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MODULATION SCHEME USING A SINGLE COMPARATOR FOR CONSTANT FREQUENCY BUCK BOOST CONVERTER
MODULATION SCHEME USING A SINGLE COMPARATOR FOR CONSTANT FREQUENCY BUCK BOOST CONVERTER
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机译:使用单个比较器进行恒定频率降压/升压转换器的调制方案
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摘要
A buck boost converter generates an output voltage responsive to an input voltage and at least one switching control signal in a buck mode of operation, a boost mode of operation and a buck-boost mode of operation. Control logic generates the at least one switching control signal responsive to the output voltage, a reference voltage, and a sensed voltage associated with an inductor current of the buck boost converter. The sensed voltage associated with the inductor current enables the control logic to generate the at least one switching control signal in a selected one of the buck mode of operation, the boost mode of operation and the buck-boost mode of operation.
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