SWITCHING CONTROLLING CIRCUIT, CONVERTER USING THE SAME, AND SWITCHING CONTROLLING METHOD
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United States of America Patent
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Issued Date -
Apr 14, 2016
app pub date -
Aug 3, 2015
filing date -
Oct 8, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A converter includes a switching unit; an energy storage unit storing energy from DC input power and then generating an output voltage, depending on a switching operation of the switching unit; and a switching control unit turning on the switching unit when a voltage between one terminal and the other terminal of the switching unit reaches a lowest point of a resonance waveform. The switching control unit includes a voltage detection unit detecting the voltage between the one terminal and the other terminal at the time of the resonance waveform; a first signal output unit outputting a first signal when the voltage detected by the voltage detection unit reaches a change point of a slope corresponding to the lowest point of the resonance waveform; and a switching driving unit turning on the switching unit in response to the first signal.
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