A DC-DC converter has a plurality of diverse type DC-DC converter channels whose outputs are combined to provide a composite DC power output to a load. One of the channels is a high efficiency power path that supplies the average current demand of the load. A second channel comprises a fast transient response power path which handles transient response demands.
CROSS-REFERENCE TO RELATED APPLICATION
The present application claims the benefit of previously filed, now abandoned Application Ser. No. 60/545,368, filed Feb. 18, 2004 by S. Petricek, entitled: "Method of Controlling Multiple Parallel Conversion Paths," assigned to the assignee of the present application, and the disclosure of which is incorporated herein.
The invention relates to a dynamic conversion circuit for improving the transient response of a switching DC-DC converter, such as in a voltage regulator module (VRM). The dynamic conversion circuit may be applied to a single phase or multiphase interleaved VRM of either isolated or non-isolated design configurations, and enhances power transfer from the input to the output of the DC-DC converter and tightly regulates the output voltage during harsh load current transients.
