Patent ID: 6075352
Filing Date: 2000-06-13
Classification: H02M,Y02B

Abstract:
A computer system comprising:a memory having a set of program instructions stored therein;a plurality of electrically-operated components including a first component coupled to receive power from a first power source and a second component coupled to receive power from a second power source;a regulator circuit operable to provide the first power source and the second power source, the regulator circuit including:a first inductive element coupled in series with a first switch to turn current flow through the first inductive element ON and OFF;a second inductive element having a first end coupled to produce the first power source, and magnetically coupled with the first inductive element;a third inductive element magnetically coupled with the first inductive element, the third inductive element having greater inductive capacity than the second inductive element, a first end coupled to produce the second power source, and a second switch to turn current flow through the third inductive element ON and OFF;a saturable reactor coupled to control current flow from the third inductive element to the second switch; anda control circuit coupled to control the ON and OFF duty cycle of the second switch such that when the current is allowed to discharge through the first inductive element, current flows through the third inductive element subsequent to current flow in the second inductive element.