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    • 1. 发明授权
    • Switch control circuit, converter using the same, and switch controlling method
    • 开关控制电路,转换器采用相同的开关控制方式
    • US08823339B2
    • 2014-09-02
    • US13313816
    • 2011-12-07
    • Jae-Yong LeeByung Kwon ChoiYoung-Je LeeIlyong Jung
    • Jae-Yong LeeByung Kwon ChoiYoung-Je LeeIlyong Jung
    • H02M3/156H02M1/34
    • H02M3/156H02M1/34H02M1/4225Y02B70/126
    • The present invention relates to a switch control circuit, a switch control method, and a converter using the same.An input voltage rectified from an AC input in a converter is transmitted to an inductor, and output power is generated from an inductor current by the input voltage. The converter includes a power switch connected to the inductor to control the inductor current and a sense resistor having a first end connected to a ground and a second end connected to the AC input. At a time point that a sense voltage generated in the sense voltage reaches the peak point and then decreased to an on-reference voltage, the power switch is turned on. The on-reference voltage is a sense voltage at a resonance start time point between a parasite capacitor of the power switch and the inductor.
    • 本发明涉及开关控制电路,开关控制方法和使用该开关控制方法的转换器。 从转换器中的AC输入整流的输入电压被传输到电感器,并且通过输入电压从电感器电流产生输出功率。 转换器包括连接到电感器以控制电感器电流的电源开关和具有连接到地的第一端的检测电阻器和连接到AC输入端的第二端。 在感测电压中产生的感测电压达到峰值点然后降低到基准电压的时间点,电源开关被接通。 参考电压是功率开关的寄生电容器和电感器之间的谐振起始时间点处的感测电压。