Cite this paper
nullJ. Garcia, A. Calleja, E. Corominas, D. Gacio, L. Campa and R. Díaz, "Integrated Off-Line Ballast for High Brightness LEDs with Dimming Capability," Circuits and Systems
, Vol. 2 No. 4, 2011, pp. 338-351. doi: 10.4236/cs.2011.24047
 M. Dyble, N. Narendran, A. Bierman and T. Klein, “Im-pact of Dimming White LEDs: Chromaticity Shifts Due to Different Dimming Methods,” 5th International Con-ference on Solid State Lighting, Bellingham, 1 August 2005. doi:10.1117/12.625924
 N. Narendran and Y. Gu, “Life of LED-Based White Light Sources,” IEEE Journal of Display Technology, Vol. 1, No 1, 2005, pp. 167-171.
 J. Garcia, M. A. Dalla-Costa, J. Cardesin, J. M. Alonso and M. Ri-co-Secades, “Dimming of High-Brightness LEDs by Means of Luminous Flux Thermal Estimation,” IEEE Transactions on Power Electronics, Vol. 24, No. 2, 2009, pp. 1107-1114.
 J. Bielecki, A. S. Jwania; F. El Kha-tib and T. Poorman, “Thermal Considerations for LED Components in an Automotive Lamp,” 23rd Annual IEEE Semiconductor Thermal Measurement and Management Symposium, San Jose, 18-22 March 2007, pp. 37-43.
 C. C. Chen, C. Y. Wu, Y. M. Chen and T. F. Wu, “Sequential Color LED Backlight Driving System for LCD Panels,” IEEE Transactions on Power Electronics, Vol. 22, No. 3, 2007, pp. 919-925.
 M. Rico-Secades, A. J. Calleja, J. Ribas, E. L. Corominas, J. M. Alonso, J. Cardesín and J. García, “Evaluation of a Low-Cost Per-manent Emergency Lighting System Based on High Effi-ciency LEDs,” IEEE Transactions on Industry Applica-tions, Vol. 41, No. 5, 2005, pp. 1386-1390.
 Y.-K. Lo, K.-H. Wu, K.-J. Pai and H.-J. Chiu, “Design and Implementation of RGB LED Drivers for LCD Backlight Modules,” IEEE Transactions on Industrial Electronics, Vol. 56, No. 12, 2009, pp. 4862-4871.
 H.-J. Chiu, Y.-K. Lo, J.-T. Chen, S.-J. Cheng, C.-Y. Lin, and S.-C. Mou, “A High-Efficiency Dimmable LED Driver for Low-Power Lighting Applications,” IEEE Transactions on Industrial Electronics, Vol. 57, No. 2, 2010, pp. 735-743. doi:10.1109/TIE.2009.2027251
 K. Zhou, J. G. Zhang, S. Yuvarajan and D. F. Weng, “Quasi-Active Power Factor Correction Circuit for HB LED Driver,” IEEE Transactions on Power Electronics, Vol. 23, No. 3, 2008, pp. 1410-1415.
 M. Rico-Secades, J. Garcia, J. Cardesin and A. J. Calleja, “Using Tapped In-ductor Converters as LED Drivers,” Conference Record of the 2006 IEEE Industry Applications Conference 41st IAS Annual Meeting, Tampa, 8-12 October 2006, pp. 1794-1800.
 X. Qu, S. Ch. Wong and Ch. K. Tse, “Isolated PFC Pre-Regulator for LED Lamps,” Proceed-ings of 34th Industrial Electronics Annual Conference, Orlando, 10-13 November 2008, pp. 1980-1987.
 Y. X. Qin, H. S. H. Chung, D. Y. Lin and S. Y. R. Hui, “Current Source Ballast for high Power Lighting Emitting Diodes without Electrolytic Capacitor,” Proceedings of 34th Industrial Electronics Annual Conference, Orlando, 10-13 November 2008, pp. 1968-1973,
 Y. Hu and M. M. Jovanovic, “LED Driver with Self-Adaptive Drive Voltage,” IEEE Transaction on Power Electronics, Vol. 23, No. 6, 2008, pp. 3116-3125.
 Y. Fang; S.-H. Wong and L. L. Hok-Sun, “A Power Converter with Pulse-Level-Modulation Control for Driving High Brightness LEDs,” Proceedings of the Twenty- Fourth Annual IEEE Applied Power Electronics and Exposition Conference, Washington DC, 15-19 February 2009, pp. 577-581.
 D. Rand, B. Lehman and A. Shteynberg, “Issues, Models and Solu-tions for Triac Modulated Phase Dimming of LED Lamps,” Proceedings of the IEEE Power Electronics Specialists Conference 2007, Orlando, 17-21 June 2007, pp. 1398-1404.
 X. R. Xu and X. B. Wu, “High Dimming Ratio LED Driver with Fast Transient Boost Converter,” Proceedings of the IEEE Power Electronics Specialists Conference 2008, Rhodes, 15-19 June 2008, pp. 4192-4195.
 N. Prathyusha and D. S. Zinger, “An Effective LED Dimming Approach,” 2004 IEEE Industry Applications Conference, 39th IAS Annual Meeting, Seattle, 3-7 October 2004, pp. 1671-1676. doi:10.1109/IAS.2004.1348695
 D. Gacio, J. M. Alonso, J. Garcia, L. Campa, M. Crespo and M. Ri-co-Secades, “High Frequency PWM Dimming Technique for High Power Factor Converters in LED Lighting,” Proceedings of the Twenty-Fifth Annual IEEE Applied Power Electronics and Exposition Conference 2010, Palm Springs, 21-25 February 2010, pp. 743-749.
 D. Gacio, J. Alonso, J. Garcia, L. Campa, M. Crespo Ramos and M. Rico-Secades, “PWM Series Dimming for Slow-Dynamics HPF LED Drivers: The High Frequency Approach,” IEEE Transactions on Industrial Electronics, No. 99, p. 1. doi:10.1109/TIE.2011.2130503
 L. Gu, X. Ruan, M. Xu and K. Yao, “Means of Eliminating Electrolytic Capacitor in AC/DC Power Supplies for LED Lightings,” IEEE Transactions on Power Electronics, Vol. 24, No. 5, 2009, pp. 1399-1408.
 J. Garcia, A. J. Calleja, E. L. Corominas, D. Gacio and J. Ribas, “Elec-tronic Driver without Electrolytic Capacitor for Dimming High Brightness LEDs,” 35th Annual Conference of the IEEE Industrial Electronics Society, Porto, 2-5 November 2009, pp. 3518-3513.
 J. Garcia, A. J. Calleja, E. L. Corominas, J. Ribas, L. Campa and R. E. Díaz, “Integrated Driver for Power LEDs,” 36th Annual Conference of the IEEE Industrial Electronics Society, Glendale, 2-5 November 2010, pp. 2578-2583. doi:10.1109/IECON.2010.5675150
 Luxeon LXK2 white LED datasheet, DS51, 2006.