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US08971062B2 Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation 有权
具有初级侧感测和调节功能的反激式电源转换器的恒压模式和恒流模式的系统和方法

Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation
Abstract:
System and method for regulating a power converter. The system includes a first signal generator configured to receive at least an input signal and generate at least a first output signal associated with demagnetization and a second output signal associated with sampling. Additionally, the system includes a sampling component configured to receive at least the input signal and the second output signal, sample the input signal based on at least information associated with the second output signal, and generate at least a third output signal associated with one or more sampled magnitudes. Moreover, the system includes an error amplifier configured to receive at least the third output signal and a first threshold voltage and generate at least a fourth output signal with a capacitor, the capacitor being coupled to the error amplifier.
Abstract(Chinese):

用于调节功率转换器的系统和方法。 该系统包括第一信号发生器，其被配置为接收至少一个输入信号并且产生与去磁有关的至少第一输出信号和与取样相关联的第二输出信号。 另外，该系统包括被配置为至少接收输入信号和第二输出信号的采样分量，至少基于与第二输出信号相关联的信息对输入信号进行采样，并且产生与一个或多个输出信号相关联的至少第三输出信号 更多采样幅度。 此外，该系统包括误差放大器，该误差放大器被配置为接收至少第三输出信号和第一阈值电压并且用电容器产生至少第四输出信号，该电容器耦合到误差放大器。

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