| 摘要 |
A DC-DC converter is provided for converting an input voltage to a first output voltage. The input voltage is input to a first selecting switch, controlled by a first signal, and a second selecting switch. A first capacitor has one end, input by the first signal, and the other end, electrically coupled to the first selecting switch and outputs a first control voltage to control the second selecting switch. A second capacitor has one end, input by a second signal, and the other end, electrically coupled to the second selecting switch and outputs a first storage voltage. The first select switch outputs the first storage voltage as the first output voltage according to the first control voltage. The first or the second signal comes to a first and a second voltage levels by turns and they come to the first or the second level at a different time point.
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