionmodul ation(PWM)controllerprovidesacomplete ProgrammableClassificationCurrentintegra tedsolutionforPoweredDevices(PD)thatconn ectintoPoweroverEthernet(PoE)systems. ProgrammableUnder-voltageLockoutwithTheL M5071isspecificallydesignedforthePDProgr ammableHysteresisthatmustacceptpowerfrom auxiliarysources ThermalShutdownProtectionsuchasACadapter s. Theauxiliarypowerinterface AuxiliaryPowerEnablePinoftheLM5071activa testhePWMcontrollerwhentheacadapteriscon nectedtopowerthePDwhenPoE CurrentModePulseWidthModulatornetworkpow eris SupportsbothIsolatedandNon-Isolatedan80V ,400mAlineconnectionswitchandApplication sassociatedcontrolfora ErrorAmplifierandReferenceforNon-Isolate dinterfacewitha ProgrammableOscillatorFrequencyswitchmod epowersupply(SMPS)areintegratedinto ProgrammableSoft-StarttheIC.

LM5071 www.ti.com SNVS409E – NOVEMBER 2005– REVISED APRIL 2013 PIN DESCRIPTIONS Pin Name Description Application Information 1 VIN System high

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