RDK-801 Power Integrations

Reference Design Report for a 100 W 2- Stage Boost and Isolated Flyback Dimmable Title TM LED Ballast Using HiperPFS -4 PFS7626C TM TM and LYTSwitch -6 PowiGaN LYT6079C Specification 100 VAC 277 VAC Input 48 V, 2080 mA Output Application 3-Way Dimming LED Ballast Author Applications Engineering Department Document RDR-801 Number Date July 17, 2020 Revision 1.3 Summary and Features With integrated PFC function, PF >0.95, <10 % ATHD Accurate output voltage and current regulation, 5% Very low ripple current, <10% of I OUT Highly energy efficient, 90 % at 230 V Low cost and low component count for compact PCB solution 3-way dimming functions 0 VDC - 10 VDC analog dimming 10 V PWM signal (frequency range: 100 Hz to 3 kHz) Variable resistance (0 to 100 k) Integrated protection and reliability features Output short-circuit Line and output OVP Line surge or line overvoltage Over temperature shutdown with hysteretic automatic power recovery No damage during line brown-out or brown-in conditions Meets IEC 2.5 kV ring wave, 1 kV differential surge Meets EN55015 conducted EMI Power Integrations 5245 Hellyer Avenue, San Jose, CA 95138 USA. Tel: +1 408 414 9200 Fax: +1 408 414 9201 www.power.com RDR-801 100 W LED Ballast Driver Using PFS7626C & LYT6079C 17-Jul-20 PATENT INFORMATION The products and applications illustrated herein (including transformer construction and circuits external to the products) may be covered by one or more U.S. and foreign patents, or potentially by pending U.S. and foreign patent applications assigned to Power Integrations. A complete list of Power Integrations patents may be found at www.power.com. Power Integrations grants its customers a license under certain patent rights as set forth at