z-power led x10490 technical data sheet ???? : ssc- qp- 7- 07- 25 (rev.00) 1 rev. 00 rev. 00 july 2012 july 2012 www.acrich.com www.acrich.com saw8kg0b application note: circuit design for saw8kg0b ? white colored smt package. ? pb-free reflow soldering ? suitable for all smt ? lead free and rohs compliant ? interior lighting ? general lighting ? indoor and out door displays ? architectural / decorative lighting features applications description this surface-mount led comes in standard package dimension. it has a substrate made up of a molded plastic reflector sitting on top of a bent lead frame. the die is attached within the reflector cavity and the cavity is encapsulated by silicone. the package design coupled with careful selection of component materials allow these products to perform with high reliability.
z-power led x10490 z-power led x10490 technical data sheet ???? : ssc- qp- 7- 07- 25 (rev.00) rev. 00 rev. 00 july 2012 july 2012 www.acrich.com www.acrich.com 2 contents 1. saw8kg0b information 1.1 description ----------------------------------- ------------------------------------3 1.2 mechanical dimension -------------------------- --------------------------------3 1.3 characteristics ------------------------------- ------------------------------------4 2. driver configurations 2.1 description ----------------------------------- ------------------------------------5 2.2 linear circuits ------------------------------- -------------------------------------5 2.3 capacitive circuits --------------------------- ------------------------------------7
z-power led x10490 z-power led x10490 technical data sheet ???? : ssc- qp- 7- 07- 25 (rev.00) rev. 00 rev. 00 july 2012 july 2012 www.acrich.com www.acrich.com 3 1. saw8kg0b information 1.1 description the saw8kg0b emitter is designed to operate of rect ified high voltage ac. the saw8kg0b contains a high brightness, high voltage led chip a rray and connects the led chip to the anode and cathode of the package. each saw8kg0b emitter contains a zener diode to provide esd protection. 1.2 mechanical dimensions figure 1. saw8kg0b (left) and circuit diagram figure 2. saw8kg0b mechanical dimensions(mm) anode esd protection device 2 1 cathode package package package package marking marking marking marking ( tolerance: 0.1, unit: mm ) slug (anode) slug (anode) slug (anode) slug (anode) a c c a
z-power led x10490 z-power led x10490 technical data sheet ???? : ssc- qp- 7- 07- 25 (rev.00) rev. 00 rev. 00 july 2012 july 2012 www.acrich.com www.acrich.com 4 1. saw8kg0b information 1.3 characteristics parameter symbol condition min. typ. max. unit forward voltage* v f i f =20ma 20.7 22 23 v reverse voltage v r i r =10ma 0.7 - - v luminous intensity* [1] (3700~7000k) i v i f =20ma - 13.8 (42.8) - cd (lm) luminous intensity* [1] (2600~3700k) i v i f =20ma 10.9 12.2 (37.8) - color correlated temperature cct i f =20ma 2,600 - 7,000 k viewing angle [2] 2 1/2 i f =20ma - 115 - deg. color rendering index* ra i f =20ma 80 82 90 - esd (hbm) 1.5k ? ;100 pf 5 - - kv thermal resistance [3] r th js i f =20ma - 27 - k/w [1] the luminous intensity iv was measured at the p eak of the spatial pattern which may not be aligne d with the mechanical axis of the led package. [2] 2 1/2 is the off-axis where the luminous intensity is 1/2 of the peak intensity. [3] thermal resistance: rthjs (junction / solder) * tolerance : v f : 0.4v, i v : 7%, ra : 2, x,y : 0.01 [note] all measurements were made under the standar dized environment of ssc. absolute maximum ratings parameter symbol value unit power dissipation * [1] p d 0.58 w forward current i f 25 ma operating temperature t opr -30~+85 storage temperature t stg -40~+100 junction temperature t j 125 [1] care is to be taken that power dissipation does not exceed the absolute maximum rating of the prod uct. * leds properties might be different from suggest ed values like above and below tables if operation c ondition will be exceeded our parameter range.
z-power led x10490 z-power led x10490 technical data sheet ???? : ssc- qp- 7- 07- 25 (rev.00) rev. 00 rev. 00 july 2012 july 2012 www.acrich.com www.acrich.com 5 2. driver configurations 2.1 description the saw8kg0b emitter is designed to operate directl y off of ac line power(e.g 120vac, 230vac) with a rectifier, linear circuits or capacitive cir cuits or switching circuits. 2.2 linear circuit a) resistor driving circuit it is better to use higher than rated power resisto rs for reliability. the rated power of the resisto r should be chosen based on the equation irms(a)*irms (a)*resistor value(ohms). the normal power rating of a 3216 size resistor is 0.25w. if t he power consumption in one resistor exceeds the rated power of the resistor it is suggested to use multiple resistors in parallel. figure 3. resistor driving circuit for 100~120vac (a) series configuration (b) parallel configuration
z-power led x10490 z-power led x10490 technical data sheet ???? : ssc- qp- 7- 07- 25 (rev.00) rev. 00 rev. 00 july 2012 july 2012 www.acrich.com www.acrich.com 6 input voltage power dissipation led# target drive current vf bins a b c 100 vac 2 w 5ea 20 ma,rms 630 480 330 110 vac 2 w 5ea 20 ma,rms 1060 910 760 120 vac 2 w 5ea 20 ma,rms 1510 1360 1210 table 1. resistor values in figure 3-(a) table 2. resistor values in figure 3-(b) input voltage power dissipation led# target drive current vf bins a b c 100 vac 4 w 10ea 40 ma,rms 315 240 165 110 vac 4 w 10ea 40 ma,rms 530 455 380 120 vac 4 w 10ea 40 ma,rms 755 680 605 figure 4. resistor driving circuit for 220vac input voltage power dissipation led# target drive current vf bins a b c 220 vac 4 w 10ea 20 ma,rms 2200 1900 1600 230 vac 4 w 10ea 20 ma,rms 2640 2340 2040 240 vac 4 w 10ea 20 ma,rms 3080 2780 2480 table 3. resistor values in figure 4.
z-power led x10490 z-power led x10490 technical data sheet ???? : ssc- qp- 7- 07- 25 (rev.00) rev. 00 rev. 00 july 2012 july 2012 www.acrich.com www.acrich.com 7 0.0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 0 5 10 15 20 25 30 35 40 current [ma] time [ms] standard ac driving optional configuration#1 optional configuration#2 optional configuration#3 2.3 capacitive circuit saw8kg0b can be operated in three additional option al configurations if higher efficiency or less flicker is needed. these capacitive configurations can lower power fac tor as seen in table 4. the three different capacitive configurations consi st of a bridge diode, resistor, and capacitor(s). optional configuration #1 : output resistor + outpu t capacitor(parallel) optional configuration #2 : input capacitor(series) + output resistor optional configuration #3 : input capacitor(series) + output capacitor(parallel) + output resistor standard ac drive optional configuration #1 optional configuration #2 optional configuration #3 led # 10 ea 10 ea 10 ea 10 ea led vf rank c c c c vin 230 vac 230 vac 230 vac 230 vac frequency 50 hz 50 hz 50 hz 50 hz rout 2040 4750 100 390 cin n/a n/a 550 nf 1130 nf cout n/a 47 uf n/a 47 uf led current 20 ma,rms 20 ma,rms 20 ma,rms 20 ma,rms input current 20 ma,rms 100 ma,rms 20 ma,rms 40 ma,rms p in 4.16 w 6.52 w 3.23 w 4.71 w p led 3.33 w 4.54 w 3.17 w 4.53 w effciency(p led /p in ) 80.15% 69.56% 98.19% 96.23% noticeable flicker 100hz no 100hz no pf 0.90 0.28 0.70 0.51 table 4 shows detail circuit characteristic of four configurations that are operated in 230vac/50hz. figure 5. current waveforms of different circuit co nfigurations
z-power led x10490 z-power led x10490 technical data sheet ???? : ssc- qp- 7- 07- 25 (rev.00) rev. 00 rev. 00 july 2012 july 2012 www.acrich.com www.acrich.com 8 figure 6. optional capacitive drive circuit configu ration#1 table 5. resistor and capacitor values in figure 6 input voltage frequency led# target drive current (i led, not i in ) cp rseries for vf bins a b c 220 vac 50hz/60hz 10 ea 20 ma,rms 47 uf 4650 4350 4050 230 vac 50hz/60hz 10 ea 20 ma,rms 47 uf 5350 5050 4750 240 vac 50hz/60hz 10 ea 20 ma,rms 47 uf 6050 5750 5450 100 vac 50hz/60hz 5 ea 20 ma,rms 100 uf 1580 1430 1280 110 vac 50hz/60hz 5 ea 20 ma,rms 100 uf 2290 2140 1990 120 vac 50hz/60hz 5 ea 20 ma,rms 100 uf 2990 2840 2690 optional circuit configuration#1 : this adds an output capacitor to the standard ci rcuit. this configuration has no flicker. the current shape through the saw8kg0b package is s imilar to dc current, as seen in figure 6. input current and led current are not the same valu e. the target drive current indicates led current through saw8kg0 b pkg. there is no difference in resistor values between 50hz and 60hz of frequency.
z-power led x10490 z-power led x10490 technical data sheet ???? : ssc- qp- 7- 07- 25 (rev.00) rev. 00 rev. 00 july 2012 july 2012 www.acrich.com www.acrich.com 9 figure 7. optional capacitive drive circuit configu ration#2 input voltage frequency led# target drive current (i led = i in ) rs cs for vf bins a b c 220 vac 50 hz 10 ea 20 ma,rms 100 560 nf 590 nf 640 nf 60 hz 10 ea 20 ma,rms 100 470 nf 490 nf 530 nf optional circuit configuration#2 : this adds an input capacitor to the standard cir cuit. this configuration has the same current shape through t he 5630 package as the standard ac drive (as seen in figure 7), but since it can only drive one led string it is ve ry suitable for compact designs. additionally the circuit efficiency is ver y high. you can also improve efficiency a little by eliminating the output resistor(rout), but ssc reco mmends using rout for surge immunity. input voltage frequency led# target drive current (i led = i in ) rs cs for vf bins a b c 230 vac 50 hz 10 ea 20 ma,rms 100 500 nf 520 nf 550 nf 60 hz 10 ea 20 ma,rms 100 420 nf 430 nf 460 nf table 6. resistor and capacitor values in figure 7 (220vac) table 7. resistor and capacitor values in figure 7 (220vac) table 8. resistor and capacitor values in figure 7 (100~120 vac) input voltage frequency led# target drive current (i led = i in ) rs cs for vf bins a b c 100vac 50 hz 5 ea 20 ma,rms 100 1600 nf 1850 nf 2340 nf 60 hz 5 ea 20 ma,rms 100 1340 nf 1550 nf 1950 nf 110 vac 50 hz 5 ea 20 ma,rms 100 1150 nf 1230 nf 1330 nf 60 h 5 ea 20 ma,rms 100 960 nf 1020 nf 1110 nf 120 vac 50 hz 5 ea 20 ma,rms 100 920 nf 950 nf 1000 nf 60 hz 5 ea 20 ma,rms 100 760 nf 800 nf 930 nf
z-power led x10490 z-power led x10490 technical data sheet ???? : ssc- qp- 7- 07- 25 (rev.00) rev. 00 rev. 00 july 2012 july 2012 www.acrich.com www.acrich.com 10 figure 8. optional capacitive drive circuit configu ration#3 table 9. resistor and capacitor values in figure 8 (220vac) input voltage frequency led# target drive current (i led, not i in ) cp rs cs for vf bins a b c 220 vac 50 hz 10 ea 20 ma,rms 47 uf 390 1160 nf 1250 nf 1350 nf 60 hz 10 ea 20 ma,rms 47 uf 390 960 nf 1040 nf 1120 nf optional circuit configuration#3 : this adds an input capacitor and output capacito r to the standard circuit. this configuration has no flicker and the current s hape through the 5630 package is similar to dc current, as seen in figure 8. this means we get a combination of configurations #1 & 2, higher efficiency and no flicker issues. input voltage frequency led# target drive current (i led, not i in ) cp rs cs for vf bins a b c 230 vac 50 hz 10 ea 20 ma,rms 47 uf 390 990 nf 1060 nf 1130 nf 60 hz 10 ea 20 ma,rms 47 uf 390 830 nf 880 nf 940 nf input voltage frequency led# target drive current (i led, not i in ) cp rs cs for vf bins a b c 110 vac 50 hz 5 ea 20 ma,rms 100 uf 200 2360 nf 2550 nf 2770 nf 60 hz 5 ea 20 ma,rms 100 uf 200 1970 nf 2120 nf 2300 nf 120 vac 50 hz 5 ea 20 ma,rms 100 uf 200 1780 nf 1890 nf 2010 nf 60 hz 5 ea 20 ma,rms 100 uf 200 1480 nf 1570 nf 1640 nf table 10. resistor and capacitor values in figure 8 (230vac) table 11. resistor and capacitor values in figure 8 (110~120vac)
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