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    • 2. 发明申请
    • SWITCHING REGULATOR
    • 开关稳压器
    • US20130241516A1
    • 2013-09-19
    • US13792479
    • 2013-03-11
    • Yusuke UenoIppei Noda
    • Yusuke UenoIppei Noda
    • G05F1/618
    • G05F1/618H02M1/143H02M1/15H02M3/1588H02M2001/0025H02M2001/0032Y02B70/1466Y02B70/16
    • A switching regulator includes a ripple generating circuit that generates a ripple voltage signal having a voltage that increases when a first switch element is on and decreases when a second switch element is on, or a voltage that decreases when the first switch element is on and increases when the second switch element is on, a comparator that compares the ripple voltage signal to a reference voltage, and generates a comparison signal indicating the comparison result, and a switch element control circuit that generates, according to the comparison signal, a control signal to switch on and off of the first switch element and a control signal to switch on and off of the second switch element, and applies the control signals to the first and second switch elements, respectively, wherein the ripple generating circuit generates the ripple voltage signal based on the control signals.
    • 开关调节器包括纹波发生电路,其产生具有当第一开关元件导通时增加的电压的纹波电压信号,当第二开关元件导通时,纹波产生电路减小,或者当第一开关元件导通时增加的电压降低 当所述第二开关元件导通时,将所述纹波电压信号与参考电压进行比较并产生表示所述比较结果的比较信号的比较器,以及根据所述比较信号生成控制信号的开关元件控制电路, 打开和关闭第一开关元件以及控制信号以接通和断开第二开关元件,并将控制信号分别施加到第一和第二开关元件,其中纹波发生电路产生纹波电压信号 对控制信号。