November 17th, 2016
Three new LED design examples for A19 bulbs are now available. Each design uses LYTSwitch-7,
Power Integrations latest LED driver IC.
Design Example Report 561 (DER-561) is a 7.5 W TRIAC dimmable, high efficiency, power factor
corrected, non-isolated buck LED driver. This design has excellent dimming performance at low line
input (90 VAC – 132 VAC).
DER-563 is a 8.5 W TRIAC dimmable high efficiency power factor corrected non-isolated buck LED
driver. This design features a fast start-up time (
DER-568 is a 10 W dimmable, high efficiency (>87%), power factor corrected, non-isolated buck
LED driver. DER-568 works with a wide selection of TRIAC dimmers and meets California Energy
Commission's Title 24 <25% flicker requirement.
Additional features in all designs
For each design, a pre-assembled design example board is available for purchase. These boards
are working prototypes of the finished design.
For more information about these and other LYTSwitch-7 designs, visit the LYTSwitch-7 product page.