POWER ADAPTER AND METHOD FOR FIXING DC VOLTAGE GAIN THEREOF
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United States of America Patent
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Issued Date -
Oct 26, 2017
app pub date -
Aug 23, 2016
filing date -
Apr 21, 2016
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Abstract
A power adapter and a method for fixing DC voltage gain thereof are disclosed. The power adapter applied for powering an electronic device includes a voltage converter, an LLC converter, and a controlling module. The LLC converter is electrically connected to the voltage converter and receives an input voltage provided by the voltage converter. The controlling module with a plurality of controlling modes is electrically connected to the voltage converter, the LLC converter, and the electronic device; the controlling module selects one of the controlling modes in accordance with a voltage requirement of the electronic device, the controlling module further drives the voltage converter to provide the input voltage based on the selected controlling mode, which makes the LLC converter to provide an output voltage to fit the voltage requirement of the electronic device, thus a DC voltage gain of the power adapter is fixed.
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