Single-inductor multiple-output switching converters in PCCM...

Details Single-inductor multiple-output switching converters in PCCM... Single-inductor multiple-output switching converters in PCCM...

2003-12-29

2008-10-07

Sherry, Michael J (Department: 2836)

Electrical transmission or interconnection systems

Plural load circuit systems

Control of current or power

Reexamination Certificate

active

07432614

ABSTRACT:
A method and apparatus are disclosed for single-inductor multiple-output switching converter design. With the proposed freewheel switching control, this converter operates in a pseudo-continuous conduction mode (PCCM) and is capable of handling large load currents with a much smaller current ripple and peak inductor current, while retaining low cross regulation. It can also work in discontinuous conduction mode (DCM) for high efficiency at light loads. This design can be applied to have single or multiple outputs and for different types of DC-DC conversions.

REFERENCES:
patent: 5617015 (1997-04-01), Goder et al.
patent: 6075295 (2000-06-01), Li
patent: 6075344 (2000-06-01), Kawai
patent: 6259235 (2001-07-01), Fraidlin et al.
patent: 6522108 (2003-02-01), Prager et al.
patent: 6600670 (2003-07-01), Morita et al.

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