| 摘要 |
<p>A voltage controller for an electronic appliance capable of using a plurality of power sources selectively and a method thereof. The plurality of power sources includes a battery power source and an adaptor power source. The voltage controller detects a voltage of a specific power source applied to the voltage controller and then converts an input power source into the specific power source. Further, the voltage controller cuts off an over voltage higher than a predetermined voltage.</p> |
