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DRIVER CIRCUIT FOR SWITCHING CONVERTERS, CORRESPONDING CONVERTER AND METHOD
DRIVER CIRCUIT FOR SWITCHING CONVERTERS, CORRESPONDING CONVERTER AND METHOD
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机译:开关变换器的驱动电路,相应的变换器和方法
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摘要
A driver circuit includes an input node to receive an input signal for conversion at the output node of a converter, a driver node to provide to a switching power circuit stage in the converter a pulse-width modulated drive signal having an active time, first and second active time generation paths, and a selector circuit coupled to the first and second active time generation paths. The circuit is operable selectively in a first and a second operational mode wherein the driver node receives the pulse-width modulated drive signal having a first active time value generated in the first active time generation path, or a second active time value generated in the second active time generation path. The second active time generation path includes an active time generator network to provide a second active time value with the second active time value adaptively variable to match the first active time value.
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