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1 application brief ab203b replaces an 1149 3 b superflux & snapled emitter forward voltage data table of contents production forward voltage data overview 2 examples of linear and diode model parameter calculations 3 forward voltage data tables 6
2 production forward voltage data overview superflux and snapled emitters are categorized for luminous flux, color, and forward voltage in order to impr ove matching within an led array. the use of led emitters from a single forward voltage category allows led emitters to be connected in parallel to simplify external drive circuitry. for complete details on the lumileds lighting superflux led emitter category ranges, please see ab207. the data shown below represents production forward voltage test data taken at five forward currents for the superflux emitters30 a, 1 ma, 8 ma, 32 ma, and 70 ma for emitters built from 8/01 to 12/01 and futu re data is subject to change. for the snapled150 emitters, production forward voltage test data is taken at six forward currents30 a, 1 ma, 8 ma, 32 ma, 70 ma, and 150 ma for emitters built from 8/01 to 10/01 and future data is subject to change. while this data was only taken on superflux and snapled150 emitters, the superflux data would also apply for snapled 70 emitters. for each superflux and snapled150 product type, the data for these units were sorted into the different forward voltage categories using the non guardbanded pr oduction test limits. then, the statistics (i.e. mean, standard deviation, minimum and maximum) were compiled for each forward voltage category. note that the data repr esents production data for about 60,000 to 130,000 units and 10 to 25 production lots per part number. the data was chosen such that each lot represents a different alingap wafer. in some cases, the forward voltage categories were so lightly populate d that an insufficient number of data points were measured in order to generate statistical data. these forward voltage categories have been identified as insufficient data in the tables. a wide variety of forward current models can be generated using the forward voltage data shown. linear forward voltage models can be generated using two ad jacent test currents (i.e. 70 and 150 ma, 32 ma and 70 ma, or 8 ma and 32 ma) using the equations shown in ab203. diode equation forward voltage models (as described in ab203a) can be generated using three ad jacent test currents (i.e. 32, 70 ma, and 150 ma; 8 ma, 32 ma, and 70 ma; or 1 ma, 8 ma, 32 ma) using the equations shown in ab203a. nominal forward voltage models would be generated using the mean or 50%tile values of forward voltage at the desired test currents. worstcase circuit analyses can be generated with two forward voltage models that simulate the lowest forward voltage and the highest forward voltage at any forward current. for example the minimum forward voltage can be estimated using the 0.1% tile or the 1%tile forward voltage values and the maximum forward voltage can be estimated using the 99.9%tile or the 99%tile forward voltage values. note that the number of units corresponding to a normal distribution +/ 3 standard deviations (i.e. 99.74% of the total population) corresponds roughly to the number of units in the range from 0.1%tile to 99.9% tile (i.e. 99.8% of the total population).
3 for monte carlo simulations, individual test unit data is available from lumileds lighting. this data consists of the actual forward voltages of the test units used to generate the statistical data shown below. thus, each datalogged unit has five or six values of forward voltage at the different test currents [30 a, 1 ma, 8 ma, 32 ma, 70 ma, and 150 ma (snapled150 only)]. linear or diode equation forward voltage models can be constructe d for each unit. then the monte carlo simulation would randomly select combinations of units for each test simulation. examples of linear and diode model parameter calculations given the forward voltage data in table 1, what are the nominal and worstcase linear forward voltage models? what are the nominal and worstcase diode equation forward voltage models? test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6672 1.8773 2.0594 2.3321 2.6707 0.1%-tile 1.5178 1.7606 1.9245 2.2222 2.6103 99.9%-tile 1.8856 2.0689 2.2331 2.4524 2.7296 the equations for the linear forward voltage model given in equations #1 and #2: equation #1 equation #2 for the nominal linear forward voltage model, the reader can either use the mean or the 50%tile forward voltage data. the calculations for the nominal linear forward voltage models over the 8 to 32 ma and 32 to 70 ma ranges are shown below: table 1 forward voltage data from mpwt-xh00 v oltage category 4 table. ()()()() ()() 9685 . 1 008 . 0 032 . 0 008 . 0 3321 . 2 032 . 0 0594 . 2 ) 32 / 8 ( = ? ? = nom o v ()() ()() 3625 . 11 008 . 0 032 . 0 0594 . 2 3321 . 2 ) 32 / 8 ( = ? ? = nom s r () () 1 f 2 f 1 f 2 f 2 f 1 f o i i i v i v v ? ? = () () 1 f 2 f 1 f 2 f s i i v v r ? ? =
4 for the worstcase linear forward voltage models, the reader can either use either the 0.1%tile, 1%tile forward voltage data for the minimum forward voltage, either the 99.9%tile or 99%tile forward voltage data for the maximum forward voltage. the equations for the diode equation forward voltage model are given in equations #3, #4, and #5: equation #3 equation #4 ()()()() ()( ) 0470 . 2 032 . 0 07 . 0 032 . 0 6707 . 2 07 . 0 3321 . 2 ) 70 / 32 ( = ? ? = nom o v ()() ()( ) 9105 . 8 032 . 0 07 . 0 3321 . 2 6707 . 2 ) 70 / 32 ( = ? ? = nom s r ()()()() ()( ) 8954 . 1 032 . 0 07 . 0 032 . 0 6103 . 2 07 . 0 2222 . 2 ) 70 / 32 ( = ? ? = min o v ()() ()( ) 2132 . 10 032 . 0 07 . 0 2222 . 2 6103 . 2 ) 70 / 32 ( = ? ? = min s r ()()()() ()( ) 2190 . 2 032 . 0 07 . 0 032 . 0 7296 . 2 07 . 0 4524 . 2 ) 70 / 32 ( = ? ? = max o v ()() ()( ) 2947 . 7 032 . 0 07 . 0 4524 . 2 7296 . 2 ) 70 / 32 ( = ? ? = max s r ()()( ) ? ? ? ? ? ? ? ? ? ? ? ? ? ? + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? + ? ? ? = 2 f 3 f 1 f 1 f 3 f 2 f 1 f 2 f 3 f 2 f 3 f 1 f 1 f 3 f 2 f 1 f 2 f 3 f i i i i i i i i i q kt v v i v v i v v i n ln ln ln ? ? ? ? ? ? ? ? + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? = 2 f 3 f 1 f 1 f 3 f 2 f 1 f 2 f 3 f 2 f 3 f 1 f 1 f 3 f 2 f 1 f 2 f 3 f s i i i i i i i i i i i v i i v i i v r ln ln ln ln ln ln
5 equation #5 the calculations for the nominal diode equation forward voltage model over the 30 a to 8 ma range are shown below: 3414 . 2 ) 8 / 30 ( = nom n ()( )()( )( )( ) ()() () () ? ? ? ? ? ? ? ? ? ? ? ? + ? ? ? ? ? ? ? ? ? ? ? ? ? ? + ? ? ? = 001 . 0 008 . 0 ln 00003 . 0 00003 . 0 008 . 0 ln 001 . 0 00003 . 0 001 . 0 ln 008 . 0 02569 . 0 8773 . 1 0594 . 2 00003 . 0 6672 . 1 0594 . 2 001 . 0 6672 . 1 8773 . 1 008 . 0 ) 8 / 30 ( nom n () () () () () () ? ? ? ? ? ? + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? + ? ? ? ? ? ? ? ? ? ? ? ? ? = 001 . 0 008 . 0 ln 00003 . 0 00003 . 0 008 . 0 ln 001 . 0 00003 . 0 001 . 0 ln 008 . 0 001 . 0 008 . 0 ln 6672 . 1 00003 . 0 008 . 0 ln 8773 . 1 00003 . 0 001 . 0 ln 0594 . 2 ) 8 / 30 ( nom s r 9509 . 8 ) 8 / 30 ( = nom s r () ()()( ) ()() ? ? ? ? ? ? ? = 3414 . 2 02569 . 0 00003 . 0 9509 . 8 6672 . 1 exp 00003 . 0 ) 8 / 30 ( nom o i 17 766 . 2 ) 8 / 30 ( ? = e i nom o ? ? ? ? ? ? ? ? ? ? ? ? ? = n q kt i r v i i 1 f s 1 f 1 f o ' exp
6 forward voltage data tables hpwa-xh00- 115,887 units from 25 lots built from 8/17/01 to 11/13/01 insufficient data for forward voltage category y. forward voltage category z C 56,070 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6324 1.7532 1.8403 1.9599 2.0965 std dev 0.0130 0.0115 0.0105 0.0113 0.0185 min 1.4547 1.6276 1.7471 1.8864 2.0278 0.1%-tile 1.5592 1.7163 1.8068 1.9258 2.0418 1%-tile 1.6077 1.7272 1.8236 1.9317 2.0565 50%-tile 1.6338 1.7539 1.8431 1.9605 2.0986 99%-tile 1.6572 1.7713 1.8585 1.9823 2.1286 99.9%-tile 1.6572 1.7720 1.8594 1.9857 2.1299 max 1.6763 1.7913 1.8713 1.9901 2.1299 forward voltage category o C 52,527 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6339 1.7612 1.8598 2.0071 2.1832 std dev 0.0146 0.0095 0.0112 0.0188 0.0306 min 1.4818 1.6582 1.8045 1.9599 2.1300 0.1%-tile 1.5931 1.7277 1.8267 1.9665 2.1306 1%-tile 1.5987 1.7427 1.8402 1.9748 2.1319 50%-tile 1.6373 1.7605 1.8585 2.0070 2.1793 99%-tile 1.6570 1.7870 1.8971 2.0569 2.2471 99.9%-tile 1.6863 1.8144 1.9182 2.0838 2.2494 max 1.6963 1.8231 1.9332 2.0982 2.2500 forward voltage category 1 C 6,126 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6445 1.7718 1.8877 2.0752 2.3003 std dev 0.0173 0.0236 0.0298 0.0271 0.0364 min 1.5381 1.6857 1.8271 2.0211 2.2500 0.1%-tile 1.5587 1.7020 1.8352 2.0236 2.2501 1%-tile 1.6050 1.7426 1.8539 2.0286 2.2506 50%-tile 1.6423 1.7687 1.8777 2.0729 2.2980 99%-tile 1.6988 1.8469 2.0176 2.1869 2.3668 99.9%-tile 1.7038 1.8694 2.0519 2.2194 2.3687 max 1.7344 1.8869 2.0869 2.2469 2.3700
7 forward voltage category 2 C 971 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6365 1.7580 1.8812 2.1121 2.4183 std dev 0.0055 0.0075 0.0104 0.0232 0.0341 min 1.6156 1.7471 1.8664 2.0803 2.3701 1%-tile 1.6218 1.7507 1.8677 2.0841 2.3718 50%-tile 1.6356 1.7563 1.8789 2.1085 2.4143 99%-tile 1.6548 1.7805 1.9051 2.1755 2.4869 max 1.7013 1.8631 1.9763 2.1798 2.4894 forward voltage category 3 C 193 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6341 1.7584 1.9006 2.1777 2.5275 std dev 0.0054 0.0055 0.0161 0.0332 0.0270 min 1.6152 1.7476 1.8858 2.1360 2.4907 1%-tile 1.6187 1.7495 1.8864 2.1360 2.4919 50%-tile 1.6350 1.7576 1.8914 2.1666 2.5226 99%-tile 1.6529 1.7855 1.9685 2.2838 2.5995 max 1.6548 1.7961 1.9928 2.2869 2.6029
8 forward voltage data tables hpwt-xd00- 131,656 units from 25 lots built from 11/6/01 to 12/13/01 forward voltage category 1 C 695 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6137 1.7423 1.8692 2.0856 2.3561 std dev 0.0100 0.0101 0.0141 0.0169 0.0167 min 1.5746 1.7027 1.8297 2.0289 2.2805 1%-tile 1.5830 1.7127 1.8347 2.0364 2.2904 50%-tile 1.6170 1.7426 1.8739 2.0912 2.3640 99%-tile 1.6263 1.7539 1.8989 2.1149 2.3695 max 1.6352 1.7588 1.8995 2.1167 2.3699 forward voltage category 2 C 25,493 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6182 1.7615 1.9147 2.1504 2.4328 std dev 0.0078 0.0121 0.0202 0.0224 0.0299 min 1.5341 1.6846 1.8421 2.0797 2.3701 0.1%-tile 1.5720 1.7301 1.8597 2.0835 2.3713 1%-tile 1.5983 1.7388 1.8742 2.0984 2.3740 50%-tile 1.6190 1.7597 1.9156 2.1512 2.4304 99%-tile 1.6358 1.7997 1.9667 2.2000 2.4884 99.9%-tile 1.6377 1.8148 1.9941 2.2207 2.4898 max 1.6402 1.8528 2.0190 2.2381 2.4900 forward voltage category 3 C 25,820 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6244 1.7874 1.9608 2.2281 2.5567 std dev 0.0209 0.0393 0.0401 0.0309 0.0359 min 1.4502 1.6976 1.8607 2.1359 2.4900 0.1%-tile 1.5625 1.7258 1.8790 2.1565 2.4903 1%-tile 1.5932 1.7338 1.8864 2.1696 2.4910 50%-tile 1.6196 1.7774 1.9564 2.2265 2.5604 99%-tile 1.6963 1.9002 2.0594 2.3026 2.6093 99.9%-tile 1.7218 1.9275 2.0792 2.3228 2.6100 max 1.7758 1.9559 2.1037 2.3693 2.6100
9 forward voltage category 4 C 50,516 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6389 1.8273 2.0161 2.3061 2.6655 std dev 0.0365 0.0698 0.0664 0.0471 0.0320 min 1.4648 1.6914 1.8840 2.2096 2.6101 0.1%-tile 1.5413 1.7275 1.9063 2.2190 2.6103 1%-tile 1.5918 1.7390 1.9213 2.2290 2.6115 50%-tile 1.6260 1.8006 1.9991 2.2974 2.6627 99%-tile 1.7646 2.0000 2.1801 2.4190 2.7286 99.9%-tile 1.8092 2.0189 2.1990 2.4377 2.7298 max 1.8486 2.0648 2.2240 2.5137 2.7300 forward voltage category 5 C 24,006 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6850 1.8935 2.0874 2.3957 2.7829 std dev 0.0837 0.1047 0.0865 0.0498 0.0332 min 1.4549 1.6976 1.9090 2.2789 2.7301 0.1%-tile 1.5313 1.7409 1.9359 2.2922 2.7303 1%-tile 1.6013 1.7534 1.9513 2.3083 2.7313 50%-tile 1.6369 1.8559 2.0603 2.3822 2.7796 99%-tile 1.8941 2.1248 2.2794 2.5263 2.8473 99.9%-tile 1.9472 2.1548 2.3032 2.5582 2.8498 max 1.9772 2.1773 2.3274 2.5670 2.8500 forward voltage category 6 C 4,423 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6694 1.8802 2.0960 2.4499 2.8902 std dev 0.0866 0.1193 0.1085 0.0665 0.0322 min 1.4807 1.7191 1.9430 2.3395 2.8501 0.1%-tile 1.5033 1.7409 1.9480 2.3483 2.8504 1%-tile 1.5776 1.7463 1.9613 2.3545 2.8510 50%-tile 1.6209 1.8209 2.0557 2.4277 2.8813 99%-tile 1.9269 2.1573 2.3244 2.5857 2.9680 99.9%-tile 1.9669 2.1948 2.3546 2.6113 2.9699 max 1.9972 2.2274 2.3621 2.6247 2.9700 forward voltage category 7 C 703 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6502 1.8570 2.0961 2.5076 3.0120 std dev 0.0758 0.1057 0.1001 0.0644 0.0280 min 1.4657 1.7394 1.9763 2.4258 2.9706 1%-tile 1.5032 1.7513 1.9813 2.4289 2.9718 50%-tile 1.6126 1.7986 2.0493 2.4841 3.0080 99%-tile 1.9216 2.1682 2.3567 2.6607 3.0855 max 1.9493 2.2057 2.4257 2.7263 3.0900
10 forward voltage data tables hpwt-xh00- 113,050 units from 25 lots built from 8/80/01 to 11/4/01 forward voltage category 1 C 1,483 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6192 1.7704 1.9027 2.1037 2.3435 std dev 0.0094 0.0103 0.0159 0.0177 0.0185 min 1.5161 1.7081 1.8607 2.0463 2.2763 1%-tile 1.5774 1.7413 1.8663 2.0569 2.2913 50%-tile 1.6199 1.7712 1.9050 2.1063 2.3464 99%-tile 1.6311 1.7868 1.9300 2.1313 2.3695 max 1.6311 1.7956 1.9362 2.1357 2.3698 forward voltage category 2 C 7,386 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6270 1.7769 1.9216 2.1538 2.4385 std dev 0.0137 0.0142 0.0209 0.0219 0.0373 min 1.4648 1.6720 1.8546 2.0796 2.3701 0.1%-tile 1.4782 1.6870 1.8627 2.0897 2.3701 1%-tile 1.5745 1.7443 1.8796 2.1078 2.3711 50%-tile 1.6268 1.7771 1.9240 2.1519 2.4449 99%-tile 1.6514 1.8218 1.9797 2.2083 2.4899 99.9%-tile 1.6711 1.8689 2.0063 2.2175 2.4899 max 1.7262 1.8989 2.0315 2.2374 2.4899 forward voltage category 3 C 34,666 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6397 1.8082 1.9742 2.2363 2.5595 std dev 0.0257 0.0368 0.0421 0.0346 0.0311 min 1.4572 1.6854 1.8796 2.1484 2.4901 0.1%-tile 1.5174 1.7378 1.8917 2.1522 2.4902 1%-tile 1.5689 1.7590 1.8987 2.1601 2.4922 50%-tile 1.6381 1.7975 1.9727 2.2372 2.5621 99%-tile 1.7212 1.9156 2.0690 2.3134 2.6086 99.9%-tile 1.7525 1.9388 2.0955 2.3278 2.6100 max 1.7863 1.9853 2.1453 2.3570 2.6100
11 forward voltage category 4 C 47,121 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6672 1.8773 2.0594 2.3321 2.6707 std dev 0.0572 0.0776 0.0689 0.0465 0.0328 min 1.4522 1.6945 1.9043 2.2085 2.6100 0.1%-tile 1.5178 1.7606 1.9245 2.2222 2.6103 1%-tile 1.5689 1.7727 1.9350 2.2358 2.6123 50%-tile 1.6481 1.8576 2.0538 2.3328 2.6706 99%-tile 1.8544 2.0432 2.2109 2.4388 2.7276 99.9%-tile 1.8856 2.0689 2.2331 2.4524 2.7296 max 1.9463 2.1181 2.2549 2.4672 2.7299 forward voltage category 5 C 18,519 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.7368 1.9612 2.1412 2.4206 2.7755 std dev 0.1026 0.0934 0.0700 0.0445 0.0317 min 1.4551 1.7343 1.9503 2.3010 2.7300 0.1%-tile 1.5242 1.7657 1.9623 2.3164 2.7301 1%-tile 1.5992 1.7812 1.9771 2.3328 2.7304 50%-tile 1.7057 1.9528 2.1359 2.4149 2.7724 99%-tile 1.9607 2.1423 2.2778 2.5160 2.8460 99.9%-tile 2.0308 2.1551 2.2978 2.5363 2.8490 max 2.0865 2.1876 2.3470 2.5736 2.8497 forward voltage category 6 C 3,329 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6889 1.9156 2.1152 2.4538 2.8853 std dev 0.0901 0.1146 0.1062 0.0597 0.0299 min 1.4611 1.7543 1.9681 2.3501 2.8501 0.1%-tile 1.4757 1.7698 1.9687 2.3507 2.8502 1%-tile 1.5649 1.7806 1.9712 2.3532 2.8504 50%-tile 1.6568 1.9363 2.1501 2.4702 2.8772 99%-tile 2.0164 2.1566 2.3117 2.5781 2.9653 99.9%-tile 2.0277 2.2016 2.3819 2.6209 2.9697 max 2.0427 2.2325 2.4068 2.6409 2.9697 forward voltage category 7 C 546 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6906 1.8909 2.1250 2.5280 3.0094 std dev 0.0969 0.1196 0.1038 0.0624 0.0295 min 1.5041 1.7841 2.0082 2.4371 2.9703 1%-tile 1.5335 1.7941 2.0188 2.4464 2.9709 50%-tile 1.6436 1.8212 2.0800 2.5120 3.0044 99%-tile 1.9719 2.2599 2.4472 2.7006 3.0875 max 1.9984 2.2885 2.4622 2.7131 3.0898
12 forward voltage data tables hpwt-xl00- 131,352 units from 25 lots built from 9/14/01 to 11/29/01 insufficient data for forward voltage category 1. forward voltage category 2 C 6,763 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.6933 1.8391 1.9788 2.1982 2.4734 std dev 0.0102 0.0101 0.0167 0.0150 0.0153 min 1.5982 1.7707 1.9270 2.1466 2.4007 0.1%-tile 1.6345 1.8042 1.9353 2.1493 2.4082 1%-tile 1.6716 1.8284 1.9502 2.1650 2.4232 50%-tile 1.6965 1.8327 1.9706 2.1945 2.4782 99%-tile 1.7207 1.8621 2.0190 2.2297 2.4888 99.9%-tile 1.7232 1.8840 2.0221 2.2440 2.4899 max 1.7232 1.8890 2.0419 2.2490 2.4899 forward voltage category 3 C 35,868 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.7079 1.8713 2.0273 2.2679 2.5670 std dev 0.0196 0.0402 0.0465 0.0364 0.0326 min 1.5400 1.7893 1.9465 2.1836 2.4901 0.1%-tile 1.6489 1.8183 1.9502 2.1891 2.4905 1%-tile 1.6767 1.8284 1.9553 2.1895 2.4950 50%-tile 1.7037 1.8570 2.0146 2.2662 2.5758 99%-tile 1.7771 1.9892 2.1418 2.3504 2.6086 99.9%-tile 1.8397 2.0192 2.1574 2.3576 2.6098 max 1.8613 2.0292 2.1675 2.3690 2.6100 forward voltage category 4 C 56,164 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.7212 1.9082 2.0734 2.3369 2.6751 std dev 0.0455 0.0743 0.0728 0.0485 0.0334 min 1.5312 1.7864 1.9553 2.2290 2.6102 0.1%-tile 1.6108 1.8254 1.9628 2.2340 2.6102 1%-tile 1.6716 1.8308 1.9715 2.2495 2.6118 50%-tile 1.7039 1.8708 2.0463 2.3285 2.6778 99%-tile 1.8782 2.0990 2.2429 2.4508 2.7286 99.9%-tile 1.9076 2.1118 2.2541 2.4618 2.7295 max 1.9589 2.1328 2.2711 2.4749 2.7300
13 forward voltage category 5 C 26,660 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.7265 1.9250 2.1046 2.3970 2.7760 std dev 0.0545 0.0855 0.0786 0.0487 0.0318 min 1.5375 1.7858 1.9752 2.3017 2.7300 0.1%-tile 1.6119 1.8290 1.9908 2.3105 2.7300 1%-tile 1.6716 1.8321 2.0146 2.3323 2.7313 50%-tile 1.7089 1.8859 2.0703 2.3817 2.7693 99%-tile 1.9107 2.1816 2.3317 2.5487 2.8459 99.9%-tile 1.9445 2.2067 2.3517 2.5662 2.8491 max 2.0047 2.2285 2.3711 2.5787 2.8500 forward voltage category 6 C 5,228 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.7619 2.0147 2.2061 2.5043 2.8864 std dev 0.0603 0.0914 0.0820 0.0490 0.0273 min 1.5522 1.8296 2.0119 2.3728 2.8501 0.1%-tile 1.5622 1.8310 2.0151 2.3840 2.8501 1%-tile 1.6716 1.8460 2.0403 2.3989 2.8506 50%-tile 1.7582 2.0269 2.2166 2.5145 2.8807 99%-tile 1.9323 2.1931 2.3633 2.6022 2.9654 99.9%-tile 1.9959 2.2517 2.4018 2.6322 2.9687 max 2.0516 2.2898 2.4318 2.6544 2.9700 forward voltage category 7 C 669 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a mean 1.7363 1.9705 2.1981 2.5709 3.0247 std dev 0.0853 0.1111 0.0922 0.0529 0.0352 min 1.5622 1.8359 2.0499 2.4479 2.9703 0.1%-tile 1.6513 1.8509 2.0698 2.4845 2.9707 50%-tile 1.7097 1.9458 2.1696 2.5623 3.0244 99%-tile 2.1003 2.3066 2.4483 2.7060 3.0888 max 2.1266 2.3329 2.4965 2.7555 3.0897
14 forward voltage data tables hpws-xh00- 131,858 units from 20 lots built from 9/6/01 to 9/25/01 forward voltage category 1 C 6 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a i f = 150 m a mean 1.5728 1.7269 1.8208 1.9446 2.0920 2.3623 forward voltage category 2 C 2,698 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a i f = 150 m a mean 1.6216 1.7426 1.8400 1.9780 2.1372 2.4259 std dev 0.0069 0.0052 0.0102 0.0152 0.0181 0.0229 min 1.5223 1.6725 1.7826 1.9225 2.0811 2.3707 0.1%-tile 1.5512 1.6979 1.8020 1.9328 2.0871 2.3717 1%-tile 1.6045 1.7307 1.8209 1.9475 2.1000 2.3775 50%-tile 1.6223 1.7420 1.8379 1.9754 2.1355 2.4256 99%-tile 1.6311 1.7580 1.8732 2.0219 2.1877 2.4842 99.9%-tile 1.6334 1.7666 1.8871 2.0350 2.1969 2.4891 max 1.6344 1.7752 1.8936 2.0398 2.2008 2.4898 forward voltage category 3 C 2,738 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a i f = 150 m a mean 1.6105 1.7525 1.8731 2.0443 2.2369 2.5836 std dev 0.0153 0.0221 0.0344 0.0389 0.0324 0.0250 min 1.4779 1.7191 1.8252 1.9730 2.1609 2.4900 0.1%-tile 1.5115 1.7213 1.8293 1.9818 2.1631 2.4904 1%-tile 1.5814 1.7287 1.8316 1.9879 2.1744 2.5014 50%-tile 1.6082 1.7492 1.8660 2.0367 2.2281 2.5926 99%-tile 1.6879 1.8777 2.0027 2.1543 2.3129 2.6098 99.9%-tile 1.7182 1.9031 2.0256 2.1701 2.3254 2.6100 max 1.7195 1.9049 2.0285 2.1721 2.3268 2.6100 forward voltage category 4 C 26,610 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a i f = 150 m a mean 1.6329 1.7976 1.9304 2.1083 2.3114 2.6815 std dev 0.0476 0.0737 0.0830 0.0719 0.0521 0.0319 min 1.4541 1.6598 1.7996 1.9902 2.2051 2.6102 0.1%-tile 1.5086 1.7193 1.8305 2.0025 2.2146 2.6104 1%-tile 1.5871 1.7352 1.8426 2.0115 2.2252 2.6135 50%-tile 1.6176 1.7604 1.8941 2.0840 2.2986 2.6857 99%-tile 1.8369 2.0299 2.1412 2.2764 2.4313 2.7291 99.9%-tile 1.8977 2.0527 2.1563 2.2873 2.4406 2.7299 max 1.9367 2.0740 2.1688 2.2965 2.4451 2.7299
15 forward voltage category 5 C 42,874 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a i f = 150 m a mean 1.6439 1.8115 1.9525 2.1463 2.3727 2.7924 std dev 0.0483 0.0621 0.0656 0.0565 0.0421 0.0362 min 1.4525 1.6500 1.8043 2.0154 2.2656 2.7301 0.1%-tile 1.5154 1.7266 1.8420 2.0326 2.2766 2.7301 1%-tile 1.5926 1.7357 1.8479 2.0420 2.2902 2.7316 50%-tile 1.6320 1.7959 1.9506 2.1473 2.3738 2.7936 99%-tile 1.8354 1.9908 2.1088 2.2719 2.4555 2.8492 99.9%-tile 1.8807 2.0504 2.1842 2.3441 2.5170 2.8500 max 1.9430 2.1199 2.2516 2.4043 2.5627 2.8500 forward voltage category 6 C 40,217 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a i f = 150 m a mean 1.7005 1.8883 2.0338 2.2329 2.4675 2.9032 std dev 0.0921 0.0956 0.0890 0.0749 0.0590 0.0370 min 1.4854 1.7066 1.8371 2.0486 2.3211 2.8502 0.1%-tile 1.5518 1.7314 1.8475 2.0553 2.3270 2.8502 1%-tile 1.5977 1.7393 1.8545 2.0619 2.3375 2.8508 50%-tile 1.6711 1.8830 2.0305 2.2268 2.4590 2.8963 99%-tile 1.9547 2.1047 2.2154 2.3809 2.5836 2.9689 99.9%-tile 1.9771 2.1201 2.2486 2.4029 2.5908 2.9699 max 2.0037 2.1957 2.3123 2.4621 2.6404 2.9699 forward voltage category 7 C 16,715 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a i f = 150 m a mean 1.8462 2.0363 2.1669 2.3536 2.5799 3.0018 std dev 0.0924 0.0649 0.0530 0.0408 0.0301 0.0265 min 1.4652 1.7178 1.8592 2.0834 2.3820 2.9701 0.1%-tile 1.5770 1.7473 1.8814 2.1273 2.4279 2.9701 1%-tile 1.6137 1.7830 1.9508 2.1980 2.4828 2.9705 50%-tile 1.8512 2.0375 2.1723 2.3557 2.5791 2.9943 99%-tile 2.0236 2.1467 2.2549 2.4322 2.6514 3.0822 99.9%-tile 2.0424 2.1697 2.2875 2.4637 2.6764 3.0891 max 2.0500 2.1926 2.3389 2.5262 2.7250 3.0898
16 forward voltage data tables hpws-xl00- 59,091 units from 10 lots built from 8/9/01 to 8/14/01 insufficient data for forward voltage categories 1 and 2. forward voltage category 3 C 422 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a i f = 150 m a mean 1.6793 1.8120 1.9211 2.0818 2.2638 2.5904 std dev 0.0111 0.0092 0.0211 0.0301 0.0282 0.0210 min 1.5885 1.7658 1.8762 2.0223 2.1910 2.5096 1%-tile 1.6264 1.7850 1.8803 2.0236 2.1975 2.5139 50%-tile 1.6803 1.8133 1.9188 2.0809 2.2666 2.5988 99%-tile 1.6975 1.8260 1.9631 2.1334 2.3064 2.6098 max 1.6986 1.8367 1.9789 2.1482 2.3156 2.6100 forward voltage category 4 C 10,665 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a i f = 150 m a mean 1.6828 1.8365 1.9761 2.1568 2.3485 2.6858 std dev 0.0128 0.0202 0.0306 0.0306 0.0295 0.0329 min 1.5369 1.7762 1.8826 2.0402 2.2369 2.6102 0.1%-tile 1.5762 1.7934 1.8908 2.0479 2.2490 2.6105 1%-tile 1.6609 2.8080 1.9184 2.0881 2.2814 2.6145 50%-tile 1.6812 1.8301 1.9715 2.1570 2.3527 2.6945 99%-tile 1.7068 1.9072 2.0516 2.2178 2.3996 2.7293 99.9%-tile 1.8270 1.9701 2.0770 2.2307 2.4061 2.7299 max 1.9006 2.0002 2.0947 2.2496 2.4191 2.7299 forward voltage category 5 C 23,768 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a i f = 150 m a mean 1.6887 1.8799 2.0400 2.2277 2.4281 2.7851 std dev 0.0222 0.0426 0.0433 0.0345 0.0295 0.0322 min 1.5313 1.7934 1.9023 2.0752 2.3020 2.7301 0.1%-tile 1.5975 1.8027 1.9125 2.1010 2.3363 2.7301 1%-tile 1.6625 1.8180 1.9531 2.1549 2.3684 2.7316 50%-tile 1.6842 1.8711 2.0393 2.2279 2.4262 2.7830 99%-tile 1.7762 1.9992 2.1357 2.3055 2.4973 2.8482 99.9%-tile 1.8666 2.0369 2.1570 2.3230 2.5117 2.8498 max 2.0441 2.0430 2.1729 2.3334 2.5180 2.8500
17 forward voltage category 6 C 18,828 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a i f = 150 m a mean 1.7004 1.8960 2.0676 2.2739 2.4982 2.9023 std dev 0.0598 0.0644 0.0537 0.0369 0.0277 0.0302 min 1.5535 1.7900 1.9141 2.1219 2.3828 2.8502 0.1%-tile 1.6221 1.8016 1.9346 2.1609 2.4146 2.8502 1%-tile 1.6309 1.8059 1.9529 2.1875 2.4350 2.8514 50%-tile 1.6795 1.8777 2.0664 2.2764 2.4998 2.9021 99%-tile 1.8660 2.0400 2.1674 2.3477 2.5535 2.9666 99.9%-tile 1.8980 2.0551 2.1937 2.3756 2.5771 2.9697 max 2.0256 2.1092 2.2465 2.4139 2.6076 2.9699 forward voltage category 7 C 5,408 units test condition i f = 30 a i f = 1 m a i f = 8 m a i f = 32 m a i f = 70 m a i f = 150 m a mean 1.7246 1.9544 2.1296 2.3505 2.5950 3.0324 std dev 0.0645 0.0932 0.0800 0.0573 0.0426 0.0347 min 1.5547 1.7959 1.9500 2.1984 2.4830 2.9701 0.1%-tile 1.6105 1.8141 1.9684 2.2127 2.4926 2.9701 1%-tile 1.6385 1.8264 1.9881 2.2410 2.5137 2.9711 50%-tile 1.7016 1.9391 2.1104 2.3301 2.5852 3.0389 99%-tile 1.8914 2.1168 2.2650 2.4527 2.6723 3.0877 99.9%-tile 2.0129 2.1461 2.2701 2.4627 2.6811 3.0896 max 2.0340 2.1508 2.2725 2.4645 2.6828 3.0898
18 company information lumileds is a worldclass supplier of li ght emitting diodes (leds) producing billions of leds annually. lumileds is a fully integrated supplier, producing core led material in all three base colors (red, green, blue) and white. lumileds has r&d deve lopment centers in san jose, california and best, the netherland s. production capabilities in san jose, california and malaysia. lumileds is pioneering the highflux led technology and bridging the gap between solid state led technology an d the lighting worl d. lumileds is absolutely dedicated to br inging the best and brig htest led technology to enable new applications and markets in the lighting world. lumileds www.luxeon.com www.lumileds.com for technical assistance or the location of your nearest lumileds sales office, call: worldwide: +1 408-435-6044 us toll free: 877-298-9455 europe: +31 499 339 439 a sia: +65 6248 4759 fax: 408-435-6855 email us at info@lumileds.com lumileds lighting, llc 370 west trimble road san jose, ca 95131 ? 2002 lumileds lighting. all rights reserved. lumileds lighting is a joint venture between agilent technologies and philips lighting. luxeon is a trademark of lumileds lighting, llc. pr oduct specifications are subject to change without notice. publication no. ab203b (sept2002)

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