| 摘要 |
A power supply 1 for an electronic device comprising electric cells 7 arranged to generate an intermediate voltage Vx, and a voltage converter 30 coupled to the electric cells 7 , the voltage converter 30 converting the intermediate voltage Vx to an output voltage Vo, wherein the converter 30 comprises a switch 14 to vary the output voltage Vo to match an input voltage of the electronic device.
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