品牌：Astec类型：AC/DC电源型号：LPS253-CF调制方式：脉冲宽度调制(PWM)式输入电压：85~264VAC（V）输出功率：250W（W）输出电压：12（V）工作效率：75（%）输出纹波噪音：120mV电压调整率：+-0.2（%）负载调整率：+-2（%）产品认证：ULLPS250SeriesWebSheetTotalMaxPower:250WTotalMaxCurrent:50AInputVoltage:85Vto264VOutputVoltage:3Vto48VOutputs:SingleSize(LxWxH):9.000"x5.000"x2.000"Warranty:2yearsOperatingTemperature:0to+70CDownloadDatasheetSpecialfeaturesDCpowergoodCover-COptionalendfancover-CEFOverloadprotection120kHzswitchingfrequencyThermaloverloadprotectionOvervoltageprotection2Supervisoryoutputs5Vand12VLowoutputrippleBuilt-inEMIfilterSinglewirecurrentsharingPowerfailOptionaltopwithfancover-CFIECEN6100-3-2complianceRemotesense&remoteinhibitActivepowerfactorcorrectionElectricalspecsInputInrushcurrent:20Amax.,coldstart@25°CInputrange:85-264VAC;120-300VDCEfficiency:75%typicalatfullloadFrequency:47-440HzEMIfilter:FCCClassBconductedandradiatedCISPR22ClassSafetygroundleakagecurrent:<0.5mA@50/60Hz,264VACinputPowerfactor:0.99typicalOutputMaximumpower:Withcover:250Wwith30CFMforcedair.(-C)(-CAdjustmentrange:2:1wideratioSupervisoryoutput:5V@100mAregulated;12V@500mAHold-uptime:20ms@250Wload,115VACnominallineatfactorOverloadprotection:Shortcircuitprotectiononalloutputs.CaseoverOvervoltageprotection:5Voutput:5.7to6.7VDC.Othermodels10%to25LogicControlRemotesense:Compensatesfor0.5Vleaddropmin.WilloperateRemoteon/off:Requiresanexternalcontact(N.OorN.C)toinhibDCOK:TTLlogicgoeshigh50-150msecaftertheoutput.Powerfailure:TTLlogicsignalgoeshigh50-150msecafter5VoLPS250modelsOutput(s)ModelNoBuyNowEvaluation6V@50ALPS252-CBuyNowRequest6V@50ALPS252-CEFBuyNowRequest6V@50ALPS252-CFBuyNowRequest12V@21ALPS253-CBuyNowRequest12V@21ALPS253-CEFBuyNowRequest12V@21ALPS253-CFBuyNowRequest24V@16.7ALPS254-CBuyNowRequest24V@16.7ALPS254-CEFBuyNowRequest24V@16.7ALPS254-CFBuyNowRequest48V@10.4ALPS255-CBuyNowRequest48V@10.4ALPS255-CEFBuyNowRequest48V@10.4ALPS255-CFBuyNowRequest)