1 features ezbright led technology ? 380 mw min. - 450 & 460 nm ? 340 mw min - 470 nm lambertian radiation conductive epoxy, solder paste or preforms, or flux eutectic attach low forward voltage dielectric passivation across epi surface applications general illumination ? aircraft ? decorative lighting ? task lighting ? outdoor illumination white leds lcd backlighting projection displays automotive cree ? ez900? gen ii leds data sheet cxxxez900-sxx000-2 crees ezbright? leds are the next generation of solid-state led emitters that combine highly effcient ingan materials with crees proprietary optical design and device submount technology to deliver superior value for high- intensity leds. the optical design maximizes light extraction effciency and enables a lambertian radiation pattern. additionally, these leds are die-attachable with conductive epoxy, solder paste or solder preforms, as well as the fux eutectic method. these vertically structured, low forward voltage led chips are approximately 170 microns in height. crees ez? chips are tested for conformity to optical and electrical specifcations. these leds are useful in a broad range of applications such as general illumination, automotive lighting, and lcd backlighting. cxxxez900-sxx000-2 chip diagram dat a sheet: cpr3dx rev. b top view bottom view die cross section ezbright led 880 x 880 m 2 gold bond pads (2) 150 x 150 m 2 backside metalization cathodes (-) t = 170 m anode (+) 3 m ausn dielectric passivation subject to change without notice. www.cree.com
2 maximum ratings at t a = 25c note 1 cxxxez900-sxx000-2 dc forward current 1000 ma peak forward current (1/10 duty cycle @ 1 khz) 1250 ma led junction temperature 150c reverse voltage 5 v operating temperature range -40c to +100c storage temperature range -40c to +125c typical electrical/optical characteristics at t a = 25c, if = 350 ma note 2 part number forward voltage (v f , v) reverse current [i(vr=5v), a] full width half max ( d , nm) min. typ. max. max. typ. c450ez900-s xx000-2 2.9 3.3 3.8 20 c460ez900-s xx000-2 2.9 3.3 3.8 21 c470ez900-s xx000-2 2.9 3.3 3.8 mechanical specifcations cxxxez900-sxx000-2 description dimensions tolerance p-n junction area (m) 850 x 850 35 chip area (m) 880 x 880 35 chip thickness (m) 170 25 top au bond pad (m) - qty. 2 150 x 150 25 au bond pad thickness (m) 3.0 1.5 back contact metal area (m) 880 x 880 35 back contact metal thickness (m) 3.0 1.5 notes: 1. maximum ratings are package-dependent. the above ratings were determined using a 3.45 x 3.45 mm smt without an encapsulant for characterization. ratings for other packages may differ. the junction temperature should be characterized in a specifc package to determine limitations. assembly processing temperature must not exceed 325c (< 5 seconds). see cree ezbright applications note for assembly-process information. 2. all products conform to the listed minimum and maximum specifcations for electrical and optical characteristics when assembled and operated at 350 ma within the maximum ratings shown above. effciency decreases at higher currents. typical values given are within the range of average values expected by the manufacturer in large quantities and are provided for information only. all measurements were made using a au-plated to39 header without an encapsulant. optical characteristics were measured in an integrating sphere using illuminance e. 0 200 400 600 800 1000 1200 25 50 75 100 125 150 175 maximum forward current (ma) ambient t emperature (?c) rth j-a = 10 c/w rth j-a = 15 c/w rth j-a = 20 c/w rth j-a = 25 c/w copyright ? 2008-2011 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree and the cree logo are registered trademarks, and ezbright. ez900 and ez are trademarks of cree, inc. cpr3dx rev. b cree, inc. 4600 silicon drive durham, nc 27703 usa tel: +1.919.313.5300 fax: +1.919.313.5778 www.cree.com
3 standard bins for cxxxez900-sxx000-2 led chips are sorted to the radiant fux and dominant wavelength bins shown. a sorted die sheet contains die from only one bin. sorted die kit (cxxx ez900-s xx000-2 ) orders may be flled with any or all bins (cxxx ez900-0 xxx-2 ) contained in the kit. all radiant fux and dominant wavelength values shown and specifed are at if = 350 ma. radiant fux values are measured using au-plated to39 headers without an encapsulant. c450ez900-s38000-2 c450ez900-0317-2 c450ez900-0318-2 c450ez900-0319-2 c450ez900-0320-2 c450ez900-0313-2 c450ez900-0314-2 c450ez900-0315-2 c450ez900-0316-2 c450ez900-0309-2 c450ez900-0310-2 c450ez900-0311-2 c450ez900-0312-2 c450ez900-0305-2 c450ez900-0306-2 c450ez900-0307-2 c450ez900-0308-2 440 mw 420 mw 400 mw 380 mw dominant wavelength radiant flux 447.5 nm 450 nm 452.5 nm 445 nm 455 nm c460ez900-s38000-2 c460ez900-0317-2 c460ez900-0318-2 c460ez900-0319-2 c460ez900-0320-2 c460ez900-0313-2 c460ez900-0314-2 c460ez900-0315-2 c460ez900-0316-2 c460ez900-0309-2 c460ez900-0310-2 c460ez900-0311-2 c460ez900-0312-2 c460ez900-0305-2 c460ez900-0306-2 c460ez900-0307-2 c460ez900-0308-2 dominant wavelength radiant flux 440 mw 420 mw 400 mw 380 mw 457.5 nm 460 nm 462.5 nm 455 nm 465 nm copyright ? 2008-2011 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree and the cree logo are registered trademarks, and ezbright. ez900 and ez are trademarks of cree, inc. cpr3dx rev. b cree, inc. 4600 silicon drive durham, nc 27703 usa tel: +1.919.313.5300 fax: +1.919.313.5778 www.cree.com
4 standard bins for cxxxez900-sxx000-2 (continued) c450ez900-s34000-2 c450ez900-0301-2 c450ez900-0302-2 C450EZ900-0303-2 c450ez900-0304-2 340 mw dominant wavelength radiant flux 447.5 nm 450 nm 452.5 nm 445 nm 455 nm c460ez900-s34000-2 c460ez900-0301-2 c460ez900-0302-2 c460ez900-0303-2 c460ez900-0304-2 dominant wavelength radiant flux 340 mw 457.5 nm 460 nm 462.5 nm 455 nm 465 nm c470ez900-s34000-2 c470ez900-0313-2 c470ez900-0314-2 c470ez900-0315-2 c470ez900-0316-2 c470ez900-0309-2 c470ez900-0310-2 c470ez900-0311-2 c470ez900-0312-2 c470ez900-0305-2 c470ez900-0306-2 c470ez900-0307-2 c470ez900-0308-2 c470ez900-0301-2 c470ez900-0302-2 c470ez900-0303-2 c470ez900-0304-2 dominant wavelength radiant flux 420 mw 400 mw 380 mw 340 mw 467.5 nm 470 nm 472.5 nm 465 nm 475 nm copyright ? 2008-2011 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree and the cree logo are registered trademarks, and ezbright. ez900 and ez are trademarks of cree, inc. cpr3dx rev. b cree, inc. 4600 silicon drive durham, nc 27703 usa tel: +1.919.313.5300 fax: +1.919.313.5778 www.cree.com
5 characteristic curves, t a = 25c this is a representative measurement for the ez900 led product. actual curves will vary slightly for the various radiant fux and dominant wavelength bins. 0 1 2 3 4 5 6 25 50 75 100 125 150 dominant wavelength shift (nm) junction temperature ( c) dominant wavelength shift vs junction temperature - 0.350 - 0.300 - 0.250 - 0.200 - 0.150 - 0.100 - 0.050 0.000 25 50 75 100 125 150 voltage shift (v) junction temperature ( c) voltage shift vs junction temperature 0 1 2 3 4 5 6 25 50 75 100 125 150 dominant wavelength shift (nm) junction temperature ( c) dominant wavelength shift vs junction temperature - 0.350 - 0.300 - 0.250 - 0.200 - 0.150 - 0.100 - 0.050 0.000 25 50 75 100 125 150 voltage shift (v) junction temperature ( c) voltage shift vs junction temperature 0.6 0.65 0.7 0.75 0.8 0.85 0.9 0.95 1 25 50 75 100 125 150 relative light intensity (%) junction temperature ( c) relative light intensity vs junction temperature relative intensity vs. forward current 0 0.5 1 1.5 2 2.5 3 0 250 500 750 1000 1250 if (ma) relative intensity forward current vs. forward voltage 0 250 500 750 1000 1250 0 1 2 3 4 5 vf (v) if (ma) relative intensity vs. forward current 0 0.5 1 1.5 2 2.5 3 0 250 500 750 1000 1250 if (ma) relative intensity forward current vs. forward voltage 0 250 500 750 1000 1250 0 1 2 3 4 5 vf (v) if (ma) dominant wavelength vs. forward current -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 0 250 500 750 1000 1250 if (ma) dw shift (nm) copyright ? 2008-2011 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree and the cree logo are registered trademarks, and ezbright. ez900 and ez are trademarks of cree, inc. cpr3dx rev. b cree, inc. 4600 silicon drive durham, nc 27703 usa tel: +1.919.313.5300 fax: +1.919.313.5778 www.cree.com
6 radiation pattern this is a representative radiation pattern for the ezbright power chip led product. actual patterns will vary slightly for each chip. copyright ? 2008-2011 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree and the cree logo are registered trademarks, and ezbright. ez900 and ez are trademarks of cree, inc. cpr3dx rev. b cree, inc. 4600 silicon drive durham, nc 27703 usa tel: +1.919.313.5300 fax: +1.919.313.5778 www.cree.com
|
