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white led step-up converter ap3009 d ata sheet 1 may 2013 rev. 2. 0 bcd semiconductor manufacturing limited general description the ap3009 is an inductor-based dc/dc converter designed to drive up to six white leds in series for backlight. only one feedback resistor is needed to con- trol the led current and obtain satisfied brightness. a constant frequency 1.2mhz pwm control scheme is employed in this ic, which means the tiny external components can be used. in fact, 1mm tall inductor and 0.22m f output capacitor for the typical application is very appropriate. additionally, the schottky diode in boost circuit is integrated in this chip. ap3009 also provide a disable port to ease its use for different sys- tems. the over output voltage protection is equipped in ap3009. when any led is broken or in other abnor- mal conditions, the output voltage will be clamped to 30v. the ap3009 is available in standard sot-23-6 pack- age. features inherently uniform led current high efficiency: 83% typical no need for extra schottky diode over output voltage protection drives 2 to 6 leds fast 1.2mhz switching frequency uses tiny 1mm tall inductor requires only 0.22 m f output capacitor applications cellular phones digital cameras lcd modules gps receivers pdas, handheld computers figure 1. package type of ap3009 sot-23-6
white led step-up converter ap3009 d ata sheet 2 may 2013 rev. 2. 0 bcd semiconductor manufacturing limited figure 2. pin configuration of ap3009 (top view) pin configuration pin description pin number pin name function 1 v out output pin. connected to the cathode of internal schottky diode 2 gnd g round pin 3 f b voltage feedback. reference voltage is 200mv 4 ctrl shutdown and dimming pin. connect to 1.8v or higher to enable device; connect to 50mv or less to disable device; connect to a voltage between 1.8v and 50mv to achieve linear dim- ming 5 v in input supply pin. must be locally bypassed 6 sw s witch pin. connect external inductor (sot-23-6) v o ut gnd fb sw v in ctrl k package 1 2 3 4 5 pin 1 mark 6
white led step-up converter ap3009 d ata sheet 3 may 2013 rev. 2. 0 bcd semiconductor manufacturing limited functional block diagram figure 3. functional block diagram of ap3009 gnd fb v in sw package temperature range part number marking id packing type sot-23-6 -40 to 85 o c AP3009KTR-E1 e9t tape & reel circuit type package k: sot-23-6 e1: rohs ap3009 - tr: tape and reel ordering information v out ctrl q1 s a2 a1 r s q 1.2 mhz oscillator ramp generator v ref 3 5 4 2 1 driver 1.25 v comparator ovp 200 mv 6 bcd semiconductor's products as designated with "e1" suffix in the part number are rohs compliant.
white led step-up converter ap3009 d ata sheet 4 may 2013 rev. 2. 0 bcd semiconductor manufacturing limited parameter symbol value unit input voltage v in 20 v sw voltage 38 v fb voltage 20 v ctrl voltage 20 v thermal resistance (junction to atmosphere, no heat sink) q ja 265 o c/w operating junction temperature 150 o c storage temperature range t stg -65 to 150 o c lead temperature (soldering, 10sec) t lead 260 o c esd (machine model) 250 v esd (human body model) 2000 v note 1: stresses greater than those listed under "absolute maximum ratings" may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indi- cated under "recommended operating conditions" is not implied. exposure to "absolute maximum ratings" for extended periods may affect device reliability. parameter symbol min max unit operating temperature range t op -40 85 o c input voltage v in 2.5 16 v ctrl voltage v ctrl 16 v recommended operating conditions absolute maximum ratings (note 1)
white led step-up converter ap3009 d ata sheet 5 may 2013 rev. 2. 0 bcd semiconductor manufacturing limited (v in =3v, v ctrl =3v , t a =25 o c, unless otherwise specified.) parameter symbol conditions min typ max unit minimum operating volta ge v in (min) 2.5 v maximum operating volta ge v in (max) 16 feedback voltage v fb i out =20ma, 4 leds, t a =-40 o c to 85 o c 188 200 212 mv fb pin bias current i fb 35 1 00 na supply current i cc v fb =v in , not switching 1.9 2.6 3.3 ma supply current i q v ctrl =0v 2.0 3.2 5.0 m a switching frequency f 0.8 1.2 1.6 mhz maximum duty cycle d max 90 93 % switch current limit (note 2) i limit t a =25 o c, d=40% 560 ma t a =25 o c, d=80% 465 switch v ce saturation volta ge v cesat i sw =250ma 300 mv switch leakage current v sw =5v 0. 01 5 m a ctrl pin voltage v ctrl high 1.8 v low 0.05 ctrl pin bias current i ctrl 48 60 72 m a t a =85 o c 40 50 60 t a =-40 o c 60 75 90 schottky forward drop v drop i d =150ma 0.7 v schottky leakage current v r =25v 4 m a v r =30v 90 thermal resistance (junction to case) q jc 60.84 o c/w electrical characteristics note 2: the switch current limit is related to duty cycle. please refer to figure 16 for detail.
white led step-up converter ap3009 d ata sheet 6 may 2013 rev. 2. 0 bcd semiconductor manufacturing limited typical performance characteristics figure 6. efficiency vs. led's number figure 7. schottky forward current figure 4. efficiency vs. junction temperature figure 5. efficiency vs. input voltage vs. schorttky forward drop 0 200 400 600 800 1000 0 50 100 150 200 250 300 350 schottky forward current (ma) s chottky forward drop (mv) -50 - 25 0 25 50 75 100 80 81 82 83 84 85 efficiency (%) j unction temperature ( o c) v in =3.6v, i out =20ma, 4 leds c in =1 m f, c out =0.22 m f, l=22 m h 2 3 4 5 6 76 78 80 82 84 86 efficiency (%) le ds (pcs) v in =3.6v, i out =20ma, t a =25 o c c in =1 m f, c out =0.22 m f, l=22 m h 2.5 3.0 3.5 4.0 4.5 5.0 80 81 82 83 84 85 efficiency (%) i nput voltage (v) 4 leds, i out =20ma, t a =25 o c c in =1 m f, c out =0.22 m f, l=22 m h (v f of wled is 3.45v @ i f =20ma, unless otherwise noted )
white led step-up converter ap3009 d ata sheet 7 may 2013 rev. 2. 0 bcd semiconductor manufacturing limited typical performance characteristics (continued) figure 10. output clamp voltage vs. input volta ge figure 11. input current in output open circuit figure 8. shutdown quiescent current vs. input voltage 4 6 8 10 12 14 16 0 5 10 15 20 25 30 shutdown quiescent current ( m a) i nput voltage (v) 2 4 6 8 10 12 14 16 28.0 28.5 29.0 29.5 30.0 30.5 31.0 31.5 32.0 output clamp voltage (v) i nput voltage (v) 2.5 3.0 3.5 4.0 4.5 5.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 5.0 input current in ouput open circuit (ma) i nput voltage (v) vs. input voltage figure 9. supply current vs. input voltage 0 2 4 6 8 10 12 14 16 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 supply current (ma) i nput voltage (v) 25 o c 100 o c -50 o c (v f of wled is 3.45v @ i f =20ma, unless otherwise noted )
white led step-up converter ap3009 d ata sheet 8 may 2013 rev. 2. 0 bcd semiconductor manufacturing limited figure 14. schottky forward drop typical performance characteristics (continued) figure 12. switching frequency figure 13. feedback voltage vs. junction temperature vs. junction temperature vs. junction temperature -50 - 25 0 25 50 75 100 0.95 1.00 1.05 1.10 1.15 1.20 1.25 switching frequency (mhz) j unction temperature ( o c) -50 - 25 0 25 50 75 100 196 197 198 199 200 201 202 feedback voltage (mv) j unction temperature ( o c) -50 - 25 0 25 50 75 100 0.60 0.62 0.64 0.66 0.68 0.70 0.72 0.74 0.76 0.78 0.80 i d =150ma schottky forward drop (v) j unction temperature ( o c) figure 15. schottky leackage current vs. junction temperature -50 - 25 0 25 50 75 100 0.0 0.2 0.4 0.6 0.8 1.0 schottky leakage current (ua) j unction temperature ( o c) v r =10v v r =16v v r =25v (v f of wled is 3.45v @ i f =20ma, unless otherwise noted )
white led step-up converter ap3009 d ata sheet 9 may 2013 rev. 2. 0 bcd semiconductor manufacturing limited typical performance characteristics (continued) figure 16. switch current limit vs. duty cycle 30 40 50 60 70 80 90 100 100 200 300 400 500 600 700 switching current limit (ma) d uty cycle (%) -50 o c 25 o c 100 o c figure 17. switch saturation voltage vs. switch current 50 100 150 200 250 300 50 100 150 200 250 300 350 400 switch saturation voltage (mv) s witch current (ma) figure 18. feedback voltage vs. ctrl pin voltage 0.0 0.5 1.0 1.5 2.0 0 50 100 150 200 250 feedback voltage (mv) ct rl pin voltage (v) (v f of wled is 3.45v @ i f =20ma, unless otherwise noted )
white led step-up converter ap3009 d ata sheet 10 may 2013 rev. 2. 0 bcd semiconductor manufacturing limited typical application a. four white leds driver b. five white leds driver 22 mh 1 mf 0.22 m f 10w v in sw v out fb gnd ctrl ap3009 control signal v in 3 3v 22 mh 1 m f 0.22 m f 10w v in sw v out fb gnd ctrl ap3009 control signal v in 3 3v 6 5 4 2 3 1 6 5 4 2 3 1
white led step-up converter ap3009 d ata sheet 11 may 2013 rev. 2. 0 bcd semiconductor manufacturing limited typical application (continued) figure 19. typical white led drivers c: x5r or x7r dielectric l: sumida cdrh5d28r-220nc or equivalent c. six white leds driver all these circuits can work in full temperature 22 mh 1 mf 0.22 m f 10w v in sw v out fb gnd ctrl ap3009 control signal v in 3 3v 6 5 4 2 3 1
white led step-up converter ap3009 d ata sheet 12 may 2013 rev. 2. 0 bcd semiconductor manufacturing limited mechanical dimensions sot-23-6 unit: mm(inch) 2.820(0.111) 3.100(0.122) 2.650(0.104) 3.000(0.118) 1.500(0.059) 1.700(0.067) 0.950(0.037)typ 1.800(0.071) 2.000(0.079) 0.300(0.012) 0.500(0.020) 0.700(0.028)ref 0.100(0.004) 0.200(0.008) 0 8 0.200(0.008) 0.300(0.012) 0.600(0.024) 0.000(0.000) 0.150(0.006) 0.900(0.035) 1.300(0.051) 1.450(0.057) max 1 2 3 4 5 6 pin 1 mark
white led step-up converter ap3009 d ata sheet 13 may 2013 rev. 2. 0 bcd semiconductor manufacturing limited mounting pad layout sot-23-6 e e g z y x dimensio ns z (mm)/(inch) g (mm)/(inch) x (mm)/(inch) y (mm)/(inch) e (mm)/(inch) val ue 3.600/0.142 1.600/0. 063 0.700/0.028 1.000/0. 039 0.950/0.037
important notice bcd semiconductor manufacturing limited reserves the right to make changes without further not ice to any products or specifi- cations herein. bcd semiconductor manufacturing limited does not as sume any responsibility for us e of any its products for any particular purpose, nor does bcd semiconductor manufacturi ng limited assume any liability aris ing out of the application or use of any its products or circui ts. bcd semiconductor manufacturing limited does not convey any license under its patent rights or other rights nor the rights of others. - wafer fab shanghai sim-bcd semiconductor manufacturing co., ltd. 800 yishan road, shanghai 200233, china tel: +021-6485-1491, fa x: +86-021-5450-0008 main site regional sales office shenzhen office shanghai sim-bcd semiconductor manu facturing co., ltd., shenzhen office unit a room 1203,skyworth bldg., gaoxin ave.1.s., nanshan district shenzhen 518057, china tel: +86-0755-8660-4900, fax: +86-0755-8660-4958 taiwan office (taipei) bcd semiconductor (taiwan) company limited 3f, no.17, lane 171, sec. 2, jiu-zong rd., ne i-hu dist., taipei(114), taiwan, r.o.c tel: +886-2-2656 2808 fax: +886-2-2656-2806/26562950 taiwan office (hsinchu) bcd semiconductor (taiwan) company limited 8f, no.176, sec. 2, gong-dao 5th road, east district hsinchu city 300, taiwan, r.o.c tel: +886-3-5160181, fax: +886-3-5160181 - headquarters bcd (shanghai) micro-electronics limited no. 1600, zi xing road, shanghai zizhu scie nce-based industrial park, 200241, p. r.c. tel: +86-021-2416-2266, fax: +86-021-2416-2277 usa office bcd semiconductor corp. 48460 kato road, fremont, ca 94538, usa tel: +1-510-668-1950 fax: +1-510-668-1990 korea office bcd semiconductor limited korea office. room 101-1112, digital-empire ii, 486 sin-dong, yeongtong-gu, suwon-city, gyeonggi-do, korea tel: +82-31-695-8430 important notice bcd semiconductor manufacturing limited reserves the right to make changes without further not ice to any products or specifi- cations herein. bcd semiconductor manufacturing limited does not as sume any responsibility for us e of any its products for any particular purpose, nor does bcd semiconductor manufacturi ng limited assume any liability aris ing out of the application or use of any its products or circui ts. bcd semiconductor manufacturing limited does not convey any license under its patent rights or other rights nor the rights of others. - wafer fab shanghai sim-bcd semiconductor manufacturing limited 800, yi shan road, shanghai 200233, china tel: +86-21-6485 1491, fax: +86-21-5450 0008 bcd semiconductor manufacturing limited main site regional sales office shenzhen office shanghai sim-bcd semiconductor manuf acturing co., ltd. shenzhen office advanced analog circuits (shanghai) corporation shenzhen office room e, 5f, noble center, no.1006, 3rd fuzhong road, futian district, shenzhen 518026, china tel: +86-755-8826 7951 fax: +86-755-8826 7865 taiwan office bcd semiconductor (taiwan) company limited 4f, 298-1, rui guang road, nei-hu district, taipei, taiwan tel: +886-2-2656 2808 fax: +886-2-2656 2806 usa office bcd semiconductor corporation 30920 huntwood ave. hayward, ca 94544, u.s.a tel : +1-510-324-2988 fax: +1-510-324-2788 - ic design group advanced analog circuits (shanghai) corporation 8f, zone b, 900, yi shan road, shanghai 200233, china tel: +86-21-6495 9539, fax: +86-21-6485 9673 bcd semiconductor manufacturing limited http://www.bcdsemi.com bcd semiconductor manufacturing limited important notice bcd semiconductor manufacturing limited reserves the right to make changes without further not ice to any products or specifi- cations herein. bcd semiconductor manufacturing limited does not as sume any responsibility for us e of any its products for any particular purpose, nor does bcd semiconductor manufacturi ng limited assume any liability aris ing out of the application or use of any its products or circui ts. bcd semiconductor manufacturing limited does not convey any license under its patent rights or other rights nor the rights of others. - wafer fab shanghai sim-bcd semiconductor manufacturing co., ltd. 800 yi shan road, shanghai 200233, china tel: +86-21-6485 1491, fax: +86-21-5450 0008 main site regional sales office shenzhen office shanghai sim-bcd semiconductor manuf acturing co., ltd., shenzhen office unit a room 1203, skyworth bldg., gaoxin ave.1.s., nanshan district, shenzhen, china tel: +86-755-8826 7951 fax: +86-755-8826 7865 taiwan office bcd semiconductor (taiwan) company limited 4f, 298-1, rui guang road, nei-hu district, taipei, taiwan tel: +886-2-2656 2808 fax: +886-2-2656 2806 usa office bcd semiconductor corp. 30920 huntwood ave. hayward, ca 94544, usa tel : +1-510-324-2988 fax: +1-510-324-2788 - headquarters bcd semiconductor manufacturing limited no. 1600, zi xing road, shanghai zizhu sc ience-based industrial park, 200241, china tel: +86-21-24162266, fax: +86-21-24162277 important notice bcd semiconductor manufacturing limited reserves the right to make changes without further not ice to any products or specifi- cations herein. bcd semiconductor manufacturing limited does not as sume any responsibility for us e of any its products for any particular purpose, nor does bcd semiconductor manufacturi ng limited assume any liability aris ing out of the application or use of any its products or circui ts. bcd semiconductor manufacturing limited does not convey any license under its patent rights or other rights nor the rights of others. - wafer fab shanghai sim-bcd semiconductor manufacturing limited 800, yi shan road, shanghai 200233, china tel: +86-21-6485 1491, fax: +86-21-5450 0008 bcd semiconductor manufacturing limited main site regional sales office shenzhen office shanghai sim-bcd semiconductor manuf acturing co., ltd. shenzhen office advanced analog circuits (shanghai) corporation shenzhen office room e, 5f, noble center, no.1006, 3rd fuzhong road, futian district, shenzhen 518026, china tel: +86-755-8826 7951 fax: +86-755-8826 7865 taiwan office bcd semiconductor (taiwan) company limited 4f, 298-1, rui guang road, nei-hu district, taipei, taiwan tel: +886-2-2656 2808 fax: +886-2-2656 2806 usa office bcd semiconductor corporation 30920 huntwood ave. hayward, ca 94544, u.s.a tel : +1-510-324-2988 fax: +1-510-324-2788 - ic design group advanced analog circuits (shanghai) corporation 8f, zone b, 900, yi shan road, shanghai 200233, china tel: +86-21-6495 9539, fax: +86-21-6485 9673 bcd semiconductor manufacturing limited http://www.bcdsemi.com bcd semiconductor manufacturing limited

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