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METHOD FOR GENERATING A CURRENT LIMIT SIGNAL FOR A POWER CONVERTER WITHOUT SENSING AN INPUT VOLTAGE OF THE POWER CONVERTER
METHOD FOR GENERATING A CURRENT LIMIT SIGNAL FOR A POWER CONVERTER WITHOUT SENSING AN INPUT VOLTAGE OF THE POWER CONVERTER
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机译:在不感测功率变换器的输入电压的情况下为功率变换器生成电流极限信号的方法
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摘要
A method for generating a current limit signal for a power converter without sensing an input voltage of the power converter detects a current of a power switch of the power converter to obtain a current sense signal, counts a time for the current sense signal to increase from a first level to a second level, and according to the time, determines a current limit signal for limiting a maximum value of the current of the power switch for the power converter to have a constant maximum output power.
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