High Power Factor Led Driver

Using pulse frequency modulation technology and operating in boundary conduction mode this device provides tight current regulation to an accuracy of 2 while achieving a power factor of 0 97 and thd of less than 20.

High power factor led driver. Typically they vary by a factor of 2 from the rated trip point. Clearly high power factor is very beneficial in all electrical products that operate from the ac power grid and that includes led lighting. Lytswitch 6 lyt6068c hiperpfs 4 pfs7624c. 65 w 2 stage pfc boost and isolated flyback dimmable led ballast.

Der 754 29 w high power factor isolated flyback led driver using lytswitch 6 with 3 in 1 dali dimming and cct toggle 29 w high power factor isolated flyback led driver 180 vac 265 vac input. Although individual led lights consume relatively small quantities of power typically 5w to 100w lighting is nevertheless very significant since somewhere around 20 percent of electricity produced is. 180 265 vac. The ncl30000 is a switch mode power supply controller intended for low to medium power single stage power factor pf corrected isolated flyback led drivers.

The led with a power factor of 95 would draw approximately 0 092 amps while the led with a power factor of 55 would draw 0 16 amps. The hvled815pf device is an integrated power controller with primary side control to achieve the led current regulation within 5. So if you have a led that needs 500ma and you get a ptc rated at 500ma you will end up with anywhere from 500ma to 1000ma not safe for the led. The future of lighting.

90 277 vac. High power led driver circuits. Diodes incorporated has announced the ap1684 a power factor corrected ac dc led driver suiting a variety of offline led lamp types including e26 gu10 par and t8. 29 w high power factor isolated flyback led driver with 3 in 1 and dali dimming.

High brightness leds are an inexpensive robust and green replacement for halogen light bulbs. 29 w high power factor isolated flyback led driver with dali dimming. Highest efficiency of up to 94 percent by resonant topology a thd factor less than 3 5 percent and a high power factor of more than 0 95 allow for more lumen output and less thermal load enabling cost effective designs and keeping cost for leds and heat sink low. It employs a critical conduction mode crm control technique to ensure near unity power factor across a wide range of input voltages and output power.

36 v 800 ma output using lytswitch 6 lyt6067c with 3 in 1 dali dimming and cct toggle download pdf view pdf. 36 v 800 ma. The evlhvled815w8cv demonstration board shows how to implement a high power factor led driver with a constant voltage regulation using the single stage primary side hvled815pf controller.