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电源模块的电流该怎么选择

Source: Time:2019-06-17 16:18:43 views:

 今天圣羽翔的小编告诉大家电源模块的电流该怎么选择?顺便来给大家理理思路,希望可以帮到你。

  电源模块

  因开关电源工作效率高,一般可达到80%以上,故在其输出电流的选择上,应准确测量或计算用电设备的最大吸收电流,以使被选用的开关电源具有高的性能价格比,通常输出计算公式为:
  Is=KIf
  式中:Is—开关电源的额定输出电流;
  If—用电设备的最大吸收电流;
  K—裕量系数,一般取1.5~1.8;

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