Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2007-09-04
2007-09-04
Le, Dinh T. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C327S589000, C327S390000
Reexamination Certificate
active
10933813
ABSTRACT:
A boost converter with a flying capacitor topology is provided. The flying capacitor is charged during a first half of a cycle. During a second half of the cycle, the output voltage of the boost converter is supplied from Vdd until the output voltage approximately reaches Vdd. At that point, the flying capacitor is used to provide the output voltage.
REFERENCES:
patent: 6242970 (2001-06-01), Grant et al.
patent: 6486729 (2002-11-01), Imamiya
patent: 6559689 (2003-05-01), Clark
patent: 6738272 (2004-05-01), Yamanaka et al.
patent: 2002/0014908 (2002-02-01), Lauterbach
Darby & Darby P.C.
Gaffney Matthew M.
Le Dinh T.
National Semiconductor Corporation
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