开关电源测试项目及内容

DC1242-12_V1.2电源测试•测试目的:确认电源的性能与可靠度，提供具有依据的测试数据给客户参考。确保研发出高性能，高稳定性，高可靠度的产品。保证公司产品的知名度与良好反应。InrushCurrent开机瞬间电流•Purpose:Measuretheinrushcurrentoftheinputwhilethepowersupplyturnon.•目的:量测输入电源电压瞬间开启时，电源供应器之瞬间开机电流.•EnvironmentalConditions:Temperature25℃,RelativeHumidity65%•环境条件:温度25℃相对湿度65%•TestConditions:1.Theinputvoltagefrequencymustbeunderanyconditionintherangeoftheproductspecification•测试条件:1.输入电压以产品规格之全电压频率范围Min/115Vac/230Vac/Max•2.Theoutputloadisfullloadonalloutputsatundertheproductspecification.•2.输出负载以产品规格之最大额定电流值﹒•3.ThemeasurementcanbeimplementedonlywhentheACinputvoltageatthe•phaseof90°andthenthepowersupplyturnon.•3.量测时必须于输入之交流电压在相角90°时，将电源供应器开启，量测其输出入瞬间•电流量﹒•4.Dothetestincoldstartonetime,sodoinhotstartonetime.•4.冷机和热机各做一次.•Resultlimit:Surethereisnodamageofcomponents.•结果判定:不能造成产品组件损坏.TestWaveform1.InputCurrent&Power输入电流及功率•Purpose:Measuretheinputcurrentandpoweroftheswitchpowersupply.•目的:量测电源供应器之输入电流及功率•EnvironmentalConditions:Temperature25℃,RelativeHumidity65%•环境条件:温度25℃，相对湿度65%•TestConditions:1.Theinputvoltage&frequencymustbeunderanyconditionoftherangeoftheproductspecification.•测试条件:1.输入电压及频率以产品规格之全电压频率范围•2.Theoutputloadisfullloadonalloutputs•2.输出负载以产品规格之最大额定电流值•FullLoad=•Resultlimit:Themaximuminputcurrentshallnotexceedthespecified.•结果判定:输入电流不能超出产品规格EfficiencyAndPowerFactor输出效率及功率因素•Purpose:MeasuretheefficiencyandpowerfactoroftheSPS.•目的:量测电源供应器之输出效率及功率因素•EnvironmentalConditions:Temperature25℃,RelativeHumidity65%•环境条件:温度25℃相对湿度65%•TestConditions:1.Thepowersupplymustbeonfor10minutesbeforemeasure.•测试条件:1.需先开机10分钟•2.Theinputvoltage&frequencymustbeunderanyconditionintherange•oftheproductspecification.•2.输入电压及频率以产品规格之全电压频率范围•3.Theoutputloadisfullloadonalloutputs.•3.输出负载以产品规格之最大额定电流值•Resultlimit:Theefficiencymustexceedthespecified.•结果判定:效率必须大于产品规格才合格.InputCurrentTest输入电流测试•Purpose:Checkthepowersupply’sinputcurrentbeintherangeofspecification,andfuseisaccordtosafetyrequirement.•目的:确认电源的输入电流在规格范围内并且所用保险丝符合安•规要求.•EnvironmentalConditions:•Temperature:25℃;Humidity:65%•环境条件:温度25℃;湿度65%.•TestConditions:1.Theinputvoltage&correspondingfrequencymustbeMin/115Vac/230Vac/Maxofproductspecification.•测试条件:1.输入电压以产品规格之最小/115Vac/230Vac/最大电压及相应频率•2.TheoutputloadisFull/Maxload.•2.输出负载以满载/最大载测试NoLoadStart无负载启动测试•Purpose:Checkthepowersupplycanstartwithnoload.•目的:量测控制开/关的开关需求电压.•EnvironmentalConditions:•Temperature:25℃;Humidity:65%•环境条件:温度25℃;湿度65%.•TestConditions:1.Theinputvoltage&frequencymustbeMin/Maxratedoftheproductspecification.•测试条件:1.输入电压以产品规格之最小/最大电压及频率•2.Theoutputloadisnoload.•2.输出负载以空载测试OverShoot&UnderShoot电压过冲及过降•Purpose:MeasurewhetheroutputvoltageovershootorundershootfromtheSPSrisetotheoutputvoltagestable.•目的:量测输出电压于开机到稳定时之间,其电压上升是否有过冲或过降现象.•EnvironmentalConditions:Temperature25℃,RelativeHumidity65%•环境条件:温度25℃相对湿度65%•TestConditions:1.Theinputvoltagefrequencymustbeunderanyconditionintherangeoftheproductspecification•测试条件:1.输入电压以产品规格之全电压频率范围•2.Theoutputloadisfullloadonalloutputs.•2.输出负载以产品规格之最大额定电流值﹒•Resultlimit:Therangeofovershoot&undershootshouldbelessthan•10%ofthenormalvoltage.•结果判定:过冲或过降幅度小于其电压值的10%.电压过冲5vsb(过冲)-12V过冲SB过冲波形-12V过冲LineRegulation输入电压调整率•Purpose:Measurethestabilityoftheoutputvoltagewhentheinputvoltageisvariable.•目的:量测电源供应器因输入电压变化输出电压稳定度﹒•EnvironmentalConditions:Temperature25℃,RelativeHumidity65%•环境条件:温度25℃相对湿度65%•TestDemands:1.Theinputvoltagefrequencymustbeunderanyconditionintherangeoftheproductspecification•测试条件:1.输入电压以产品规格之全电压频率范围•2.Theoutputloadisfullloadonalloutputsatundertheproductspecification.•2.输出负载以产品规格之最大额定电流值•3.TestcanbeperformedonlyaftertheSPSisonforabout10minutes.•3.开机10分钟后测试.•Resultlimit:Theoutputvoltagecannotexceedthealloweddifference.•结果判定:输出电压不可超出误差值.LoadRegulation负载调整率(±5%or±10%)•Purpose:Measurethestabilityoftheoutputvoltagewhentheloadisvariable.•目的:量测电源供应器因输出负载变化之输出电压稳定度﹒•EnvironmentalConditions:Temperature25℃,RelativeHumidity65%•环境条件:温度25℃相对湿度65%•TestConditions:1.Theinputvoltagefrequencymustbeunderanyconditionintherangeoftheproductspecification•测试条件:1.输入电压以产品规格之全电压频率范围•2.Outputload:Maximum,middle,minimumloadbytheproductspecification.•2.输出负载以产品规格之最大,中间,最小额定电流值.(依产品规格书为依据)•Resultlimit:Theoutputvoltagecannotexceedthealloweddifference.•结果判定:各组电压不能超出误差值DynamicLoadRegulation动态负载变动率•Purpose:Measurethestabilityofoutputvoltageundertheconditionofallkindsofloadbeingsynchronousvarying.(MinLoadStart&EachoutputMaxLoad)•目的:量测各组负载在做同步变化条件下,各组输出电压的稳定性.•EnvironmentalConditions:Temperature25℃,RelativeHumidity65%•环境条件:温度25℃,相对湿度65%.•TestConditions:1.Theinputvoltagefrequencymustbeunderanyconditionintherangeoftheproductspecification•测试条件:1.输入电压以产品规格之全电压频率范围•2.Outputtransientstepsizesforeachoutputwhenatcapacitiveload:•+12V1/40%,+12V2/60%,+5V,+3.3V/30%,+5Vsb/0.5A,-5V,-12V/0.1A.•2.在容性负载条件,各组输出动态变化负载幅度•3.Simultaneousloadstepsonthe+12V,+5V,+3.3Voutput,allstepoccurinthesame•direction.•3.在+12V,+5V,+3.3V负载同时变化时,其所有负载变化的趋势应是一致的.•4.Dynamicfrequency:50Hz/10kHz.4.动态频率:50Hz/10kHz•5.Slope:1A/uS.5.斜率:1A/uS.•Resultlimit:Outputvoltageisintheproductspecification.•结果判定:各输出电压在产品规格范围内.TestWaveformRipple&Noise输出涟波和噪声•Purpose:Meas