led light source by HPWL-MDB1 hpwl-mda1 hpwl-mlb1 hpwl-mla1 features high flux output (170 lumen at t b = 50 c) well defined spatial radiation pattern: batwing colors: amber and red high operating temperature: 105 c board temperature superior moisture resistance benefits highest luminous flux per surface area for any led source radiation pattern provides uniform luminance across entry plane of secondary optics colors meet traffic signaling requirements suitable for application in an outdoor signaling device applications traffic signals flashers and warning lights barricade lighting automotive exterior lighting general illumination railroad signaling equipment description the led light source is based on clustered high flux alingap leds in a series/parallel circuit, assembled onto a metal core printed circuit board (mcpcb). the reliable connections provide mechanical sturdiness and good electrical and thermal conductivity. this component is designed and manufactured by lumileds lighting, and sold and supported by hewlett-packard. designers who are seeking a reliable solid state light source offering a very high luminous output will experience reduced design time and enhanced reliability by this preassembled led array. while the led light source is optimized for use in traffic signals, its small size and versatility make it a good choice for many applications. new generation hewlett-packard high flux led lamps found in the led light source capitalize device selection guide part number color dominant wavelength, l d (nm) typ. total flux (lm) typ. at t b = 25 c HPWL-MDB1 red 629 230 hpwl-mda1 155 hpwl-mlb1 amber 590 [2] 230 hpwl-mla1 155 notes: 1. ntc: siemens matsushita components type c620/10k/j. connector: amp ct 173977-4. 2. projected value. tested typical value to be announced at a later time. on new packaging technology and large led chip sizes. these lamps offer greater efficiency and reliability at high current than traditional leds. built with the same aluminum indium gallium phosphide (alingap) led technology as hewlett-packards precision optical performance lamps, these products deliver a luminous efficiency of approximately 18 lumen per watt. superior temperature and moisture resistance result from an advanced led package design. the led light source has a ntc (negative temperature coefficient) or thermister to monitor the board temperature. [1] technical data
2 package dimensions absolute maximum ratings at t b = 105 c [1] dc forward current .................................................................. 1155 ma peak pulsed forward current .................................................... 1155 ma average forward current .......................................................... 750 ma reverse voltage (i r = 100 m a) .................................................. 30 v led junction temperature ........................................................ 120oc metal core printed circuit board temperature ......................... 105oc operating temperature ............................................................. - 40oc to + 105oc storage temperature ................................................................. - 40oc to +120oc note: 1. t b is the temperature of the metal core printed circuit board (mcpcb). this temperature value can be measured on either side of the board. ? ntc
type: c620/10k/j
(10 k w @ 25?) circuit diagram 1.6 mm 61.5 mm 65.5 mm 6.4 mm 7.4 mm ntc + leds ?leds l umil eds 25-0032
3 electrical characteristics at t b = 50 c [1], [2] (unless otherwise noted) parameter symbol min. typ. max. units test conditions forward voltage v f 11 14.6 17 v i f = 750 ma reverse voltage [3] v r 30 - - v i r = 100 m a speed of response t s 20 ns exponential time constant, e -t/ t s capacitance c 175 pf v f = 100 mv, f=1 mhz temperature coefficient of forward voltage dv f /dt j mv/ c i f = 5 ma amber -13.2 [4] 25 c t j 70 c red -10.8 thermal resistance, r q j-b 0.9 c/w measured to back side junction to board of mcpcb dynamic resistance r d 2 5 9 ohms optical characteristics at t b = 50 c [1], [2] (unless otherwise noted) parameter symbol min. typ. max. units test conditions dominant wavelength amber l d 590 [4] nm i f = 750 ma red 629 spectral halfwidth dl 1 / 2 19 nm i f = 750 ma wavelength width at spectral distribution 1 / 2 power point luminous flux [5] t b = 50 c (t b = 25 c) HPWL-MDB1 135 (175) 170 (230) 210 (275) hpwl-mlb1 110 (175) 145 (230) 175 (275) hpwl-mda1 90 (120) 120 (155) 145 (185) hpwl-mla1 75 (120) 100 (155) 120 (185) luminous efficacy emitted luminous amber h v 500 lm/w power/emitted radiant red 155 power characteristic temperature [6] t 0 c 25 c t j 70 c amber 65 [4] red 95 notes: 1. t b is the temperature of the metal core printed circuit board (mcpcb). this temperature value can be measured on either side of the board. 2. board temperature of 50 c is equivalent to an ambient temperature of 25 c, with a power dissipation of 11.25 w (750 ma) and a thermal resistance of 2.2 c/w from board to ambient. 3. always protect device against reverse voltage. 4. projected value. tested typical value to be announced at a later time. 5. in the united states, HPWL-MDB1 is targeted for a 12 inch traffic signal and hpwl-mda1 is for an 8 inch traffic signal. 6. characteristic temperature predicts light output at led junction temperatures other than 25 c with constant current through the equation: lop ( t j ) @ lop ( 25 c ) exp C ( t j C 25 c) t 0 lm
4 i f ?forward current ?ma 0 -200 v f ?forward voltage ?v 600 200 1200 515 10 0 400 1000 800 20 figure 2. forward current vs. forward voltage. relative luminous flux
(n0rmalized at t b = 50?, i f = 750 ma) 0 0 % i f ?forward current (ma) 140 % 100 % 200 % 200 400 40 % 800 1000 t b = 25? 600 20 % 80 % 120 % 180 % t b = 50? t b = 75? 160 % 60 % 1200 figure 3. relative luminous flux vs. forward current for red. hpml-mdx1 [1] relative luminous flux
(n0rmalized at t b = 50?, i f = 750 ma) 0 0 i f ?forward current (ma) 1.4 1.0 2 200 400 0.4 800 1000 r th , j_a = 1?/w 600 0.2 0.8 1.2 1.8 r th , j_a = 3?/w r th , j_a = 5?/w 1.6 0.6 1200 figure 4. relative luminous flux vs. forward current for red. hpwl-mdx1 figure 5. maximum forward current vs. ambient temperature. derating based on t jmax = 120 o c. i f ?maximum forward current (ma) 0 0 t a ?ambient temperature (?) 800 400 1400 20 40 80 100 r th , j_a = 1?/w 60 200 600 1200 r th , j_a = 3?/w r th , j_a = 5?/w 1000 120 figure 1. relative intensity vs. wavelength. wavelength ?nm relative intensity 550 600 650 700 1.0 0.5 0 amber red note: 1. relative luminous flux vs. forward current curve for amber to be determined.
5 figure 6. representative spatial radiation pattern. figure 7. relative total flux vs. angular displacement. -100 100 0 100 60 0 relative luminous intensity angular displacement ?degrees -80 0.40 0.60 0.80 0.20 -60 -40 -20 20 40 80 0.10 0.30 0.50 0.70 0.90 0 100 0 100 80 60 relative total flux ?% angular displacement ?degrees 20 40 60 80 20 40 10 30 50 70 90
www.hp.com/go/led for technical assistance or the location of your nearest hewlett-packard sales office, distributor or representative call: americas/canada: 1-800-235-0312 or 408-654-8675 far east/australasia: call your local hp sales office. japan: (81 3) 3335-8152 europe: call your local hp sales office. data subject to change. copyright ? 1999 hewlett-packard co. 5968-2481e (5/99)
|
