company_sales：
UP9540–20V,4A,Step-DownDC/DCConverterhttp://www.upsemi.com/Data%20Sheet/DS-UP9540-pre.pdf1.HighEfficiency:Upto93%2.4AOutputCurrent3.4.75Vto20VInputVoltageRange4.Fixed390KHzFrequency5.0.15ohmInternalPowerMOSFETSwitch6.20μAShutdownMode7.ThermalShutdown8.Cycle-by-CycleOverCurrentProtection9.OutputAdjustablefrom1.22Vto16V10.StablewithLowESROutputCeramicCapacitors11.AvailableinDFN-8withExposedPadPackagesales@upsemi.com 13916926003