View AP1681M-G1_6309608.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

preliminary datasheet off-line primary si de regulation controller for dimmable led driver ap1681 jul. 2011 rev. 1. 2 bcd semiconductor manufacturing limited 1 general description the ap1681 is a powerful high performance ac/dc power supply controller for dimmable led lighting applications. the device uses pulse frequency modulation (pfm) technology to regulate output current according to the wall dimmer conduct angle. the ap1681 achieves wide dimming range without visible flicker and is compatible with diverse dimmers. the ap1681 features low start-up current, low operation current and high efficiency. it also has rich protection functions including over voltage, short circuit, over current and over temperature protections. the ap1681 is available in soic-8 package. features ? primary side control for output current regulation without opto-coupler and secondary cv/cc control circuitry ? adjustable full brightness and full dimming setting ? wide dimming range from 100% to 1%, down to full darkness ? adjustable dimming curve for human eye sensitivity ? no visible flicker ? connectivity with analog / digital / hybrid dimming mode ? built-in accel eration start ? adjustable soft-start timing ? cv open-load regulation and reload detection ? over voltage and short circuit protection ? over temperature protection ? over current protection ? maximum switch on-time protection applications ? dimmable led driver suit for leading-edge dimmer, trailing-edge dimmer, r type, r-c type or r-l type dimmer figure 1. package type of ap1681 soic-8
preliminary datasheet off-line primary si de regulation controller for dimmable led driver ap1681 jul. 2011 rev. 1. 2 bcd semiconductor manufacturing limited 2 pin configuration m package (soic-8) figure 2. pin configuration of ap1681 (top view) pin description pin number pin name function 1 dim dimming control signal input 2 rd full brightness level setting 3 ri full dimming level setting 4 fb the feedback voltage sensing from the auxiliary winding 5 cs primary current sensing 6 gnd ground. current return for gate driver and control circuits of the ic 7 out gate driver output 8 vcc supply voltage of gate driver and control circuits of the ic 1 2 3 4 8 7 6 5 dim rd ri fb cs gnd out vcc
preliminary datasheet off-line primary si de regulation controller for dimmable led driver ap1681 jul. 2011 rev. 1. 2 bcd semiconductor manufacturing limited 3 functional block diagram regulator & bias protection & latch tonsec detector 0.1v 4v cc_ctrl tons comp comp uvlo pro pfm driver fb cs dim vcc out gnd ri rd r q s pro demag cv_ctrl comp fb_acc 1.75v vcc_ovp 4v comp peak_ctrl 0.5v comp short_ocp short_ocp vcc_ovp fb_ovp otp constant current control cc_ctrl cc_on cc_on reference comp fb_ovp 8v dimming control s q r cc_ctrl 1 23 4 5 6 7 8 figure 3. functional block diagram of ap1681
preliminary datasheet off-line primary si de regulation controller for dimmable led driver ap1681 jul. 2011 rev. 1. 2 bcd semiconductor manufacturing limited 4 ordering information ap1681 - circuit type package m: soic-8 package temperature range part number marking id packing type AP1681M-G1 1681m-g1 tube soic-8 -40 to 105 c ap1681mtr-g1 1681m-g1 tape & reel bcd semiconductor's pb-free products, as designated with "g1" suffix in the part number, are rohs compliant and green. g1: green tr: tape & reel blank: tube
preliminary datasheet off-line primary si de regulation controller for dimmable led driver ap1681 jul. 2011 rev. 1. 2 bcd semiconductor manufacturing limited 5 absolute maximum ratings (note 1) parameter symbol value unit power supply voltage v cc -0.3 to 30 v driver output current i out 300 ma voltage at rd, ri, dim, cs v rd , v ri , v dim , v cs -0.3 to 7 v fb input voltage v fb -40 to 10 v operating junction temperature t j 150 oc storage temperature t stg -65 to 150 oc lead temperature (soldering, 10 sec) t lead 300 oc power dissipation at t a =50 c p d 0.65 w thermal resistance (junction-to-ambient) ja 150 c/w esd (machine model) 200 v esd (human body model) 4000 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 indicated under ?recommended operating co nditions? is not implied. exposure to ?absolute maximum ratings? for extended periods may affect device reliability. recommended operating conditions parameter symbol min max unit power supply voltage v cc 10.8 21.5 v ambient temperature t a -40 105 oc
preliminary datasheet off-line primary si de regulation controller for dimmable led driver ap1681 jul. 2011 rev. 1. 2 bcd semiconductor manufacturing limited 6 electrical characteristics v cc =15v, t a =25c, unless otherwise specified. parameter symbol conditions min typ max unit uvlo section start-up threshold v th (st) 16.5 19 21.5 minimal operating voltage v opr (min) after turn on 7.2 9 10.8 v standby current section start-up current i st v cc =v th (st)-0.5v, before start up 1.7 10 operating current i cc static 700 900 1100 a drive output section output high level voltage v oh i gd-source =20ma v cc =12v 8 v output low level voltage v ol i gd-sink =20ma v cc =12v 1 v output voltage rise time t r c l =1nf 120 220 320 ns output voltage fall time t f c l =1nf 30 50 90 ns output clamp voltage v o-clamp i gd-source =5ma v cc =20v 11 13 15 v uvlo saturation voltage v uvlo v cc =0 to v cc?on i sink =10ma 1 v maximum switch on-time t onp_max 16.5 s dim input section voltage gain to ri ? v ri / ? v dim -1.2 -1.1 -1.0 internal source current 11 20 35 a reload threshold 0.8 1 1.25 v rd and ri section rd pin voltage v rd 1.3 1.5 1.75 v maximum rd current 150 a maximum ri current 250 a current sense section current sense voltage v cs 450 500 560 mv maximum cs current v dim =0 120 a leading edge blanking 600 ns
preliminary datasheet off-line primary si de regulation controller for dimmable led driver ap1681 jul. 2011 rev. 1. 2 bcd semiconductor manufacturing limited 7 electrical characteristics (continued) v cc =15v, t a =25c, unless otherwise specified. parameter symbol conditions min typ max unit feedback input section cv feedback threshold v fb-cv 3.0 4.0 5.0 v fb pin input leakage current i fb v fb =4v 1.0 2 3.0 a acceleration start threshold 1.35 1.75 2.15 v over voltage protection v fb-ovp 6.5 8 9.5 v over temperature protection section shutdown temperature 140 o c temperature hysteresis 20 o c typical performance characteristics figure 4. start-up voltage vs. ambient temperature figure 5. minimal operating voltage vs. ambient temperature -40 -20 0 20 40 60 80 100 120 18.0 18.2 18.4 18.6 18.8 19.0 start-up voltage (v) ambient temperature ( o c) -40 -20 0 20 40 60 80 100 120 8.5 9.0 9.5 10.0 minimal operating voltage (v) ambient temperature ( o c)
preliminary datasheet off-line primary si de regulation controller for dimmable led driver ap1681 jul. 2011 rev. 1. 2 bcd semiconductor manufacturing limited 8 typical performance characteristics (continued) figure 6. start-up current vs. ambient temperature figure 7. operating current vs. ambient temperature figure 8. operating curre nt vs. supply voltage figure 9. current sense voltage vs. supply voltage -40 -20 0 20 40 60 80 100 120 1.4 1.6 1.8 2.0 2.2 start-up current ( a) ambient temperature ( o c) -40 -20 0 20 40 60 80 100 120 800 820 840 860 880 900 920 940 operating current ( a) ambient temperature ( o c) 0 5 10 15 20 25 30 0 100 200 300 400 500 600 700 800 900 1000 operating current ( a) supply voltage (v) 20 22 24 26 28 30 460 480 500 520 540 current sense voltage (mv) supply voltage (v)
preliminary datasheet off-line primary si de regulation controller for dimmable led driver ap1681 jul. 2011 rev. 1. 2 bcd semiconductor manufacturing limited 9 typical performance characteristics (continued) figure 10. current sense voltage vs. figure 11. cv feedback threshold vs. ambient temperature ambient temperature figure 12. cv feedback threshold vs. figure 13. over voltage protection vs. supply voltage ambient temperature -40-20 0 20406080100120 3.8 3.9 4.0 4.1 4.2 4.3 4.4 cv feedback threshold (v) ambient temperature ( o c) -40 -20 0 20 40 60 80 100 120 8.0 8.1 8.2 8.3 8.4 8.5 8.6 8.7 8.8 8.9 9.0 over voltage protection (v) ambient temperature ( o c) 20 22 24 26 28 30 3.6 3.7 3.8 3.9 4.0 4.1 4.2 4.3 cv feedback threshold (v) supply voltage (v) -40 -20 0 20 40 60 80 100 120 470 480 490 500 510 520 530 current sense voltage (mv) ambient temperature ( o c)
preliminary datasheet off-line primary si de regulation controller for dimmable led driver ap1681 jul. 2011 rev. 1. 2 bcd semiconductor manufacturing limited 10 typical performance characteristics (continued) figure 14. fb input leakage current vs. figure 15. output clamp voltage vs. ambient temperature supply voltage figure 16. rd pin voltage vs. ambient temperature -40 -20 0 20 40 60 80 100 120 1.0 1.5 2.0 2.5 3.0 fb input leakage current ( a) ambient temperature ( o c) -40-20 0 20406080100120 1.45 1.50 1.55 1.60 1.65 1.70 rd pin voltage (v) ambient temperature ( o c) 20 22 24 26 28 30 10 11 12 13 14 15 output clamp voltage (v) supply voltage (v)
preliminary datasheet off-line primary si de regulation controller for dimmable led driver ap1681 jul. 2011 rev. 1. 2 bcd semiconductor manufacturing limited 11 typical application ap1681 + + + ~ ~ 120vac 60hz dimmer ee16 l=4.5mh 47nf 1a/600v 22nf v rec 470k 560k 3.3k 1nf 560k 0.47 f bav20 inv mult cs zcd gnd vcc dim fb cs gnd out vcc 47k 11t 3n60 47 100pf 630v v bus 6.8 f 350v rd ri comp gd ee16 l=1.43mh 115t 2r ap1661 330nf 16k 680k 680k 680k 330k 330k bav20 47k 14t =0.3 10k 220k 270k 0.47 f 2.2nf 630v 68k 95t 0.16 3 sr 3a/150v 220 f 35v 19t =0.4 tiw 27k v out fr105 ef20 l=2.54mh 4n60 100 3.0k 1.3r y2 1.5nf 3kv 100k 16k 1 f 0.47 f 51k 100k ap1681 led application: dimmable led driver input: 120vac/60hz 18w power output: 8 leds, 26v load 5.0ma to 550ma 32 v open figure 17. typical application of ap1681
preliminary datasheet off-line primary si de regulation controller for dimmable led driver ap1681 jul. 2011 rev. 1. 2 bcd semiconductor manufacturing limited 12 mechanical dimensions soic-8 unit: mm(inch) r0.150(0.006)
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 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 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

▲Up To Search▲

Price & Availability of AP1681M-G1

	To Download AP1681M-G1 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .