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industrial & multimarket data sheet version 1.0, 2011-05-19 icls6021j icls6022j icls6022g ICLS6023J off-line led current mode controllers with integrated 650 v co o l mos? & startup cell icls6x series led system driver ics http://
edition 20 11- 05 -1 9 publishe d b y infine on tec hnologie s ag 81 726 m unich, ge rmany ? 20 11 in fineo n tech nologies ag all r i ghts reserved. leg a l di sc la ime r t h e in fo r m a t io n giv e n in th is do cu me nt sh all in no e v e n t be r ega rd ed as a gu ar antee of con d ition s or char acter i stics. wi th r e spe c t to a n y examp l es or h i nt s g i ve n he re in, a n y typical valu es st ate d her ein a n d / o r an y infor m atio n re gar din g th e ap plication o f the d e vice , infine on t e chn o lo gies he reb y d i sclai m s a n y a nd a ll war r anties and liabilities of any k i nd, including witho ut limit ation, warranties of non-infrin gement of intellectua l property right s of any th ird p a rty . information for fu rthe r infor m a t io n on techn o log y , d e liver y ter m s a nd con d itions an d pr ice s , ple a se co nt a c t th e ne ar est infineo n t e chno log i es of fice ( ww w. infi neon.com ). warnings due to te chnical r equ ire m en t s , comp one nt s m a y co nt ain d a n ger ou s sub s t a nces. fo r infor m a t io n on the type s in qu estio n , plea se co nt act the nea re st i n f i ne on t e c h n o lo g i es of fice . infineon technologies compon ents may be used in life-su pport devices or systems only with the express written approval of infineon technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system or to affect the safe ty or effectiveness of that de vice or system. life support devices or systems are intended to be implanted in the hu man body or to support an d/or maintain and sustain and/or protect human life. if they fail, it is reasonable to assume that the health of the user or other persons may be endangered.
led system driver ics icls6x series data she e t 3 ver s io n 1.0, 201 1- 05- 19 tra d ema r ks of in fineo n t ech nologies ag aurix?, c166?, canpak?, ci pos?, cipurse?, econop ac k?, coolmos?, coolse t?, corecontrol?, crossave?, dave?, easypim?, econob ridge?, econ odual?, econopim?, ei ce d r i ver? , eup ec ?, fc os?, hitfet?, hybri d pack?, i2 rf ?, isoface?, isopack?, mipaq?, modstack ?, my-d? , novalithic? , optimos? , or i g a? , pr imario n? , prim epack?, primestack?, pr o-sil?, pr ofet? , rasic ?, r e v e rsav e? , satric?, sieget?, sindrion ?, sipmos? , smartlewis?, solid f lash?, tempfe t?, thinq!? , tr ench stop? , tricore?. ot her tr ade m ark s advanc e design sy stem? (ads ) of agilent te chnologies, a m ba ?, arm?, multi-ice?, keil?, primecell?, realview ?, thumb?, visio n? of arm limite d, uk. autosar? is licensed by autosar de ve lopm ent pa rtne rship . blu e tooth? of bluetoo th sig inc. c a t-iq? of d e ct forum. colossus? , fir s tgps? o f tr imb l e navigation ltd. em v? of emvc o, llc (visa holdings in c.). epcos? of epcos ag. flexgo? of microsoft corp oration. flexray? is licensed by flexray consortium. hyperte rminal? of hilgraeve incorporated. iec? of c o mmission electrot ec hnique internationale. irda? of infrared d a ta asso cia t io n co rp or ation . iso? of international organiza tion for standa rdization. matlab? of m a thw o r ks, in c. m axim ? of ma xim in te gr at ed pro d u c t s, i n c . m i cr ot ec? , nu cl eus? of m e nt or gr ap h i cs corporation. mifare? of nx p . mipi? of mipi alliance, inc. mips? of mips technologi es, inc., u sa. murata? of mur a ta manufactu ring co., micr owav e offi ce? ( m wo) of ap pl i e d wa ve re se ar ch in c. , omn i visio n ? of omnivision techn o lo gies, inc. ope n wave? o p enwav e sy stems inc. red h a t? red h a t , inc. rfmd? rf mic r o devices, i n c . siri us? of s i rius sate ll it e r a dio i n c . solari s? of sun mic r osyst ems, inc. spansion? of spa n sion ll c ltd. symb ian? o f sy m b ian softwa r e l i mite d. t a iyo y uden? of t a iyo yu den co. tea k lite ? of ceva, inc. t ektronix? of tektroni x inc. toko? of toko kabus h iki kaisha ta. unix? of x/op en comp any l i mited . ve rilog?, pa lladium? o f cade nce de sig n systems, inc. vlynq? of texas instruments inco rporated. vx works?, wind r i ver? of w i nd river systems, inc. zetex? of diode s ze te x l i mited. la st tra d e m ar ks upda te 2 0 1 1 -0 2- 24 revision hist ory page o r it em su bject s (ma j o r cha nges s i n ce pr evious revis i on ) vers io n 1 . 0, 2 011 -0 5- 19 ne w ics ad ded : icls60 22g a n d icls60 23 j vers io n 1 . 0, 2 010 -0 8- 10 first edition
led syst em driver ics icls6x series table of contents data shee t 4 ver s io n 1.0, 201 1- 05- 19 ta ble of cont ent s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 list of figur es . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 list of ta bles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 curre nt m ode cont rollers wit h in te grat ed 6 5 0 v st ar tup cell/dep l e t ion coolmos? . . . . . . . . . 7 1 p in co nfigur at ion a nd fun ction a lit y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1.1 p in conf iguration for pg-dip-8-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1.2 p g - di p-8-6 pack age . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1.3 p in conf iguration for pg-dso -16/ 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.4 p g - dso - 16/12 pac kage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.5 p in funct i onalit y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2 b lock diagra m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 3 f u n ct io nal de scr ip tion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.1 i ntroduc t ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.2 p ower management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.3 s tart up phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 3.4 p wm sect ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 3.4.1 o sc illator and j i ttering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 3.4.2 p wm lat ch ff1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 3.4.3 g ate driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 3.5 c urrent limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 3.5.1 l eading edge blank i ng . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 3.5.2 p ropagat i on delay compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 3.6 c ont r ol unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.6.1 a djust a ble blanking window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.6.2 p rotection modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.6.2.1 a ut o res t art mode during start u p . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.6.2.2 a ut o res t art mode during run mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 3.6.2.3 f loating load prot ec tion (flp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 4 e lect rica l char act erist i cs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 4.1 a bsolute maximum r a t i ngs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 4.2 o perating range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.3 c harac t erist i cs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.3.1 s upply section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.3.2 i nternal v o ltage reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 4.3.3 p wm section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 4.3.4 c ontrol unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 4.3.5 c urrent limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 4.3.6 c oolmos ? s e ct ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 5 t emperature derating curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 6 o utline dime nsions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 6.1 o utline dimensions of pg-dip-8-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 6.2 o utline dimensions of pg-dso -16/ 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 7m a r k i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ta ble of cont ents
led syst em driver ics icls6x series list of figures data she e t 5 ver s io n 1.0, 201 1- 05- 19 figu re 1 t ypical ap plication o f icls60 2xx con t r o lle rs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 figure 2 p in configurat ion of pg -dip-8-6 (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 f i g u r e 3 p in co n fig ur at ion o f pg - d so -1 6/ 12 ( top v i ew ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 figure 4 b lock diagram of ic ls602xx cont rollers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 figure 5 p ower management of i c ls 602x x controllers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 figure 6 s oft start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 figure 7 s t a rtup phas e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 figure 8 p wm sec t ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 figure 9 g at e driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 figure 10 current limit ing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 11 leading edge blanking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 f i g u r e 12 pe ak cu rr e n t ov er sh oo tin g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 13 o vercurrent shut down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 figu re 1 4 dyn a mic vo ltage thr e sho l d v cs th . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 figure 15 adjus t able blanking window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 figure 16 auto rest art mode during s t artup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 figure 17 auto rest art mode during r un mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 figure 18 safe o p erating area (s oa) curv e for i c ls6021j . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 figu re 1 9 safe op er ating ar ea ( s oa) cur v e for icls6 022 j a nd icls6022g . . . . . . . . . . . . . . . . . . . . . . . . 29 figure 20 safe o p erating area (s oa) curv e for i c ls6023j . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 f i g u r e 21 so a t e m p er at ur e de ra tin g co ef ficie n t cu rv e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 figu re 2 2 pg- d ip- 8 -6 (pb- free lead p l ating p l astic du al inlin e out line) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 figure 23 pg -d so-16/12 (plastic dual inline) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 figure 24 marking for i c ls602xx c o ntrollers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 list of figures
led syst em driver ics icls6x series list of tables data shee t 6 ver s io n 1.0, 201 1- 05- 19 table 1 pin configurat ion for pg -di p -8-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 table 2 pin configurat ion for pg -dso -16/12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 t a ble 3 pr ot ec tion m o de s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 list of tables
led syst em driver ics icls6x series data she e t 7 ver s io n 1.0, 201 1- 05- 19 current mode controllers with integrated 650 v startup cell/depletion coolmos? product highlights ? constant power ? a djustable blanking window for high -load jumps to increase reliability ? f requency jittering for low emi ? pb-free lead plati ng, rohs-compilant fea t u r es ? f r equ en cy jitte ring fo r low emi ? c onstan t po we r ? 6 5 0 v a v a l an ch e- ru gge d co olmos? wit h built-in s witc h able s t artup cell ? 6 7 khz fixed switchin g freq ue ncy ? a uto restart mod e for o v e r temp er atur e de te ction ? a uto restart mod e for o v e r voltag e de te ction ? a uto restart mod e for o v e r lo ad an d op en loo p ? a uto restart mod e for vcc u nde rvoltag e ? f lo ating l oad pr otection ( f lp) m ode in th e ca se o f o pen lo ad s ? u se r- de fin ed soft star t ? m in imum n u mb er o f exter nal comp on ents r e q u ir ed ? m a x im um du ty cycle of 75 % ? o verall tolerance of current limiting < 5 % ? i nter nal le adin g edg e bla n king ? b icmos techno log y prov ides a wide vcc range
led system driver ics icls6x series data she e t 8 ver s io n 1.0, 201 1- 05- 19 desc ription icl s 6x serie s co ntro ller s e m plo y a fixe d- fr eq uen cy o p e r a tio n m o de op tim i ze d for of flin e l e d lig ht ing . t h e in te gr at ed co ns ta nt p o w er fu nc tion (p a t e n te d by i n fi neo n te cholo g ies ag) a nd th e fr equ ency jitte r ena ble high performanc e without inve stment of too much effort in stabilization of the s ystem and filtering in terms of emc. a wide vc c range up to 26 v is provided by us e of bicmos technology to cover changes in the auxiliary supply voltage if a cv/cc r e g u latio n is imp l eme n ted o n the second ar y side . auto restar t mod e is en te re d in the ca se of ove r temp er atur e, vcc o v e r volta ge, o u tput o pen loo p o r o v e r lo ad and vcc u n d e rvo l ta ge. if an op en load eve n t occur s , the de vi ce ente r s the so -calle d f l oatin g l oad pro t e ctio n ( f lp) mod e to pr otect the led a gain s t destru c tion . the d i men s io ns of th e tr ansfor m er an d th e seco nda ry d i ode can be re duce d owing to the in te rn al pr ecise p e a k cur r en t lim ita t io n to yie l d gr eater cost efficie n cy. figure 1 ty pic a l applica t ion of icls6x se rie s con t ro ller s ty pe pa cka ge ma rking v ds f osc r ds o n 1) 1) typ. @ t = 25 c 2 3 0v a c 1 5% 2) 2) calculated maxi mu m in put p o wer rating a t t a = 8 0 c, t j = 125 c an d w i thout coppe r a r e a as h eat sink 1 1 0v a c 1 5% 2) icls6 021 j p g-dip- 8- 6 i cls6 021 j 6 5 0 v 6 7 khz 6.4 5 ? ? ? ?
led syst em driver ics icls6x series pin conf igura t ion an d f unct i onality data she e t 9 ver s io n 1.0, 201 1- 05- 19 1 p in configuration and functionality 1.1 p in configuration for pg-dip-8-6 1.2 p g-dip-8-6 package figure 2 pin c onf ig urat ion of pg- d i p -8 -6 ( t o p v i e w ) tab l e 1 pin con f igura t ion f o r pg- d ip-8 -6 pin s ymbol fun ction 1 s ofts soft star t 2 f b f e edb ack 3 c s c ur ren t sen se / 65 0 v 1) depletion coolmos sou r ce? 1) @ t j = 110 c 4d r a i n 6 5 0 v 1) dep letion co olmos sou r ce? 5d r a i n 6 5 0 v 1) dep letion co olmos sou r ce? 6 n .c. n o t co nn ec te d 7 v cc contr o ller su ppl y voltage 8 g nd contr o ller groun d 1 6 7 8 4 3 2 5 gn d so f t s fb cs vc c n. c dr a i n drain
led syst em driver ics icls6x series pin configuration and functionality data she e t 1 0 v er sio n 1.0, 201 1- 05- 19 1.3 p in configuration for pg-dso-16/12 1.4 p g-dso-16/12 package figure 3 pin c onf ig urat ion of pg-dso- 16/12 ( t op view) tab l e 2 pin con f igura t ion f o r pg- d so-1 6/12 pin s ymbol fun ction 1 n .c. n o t co nn ec te d 2 s ofts soft star t 3 f b f e edb ack 4 c s c ur ren t sen se / 65 0 v 1) depletion coolmos sou r ce? 1) @ t j = 110 c 5d r a i n 6 5 0 v 1) dep letion co olmos sou r ce? 6d r a i n 6 5 0 v 1) dep letion co olmos sou r ce? 7d r a i n 6 5 0 v 1) dep letion co olmos sou r ce? 8d r a i n 6 5 0 v 1) dep letion co olmos sou r ce? 9 n .c. n o t co nn ec te d 10 n.c. not connec ted 11 vcc c ontr o ller su ppl y voltage 12 gnd c ontr o ller gr oun d 10 11 12 9 vc c s o fts fb cs n. c n.c gn d n.c . dr a i n dr a i n 8 7 3 2 1 4 dr a i n dr a i n 5 6
led syst em driver ics icls6x series pin conf igura t ion an d f unct i onality data she e t 1 1 v er sio n 1.0, 201 1- 05- 19 1.5 p in functionality soft s (so f t s t a r t, aut o res t a r t & fre que ncy jitt e ring co ntr o l) the softs pi n com b ine s the so ft star t function du rin g st ar tu p a n d the er ro r detection function for auto r e s t art mod e . the s e fun ctio n s a r e im plem ented and can be ad justed by mea n s of a n exter nal capa cito r at th e softs pin conn ecte d to gr ou nd . this cap a citor also pr ovide s an ad ju sta b le bla n king windo w for hig h load jum p s b e for e the ic ente r s au to restar t mod e . in ad dition , th is pin is al so u sed to co ntrol the pe rio d of fre que ncy jitterin g und er normal loads . fb ( f eedb ack ) the in fo rm ation on the r e g u lation is pr ovide d b y the fb pi n to th e inter n a l pr otection u n it a nd to th e inter nal pwm comp ara t or to contr o l th e du ty cycle. in the e vent of a n op en loa d even t, the de vice e n ter s the flo a ting l oad pr ot ec tio n ( f lp) m o de . cs ( c urr e nt s e ns e) the cu rr en t sen s e pin se nses th e voltag e de ve lop ed o n th e series resis t or inserted into the source of the in te gr at ed d e p le tio n co olm o s?. if cs re ac he s t h e in te r nal thr e shol d of the cur r e n t limit com par ator , the d r iver ou tp ut is immed i ately switch ed o f f. th e cu rr en t infor m at ion is p r o vid ed to th e pwm c o m p ar at or t o re aliz e th e curr en t mo de. drain (dr a in of int e gra t e d deplet ion co olmos?) t h e dr ain p i n pr ov ide s t h e c o n n e ct i on t o t he dr ain of th e inter n a l d e p l etion coo l mos?. vcc (p owe r s upp ly ) the vcc pin is the positive supply of th e ic. the o per ating r a n ge o f the supp ly is betwee n 10.3 v an d 26 v. gnd ( g ro und) the gnd pin is the comm on gr ou nd o f the con t r o lle r.
led syst em driver ics icls6x series block diagram data she e t 1 2 v er sio n 1.0, 201 1- 05- 19 2 b lock diagram figure 4 blo ck diagr a m of icls6x ser i e s con t rollers current mode control leading edge blanking propagation delay compensation pwm comparator startup cell gate drive soft start power management voltage reference power down reset internal bias control unit auto restart flp protection otp ovp ocp olp gnd cs drain vcc uvlo 5 v ss fb icls602xx
led syst em driver ics icls6x series func tiona l des c ript io n data she e t 1 3 v er sio n 1.0, 201 1- 05- 19 3 f unctional description all valu es used in th e fun ctio nal descrip tion ar e ty pical valu es. when calcula t ing the wor s t ca ses, the minim i um/ma x im um value s listed in elec trica l char act eris tics o n pag e 24 h a ve to be con s id er ed. 3.1 i ntroduction for icls6x se rie s contr o ller s, a h i gh voltag e star tu p ce ll is in te gr ated into th e syste m ic, which i s switch ed off on ce the u nde rvoltag e lockout- on th re sh old o f 18 v is exceed ed . this star tup cell is pa rt o f the integ r a t e d de pletion coolm o s?. t he exter nal sta r tup r e sisto r is no lo nge r ne ce ssar y a s th e sta r tup cell is conn ected to th e d r a i n, re su lting in r edu ce d po we r losses. t h is in cr ea se s th e e f ficien cy und er lig ht load co ndition s d r a s tically. t h e so ft st ar t cap a cito r is als o u sed fo r pr ov idin g a n ad justable b l anking wind o w for h i gh loa d ju mps. th e over load de te ction fu nction is disa bled dur ing th is win dow. with thi s con c e p t, n o fur t h e r exte rn al comp on ents ar e ne ce ssa r y to adju s t the bla n king wind o w. an auto restar t m ode is imp l eme n ted in the ic to red u ce the aver age power conver sion in th e eve n t of malfun ction or u n safe op er ating con d ition s in the l e d dr ive s. th is featur e incr ease s the system?s ro bu stne ss an d sa fe ty, wh ich would o t h e r w i s e le ad to a de str u cti on of th e led dr ive . on ce th e malfun ctio n is cor r e c ted , n o rm al op era t ion is automatically initiated af ter th e next star tup ph ase. together with the soft s t art c a pac i tor, th e feed ba ck can a l so se nse a missin g load, which leads to rising output and auxiliary v o ltages . this triggers the floating load protection (flp) mo de. when feedback fal l s below 1.35 v, the soft star t voltage b e g i ns to rise up to a thr e shold o f 4 v (de p e nds on the c4 va lue ) and the ic is switched in to flp mo de. the pre cise in te rn al pe ak cu rr ent limitation r e d u ces th e costs fo r the tr ansfor m er a n d the se co nda ry dio de. the influe nce of the cha nge in the in put vo lta g e on the p o wer limita t io n ca n be avoid ed toge th er with th e integr ated pro pag ation de lay co mpe n sation cir cuit. con s e q u ently , the maximu m po we r is pr actica lly in dep en den t o f the inp u t voltag e r e q u ire d fo r wid e r a n ge led dr ives. the r e is no n eed for ad dition al o v e r sizing of the led d r ives ? e.g., for th e tr an sfo rme r or th e se co nd ary dio de.
led syst em driver ics icls6x series functional description data she e t 1 4 v er sio n 1.0, 201 1- 05- 19 3.2 p ower management figure 5 powe r mana gemen t of icls6x se rie s contro ller s the u nde rvoltag e locko u t fun c tion mo nitor s the extern al su pply vo lta g e v vc c . when the led d r ive is conn ected to the main line, the internal star tup ce ll is bia sed an d sta r ts to ch arg e the e x ter n a l ca pacitor c vc c , which is connec ted to th e vcc pin. the vcc cha r ge cu rr ent th at is pr ovide d by the star tu p ce ll fr om th e dr ain p i n is 1.05 m a . if v vcc exceed s the on- thr e shold v ccon ( = 1 8 v) , th e bia s cir c u i t is switched on. th en the star tup cell is switched off b y the un der voltage locko u t; the r e f o r e n o powe r losses are pre sent du e to th e co nne ctio n of th e sta r tup cell to the dr ain voltage . an h y ster esis lo op is imp l em e n ted to avo i d un co ntro lled r i ng ing a t sw i t ch-on. swit ch-off of the c o ntroller can on ly take pla ce afte r the ac tive mod e has be en en tere d an d v vcc has fallen below 10.3 v . the m a ximum cur r ent co nsump t ion be fo re th e co ntro ller is acti va te d is a bou t 30 0 a. if v vc c falls below the off-threshold v ccof f ( = 1 0 .3 v), th e bia s circuit is switch ed off and a power -d own r e set ca uses dischar gin g of th e so ft- sta rt ca pacitor c sof t s at p i n s o ft s via t 4 (s ee figure 5 ). thi s en su re s i n e v e r y st a r t up c yc l e that th e voltage r a m p at th e softs pin star ts at zer o . the bias circ uit is switc h ed off if auto res t art mode is en te re d. the curr en t co nsump t io n is the n re du ce d to 3 0 0 a. o n c e th e m a lf un ct ion c o n d i tion is resolved, this block w ill then turn ba ck on. the recovery fr om au to re st ar t mo d e do es n o t req u ir e disconn ection of th e led dri v e fr om the ac lin e. internal bias voltage refer ence p ow er m anagem ent 5v vc c under v ol t age loc k out 18 v 10 . 3 t1 p o we r - d o wn re s e t softs auto r e s ta r t m ode s t artup cell drain
led syst em driver ics icls6x series func tiona l des c ript io n data she e t 1 5 v er sio n 1.0, 201 1- 05- 19 3.3 s tartu p phase figure 6 sof t st art at the be ginn ing of th e star tup ph ase, the ic pr ovide s a soft sta r t p e riod during whic h it con t rols th e maximu m primary current by means of dut y cycle limitation. a capacitor c sof t s in c o mbination with the inter nal pu ll-u p re sistor r sof t s de te rm in es th e du ty cyc le un til v soft s e x ceeds 3.2 v . when th e soft star t b egin s , c sof t s is im med i ately ch ar ged up to a ppr ox. 0. 8 v by t2. the so ft sta r t ph ase takes pla c e be twe en 0.8 v an d 3.2 v . ab ove v sof t s s = 3.2 v ther e is no lon ger a n y du ty cycle lim ita t io n dc max th at is contr o lled b y the comp ara t or c7 sin c e th e co mpa r ator c2 b l ocks th e gate g7 ( see figure 7 ). this maximu m char ge cur r e n t in th e ve ry fi rst stage whe n v sof t s is below 0.8 v is limited to 0.9 m a. figure 7 sta r tu p phas e soft -s ta r t c o m p ar a t or so f t st a r t & g7 c7 c so fts r s o fts t2 3. 25k
led syst em driver ics icls6x series functional description data she e t 1 6 v er sio n 1.0, 201 1- 05- 19 as a co nseq uen ce o f th is extra cha r ge stage , ther e is no de lay a t the be ginn ing of the star tu p p h a s e whe n the r e is still no switc h ing. fu rthermore, soft s t art is finished at 3.2 v to have maximum powe r c a pability ev en earlier. the dut y cy cles dc 1 an d dc 2 va ry accor d in g to the main s a nd th e pr ima r y ind u cta n ce o f the tr an sfo rme r. th e limitation of th e pr imar y cur r e n t by dc 2 is related to v sof t s = 3.2 v . however, dc 1 is re lated to a maxim u m pr ima r y cu rr ent, which is limited by the internal cu r r ent limiting function with cs = 1 v. th er efor e the maximu m sta r tup pha se is divide d into a soft star t p hase u n til t1 an d a p h a s e fr om t1 to t2 dur ing wh ich maximu m po we r is pr ovide d if de man ded b y the f b sign al. 3.4 p wm section figure 8 pwm s e c t ion 3.4.1 o scillator and jittering the oscillator generates a fix ed frequenc y with fr equency jittering of 4 % from the fix e d frequency (i.e., 2 .7 k h z for 67 khz) at a jitte ring per iod t fj . th e switching fr eq uen cy is f sw it ch = 67 kh z. a r e sisto r , a capa cito r, a cu rr en t sou r ce an d curr en t sink fo r de term ining th e freq ue ncy ar e in te gr ated. the charging and dis charging c u rr ent of the impl emented os cillator capacitor ar e internally trimmed in order to achiev e a ver y accur a te switchin g fr equ ency. the ra ti o of con t r o lle d cha r g e to d i sch a r ge cu rr ent is a d justed to re ach a maximum duty c ycle limitation of d max =0 . 7 5 . o n c e th e so ft st ar t pe r i od is ov er an d t h e ic h a s en te re d n o r m a l m o de , th e sof t st ar t ca pa cit o r is ch ar ge d a n d dischar ge d th ro ugh the inte rna l cur r e n t sou r ce i fj to ge ner ate a tr ian gula r wavefor m with a j i tter ing pe rio d t fj , which is e x ter n a lly ad justable b y me an s of th e soft sta r t ca pa citor , c sof t s (se e figure 6 ). (1 ) wher e k fj is a co ns ta nt = 4 m s / f. for examp l e: t fj = 4 ms if c sof t s = 1 f. oscillator dut y cy c l e ma x ga te d r i v e r 0.75 clock & g9 1 g8 pwm s e c t i o n ff 1 r s q ga t e s o ft s t a r t c o m p ar at o r pw m c o m p ar at o r cu r r e n t li m i t i ng frequency jitte r softs sof t s fj fj c k t
led syst em driver ics icls6x series func tiona l des c ript io n data she e t 1 7 v er sio n 1.0, 201 1- 05- 19 3.4.2 p wm latch ff1 the osc illator clock output provides a s e t pulse to the pwm latch w h en initiating the internal coolmos? cond uctio n . after b e ing se t, th e pwm la tch can be r e set by the pwm comp ar ator , the soft sta r t co mpa r a t o r or the cu r r e n t lim it c o m p ar at or . i n r e set t in g situ at ion s th e d r iver is sh ut d o wn im m e dia t e l y. 3.4.3 g ate driver the ga te drive r is a fast to te m po le ga te dr ive desig ned to avoid cr oss co ndu ction curr en ts. it is active low at voltage s b e low th e un der voltage locko u t th resh old v vc cof f . figure 9 ga te dr iv er vc c 1 p w m lat c h d epl . c ool m o s ? gate driver ga te
led syst em driver ics icls6x series functional description data she e t 1 8 v er sio n 1.0, 201 1- 05- 19 3.5 c urrent limiting figure 1 0 c urre nt limit i ng cy cle-by-c ycle current limiting realiz ed b y th e cu rr ent lim it co mpa r a t o r c1 0 to pro vide over cu rr en t d e tection (see figure 1 0 ) . the so ur ce curr en t of th e in te gr ated dep letion co o l m os? is se ns ed by me a n s of an exte rn al sen s e res i stor r sense . by m ean s of r sense the source cu r r e n t is tr ansfor m ed to a se nse voltag e v sens e whic h is fed to the c s p i n . i f v sen s e exce ed s the inter n a l thr e sho l d vo lta g e v cs th the comp ar ator c10 im med i ately tur n s off the ga te dr ive by re se ttin g the pwm latch ff 1. a pr op aga tio n dela y com pen sa tion circu i t is ad ded to su pp ort imm edia t e shutdo wn witho ut d e lay of the in te gra t ed inter n a l coo l mos? in the case of cur r e n t lim itin g. t he influe nce of the ac in put vo lta g e o n th e ma ximu m ou tp ut p o wer ca n be sup p re sse d as a resu lt. to pr event the curr en t limiting fu nctio n fr om cau sing d i sto r tion s by lea d ing ed ge sp ike s, a le adin g ed ge blanking circuit is integrat ed into t he cur r e n t se nse path for th e co mpa r a t o r c10 a nd the pwm op. cu r r ent li m i t i ng c10 pr opagat i on d el ay c om pens at i on v csth pw m lat c h ff1 10 k
led syst em driver ics icls6x series func tiona l des c ript io n data she e t 1 9 v er sio n 1.0, 201 1- 05- 19 3.5.1 leading ed ge blan king each time when the i n tegr ated inter n a l coolm o s? is switch ed on, a lead in g ed ge sp ike is gen er ated du e to the pr imar y-side cap a cita nces and secon d a r y-side rectif ier reverse recovery time . t h is spik e ca n ca us e th e ga te d r iv e to switch o f f un inten t io nal ly. to avoid pre m atu r e te rmin a tion of th e switchin g p u lse, th is s p ike is blanked out with a tim e c on sta nt o f t leb = 220 n s. during this time, the gate driv e will not be s witc h ed off. this is illustrated in figure 1 1 . figure 1 1 l e a ding ed ge blank i n g 3.5.2 p ropagation delay compensation in the case of o vercu rr ent detection, s witch-off of th e inte gra t ed inter n a l cool mos? is de layed d ue to the pr opa ga tio n d e la y of the circuit. th is dela y causes an over sh oot of the pe ak cur r e n t i peak , which de pen ds o n the ra tio of d i /dt of th e pea k cur r e n t (see figu re 12 ). figure 1 2 p ea k curr ent o ver shoo ting t h e ov er sh oo t of sig n a l2 is g r e a t e r th an t h a t o f s i gn al 1 d u e to th e steep er r i sin g wa ve form . this ch ang e in the slope var i es accord ing to the ac in pu t voltag e. a pro pag at ion delay compens a tion circuit is integrated to limit the over shoo t d epe nd ency on di/d t o f the risin g pr imar y cu rr en t. th is me an s tha t th e pr op aga tio n d e lay be twe en the time th e cu rr en t sense thr e sho l d v cs th is exceed ed an d switch- o ff of th e integr ated in er nal coo l mos? is comp ensated over tem per atur e with i n a wide r ang e. t v sense v cs t h t le b = 2 2 0ns t i sense i li m i t t propagati on d e l ay i o v er s hoo t 1 i peak 1 s i gnal 1 si gnal 2 i o v er s hoot 2 i peak 2
led syst em driver ics icls6x series functional description data she e t 2 0 v er sio n 1.0, 201 1- 05- 19 extr eme l y pr ecise curr en t limiting is now poss ible. for exam ple, i peak = 0.5 a with r sens e = 2 ? s ( t hat mea n s, dv sense /dt = 0.8 v / s), an d a p r op ag ation de lay time t pro pagation delay = 1 80 n s th en le a d s to an i peak ov er sh oo t of 1 4 . 4 % . with p r op ag a t io n de lay com pen sation the o v e r sho o t is on ly ab ou t 2 % (see fi g u re 1 3 ). figure 1 3 o v e rc urre nt sh utd o wn pro pag ation dela y co mpe n sation is r eali z e d by me ans of a dynam ic thr e sho l d voltag e v cs th ( see fi gu re 1 4 ). if the slope is st eeper, driv er sw itch-off take s place e a rl ier to comp ensate for th e dela y. figure 1 4 d yna m ic v o ltag e th resh old v cs th 0,9 0, 95 1 1, 05 1, 1 1, 15 1, 2 1, 25 1, 3 0 0 , 2 0, 4 0, 6 0, 8 1 1, 2 1, 4 1, 6 1 , 8 2 with c o m p ens a t i on without com pensation dt dv se n s e s v p se ns e v v t v csth v os c s i gnal 1 s i gnal 2 v sense p r opagat ion delay max. duty c y c l e off time t
led syst em driver ics icls6x series func tiona l des c ript io n data she e t 2 1 v er sio n 1.0, 201 1- 05- 19 3.6 c o n trol u n it the con t r o l un it conta i ns the function s fo r th e auto re star t an d floa tin g l o a d pr otection (f lp) mod e s. th e au to re st ar t m o de is co m b in ed w i th a n a d j us ta ble b l an kin g win do w, wh ich va rie s acc o r d in g to t h e va lu e of th e ex te rn al soft start capa cito r. the ic avoid s e n ter i ng in to eithe r of these two mo des acciden tally by mean s o f this ad justable bla n king wind o w. the win dow also pr ovides a ce rtain time d u rin g which over load detection is delayed. this delay is u seful for a p p lica t io ns that no rma lly work w i th a low current and occ a s i o nall y r equ ire a shor t dur ation of high current . 3.6.1 a djustable blanking window v sof t s swings between 3 . 2 v and 3.6 v a f te r the l e d drive ha s s e ttled and s2 is on w h ile s3 is off. this behavior is due to the fr equ ency jitte rin g f unction th at make s u s e of the soft sta r t pin . if over loa d occur s , v fb e x ce eds 4.5 v. the auto restart mode cannot be entered as the gate g5 is s t ill blocked by the comp arator c3. however, after v fb h a s exceed ed 4.5 v , th e switch s2 is op ene d a n d s3 is closed . t he exte rn al soft sta r t cap a cito r can then be fu r t h e r ch ar ge d by the in te gr at ed p u ll- up re sis t o r r sof t s thro ug h the switch s3 . t he com par ator c3 re lea s e s the ga te g5 once v sof t s ha s excee ded 4 . 0 v . this mea n s tha t auto restar t mo de cann ot b e en te re d dur ing the char gin g tim e of th e exte rn al ca pa citor c sof t s . figure 1 5 a djust a bl e blan king window c3 4.0 v c4 4. 5 v & g5 3. 0v s1 co n trol unit auto re s t a r t m ode r so f t s 5v s o fts fb f r equency jitter s2 s3
led syst em driver ics icls6x series functional description data she e t 2 2 v er sio n 1.0, 201 1- 05- 19 3.6.2 p rotection modes the ic p r o v id es se ve ra l p r o t e c tion fe atur es to incr ease th e le d d r iv e?s ro b u st ne ss a n d safety . the following table sh o w s th e p o ssib l e sys te m fa ilur e s an d th e co rr es po nd in g pr ot ec tion m o de s. 3.6.2.1 a u t o restart mode during startu p the vcc vo ltage is ob se rved by th e co m par ator c13 if 20 .5 v is exce ede d. the output of c13 is combined with bo th th e ou tp ut of c3 , which che c ks fo r v s o fts < 4 . 0 v , an d the o u tput of c4, wh ich ch ecks for v fb > 4. 5 v . t h er ef or e, ov er vo lta g e d e t e c t ion c a n o n ly b e active dur ing th e so ft sta r t ph ase (v sof t s < 4.0 v ) a nd if th e fb signa l is outside th e op er ating ran g e (> 4.5 v ). th is m ean s any small vo lta ge o v e r sho o ts of v vcc occurr ing du ring no rma l op era t ion can not tr igg e r the au to re star t mo de d u r i ng sta r tup . figure 1 6 a uto res t a r t mode during st art u p in order to ensure sys tem reliability and prev ent any false activ a tion, a blanki ng time is implemented before the ic ca n en te r au to re sta r t mo d e d u r in g st ar tu p. th e ou tp ut of th e vc c ov er vo lta g e de te ct ion circ uit is fe d in to a s p ik e bla n king with a tim e co nstant of 8.0 s. tab l e 3 prot ect ion mode s vcc over voltage auto resta r t mod e dur ing star tu p overtemperature a uto rest art mode during run mode overload auto restar t mode during run mode open loop auto restart mode during run mode vc c undervoltage auto re start mode during run mode floa ting lo ad pr otectio n (f lp ) f loa t in g lo ad pr otectio n mod e c3 sp i k e b l ank i ng 8. 0 us t her m al s h ut dow n t j > 140 c au to restart mode in ternal bias c ontrol unit c13 20 .5 v vcc c4 4.5v fb 4.0v softs & g12 & g13 ff 2 r s q uvlo
led syst em driver ics icls6x series func tiona l des c ript io n data she e t 2 3 v er sio n 1.0, 201 1- 05- 19 the othe r fau l t d e tection fu nctio n which ca n r e sult in the auto restar t m ode dur ing sta r tup and ha s the 8.0 s bla n king time is fo r o v e r temp er atur e de te ctio n. this b l ock che cks for a jun c ti o n temp era t ure of hig her than 14 0 c for ma lfu n ctionin g op er ation. on ce au to restar t mo de is e n ter ed, th e inter nal bia s is switch ed off in o r d e r to re du ce the cur r e n t co nsump t io n of the ic as much as possible . in th is mo de, th e aver ag e cu rr ent co ns um ption is o n ly 3 0 0 a as th e only wo rking blo c ks a r e th e re fe re nce blo c k and th e un de rvoltag e lo ckou t ( u vl o) , whic h c ont r o ls t h e star tup cell by switching on /o ff at v v cco n /v v ccof f . as there is no longer a self s u pply prov ided by the auxiliary w inding, v cc starts to drop. th e u v lo sw itches on the in te gr ated star tu p cell whe n vcc fa lls b e lo w 1 0 .3 v. it continu e s to char ge vcc up to 18 v, at which p o int it is switche d off a g a i n and th e ic ente r s th e star tup ph ase. o n c e a ll fa ult co nd itio ns ha ve be e n r e m o ve d, th e i c au to m a t i ca lly po we rs up a s us ua l wit h a swit ch ing cyc le a t the gate ou tput afte r the soft star t pe rio d ha s ela p sed ? h ence the n a me au to re star t m ode . 3.6.2.2 a uto restart mode during run mode in the case of over load or op en lo op, the fb vo ltage e xceed s 4 . 5 v , which is ob serve d by c4. at this time, the external sof t st art capacit o r ca n the n be furth e r ch ar ged by the integ r ate d pu ll-u p r e sisto r r sof t s via t h e swit ch s 3 (see figure 1 5 ). if v soft s exce eds 4 . 0 v , wh ich is obser ved b y c3, auto restar t m ode dur ing run mod e is activa te d as both in puts o f the g a te g5 a r e h i gh. figure 1 7 a uto res t a r t mode during run mode this ch arg i ng of the soft st a r t cap a citor from 3.2 v ~ 3 . 6 v to 4 . 0 v define s a blan king win d o w , which pr even ts the system fr om en te rin g au to restar t mod e d u r i ng run mod e u n inte ntiona lly du rin g la rg e l oad jum p s. in this event, fb w ill ris e clos e to 5.0 v for a short duration be fore the loop regulates fb to less than 4.5 v . in th e ca se o f v cc un de r volt a g e ? i. e. , vc c falls below 10.3 v, the ic is tu r ned o f f with th e sta r tup cell ch ar ging vc c as described earlier in this s e c t io n. once vcc is cha r g e d to ab ove 18 v, t h e i c st arts a new start u p cy cle. this bla n king time wind o w fo r th e flo a ting lo ad pr otection mo de can b e fo rced via the e xte rna l c sof t s capacit o r. 3.6.2.3 f loating load protectio n (flp) the circ uit starts up as usual, but a mis sing load le ads to a rise in the out put and auxiliary v o ltages. reachin g the vcc thr e sho l d of 24.5 v (voltag e divide r rd2/r4 a n d q2) le ad s to a re du ction in th e fe ed back voltage and hen ce to re duced outp u t cu rr ent pu lse s in or der to ke ep the outp u t vo lta ge b e low the m a ximum r a ting of th e comp one nts. if the fee dba ck level falls belo w 1 . 3 5 v, th e sof t st ar t v o lt ag e be g i n s to ris e up to a threshold of 4 v ( d e pen ds o n the c4 value ) an d th e ic is switch ed in to the f l p mod e . c3 4.0 v c4 4.5 v & g5 co n t r o l un it so fts intern a l bi a s au t o re s t a rt mode fb
led syst em driver ics icls6x series electrical characteristics data she e t 2 4 v er sio n 1.0, 201 1- 05- 19 4 e lectrical characteristics all voltag es a r e me asur ed in re sp ect to g r o und ( g nd, pin 8) . th e vo lta ge levels a r e valid if o t h e r r a tings ar e n o t violated . 4.1 a bsolute maximum ratings ab so lut e m a x i mu m r a t i ng s ar e de fin e d as r a t i ng s, wh ich when e x cee ded m a y le ad to d e struction of th e integr ated circuit. fo r the same r e a s o n , e n sur e that any ca pa cito r to b e co nne cte d to p i n 7 (vcc) is d i scha rg ed be fo re assemb ling the a pplica t io n cir cuit. parameter c ontroller s ym bol l imi t va lue s uni t remark s min. max. drain / so ur ce volta g e i cls6 02xx v ds ?6 5 0 v t j = 11 0 c pulse dr ain cur r e n t, t p limited by max . t j =1 5 0 c icls60 21 j i d_ puls1 ?1 . 6 a icls60 22 j i d_ puls2 ?2 . 3 a icls6 022 g i d_ puls3 ?2 . 3 a icls60 23 j i d_ puls4 ?6 . 1 a ava l an ch e en erg y, re petitive t ar limited by max. t j =1 5 0 c 1) 1) rep e tetive avala n che cau s e s a dditio nal po wer losses th at can b e calcul ate d as p av =e ar * f icls60 21 j e ar 1 ?0 . 0 0 5 m j icls60 22 j e ar 2 ?0 . 0 1 m j icls6 022 g e ar 3 ?0 . 0 1 m j icls60 23 j e ar 4 ?0 . 1 5 m j ava l an ch e cu rr en t, re petitive t ar limited by max. t j =150 c 1) icls60 21 j i ar 1 ?0 . 3 a icls60 22 j i ar 2 ?0 . 5 a icls6 022 g i ar 3 ?0 . 5 a icls60 23 j i ar 4 ?1 . 5 a vc c supply voltage i cls602xx v vc c -0 .3 27 v fb v o ltage i cls602xx v fb -0 .3 5 . 0 v softs voltage i cls602xx v sof t s -0 .3 5 . 0 v cs voltage i cls602xx v cs -0 .3 5 . 0 v junction temp er atur e i cls6 02xx t j -4 0 1 50
led syst em driver ics icls6x series elec tric al cha r ac te ris t ics data she e t 2 5 v er sio n 1.0, 201 1- 05- 19 4.2 o perating range the ic op er ates as d e scrib ed in the fu nctio n a l d e scrip ti o n on ce th e value s listed h e r e lie with i n the o per ating ra nge . 4.3 c h a racteristics 4.3.1 s u pply section the electrical cha r a c ter i sti cs in vo lve th e spr e ad o f va lu es gu ar a n t eed within th e specified su pply voltage and jun c tion tem per atur e ra nge t j fr om ? 2 5 c t o 13 0 c. t ypic a l va lue s r epr esen t the med i an valu es, which a r e re lated to 25 c . unless other wise stated , a su pply voltage of vc c = 18 v is ass u med. parameter symbol limit values unit remarks min. max. vc c supply voltage v vcc v v cco ff 26 v junction temp era t ure o f co ntro ller t jcon ? 2 5 13 0 c m ax . v a lu e limit ed d u e t o in te gr at ed th e r m a l sh ut do wn junction temp er atur e of coolm o s? t j c oolmos ?25 1 50 parameter s ymbol limit values unit remarks min. ty p. max . st ar tu p cur r e n t i v ccs tart ? 300 4 50 av v cc = 17 v vcc char ge cur r e n t i vccc harge 1 5.0 m a v v cc = 0 v i vccc harge 2 0. 55 1 . 0 5 1. 60 m a v v cc = 1 v i vccc harge 3 ?0 . 8 8 ? m a v v cc = 17 v le akage cu rr ent of th e st ar tu p ce ll & c o o l m o s? i startleak ?0 . 2 5 0 av dr a i n = 450 v at t j = 100 c supply current w i th inac tive gat e i vccs up1 ? 1 .7 2.5 m a so f t sta r t pin is ope n supply current w i th active gate i vccs up3 ?2 . 5 3 . 6 m a v sof t s = 3.0 v i fb = 0 supply current in auto r e s t art m o de wit h ina ctiv e ga te i v ccr est a rt ? 300 ? ai fb = 0 i sof t s = 0 supp ly cur r e n t in floa tin g load pr ot ec tio n ( f lp) m o de wit h inac tive gat e i v ccflp 1 ? 500 9 50 av fb = 2.5 v i sof t s = 3.0 v i v ccflp 2 ? 500 9 50 av cc = 11 .5 v v fb = 2.5 v i sof t s = 3.0 v vcc turn -o n thre shold vc c t u rn -o ff th re sh old vc c t u rn -o n/ of f h yst er es is v vc con v v cco ff v v cchy s 17 .0 9.6 ? 18 .0 10 .3 7.7 19 .0 11 .0 ? v v v
led syst em driver ics icls6x series electrical characteristics data she e t 2 6 v er sio n 1.0, 201 1- 05- 19 4.3.2 i nternal voltag e referen c e 4.3.3 p wm section parameter s ymbol limit values unit remarks min. ty p. max . t r im m e d r e fe re nc e v o lt ag e v re f 4. 90 5 . 0 0 5. 10 v m e a sur e d a t pin f b i fb = 0 parameter s ymbol l imit values unit remarks min. typ. max. fixed os cillator frequency f osc3 58 67 76 khz f osc4 62 67 74 .5 khz t j = 25 c fr equ ency jitter i ng r a n g e f de lta ? 2.7 ? khz t j = 25 c max. duty cycle d max 0.7 0 0.75 0.80 min. du ty cycle d min 0? ? v fb < 0.3 v pw m op gain a v 3.0 3 .2 3.4 max. level of volt age ramp v max-ramp ?0 . 6? v v fb op era t ing r ang e, m i n. le vel v fbm i n ?0 . 5? v v fb op era t ing r ang e, m a x. le ve l v fb max ? ? 4.3 v cs= 1 v limited by comparator c4 1) 1) t h is parameter is not su bje c t to p r oduction te sting a nd is verified by desi gn/characteriza ti on f e ed ba ck p u ll- up r e s i sto r r fb 91 4 2 2 k ? ?
led syst em driver ics icls6x series elec tric al cha r ac te ris t ics data she e t 2 7 v er sio n 1.0, 201 1- 05- 19 4.3.4 c o n trol unit note: t he tren d o f all th e voltag e le ve ls in the control u n it is the same re ga r d in g th e d e via tion ex ce pt vv cco vp. 4.3.5 c urrent limiting parameter s ymbol l imit values unit remarks min. typ. max. deactiva tion level for so fts comp ara t or c7 by c2 v sof t s c2 2.9 8 3.10 3.22 v v fb = 5 v clamped v s o fts vo ltage d u r i ng floa ting lo ad pr otectio n (flp) mod e v softsclmp_flp 2 . 88 3. 0 3 .1 2 v ac tivation limit of comp ara t or c3 v sof t s c3 3.8 5 4.00 4.15 v v fb = 5 v softs startup current i s o ft ss tar t ?0 . 9? m a v sof t s = 0 v over loa d dete c tion lim it for comp ara t or c4 v fbc4 4.3 3 4.50 4.67 v v sof t s = 4.5 v floa ting lo ad pro t e c tion le ve l for comp ara t or c5 v fbc5 1.2 3 1.35 1.43 v v sof t s = 4.5 v floa ting lo ad pro t e c tion le ve l for comp ara t or c6a v fb c 6 a 3.4 8 3.61 3.76 v aft e r f l oa tin g lo ad pr ot ec tio n mo de is enter ed floa ting lo ad pro t e c tion le ve l for comp ara t or c6b v fb c 6 b 2 . 88 3. 0 3 .1 2 v aft e r f l oa tin g lo ad pr ot ec tio n mo de is enter ed over voltage d e tection limit v vc covp 19.5 20.5 2 1 . 5 v v fb = 5 v , v sof t s = 3 v the r m a l sh utdo wn 1) 1) t he para m e t e r is not subje ct to p r oductio n test in g a nd is verified by de si gn/chara cteri za ti on t js d 13 0 1 40 15 0 c spike bla n king t spi k e ?8 . 0? s parameter s ymbol lim i t values unit remar k s min. typ. max. peak current limitation (inc l. pr opa ga tio n de lay time ) (see fig u re 1 3 ) v cs th 1.01 1.0 6 1.11 v d v sen s e / dt = 0.6 v / s (pg - d i p- 8- 6) 1.02 1.0 7 1.12 v d v sen s e / dt = 0.6 v / s (pg - d s o-16/12) peak curr en t limita t io n dur ing floa ting lo ad pr otectio n mo de v cs 2 0.27 0.3 2 0.37 v le adin g ed ge bla n king t leb ?2 2 0 ? n s v sof t s = 3.0 v cs in put bias curr en t i csbias ?1.0 ? 0 . 2 0 av cs = 0 v
led syst em driver ics icls6x series electrical characteristics data she e t 2 8 v er sio n 1.0, 201 1- 05- 19 4.3.6 c o o lmos? section para mete r c ont roller s ymbol li mit values unit remarks min. typ. max. dr a i n/s o u r c e br ea kd o w n voltage icls6 02xx v (br)d s s 60 0 65 0 ? ? ? ? v v t j = 25 c t j = 110 c d r ai n / so ur ce o n re si st an ce icls60 21 j r dson1 ? ? 6.45 13.70 7. 50 17 .0 0 ? ? ? ? ? ?
led syst em driver ics icls6x series tempe r at ure de rat i n g cur ves data she e t 2 9 v er sio n 1.0, 201 1- 05- 19 5 t emperature derating curves figure 1 8 s af e ope r at ing ar ea ( s oa) cur ve f o r icls6 021 j figure 1 9 s af e ope r at ing ar ea ( s oa) cur ve f o r icls6 022 j and icls60 22g icls6021j icls6022j and icls6022g
led syst em driver ics icls6x series temperature derating curves data she e t 3 0 v er sio n 1.0, 201 1- 05- 19 figure 2 0 s af e ope r at ing ar ea ( s oa) cur ve f o r icls6 023 j figure 2 1 s oa te mp era t ur e de ra ting c o ef ficien t cur v e icls6021j icls602xx
led syst em driver ics icls6x series outline di mensions data she e t 3 1 v er sio n 1.0, 201 1- 05- 19 6 o utline dimensions 6.1 o utline dimensi ons of pg-dip-8-6 figure 2 2 p g- dip- 8-6 (pb- fre e lead pl a t ing plas tic dua l inlin e out line ) 6.2 o utline dimensi ons of pg-dso-16/12 figure 2 3 p g - d s o-16/12 (plastic dual inl i ne) pg-d so-16/ 12 (plastic dual in-line outline)
led syst em driver ics icls6x series marking data she e t 3 2 v er sio n 1.0, 201 1- 05- 19 7m a r k i n g figure 2 4 m a r king fo r icls6x se ries c ontr o lle r s icls602xx
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