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Systems and methods for flyback power converters with switching frequency and peak current adjustments based on changes in feedback signals
Systems and methods for flyback power converters with switching frequency and peak current adjustments based on changes in feedback signals
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机译:具有基于反馈信号的变化来调节开关频率和峰值电流的反激式功率转换器的系统和方法
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摘要
System and method for regulating a power converter. The system includes a first comparator configured to receive a first input signal and a second input signal and generate a first comparison signal based on at least information associated with the first input signal and the second input signal, a pulse-width-modulation generator configured to receive at least the first comparison signal and generate a modulation signal based on at least information associated with the first comparison signal, a driver component configured to receive the modulation signal and output a drive signal to a switch to adjust a primary current flowing through a primary winding of the power converter, and a voltage-change-rate detection component configured to sample the feedback signal to generate a first sampled signal for a first modulation period and to sample the feedback signal to generate a second sampled signal for a second modulation period.
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