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application brief AB20 3B
replaces AN1149 3B
SuperFlux & SnapLED Emitter Forward Voltage Data
Table of Contents
Production forward voltage data overview Examples of linear and diode model parameter calculations Forward voltage data tables 2 3 6
1
Production Forward Voltage Data Overview
SuperFlux and SnapLED emitters are categorized for luminous flux, color, and forward voltage in order to improve 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 AB20 7. The data shown below represents production forward voltage test data taken at five forward currents for the SuperFlux emitters--30A, 1 mA, 8 mA, 32 mA, and 70 mA for emitters built from 8/01 to 12/01 and future data is subject to change. For the SnapLed150 emitters, production forward voltage test data is taken at six forward currents--30A, 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 guard banded production test limits. Then, the statistics (i.e. mean, standard deviation, minimum and maximum) were compiled for each forward voltage category. Note that the data represents 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. Nominal forward voltage models would be generated using the "mean" or "50% tile" values of forward voltage at the desired test currents. "Worst case" 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). 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 adjacent test currents (i.e. 70 and 150 mA, 32 mA and 70 mA, or 8 mA and 32 mA) using the equations shown in AB20 3. Diode equation forward voltage models (as described in AB20 3A) can be generated using three adjacent 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 AB20 3A. In some cases, the forward voltage categories were so lightly populated 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.
2
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 data logged unit has five or six values of forward voltage at the different test currents [30A, 1 mA, 8 mA, 32 mA, 70 mA, and 150 mA (SnapLED150 only)].
Linear or diode equation forward voltage models can be constructed 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 worst case linear forward voltage models? What are the nominal and worst case diode equation forward voltage models?
Test Condition Mean 0.1%-tile 99.9%-tile IF = 30A 1.6672 1.5178 1.8856 IF = 1
mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
Table 1
Forward voltage data from MPWT-xH00 Voltage Category 4 table.
1.8773 1.7606 2.0689
2.0594 1.9245 2.2331
2.3321 2.2222 2.4524
2.6707 2.6103 2.7296
The equations for the linear forward voltage model given in Equations #1 and #2: Equation #1
VO
=
(VF 1 I F 2 (I F 2
- VF 2 I F 1 ) - I F1 )
Equation #2
RS
=
(VF 2 (I F 2
- VF 1 ) - I F1 )
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:
VO NOM (8 / 32) =
(2.0594)(0.032) (0.032) (2.3321) (0.032)
- (2.3321)(0.008) = 1.9685 - (0.008)
RS NOM (8 / 32) =
- (2.0594) = 11.3625 - (0.008)
3
VO NOM (32 / 70) =
(2.3321)(0.07 ) (0.07 )
- (2.6707 )(0.032) = 2.0470 - (0.032) = 8.9105
RS NOM (32 / 70) =
(2.6707 ) - (2.3321) (0.07 ) - (0.032)
For the "worst case" 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.
VO MIN (32 / 70) =
(2.2222)(0.07 ) (0.07 )
- (2.6103)(0.032 ) = 1.8954 - (0.032 )
RS MIN (32 / 70) =
(2.6103) - (2.2222) (0.07 ) - (0.032) (2.4524)(0.07 ) (0.07 )
= 10.2132
VO MAX (32 / 70) =
- (2.7296 )(0.032 ) = 2.2190 - (0.032)
= 7.2947
RS MAX (32 / 70) =
(2.7296) - (2.4524) (0.07 ) - (0.032)
The equations for the diode equation forward voltage model are given in Equations #3, #4, and #5: Equation #3
n=
I F 3 (VF 2 - VF 1 ) - I F 2 (VF 3 - VF 1 ) + I F 1 (VF 3 - V F 2 ) I F 3 I F3 IF2 kT I F 3 ln I - I F 2 ln I + I F 1 ln I q F 2 F1 F1
Equation #4
RS
I I I V F 3 ln F 2 - VF 2 ln F 3 + VF 1 ln F 3 I I I F1 F1 F2 = I I I I F 3 ln F 2 - I F 2 ln F 3 + I F 1 ln F 3 I I I F1 F1 F2
4
Equation #5
IO
=
I F1 V exp F 1 - R' S I F 1 kT n q
The calculations for the nominal diode equation forward voltage model over the 30A to 8 mA range are shown below:
n NOM (30 / 8) =
(0.008)(1.8773 - 1.6672)
- (0.001)(2.0594 - 1.6672 ) + (0.00003 )(2.0594 - 1.8773) (0.02569) (0.008)ln 0.001 - (0.001) ln 0.008 + (0.00003)ln 0.008 0.00003 0.001 0.00003
n NOM (30 / 8) = 2.3414
RS NOM (30 / 8) =
(2.0594) ln
0.001 0.008 0.008 - (1.8773) ln 0.00003 + (1.6672 ) ln 0.001 0.00003 (0.008) ln 0.001 - (0.001) ln 0.008 + (0.00003) ln 0.008 0.00003 0.00003 0.001
I O NOM (30 / 8) =
(0.00003) (1.6672 ) - (8.9509 )(0.00003) exp (0.02569)(2.3414)
RS NOM (30 / 8) = 8.9509
I O NOM (30 / 8) = 2.766 e - 17
5
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 - 56,070 units
Test Condition Mean Std dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile max IF = 30A 1.6324 0.0130 1.4547 1.5592 1.6077 1.6338 1.6572 1.6572 1.6763 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.7532 0.0115 1.6276 1.7163 1.7272 1.7539 1.7713 1.7720 1.7913
1.8403 0.0105 1.7471 1.8068 1.8236 1.8431 1.8585 1.8594 1.8713
1.9599 0.0113 1.8864 1.9258 1.9317 1.9605 1.9823 1.9857 1.9901
2.0965 0.0185 2.0278 2.0418 2.0565 2.0986 2.1286 2.1299 2.1299
Forward Voltage Category O - 52,527 units
Test Condition Mean Std dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile max IF = 30A 1.6339 0.0146 1.4818 1.5931 1.5987 1.6373 1.6570 1.6863 1.6963 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.7612 0.0095 1.6582 1.7277 1.7427 1.7605 1.7870 1.8144 1.8231
1.8598 0.0112 1.8045 1.8267 1.8402 1.8585 1.8971 1.9182 1.9332
2.0071 0.0188 1.9599 1.9665 1.9748 2.0070 2.0569 2.0838 2.0982
2.1832 0.0306 2.1300 2.1306 2.1319 2.1793 2.2471 2.2494 2.2500
Forward Voltage Category 1 - 6,126 units
Test Condition Mean Std dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile max IF = 30A 1.6445 0.0173 1.5381 1.5587 1.6050 1.6423 1.6988 1.7038 1.7344 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.7718 0.0236 1.6857 1.7020 1.7426 1.7687 1.8469 1.8694 1.8869
1.8877 0.0298 1.8271 1.8352 1.8539 1.8777 2.0176 2.0519 2.0869
2.0752 0.0271 2.0211 2.0236 2.0286 2.0729 2.1869 2.2194 2.2469
2.3003 0.0364 2.2500 2.2501 2.2506 2.2980 2.3668 2.3687 2.3700
6
Forward Voltage Category 2 - 971 units
Test Condition Mean Std dev Min 1%-tile 50%-tile 99%-tile max IF = 30A 1.6365 0.0055 1.6156 1.6218 1.6356 1.6548 1.7013 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.7580 0.0075 1.7471 1.7507 1.7563 1.7805 1.8631
1.8812 0.0104 1.8664 1.8677 1.8789 1.9051 1.9763
2.1121 0.0232 2.0803 2.0841 2.1085 2.1755 2.1798
2.4183 0.0341 2.3701 2.3718 2.4143 2.4869 2.4894
Forward Voltage Category 3 - 193 units
Test Condition Mean Std dev Min 1%-tile 50%-tile 99%-tile max IF = 30A 1.6341 0.0054 1.6152 1.6187 1.6350 1.6529 1.6548 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.7584 0.0055 1.7476 1.7495 1.7576 1.7855 1.7961
1.9006 0.0161 1.8858 1.8864 1.8914 1.9685 1.9928
2.1777 0.0332 2.1360 2.1360 2.1666 2.2838 2.2869
2.5275 0.0270 2.4907 2.4919 2.5226 2.5995 2.6029
7
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 - 695 units
Test Condition Mean Std dev Min 1%-tile 50%-tile 99%-tile max IF = 30A 1.6137 0.0100 1.5746 1.5830 1.6170 1.6263 1.6352 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.7423 0.0101 1.7027 1.7127 1.7426 1.7539 1.7588
1.8692 0.0141 1.8297 1.8347 1.8739 1.8989 1.8995
2.0856 0.0169 2.0289 2.0364 2.0912 2.1149 2.1167
2.3561 0.0167 2.2805 2.2904 2.3640 2.3695 2.3699
Forward Voltage Category 2 - 25,493 units
Test Condition Mean Std dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile max IF = 30A 1.6182 0.0078 1.5341 1.5720 1.5983 1.6190 1.6358 1.6377 1.6402 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.7615 0.0121 1.6846 1.7301 1.7388 1.7597 1.7997 1.8148 1.8528
1.9147 0.0202 1.8421 1.8597 1.8742 1.9156 1.9667 1.9941 2.0190
2.1504 0.0224 2.0797 2.0835 2.0984 2.1512 2.2000 2.2207 2.2381
2.4328 0.0299 2.3701 2.3713 2.3740 2.4304 2.4884 2.4898 2.4900
Forward Voltage Category 3 - 25,820 units
Test Condition Mean Std dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile max IF = 30A 1.6244 0.0209 1.4502 1.5625 1.5932 1.6196 1.6963 1.7218 1.7758 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.7874 0.0393 1.6976 1.7258 1.7338 1.7774 1.9002 1.9275 1.9559
1.9608 0.0401 1.8607 1.8790 1.8864 1.9564 2.0594 2.0792 2.1037
2.2281 0.0309 2.1359 2.1565 2.1696 2.2265 2.3026 2.3228 2.3693
2.5567 0.0359 2.4900 2.4903 2.4910 2.5604 2.6093 2.6100 2.6100
8
Forward Voltage Category 4 - 50,516 units
Test Condition Mean Std dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile max IF = 30A 1.6389 0.0365 1.4648 1.5413 1.5918 1.6260 1.7646 1.8092 1.8486 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.8273 0.0698 1.6914 1.7275 1.7390 1.8006 2.0000 2.0189 2.0648
2.0161 0.0664 1.8840 1.9063 1.9213 1.9991 2.1801 2.1990 2.2240
2.3061 0.0471 2.2096 2.2190 2.2290 2.2974 2.4190 2.4377 2.5137
2.6655 0.0320 2.6101 2.6103 2.6115 2.6627 2.7286 2.7298 2.7300
Forward Voltage Category 5 - 24,006 units
Test Condition Mean Std dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile max IF = 30A 1.6850 0.0837 1.4549 1.5313 1.6013 1.6369 1.8941 1.9472 1.9772 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.8935 0.1047 1.6976 1.7409 1.7534 1.8559 2.1248 2.1548 2.1773
2.0874 0.0865 1.9090 1.9359 1.9513 2.0603 2.2794 2.3032 2.3274
2.3957 0.0498 2.2789 2.2922 2.3083 2.3822 2.5263 2.5582 2.5670
2.7829 0.0332 2.7301 2.7303 2.7313 2.7796 2.8473 2.8498 2.8500
Forward Voltage Category 6 - 4,423 units
Test Condition Mean Std dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile max IF = 30A 1.6694 0.0866 1.4807 1.5033 1.5776 1.6209 1.9269 1.9669 1.9972 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.8802 0.1193 1.7191 1.7409 1.7463 1.8209 2.1573 2.1948 2.2274
2.0960 0.1085 1.9430 1.9480 1.9613 2.0557 2.3244 2.3546 2.3621
2.4499 0.0665 2.3395 2.3483 2.3545 2.4277 2.5857 2.6113 2.6247
2.8902 0.0322 2.8501 2.8504 2.8510 2.8813 2.9680 2.9699 2.9700
Forward Voltage Category 7 - 703 units
Test Condition Mean Std dev Min 1%-tile 50%-tile 99%-tile max IF = 30A 1.6502 0.0758 1.4657 1.5032 1.6126 1.9216 1.9493 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.8570 0.1057 1.7394 1.7513 1.7986 2.1682 2.2057
2.0961 0.1001 1.9763 1.9813 2.0493 2.3567 2.4257
2.5076 0.0644 2.4258 2.4289 2.4841 2.6607 2.7263
3.0120 0.0280 2.9706 2.9718 3.0080 3.0855 3.0900
9
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 - 1,483 units
Test Condition Mean Std dev Min 1%-tile 50%-tile 99%-tile max IF = 30A 1.6192 0.0094 1.5161 1.5774 1.6199 1.6311 1.6311 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.7704 0.0103 1.7081 1.7413 1.7712 1.7868 1.7956
1.9027 0.0159 1.8607 1.8663 1.9050 1.9300 1.9362
2.1037 0.0177 2.0463 2.0569 2.1063 2.1313 2.1357
2.3435 0.0185 2.2763 2.2913 2.3464 2.3695 2.3698
Forward Voltage Category 2 - 7,386 units
Test Condition Mean Std dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile max IF = 30A 1.6270 0.0137 1.4648 1.4782 1.5745 1.6268 1.6514 1.6711 1.7262 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.7769 0.0142 1.6720 1.6870 1.7443 1.7771 1.8218 1.8689 1.8989
1.9216 0.0209 1.8546 1.8627 1.8796 1.9240 1.9797 2.0063 2.0315
2.1538 0.0219 2.0796 2.0897 2.1078 2.1519 2.2083 2.2175 2.2374
2.4385 0.0373 2.3701 2.3701 2.3711 2.4449 2.4899 2.4899 2.4899
Forward Voltage Category 3 - 34,666 units
Test Condition Mean Std dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile max IF = 30A 1.6397 0.0257 1.4572 1.5174 1.5689 1.6381 1.7212 1.7525 1.7863 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.8082 0.0368 1.6854 1.7378 1.7590 1.7975 1.9156 1.9388 1.9853
1.9742 0.0421 1.8796 1.8917 1.8987 1.9727 2.0690 2.0955 2.1453
2.2363 0.0346 2.1484 2.1522 2.1601 2.2372 2.3134 2.3278 2.3570
2.5595 0.0311 2.4901 2.4902 2.4922 2.5621 2.6086 2.6100 2.6100
10
Forward Voltage Category 4 - 47,121 units
Test Condition Mean Std dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile max IF = 30A 1.6672 0.0572 1.4522 1.5178 1.5689 1.6481 1.8544 1.8856 1.9463 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.8773 0.0776 1.6945 1.7606 1.7727 1.8576 2.0432 2.0689 2.1181
2.0594 0.0689 1.9043 1.9245 1.9350 2.0538 2.2109 2.2331 2.2549
2.3321 0.0465 2.2085 2.2222 2.2358 2.3328 2.4388 2.4524 2.4672
2.6707 0.0328 2.6100 2.6103 2.6123 2.6706 2.7276 2.7296 2.7299
Forward Voltage Category 5 - 18,519 units
Test Condition Mean Std dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile max IF = 30A 1.7368 0.1026 1.4551 1.5242 1.5992 1.7057 1.9607 2.0308 2.0865 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.9612 0.0934 1.7343 1.7657 1.7812 1.9528 2.1423 2.1551 2.1876
2.1412 0.0700 1.9503 1.9623 1.9771 2.1359 2.2778 2.2978 2.3470
2.4206 0.0445 2.3010 2.3164 2.3328 2.4149 2.5160 2.5363 2.5736
2.7755 0.0317 2.7300 2.7301 2.7304 2.7724 2.8460 2.8490 2.8497
Forward Voltage Category 6 - 3,329 units
Test Condition Mean Std dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile max IF = 30A 1.6889 0.0901 1.4611 1.4757 1.5649 1.6568 2.0164 2.0277 2.0427 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.9156 0.1146 1.7543 1.7698 1.7806 1.9363 2.1566 2.2016 2.2325
2.1152 0.1062 1.9681 1.9687 1.9712 2.1501 2.3117 2.3819 2.4068
2.4538 0.0597 2.3501 2.3507 2.3532 2.4702 2.5781 2.6209 2.6409
2.8853 0.0299 2.8501 2.8502 2.8504 2.8772 2.9653 2.9697 2.9697
Forward Voltage Category 7 - 546 units
Test Condition Mean Std dev Min 1%-tile 50%-tile 99%-tile max IF = 30A 1.6906 0.0969 1.5041 1.5335 1.6436 1.9719 1.9984 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.8909 0.1196 1.7841 1.7941 1.8212 2.2599 2.2885
2.1250 0.1038 2.0082 2.0188 2.0800 2.4472 2.4622
2.5280 0.0624 2.4371 2.4464 2.5120 2.7006 2.7131
3.0094 0.0295 2.9703 2.9709 3.0044 3.0875 3.0898
11
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 - 6,763 units
Test Condition Mean Std dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile max IF = 30A 1.6933 0.0102 1.5982 1.6345 1.6716 1.6965 1.7207 1.7232 1.7232 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.8391 0.0101 1.7707 1.8042 1.8284 1.8327 1.8621 1.8840 1.8890
1.9788 0.0167 1.9270 1.9353 1.9502 1.9706 2.0190 2.0221 2.0419
2.1982 0.0150 2.1466 2.1493 2.1650 2.1945 2.2297 2.2440 2.2490
2.4734 0.0153 2.4007 2.4082 2.4232 2.4782 2.4888 2.4899 2.4899
Forward Voltage Category 3 - 35,868 units
Test Condition Mean Std dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile max IF = 30A 1.7079 0.0196 1.5400 1.6489 1.6767 1.7037 1.7771 1.8397 1.8613 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.8713 0.0402 1.7893 1.8183 1.8284 1.8570 1.9892 2.0192 2.0292
2.0273 0.0465 1.9465 1.9502 1.9553 2.0146 2.1418 2.1574 2.1675
2.2679 0.0364 2.1836 2.1891 2.1895 2.2662 2.3504 2.3576 2.3690
2.5670 0.0326 2.4901 2.4905 2.4950 2.5758 2.6086 2.6098 2.6100
Forward Voltage Category 4 - 56,164 units
Test Condition Mean Std dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile max IF = 30A 1.7212 0.0455 1.5312 1.6108 1.6716 1.7039 1.8782 1.9076 1.9589 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.9082 0.0743 1.7864 1.8254 1.8308 1.8708 2.0990 2.1118 2.1328
2.0734 0.0728 1.9553 1.9628 1.9715 2.0463 2.2429 2.2541 2.2711
2.3369 0.0485 2.2290 2.2340 2.2495 2.3285 2.4508 2.4618 2.4749
2.6751 0.0334 2.6102 2.6102 2.6118 2.6778 2.7286 2.7295 2.7300
12
Forward Voltage Category 5 - 26,660 units
Test Condition Mean Std dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile max IF = 30A 1.7265 0.0545 1.5375 1.6119 1.6716 1.7089 1.9107 1.9445 2.0047 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.9250 0.0855 1.7858 1.8290 1.8321 1.8859 2.1816 2.2067 2.2285
2.1046 0.0786 1.9752 1.9908 2.0146 2.0703 2.3317 2.3517 2.3711
2.3970 0.0487 2.3017 2.3105 2.3323 2.3817 2.5487 2.5662 2.5787
2.7760 0.0318 2.7300 2.7300 2.7313 2.7693 2.8459 2.8491 2.8500
Forward Voltage Category 6 - 5,228 units
Test Condition Mean Std dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile max IF = 30A 1.7619 0.0603 1.5522 1.5622 1.6716 1.7582 1.9323 1.9959 2.0516 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
2.0147 0.0914 1.8296 1.8310 1.8460 2.0269 2.1931 2.2517 2.2898
2.2061 0.0820 2.0119 2.0151 2.0403 2.2166 2.3633 2.4018 2.4318
2.5043 0.0490 2.3728 2.3840 2.3989 2.5145 2.6022 2.6322 2.6544
2.8864 0.0273 2.8501 2.8501 2.8506 2.8807 2.9654 2.9687 2.9700
Forward Voltage Category 7 - 669 units
Test Condition Mean Std dev Min 0.1%-tile 50%-tile 99%-tile max IF = 30A 1.7363 0.0853 1.5622 1.6513 1.7097 2.1003 2.1266 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
1.9705 0.1111 1.8359 1.8509 1.9458 2.3066 2.3329
2.1981 0.0922 2.0499 2.0698 2.1696 2.4483 2.4965
2.5709 0.0529 2.4479 2.4845 2.5623 2.7060 2.7555
3.0247 0.0352 2.9703 2.9707 3.0244 3.0888 3.0897
13
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 - 6 units
Test Condition Mean IF = 30A 1.5728 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
IF = 150 2.3623
mA
1.7269
1.8208
1.9446
2.0920
Forward Voltage Category 2 - 2,698 units
Test Condition Mean Std Dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile Max IF = 30A 1.6216 0.0069 1.5223 1.5512 1.6045 1.6223 1.6311 1.6334 1.6344 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
IF = 150
mA
1.7426 0.0052 1.6725 1.6979 1.7307 1.7420 1.7580 1.7666 1.7752
1.8400 0.0102 1.7826 1.8020 1.8209 1.8379 1.8732 1.8871 1.8936
1.9780 0.0152 1.9225 1.9328 1.9475 1.9754 2.0219 2.0350 2.0398
2.1372 0.0181 2.0811 2.0871 2.1000 2.1355 2.1877 2.1969 2.2008
2.4259 0.0229 2.3707 2.3717 2.3775 2.4256 2.4842 2.4891 2.4898
Forward Voltage Category 3 - 2,738 units
Test Condition Mean Std Dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile Max IF = 30A 1.6105 0.0153 1.4779 1.5115 1.5814 1.6082 1.6879 1.7182 1.7195 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
IF = 150
mA
1.7525 0.0221 1.7191 1.7213 1.7287 1.7492 1.8777 1.9031 1.9049
1.8731 0.0344 1.8252 1.8293 1.8316 1.8660 2.0027 2.0256 2.0285
2.0443 0.0389 1.9730 1.9818 1.9879 2.0367 2.1543 2.1701 2.1721
2.2369 0.0324 2.1609 2.1631 2.1744 2.2281 2.3129 2.3254 2.3268
2.5836 0.0250 2.4900 2.4904 2.5014 2.5926 2.6098 2.6100 2.6100
Forward Voltage Category 4 - 26,610 units
Test Condition Mean Std Dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile Max IF = 30A 1.6329 0.0476 1.4541 1.5086 1.5871 1.6176 1.8369 1.8977 1.9367 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
IF = 150
mA
1.7976 0.0737 1.6598 1.7193 1.7352 1.7604 2.0299 2.0527 2.0740
1.9304 0.0830 1.7996 1.8305 1.8426 1.8941 2.1412 2.1563 2.1688
2.1083 0.0719 1.9902 2.0025 2.0115 2.0840 2.2764 2.2873 2.2965
2.3114 0.0521 2.2051 2.2146 2.2252 2.2986 2.4313 2.4406 2.4451
2.6815 0.0319 2.6102 2.6104 2.6135 2.6857 2.7291 2.7299 2.7299
14
Forward Voltage Category 5 - 42,874 units
Test Condition Mean Std Dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile Max IF = 30A 1.6439 0.0483 1.4525 1.5154 1.5926 1.6320 1.8354 1.8807 1.9430 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
IF = 150
mA
1.8115 0.0621 1.6500 1.7266 1.7357 1.7959 1.9908 2.0504 2.1199
1.9525 0.0656 1.8043 1.8420 1.8479 1.9506 2.1088 2.1842 2.2516
2.1463 0.0565 2.0154 2.0326 2.0420 2.1473 2.2719 2.3441 2.4043
2.3727 0.0421 2.2656 2.2766 2.2902 2.3738 2.4555 2.5170 2.5627
2.7924 0.0362 2.7301 2.7301 2.7316 2.7936 2.8492 2.8500 2.8500
Forward Voltage Category 6 - 40,217 units
Test Condition Mean Std Dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile Max IF = 30A 1.7005 0.0921 1.4854 1.5518 1.5977 1.6711 1.9547 1.9771 2.0037 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
IF = 150
mA
1.8883 0.0956 1.7066 1.7314 1.7393 1.8830 2.1047 2.1201 2.1957
2.0338 0.0890 1.8371 1.8475 1.8545 2.0305 2.2154 2.2486 2.3123
2.2329 0.0749 2.0486 2.0553 2.0619 2.2268 2.3809 2.4029 2.4621
2.4675 0.0590 2.3211 2.3270 2.3375 2.4590 2.5836 2.5908 2.6404
2.9032 0.0370 2.8502 2.8502 2.8508 2.8963 2.9689 2.9699 2.9699
Forward Voltage Category 7 - 16,715 units
Test Condition Mean Std Dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-tile Max IF = 30A 1.8462 0.0924 1.4652 1.5770 1.6137 1.8512 2.0236 2.0424 2.0500 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
IF = 150
mA
2.0363 0.0649 1.7178 1.7473 1.7830 2.0375 2.1467 2.1697 2.1926
2.1669 0.0530 1.8592 1.8814 1.9508 2.1723 2.2549 2.2875 2.3389
2.3536 0.0408 2.0834 2.1273 2.1980 2.3557 2.4322 2.4637 2.5262
2.5799 0.0301 2.3820 2.4279 2.4828 2.5791 2.6514 2.6764 2.7250
3.0018 0.0265 2.9701 2.9701 2.9705 2.9943 3.0822 3.0891 3.0898
15
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 - 422 units
Test Condition Mean Std Dev Min 1%-tile 50%-tile 99%-tile Max IF = 30A 1.6793 0.0111 1.5885 1.6264 1.6803 1.6975 1.6986 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
IF = 150
mA
1.8120 0.0092 1.7658 1.7850 1.8133 1.8260 1.8367
1.9211 0.0211 1.8762 1.8803 1.9188 1.9631 1.9789
2.0818 0.0301 2.0223 2.0236 2.0809 2.1334 2.1482
2.2638 0.0282 2.1910 2.1975 2.2666 2.3064 2.3156
2.5904 0.0210 2.5096 2.5139 2.5988 2.6098 2.6100
Forward Voltage Category 4 - 10,665 units
Test Condition Mean Std Dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-TILE Max IF = 30A 1.6828 0.0128 1.5369 1.5762 1.6609 1.6812 1.7068 1.8270 1.9006 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
IF = 150
mA
1.8365 0.0202 1.7762 1.7934 2.8080 1.8301 1.9072 1.9701 2.0002
1.9761 0.0306 1.8826 1.8908 1.9184 1.9715 2.0516 2.0770 2.0947
2.1568 0.0306 2.0402 2.0479 2.0881 2.1570 2.2178 2.2307 2.2496
2.3485 0.0295 2.2369 2.2490 2.2814 2.3527 2.3996 2.4061 2.4191
2.6858 0.0329 2.6102 2.6105 2.6145 2.6945 2.7293 2.7299 2.7299
Forward Voltage Category 5 - 23,768 units
Test Condition Mean Std Dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-TILE Max IF = 30A 1.6887 0.0222 1.5313 1.5975 1.6625 1.6842 1.7762 1.8666 2.0441 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
IF = 150
mA
1.8799 0.0426 1.7934 1.8027 1.8180 1.8711 1.9992 2.0369 2.0430
2.0400 0.0433 1.9023 1.9125 1.9531 2.0393 2.1357 2.1570 2.1729
2.2277 0.0345 2.0752 2.1010 2.1549 2.2279 2.3055 2.3230 2.3334
2.4281 0.0295 2.3020 2.3363 2.3684 2.4262 2.4973 2.5117 2.5180
2.7851 0.0322 2.7301 2.7301 2.7316 2.7830 2.8482 2.8498 2.8500
16
Forward Voltage Category 6 - 18,828 units
Test Condition Mean Std Dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-TILE Max IF = 30A 1.7004 0.0598 1.5535 1.6221 1.6309 1.6795 1.8660 1.8980 2.0256 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
IF = 150
mA
1.8960 0.0644 1.7900 1.8016 1.8059 1.8777 2.0400 2.0551 2.1092
2.0676 0.0537 1.9141 1.9346 1.9529 2.0664 2.1674 2.1937 2.2465
2.2739 0.0369 2.1219 2.1609 2.1875 2.2764 2.3477 2.3756 2.4139
2.4982 0.0277 2.3828 2.4146 2.4350 2.4998 2.5535 2.5771 2.6076
2.9023 0.0302 2.8502 2.8502 2.8514 2.9021 2.9666 2.9697 2.9699
Forward Voltage Category 7 - 5,408 units
Test Condition Mean Std Dev Min 0.1%-tile 1%-tile 50%-tile 99%-tile 99.9%-TILE Max IF = 30A 1.7246 0.0645 1.5547 1.6105 1.6385 1.7016 1.8914 2.0129 2.0340 IF =
1 mA
IF = 8
mA
IF = 32
mA
IF = 70
mA
IF = 150
mA
1.9544 0.0932 1.7959 1.8141 1.8264 1.9391 2.1168 2.1461 2.1508
2.1296 0.0800 1.9500 1.9684 1.9881 2.1104 2.2650 2.2701 2.2725
2.3505 0.0573 2.1984 2.2127 2.2410 2.3301 2.4527 2.4627 2.4645
2.5950 0.0426 2.4830 2.4926 2.5137 2.5852 2.6723 2.6811 2.6828
3.0324 0.0347 2.9701 2.9701 2.9711 3.0389 3.0877 3.0896 3.0898
17
Company Information
Lumileds is a world class supplier of Light 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 development centers in San Jose, California and Best, The Netherlands. Production capabilities in San Jose, California and Malaysia.
Lumileds is pioneering the high flux LED technology and bridging the gap between solid state LED technology and the lighting world. Lumileds is absolutely dedicated to bringing the best and brightest 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 Asia: +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. Product specifications are subject to change without notice. Publication No. AB20 3B (Sept2002)
18

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