Title
Reference Design Report for a 12.6 W, TRIAC
Dimmable, High Efficiency (>86%) Isolated
Flyback, Power Factor Corrected (>0.97) LED
Driver Using LYTSwitchTM LYT4313E
Specification 90 VAC – 132 VAC Input; 34 V, 370 mA Output
Application
Down Light LED Driver
Author
Applications Engineering Department
Document
Number
RDR-347
Date
February 11, 2013
Revision
1.2
Summary and Features
High efficiency, ≥86% at 120 VAC
Low cost
Single-stage converter
Single sided PCB
Low component count
Works with a wide rand of leading edge and trailing edge TRIAC dimmers
Wide dimming range
No pop-on, reduced dead band and very fast start-up
Enhanced user experience
Flicker-free, fast monotonic start-up (
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