1、 描述/ DESCRIPTION:产品认证符合：UL、ETL、FCC、CE、GS、SAA、CCC、KC、PSE

常用规格5V; 9V4.; 12V4A; 15V3.2A; 18V2.66A; 24V2A；22V2A;20V2.

The purpose of the document is to specify the functional requirements of at 48W switching power supply.

2、输入特性/INPUT CHARACTERISTICS:

   2.1 输入电压/Input Voltage:

      额定电压/Rated Voltage:100~240Vac

      调整范围/Variation Range:90-264Vac

   2.2 输入频率/Input Frequency:

      额定频率/ Rated Frequency: 50/60Hz.

      调整频率/Variation Frequency:47-63Hz

   2.3 输入电流/Input Current:

      当输入交流电压为额定值的下限电压负载满载时,输入交流电流1.2A. 

      1.2Amps max At any input voltage and rated, DC output rated load.

   2.4 浪涌电流/Inrush Current:

      当输出为额定负载,环境温度为25℃,输入240Vac冷态起机时无损坏.

      When the output of the rated load, the ambient temperature is 25℃, input from 240Vac cold machine without damage to   

    2.5 AC漏电流/Ac Leakage Current:

      当输入电压240Vac时,漏电流为0.25mA.

      0.25mA Max.At240Vac input. 

3、输出特性/OUTPUT CHARACTERISTICS:

3.1 输出功率/Power output

3.2负载特性,调整率/Combined Load/Line Regulation

3.3 纹波和噪音Ripple and Noise:

   测试条件:在输入115/230Vac和输出及负载时,使用示波器带宽为20MHz连接到适配器的输出端,同时输出端并联一个47uF的电解电容和一个0.1uF的瓷片电容.

   At 115/230Vac input and outputMin andMax.Load, the ripple and noise are as follows when measure with Max.Bandwidth of 20MHz and Parallel 47uF/0.1uF,crossed connected at testing point.

电压                  纹波/噪音

Voltage                Ripple and Noise(Max.)

+12Vdc                200mV p-p 

3.4 启动延迟时间/Turn on delay time:

   当输入230Vac和输出负载时,启动时间为3S.

  3Seconds Max.at230Vac input and output Max.load.

3.5上升时间/Rise time:

   当输入115Vac和输出负载时时间为40 mS.

   40mS Max.at 115Vac input and output Max load.

3.6保持时间/Hold up time:

   当输入115Vac和输出负载时,保持时间为5mS.

   5 mS Min.at 115Vac input and output Max.Load.

3.7效率/Efficiency:

      当115/230Vac输入电压时，1/4，1/2，3/4和满载计算平均效率，87.77%。

       87.77%Min, At 115/230Vac input voltage,1/4，1/2，3/4 and full load calculation average efficiency.

      适配器满足能效VI。

 Adapter meet efficiency levelVI 。

7、 结构参数/MECHANICAL REQUIREMENT:

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