Multi-phase buck converter

Details Multi-phase buck converter Multi-phase buck converter

2006-04-25

2006-04-25

Laxton, Gary L (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S225000

Reexamination Certificate

active

07034511

ABSTRACT:
A buck converter for providing an output voltage to a load, including a plurality of output switch arrangements having respective output inductors coupled to an output capacitor, the switch arrangements being controllable to provide phase output currents to the output capacitor; a plurality of phase output arrangements respectively coupled to the output switch arrangements, the phase output arrangements being controllable to set the respective phase output currents supplied by the output switch arrangements; a phase control bus communicatively coupled to each of the phase output arrangements; and a phase control arrangement communicatively coupled to the phase control bus, the phase control arrangement being configured to control the phase output arrangements to set the respective phase output currents so that the output voltage approximates the desired voltage; wherein the phase control arrangement and the phase output arrangements are provided as respective integrated circuits.

REFERENCES:
patent: 6563294 (2003-05-01), Duffy et al.
patent: 6628106 (2003-09-01), Batarseh et al.
patent: 6670794 (2003-12-01), Wang et al.
patent: 6806689 (2004-10-01), Schuellein et al.
patent: 6826028 (2004-11-01), Schuellein
patent: 6839252 (2005-01-01), Tai et al.
patent: 6903537 (2005-06-01), Tzeng et al.

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