Patent ID: 7851940
Filing Date: 2010-12-14
Classification: H02M,H05B,Y02B

Abstract:
1. A DC-DC converter circuit, comprising: a boost circuit to boost an input voltage; a first output for coupling to a first load and a second output for coupling to a second load, the first and second outputs being coupled to and driven by the boost circuit, wherein the first and second outputs are independently enabled; a boost loop control module directly coupled to the boost circuit to control voltage supplied to the first and second outputs based upon which of the first or second output requires a higher boost voltage; a first feedback path for a first feedback signal from the first output and a second feedback path for a second feedback signal from the second output; a switch matrix to provide the first and second feedback paths; and a minimum select circuit to receive the first and second feedback signals for determining which of the first and second outputs requires a higher output voltage.