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DC-DC CONVERTER HAVING A SWITCH ON-TIME CONTROL LOOP WITH A SWITCHED-CAPACITOR CIRCUIT FOR ERROR-BASED ADJUSTMENT
DC-DC CONVERTER HAVING A SWITCH ON-TIME CONTROL LOOP WITH A SWITCHED-CAPACITOR CIRCUIT FOR ERROR-BASED ADJUSTMENT
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机译:DC-DC转换器具有带开关电容电路的开关导通时间控制环,可用于基于误差的调整
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摘要
An apparatus includes a direct-current to direct-current (DC-DC) converter having an output node and at least one electronic switch. The DC-DC converter also includes: 1) a first feedback loop configured to control a voltage at the output node by adjusting a first switching parameter of the at least one electronic switch; and 2) a second feedback loop configured to adjust a second switching parameter of the at least one electronic switch. The second feedback loop includes a switched-capacitor circuit configured to determine a threshold signal based on an error between a reference signal and a control signal for the at least one electronic switch. The second feedback loop is configured to adjust the second switching parameter based on a comparison of an on-time signal with the threshold signal.
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