标签: ka7500c

KA7500Cwww.fairchildsemi.comKA7500CSMPSControllerFeaturesInternalRegulatorProvidesaStable5VReferenceSupplyTrimmedto±1%Accuracy.UncommittedOutputTRfor200mASinkorSourceCurrentOutputControlforPush-PullorSingle-EndedOperationVariableDutyCyclebyDeadTimeControl(Pin4)CompletePWMControlCircuitOn-ChipOscillatorWithMasterorSlaveOperationInternalCircuitProhibitsDoublePulseatEitherOutputDescriptionTheKA7500Cisusedforthecontrolcircuitofthepulsewidthmodulationswitchingregulator.TheKA7500Cconsistsof5Vreferencevoltagecircuit,twoerroramplifiers,flipflop,anoutputcontrolcircuit,aPWMcomparator,adeadtimecomparatorandanoscillator.Thisdevicecanbeoperatedintheswitchingfrequencyof1kHzto300kHz.The……