p p r r e e l l i i m m i i n n a a r r y y microsemi 580 pleasant street, watertown, ma. 02472-2408, 617-926-0404, fax: 617-924-1235 page 1 copyright ? 2002 rev. 2., 2003-06-03 www. microsemi . com UPBLEDLPXX high brightness blue led p r oduct p review the UPBLEDLPXX blue led product series incorporates microsemi?s unique, low profile packaging concept. ideally suited for high density circuitry used in a variety of telecommunication lighting applications. the product offers robust packaging, and low forward voltage for high efficiency as well as modest junction temperature rise. important: for the most current data, consult microsemi ?s website: http://www.microsemi.com for operation of these leds in pulse mode applica tions, devices may be us ed in conjunction with the microsemi lx1992led drivers absolute maximum ratings at 25o c (unless otherwise specified) thermal characteristics (unless otherwise specified) thermal response symbol value units junction temperature rise at 20ma dc tj mx 15 c the first ?x? of the postscript designates the intensity bin , i.e. h highest, g lower, f lowest the second ?x? of the postscript designates the forward voltage category l, lowest, s, standard see pg. 2 for details. parameters symbol value unit dc forward drive current i f 30 ma peak forward current i fp 100 ma led operating junction temper ature tj -40 to +140 c reverse voltage v r 8 v power dissipation p d 125 mw operating temperature t opr -40 to +125 c storage temperature t s -45 to +140 c electrostatic discharge esd 1000 v esd classification class 1 solder reflow peak temperature (solder 10?) 225 c key features ? low profile (0.35mm;15mils) ? low vf available (<3.0v @5ma) ? wide viewing angle ? high brightness ? luminous efficiency ? rugged optomite package applications/benefits ? mobile phone keypad ? panel, button, switch indicators. ? backlighting ? signage ? signals and marker lights u u p p b b l l e e d d l l p p x x x x
p p r r e e l l i i m m i i n n a a r r y y microsemi 580 pleasant street, watertown, ma. 02472-2408, 617-926-0404, fax: 617-924-1235 page 2 copyright ? 2002 rev. 2., 2003-06-03 www. microsemi . com UPBLEDLPXX high brightness blue led p r oduct p review ? change in radiant intensity with temperature ?1.4w/sr/c (25c < temp< 85c) ? change in radiant intensity with temperature 0.7w/sr/c (25c < temp< -40c) electrical parameters @ 25 c & id=20 ma (unless otherwise specified) characteristic symbol test conditions min typ. max units radiant intensity i e ?f? dc drive current = 20ma ?g? dc drive current = 20ma ?h? dc drive current = 20ma 550 750 900 w/sr luminous intensity i v ?f? dc drive current = 20ma ?g? dc drive current = 20ma ?h? dc drive current = 20ma 35 45 55 mcd dominant wavelength dom dc drive current = 20ma 460 480 nm peak wavelength pk dc drive current = 20ma 465 nm chrom x chrom y ?f?, ?g?, ?h? dc drive current = 20ma 0.13 0.07 angle coverage to 50% points 1/2 dc drive current = 20ma to 50ma 125 135 deg. radiant flux e ?f? dc drive current = 20ma ?g? dc drive current = 20ma ?h? dc drive current = 20ma 1.25 1.75 2.0 mw luminous flux v ?f? dc drive current = 20ma ?g? dc drive current = 20ma ?h? dc drive current = 20ma 125 150 175 mlm forward voltage v f ?s? dc drive current 5ma ?l? dc drive current 5ma ?s? dc drive current 10ma ?l? dc drive current 10ma ?s? dc drive current 20ma ?l? dc drive current 20ma 3.4 2.95 3.5 3.0 3.7 3.15 3.5 3.05 3.7 3.125 3.9 3.25 v reverse leakage current i r reverse voltage = 5 v 10 a forward voltage v f 3.9 v u u p p b b l l e e d d l l p p x x x x
p p r r e e l l i i m m i i n n a a r r y y microsemi 580 pleasant street, watertown, ma. 02472-2408, 617-926-0404, fax: 617-924-1235 page 3 copyright ? 2002 rev. 2., 2003-06-03 www. microsemi . com UPBLEDLPXX high brightness blue led p r oduct p review notes: anode is identified by ob serving the underside of the led. (anode is the smaller of the two base pads) mount to circuit board using 60/40 pb/sn or equivalent. maximum solder melt exposure temperature is 225c for 10 seconds. tape and reel 3,000 units/reel notes: dimensions is shown in metric. UPBLEDLPXX
p p r r e e l l i i m m i i n n a a r r y y microsemi 580 pleasant street, watertown, ma. 02472-2408, 617-926-0404, fax: 617-924-1235 page 4 copyright ? 2002 rev. 2., 2003-06-03 www. microsemi . com UPBLEDLPXX high brightness blue led p r oduct p review mounting footprint, copper (note: si lver plating will enhance luminous intensity) junction temperature rise 5 10 15 20 25 30 35 40 45 50 0 10 20 30 40 dc drive current (ma) junction temperature rise (c) t t h h e e r r m m a a l l
p p r r e e l l i i m m i i n n a a r r y y microsemi 580 pleasant street, watertown, ma. 02472-2408, 617-926-0404, fax: 617-924-1235 page 5 copyright ? 2002 rev. 2., 2003-06-03 www. microsemi . com UPBLEDLPXX high brightness blue led p r oduct p review 2.75 3 3.25 3.5 3.75 4 4.25 0 20 40 60 forward voltage (v) dc drive current (ma) l s 0 25 50 75 100 125 150 0 20 40 60 luminous intensity (mcd) dc drive current (ma) f g h 0 1000 2000 0 20 40 60 radiant intensity (w/sr) dc drive current (ma) 0 0.1 0.2 0.3 0.4 0 20 40 60 luminous flux (lumens) dc drive current (ma) f g h f g h chrom y chrom x 0.06 0.08 0.1 0.12 0.14 0 10 20 30 40 50 chrom x and y dc drive current (ma)
p p r r e e l l i i m m i i n n a a r r y y microsemi 580 pleasant street, watertown, ma. 02472-2408, 617-926-0404, fax: 617-924-1235 page 6 copyright ? 2002 rev. 2., 2003-06-03 www. microsemi . com UPBLEDLPXX high brightness blue led p r oduct p review safe operation above the maximum dc rating : the power dissipation must be held at a level to maintain the junction below the maximum specified operating temperature. duty cycle control may be used to establish th e safe operating condition using a train of pulses. led junction temperature for dc operation is illustrated in the junction temperature rise graph (see page 5). conversion of 1931 x y coordinates to 1960 u v coordinates: u = 4x/(-2x + 12y + 3) , v = 6y/(-2x + 12y +3) conversion of 1960 u v coordinates to 1931 x y coordinates: x = 3u/(2u ? 8v +4), y = 2v/(2u ?8v +4). * UPBLEDLPXX spice model (typical) .model UPBLEDLPXX d(is=2.6f n=4. 02 rs=5.83 ikf=60.9k xti=5 eg =3 cjo=39p + m=5.17k vj=86k fc=.5 isr=1.0 4p nr=3.3 bv=14 ibv=10m + tt=36n ) u u p p b b l l e e d d l l p p x x x x a
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