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Circuit suppressing excessive current in startup phase of a voltage converter and method thereof
Circuit suppressing excessive current in startup phase of a voltage converter and method thereof
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机译:在电压转换器的启动阶段抑制过量电流的电路及其方法
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摘要
A control circuit and the control method for controlling the current voltage converter of a power conversion system in the start-up phase are disclosed. A first voltage is applied to the non-inverting input terminal of the comparator and a reference voltage is applied to the inverting input terminal of the comparator. When the first voltage exceeds the reference voltage, the comparison result from the comparator triggers the frequency of the clock signal generated by the oscillator to reduce preventing the primary current flowing through the primary winding of the transformer exceeding a pre-set value.
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