Patent ID: 6625042
Filing Date: 2003-09-23
Classification: H02M

Abstract:
A power supply arrangement comprising a DC/DC converter including:a half bridge, including a first and a second switch element, which when the power supply arrangement is in operation is connected between a first and a second DC voltage potential; a transformer having a primary side with a primary winding and a secondary side with a secondary winding, whose primary winding together with a first capacitive element is included in a circuit branch connected in parallel to the first switch element, the capacitive element in the circuit branch being connected in series to the primary winding; and a primary-side control loop configured to control voltage on the primary winding of the transformer by adapting control signals for at least one of the first and second switch elements, configured to adapt a duty cycle associated with the first and second switch elements, and configured to adapt the control signals based on a voltage at a connection between the capacitive element and the primary winding.