Patent Number: 6,294,882

Title: Circuit arrangement with improved power-factor for feeding a discharge lamp

Abstract: A half-bridge circuit which is operated as a double down-converter is equipped with a second inductor and power feedback capacitors and diodes. The power factor of the circuit is substantially improved thereby.

Inventors: Blom; Anton Cornelis (Eindhoven, NL)

Assignee: U.S. Philips Corporation

International Classification: H02M 1/00 (20060101); H05B 41/28 (20060101); H05B 041/16 ()

Expiration Date: 09/25/2018