Patent ID: 6535408
Filing Date: 2003-03-18
Classification: H02M

Abstract:
A power converter with adjustable output voltage, having a positive voltage output terminal and a negative voltage output terminal, comprising:a voltage comparator having a first input terminal, a second input terminal and a compare output terminal; a voltage shift impedance device; a Zf; a Zi; and a current source, wherein the compare output terminal of the voltage comparator is electrically coupled to a first terminal of the Zf, the first input terminal is electrically coupled to a second terminal of the Zf and a first terminal of the Zi, a second terminal of the Zi is electrically coupled to the current source and a first terminal of the voltage shift impedance device, a second terminal of the voltage shift impedance device is electrically coupled to the positive voltage output terminal, and the second input terminal is electrically connected for receiving a reference voltage.