Electricity: power supply or regulation systems – In shunt with source or load – Using choke and switch across source
Reexamination Certificate
2005-04-12
2005-04-12
Vu, Bao Q. (Department: 2838)
Electricity: power supply or regulation systems
In shunt with source or load
Using choke and switch across source
C323S284000, C323S224000
Reexamination Certificate
active
06879135
ABSTRACT:
A DC—DC converter may comprise a plurality of voltage multiplying stages of the capacitive type, each multiplying stage comprising a plurality of selectively connectable boosting branches. In one embodiment, the DC—DC converter comprises an inductor connected between a supply line and a ground line through a switching transistor; a voltage multiplying circuit formed by a plurality of voltage multiplying stages of capacitive type, connected together in cascade and each having an input connected to an intermediate node between the inductor and the transistor, and an output supplying a potential equal to the potential of the intermediate node multiplied by a respective multiplication factor. Each voltage multiplying stage comprises a plurality of parallel, selectively connectable boosting branches. The number of the active boosting branches may be varied in response to the energy required by the loads.
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Boller Timothy L.
Jorgenson Lisa K.
Seed IP Law Group PLLC
STMicroelectronics S.r.l.
Vu Bao Q.
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