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    • 10. 发明申请
    • Soft Start Scheme Under Low Voltage Power
    • 低压电源下软启动方案
    • US20130285632A1
    • 2013-10-31
    • US13594896
    • 2012-08-27
    • Chih-Ning ChenYen-Ming Chen
    • Chih-Ning ChenYen-Ming Chen
    • G05F1/10
    • H02M1/36H03F3/45192H03F2203/45674
    • A soft start circuit includes an error amplifier for generating a control signal according to an input voltage, a feedback voltage and a reference voltage, a feedback circuit for generating the feedback voltage according to an output voltage, an internal voltage source for generating a soft start voltage, and a sink circuit including a first transformation module for generating a first transformation current according to the soft start voltage, a second transformation module for generating a second transformation current according to the feedback voltage, a comparison module coupled to the first transformation module and the second transformation module for generating a comparison result according to the first transformation current and the second transformation current, and an output module coupled to the comparison module for generating a sink current according to the comparison result, so as to control the control signal.
    • 软启动电路包括误差放大器,用于根据输入电压,反馈电压和参考电压产生控制信号,用于根据输出电压产生反馈电压的反馈电路,用于产生软启动的内部电压源 电压和宿电路,包括用于根据软启动电压产生第一变换电流的第一变换模块,用于根据反馈电压产生第二变换电流的第二变换模块,耦合到第一变换模块的比较模块和 用于根据第一变换电流和第二变换电流产生比较结果的第二变换模块,以及耦合到比较模块的输出模块,用于根据比较结果产生吸收电流,以便控制控制信号。