Patent ID: 7782032

Claim:
A multiphase buck DC to DC converter comprising: a plurality of synchronous buck DC to DC converter cells, each one of the plurality of synchronous buck DC to DC converter cells having an input node, an output node and a control node, the plurality of synchronous buck DC to DC converter cells being arranged in a parallel configuration including having the input nodes of each one of the plurality of synchronous buck DC to DC converter cells connected together at a common input node, the plurality of synchronous buck DC to DC converter cells being arranged in a plurality of pairs of synchronous buck DC to DC converter cells wherein the output nodes of each one of the plurality of pairs of the synchronous buck DC to DC converter cells are connected to corresponding one of a plurality of pair output nodes, wherein each one of the plurality of pairs of the synchronous buck DC to DC converter cells include: a capacitor connected between the common input node and the corresponding pair output node; and a corresponding one of a plurality of output inductors connected between the corresponding pair output node and a common output node.