Power supply or circuit capable of regulating either alternating or direct current within 5% of desired value, and limiting the open circuit (source) voltage to 20 millivolts maximum.
电源及能调节交流或直流电流在期望值的5%之内的，控制开路电压到最大20毫伏的路。
The power supply efficiency shall be greater than65% under rated input voltage. It will be measured at the typical load and maximum load.
在额定输入电压，最大负载和额定负载条件下，电源的效率大于65%。
The leakage current shall be less than 0.75m a for class II when power supply is operated maximum input voltage and maximum load.
当电源供应器操作在最大输入及最大负载情况下，其漏电流应小于0.75 m a，满足Class II等级。
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