Patent ID: 8569973

Claim:
A circuit, comprising: a rectifier circuit having first and second input terminals and first and second output terminals and configured to provide an output voltage; a capacitive element having first and second terminals coupled to the first and second output terminals of the rectifier circuit, respectively, wherein the capacitive element is configured to receive the output voltage from the rectifier circuit; and a rectification-booster circuit that includes; first and second input terminals configured to receive an alternating input voltage and first and second output terminals coupled to the first and second terminals of the capacitive element, the rectification-booster circuit structured to rectify a high-frequency component of the alternating input voltage and to output a discharge voltage onto the capacitive element to boost a voltage on the capacitive element above the output voltage; a diode circuit having first and second input terminals, and first and second output terminals coupled to the first and second output terminals of the rectification-booster circuit; a first capacitor having a first terminal coupled to the first input terminal of the rectification-booster circuit and a second terminal coupled to the first input terminal of the diode circuit; a second capacitor having a first terminal coupled to the second input terminal of the diode circuit and a second terminal coupled to the second input terminal of the rectification-booster circuit; a third capacitor having a first terminal coupled to the first output terminal of the diode circuit and a second terminal coupled to a common node; and a fourth capacitor having a first terminal coupled to the second output terminal of the rectification-booster circuit and a second terminal coupled to the common node.