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时间: 2020-1-10 11:13
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ds-1550P-04AIC1550Low-NoiseSynchronousPWMStep-DownDC/DCConverterFEATURES95%Efficiencyorup800mAGuaranteedOutputCurrent.AdjustableOutputVoltagefrom0.75VtoVINofarangefrom+2.5Vto6.5V.VeryLowQuiescentCurrent:35A(Typ.).Fixed-500KHzorAdjustableFrequencySynchronousPWMOperation.SynchronizableexternalSwitchingFrequencyupto1MHz.AccurateReference:0.75V(±2%).100%DutyCycleinDropout.LowProfile8-PinMSOPPackage.DESCRIPTIONTheAIC1550isalow-noisepulse-widthmodulated(PWM)DC-DCstep-downconverter.ItpowerslogiccircuitsinPDAsandsmallwirelesssystemssuchascellularphones,handy-terminals.Thedevicefeaturesaninternalsynchronousrectifierforhighconversionefficiency.Excellentnoisecharacteristicsandfixed-frequencyoperationprov……