applicationINFOavailablepatiblewithVoltageorCurrentModeTopologiesPracticalOperationSwitchingFrequenciesto1MHz50nsPropagationDelaytoOutputHighCurrentDualTotemPoleOutputs()WideBandwidthErrorAmplifierFullyLatchedLogicwithDoublePulseSuppressionPulse-by-PulseCurrentLimitingSoftStart/-VoltageLockoutwithHysteresisLowStartUpCurrent()DESCRIPTIONTheUC1825familyofPWMcontrolICsisoptimizedforhighfre--rent-modeorvoltagemodesystemswiththecapabilityforinputvolt-agefeed-,patibleshutdownport,--voltagelockout,theout-,-92030-2SLUS235A-MARCH1997-REVISEDMARCH2004ABSOLUTEMAXIMUMRATINGS(Note1)SupplyVoltage(Pins13,15)........................30VOutputCurrent,SourceorSink(Pins11,14)DC...........................................()...................................(Pins1,2,7)...............................-(Pin8,9).................................-(Pin4).......................-5mAErrorAmplifierOutputCurrent(Pin3)................5mASoftStartSinkCurrent(Pin8).....................20mAOscillatorChargingCurrent(Pin5)..................-5mAPowerDissipation................................1WStorageTemperatureRange..............-65°Cto+150°CLeadTemperature(Soldering,10seconds)..........300°CCONNECTIONDIAGRAMSDIL-16(TopView)JorNPackageUC1825UC2825UC3825SOIC-16(TopView)DWPackage-20&LCC-20PACKAGEPINFUNCTIONFUNCTIONPIN(To
UC3825应用手册 来自淘豆网m.daumloan.com转载请标明出处.