Abstract
The paper illustrates the design and operation of a line fed, solid state lamp driver based on the asymmetrical half bridge (AHB) flyback converter. The favorable converter's characteristics, in terms of soft-switching range and circuit complexity, allow it to operate at variable switching frequency in the range 300–450 kHz, supplying 6W to the load. The lamp is made up of 5 series connected high power LEDs (Cree XR-E) and is supplied with 350 mA closed loop regulated, constant current. While presenting similar complexity and overall efficiency with respect to a conventional driver, the proposed circuit allows a significant volume reduction and consequent power density improvement.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
