cccNote:1)Ripple&Noisetest:Ripple&Noisebandwidthissetto20MHz.纹波和噪声测试：纹波和噪音带宽设置在20兆赫兹。2)Usea0.1uFceramiccapacitorinparallelwitha10uFelectrolyticcapacitoratoutputconnectorterminalsforripple&noisemeasurements.输出端并联一个0.1uF的陶瓷电容和一个10uF的电解电容来测试纹波和噪声。1.2.3OutputTransientResponse.（输出动态响应）Table4.Testcondition.测试条件VoltageToleranceLimitSlewRateLoadChange+38V/10%0.25A/uSMin.to50%loadand50%toMaxloadNote:Loadchangerepetitionrate:50Hzto100Hz.跳变负载频率:50~100Hz.1.2.4DCOutputOvershootDuringTurn-On&Turn-Off（输出超调）Table5OutputChannelOutput(V)Overshootvoltage(V)超调电压Turn-on开机Turn-off关机+38V+38V≤10%≤10%Note:AllofdcoutputcurrentfromMin.toMax.测试时负载范围：最小到最大。1.2.5DCoutputvoltagerisetime（输出上升时间）Table6OutputVoltage175Vacinput&FullLoad220Vacinput&FullLoad+38V≤30mS≤30mSNote:Therisetimemeasurediswhentheoutputvoltagesrisefrom10%to90%ofspecifiedoutputvoltageVoutobservedonthechannelwaveform.上升时间为输出电压从10%上升到90%的时间。1.3Protection（保护功能）1.3.1DCOutputOvercurrentProtection（输出过流保护）Table7OutputVoltageOverCurrentComments+38V〉6.5Atyp*Hiccup锁机Note:Theovercurrentprotectionshouldbetestedatotherloadrating.过流保护测试是在其它额定负载时测试。1.3.2DCOutputOverVoltageProtection（输出过压保护）OutputVoltageOverVoltageComments38V40.0Vtyp*Shutdown锁机Note:1.TheoverVoltageprotectionshouldbetestedatotherloadrating.过压保护测试是在其它额定负载时测试。2.Whentheoutputvoltageisover40Vtheproductisprotected.Whenthefaultisexcludedorisstartworkingagainthepowersupplyisworkingnormally.当输出电压超过40V时，产品进入保护状态，当故障排除或重新起机时，电源工作正常。1.3.3DCOutputShortCircuitProtection（输出短路保护）Table8Note:TheShortCircuitprotectionshouldbetestedatotherloadrating.短路保护测试是在其它额定负载时测试。2.Isolation（绝缘性能）2.1IsolationResistance（绝缘阻抗）Table9OutputVoltageComments+38VHiccup锁机2.2Hi-Pot（绝缘耐压）Table10InputToOutputDC500V8MΩmin(atroomtemperature)Note:OpenFGandOutputreturn.交流地和输出负极要断开。)