Patent ID: 8933649
Filing Date: 2015-01-13
Classification: H02M

Abstract:
1. A non-isolated power converter, comprising: a first winding; a second winding magnetically coupled to the first winding and electrically coupled to an output of the power converter; a switch coupled between the first winding and the second winding; a controller having a feedback terminal and a common terminal, wherein the controller is coupled to control the switch to regulate the output of the power converter in response to a feedback voltage received at the feedback terminal and wherein the feedback voltage is a positive voltage with respect to the common terminal; and an output capacitor coupled to provide an output voltage across the output capacitor to a load, wherein the output capacitor includes a first terminal coupled to the common terminal of the controller and a second terminal coupled to a common reference of the power converter, and wherein the output voltage is a negative voltage with respect to the common reference of the power converter.