如果实际负载是额定输出功率的一半，则输入电压可以是通用输入电压。
If the Load is less than half of the Rated Power, then the input voltage can be the universal input voltage.
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 power supply efficiency shall be greater than65% under rated input voltage. It will be measured at the typical load and maximum load.
当输入交流电压为额定值的下限时，输出电压负载满载，最大输入交流电流2.5A。
5Arms max At any input voltage and rated, DC output rated load.
该功率放大器能够在2.5V—5.5 V的电源电压工作，且能为4 ？负载提供2w的额定输出功率。
This power amplifier can work with 2.5v-5.5v supply, and provide 2w rated output-power with 4? Audio-Load.
该功率放大器能够在2.5V—5.5 V的电源电压工作，且能为4 ？负载提供2w的额定输出功率。
This power amplifier can work with 2.5v-5.5v supply, and provide 2w rated output-power with 4? Audio-Load.
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