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New LED Designs Using PI's LYTSwitch-7
2016-11-18 09:38

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

  • Single-stage power factor correction
  • Accurate constant current regulation
  • Low cost and low component count for compact PCB solution
  • A variety of integrated protection features such as short-circuit and line protection

 

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.