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A new type of up convertor which does not include inductance is described. Voltage multiplication is achieved by charging the capacitors in parallel and discharging them in series. The circuit includes two groups of switched capacitors which are alternately connected to the source and the load, such that the input charging pulses and output ripple are reduced, compared with a circuit including only one group of switched capacitors. This type of convertor may be applied in high-voltage systems, and because there is no inductance, it can also be included in integrated circuits.
Date of Publication: Aug 1982