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delphi nc series non-isolated point of load dc/dc power modules: 12v i n, 0.9v -5v out, 60a the delphi nc serie s , 12 v input, singl e output, non -isol a ted poi n t of load dc/dc conve r ters a r e the latest o f fering from a worl d lead er in power sy ste m s technolo g y and man u facturi ng D delt a ele c tronics, inc. thi s pro duct family provide s up to 60a of power in a vertical or hori z ont al mounted throu gh-h o le p a ckage. the nc12s0a 0v60 will provide u p to 60a of outpu t current and the output ca n be re sisto r - or volt age-t r imm ed from 0.9vdc to 5.0vdc. it provides a very cost ef fective poin t of load solu tion. with cre a tive design techn o logy a nd optimizatio n of compon e n t placem e n t, these co n v erters possess out st andi ng e l ectri c al a nd therm a l pe rformance, as well as extre m ely high reli ability under hi ghly stre ssful ope rating co nditio n s. optio n s negative on/ o f f logic applica t i o ns dat a com distributed po w e r architectures servers and w o r kst ations lan/w a n applications dat a processing applications featur es high ef ficiency : 95% @ 1 2 v i n, 5v/60a out v o lt age and resistor-based t r im no minimum load required output volt age pr ogrammable f r o m 0.9vdc to 5.0vdc via external resi stors fixed f r equenc y operation input uvl o , out put otp , ocp , s c p remote on/ o f f (default: positive) iso 9001, t l 90 00, iso 14 001, qs9000, ohsas 1800 1 certified manufact u ring facility ul/cul 60950 ( u s & canada ) r e cognized, and tuv (en 609 50) ce rtified ce mark meet s 73/23/eec and 9 3 /68/eec directives d a t a s h eet d s _ n c1 2 s 6 0 a _020 72 00 7
ds_nc1 2s6 0 a_020 720 0 7 2 technical specifica t i o ns (t a =2 5 c, airfl o w rate=400lfm, v in =12 v dc, no mi nal v out unle ss o t he rw ise noted) pa r a m e t e r notes an d conditions n c 1 2s 0a0v 60 min . t y p . ma x . u n it s a b solute m a xi mu m ra tings inpu t v o lt ag e 12.6 vdc operati ng t e mpera t ure 0 50 c s t orage t e mperatu r e refer to figure 36 for the mea s urin g p o int -40 125 c inpu t/ou t pu t isola t i on v o lt age non-isola t ed na v i n p u t c h ar ac t e r i s t i c s operati ng inpu t v o l t age 1 1 .04 12 12.6 v inpu t under -v ol t a g e lo cko ut t u rn-on v o l t age th reshold 9.4 v t u rn-o f f v o lt age th reshold 8.3 v lockout hy stere s is v o lt age 1.1 v max i mu m inpu t cur r ent 100% lo ad, 1 1 .0 4v in, 5 v ou t 32 a no-load inpu t curr ent 250 ma of f conv erter inpu t current 40 ma inpu t re flected-rip p le curren t refer to figure 35 150 ma inpu t v o lt ag e rippl e rejection 120 hz 45 db outpu t shor t-c i rcu i t inpu t c u rr ent 1 a output ch a r a c teri sti c s outpu t v o lt age adj u stmen t range 0.9 5.0 v outpu t v o lt age set point v i n=12v , io= i o , max, 1 % trim resi stor s -3.0 +3.0 % outpu t v o lt age reg u lation ov er load io=io , min to io ,max -1.5 +1.5 % ov er line vi n = vi n , m i n t o vi n , m a x -0.2 +0. 2 % outpu t v o lt age rip p le and noise 5hz to 20mhz ban dw id th peak- t o-pe ak full load , 0 . 1f ce ramic, 10f t ant alu m 50 mv rms full load , 0 . 1f ce ramic, 10f t ant alu m 15 mv outpu t cur r ent ran ge 0 60 a outpu t v o lt age ov e r-shoo t at s t ar t-up v i n=12v , t u rn on 1 % outpu t v o lt age und e r-shoo t at pow e r-of f v i n=12v , t u rn off 100 mv outpu t dc cur r ent- l imit in ception 94 a dyn a m i c ch a r a c teri sti c s out dy namic load respon se 12v in, 10f t a n & 1f ceramic load cap, 10a/ s posi tiv e s t ep chan ge in ou tput curre nt 50% io,m ax to 75% io ,m ax 75 100 mv negativ e s t ep cha nge in ou tpu t curr ent 75% io,m ax to 50% io ,m ax 75 100 mv settling t i me settling to be w i thin regula t ion band (+/- 3.0%) 150 s t u rn-on t r an sien t io= i o . m a x s t art - up t i me, from on/of f cont rol v i n=12v , v o =1 0% of v o ,se t 10 ms s t art-u p t i m e , f r o m inpu t v o =10% of v o ,se t 30 ms minimum output s t artup cap a ci tiv e load ex : four oscon 6 . 3v/680f (esr 13 m max each) 2720 f max i mu m outpu t s t artup cap a ci tiv e l oad full load 8160 f minimum inpu t cap a cit a n c e ex : three oscon 16v/270f (esr 1 8 m max each) 8 1 0 f effi ci ency vo = 0 . 9 v v i n=12v , io=60 a 83 % vo = 1 . 2 v v i n=12v , io=60 a 86 % vo = 1 . 5 v v i n=12v , io=60 a 88 % vo = 1 . 8 v v i n=12v , io=60 a 90 % vo = 2 . 5 v v i n=12v , io=60 a 92 % vo = 3 . 3 v v i n=12v , io=60 a 93 % vo = 5 . 0 v v i n=12v , io=60 a 95 % fe a t ure ch a r acteri s ti cs sw itching freq uen cy 300 khz on/off control posi tiv e logic (in t er nally pulled high) logic high module on (or leav e th e pin open ) 2.4 5.5 v logic low module o f f 0 0.8 v remote se nse ran ge 400 mv general specif ica t ions calcula t ed mtbf t e lcordia sr-332 issue1 method 1 ca se3 a t 50 1.29 m hour s we i g ht 37 grams ov er-t emperature shut dow n refer to figure 36 for the mea s urin g p o int 130 c 3 ds_nc1 2s6 0 a_020 720 0 7 electri cal characteristi cs cur ves 0 10 20 30 40 50 60 70 80 90 10 0 0 1 02 0 3 0 4 05 0 6 0 o u tp u t c u r r e n t ( a ) ef f i c i e n c y (% ) v i n = 11. 04v v i n = 12. 0v v i n = 12. 6v 0 10 20 30 40 50 60 70 80 90 10 0 0 1 0 2 03 04 0 5 06 0 o u tp u t c u r r e n t ( a ) e f f i ci e n c y ( % ) v i n = 11 . 0 4v v i n = 12 . 0 v v i n = 12 . 6 v figure 1 : converter ef ficie n c y vs. output current (0.9v outp u t volt age) figure 2 : converter ef ficie n c y vs. output current (1.2v outp u t volt age) 0 10 20 30 40 50 60 70 80 90 10 0 0 1 02 0 3 0 4 05 0 6 0 o u tp u t c u r r e n t ( a ) ef f i c i e n c y (% ) v i n = 11. 04v v i n = 12. 0v v i n = 12. 6v 0 10 20 30 40 50 60 70 80 90 10 0 0 1 0 2 03 04 0 5 06 0 o u tp u t c u r r e n t ( a ) e f f i ci e n c y ( % ) v i n = 11 . 0 4v v i n = 12 . 0 v v i n = 12 . 6 v figure 3 : converter ef ficie n c y vs. output current (1.5v outp u t volt age) figure 4 : converter ef ficie n c y vs. output current (1.8v outp u t volt age) 0 10 20 30 40 50 60 70 80 90 10 0 0 1 02 0 3 0 4 05 0 6 0 o u tp u t c u r r e n t ( a ) ef f i c i e n c y (% ) v i n = 11. 04v v i n = 12. 0v v i n = 12. 6v 0 10 20 30 40 50 60 70 80 90 10 0 0 1 0 2 03 04 0 5 06 0 o u tp u t c u r r e n t ( a ) e f f i ci e n c y ( % ) v i n = 11 . 0 4v v i n = 12 . 0 v v i n = 12 . 6 v figure 5 : converter ef ficie n c y vs. output current (2.5v outp u t volt age) figure 6 : converter ef ficie n c y vs. output current (3.3v outp u t volt age) ds_nc1 2s6 0 a_020 720 0 7 4 electri cal characteristi cs cur ves (con.) 0 10 20 30 40 50 60 70 80 90 10 0 0 1 02 0 3 0 4 05 0 6 0 o u tp u t c u r r e n t ( a ) ef f i c i e n c y (% ) v i n = 11. 04v v i n = 12. 0v v i n = 12. 6v figure 7 : converter ef ficie n c y vs. output current (5v output vo lt age) figure 8 : outp ut rippl e & nois e at 12v i n , 0.9 v /60a o u t figure 9 : outp ut rippl e & nois e at 12v i n , 1.2 v /60a o u t figure 1 0 : output ripp le & no i s e at 12v i n , 1.5v/60a out figure 1 1 : output ripp le & no i s e at 12v i n , 1.8v/60a out figure 1 2 : output ripp le & no i s e at 12v i n , 2.5v/60a out ds_nc1 2s6 0 a_020 720 0 7 5 electri cal characteristi cs cur ves (con.) figure 1 3 : output ripp le & no i s e at 12v i n , 3.3v/60a out figure 1 4 : output ripp le & no i s e at 12v i n , 5v /60a o u t figure 1 5 : t u rn on de lay ti me at 12v in, 0.9v/ 60a o u t ch1:out e n ch2:v out ch 3:pw rgd figure 1 6 : t u r n on delay tim e remote on/of f, 1.2v/60a out ch1:out e n ch2:v out ch 3:pw rgd figure 1 7 : t u rn on de lay ti me at 12v in, 3.3v/ 60a o u t ch1:out e n ch2:v out ch 3:pw rgd figure 1 8 : t u r n on delay tim e remote on/of f, 5v/60a out ch1:out e n ch2:v out ch 3:pw rgd ds_nc1 2s6 0 a_020 720 0 7 6 electri cal characteristi cs cur ves (con.) figure 1 9 : t y p i cal trans ient re spons e to step loa d cha nge at 10a/s fro m 5 0 % to 75 % an d 75% to 5 0 % of io, max at 12 v i n, 1.2v out figure 2 0 : t y p i cal trans ient re spons e to step loa d cha nge at 10a/s from 5 0 % to 75% and 75% to 50 % of io, max at 12v in, 1.5v out figure 2 1 : t y p i cal trans ient re spons e to step loa d cha nge at 10a/s fro m 5 0 % to 75 % an d 75% to 5 0 % of io, max at 12 v i n, 1.8v out figure 2 2 : t y p i cal trans ient re spons e to step loa d cha nge at 10a/s from 5 0 % to 75% and 75% to 50 % of io, max at 12v in, 2.5v out figure 2 3 : t y p i cal trans ient re spons e to step loa d cha nge at 10a/s fro m 5 0 % to 75 % an d 75% to 5 0 % of io, max at 12 v i n, 3.3v out figure 2 4 : t y p i cal trans ient re spons e to step loa d cha nge at 10a/s from 5 0 % to 75% and 75% to 50 % of io, max at 12v in, 5.0v out ds_nc1 2s6 0 a_020 720 0 7 7 fea t ures descriptions remote on/of f the re mote on/off i npu t allows exte rnal circuit r y to put the nc conv erter into a sleep mod e . active-hig h remote on/of f is available a s st a n d a rd. active-hig h unit s of the nc seri es are turned on if the remote o n /o ff pin is high (or floating ) . pulling the pi n low will turn of f the unit. t o guarantee tu rn-on the en able volt age mu st be above 2.4v and to turn of f the enable volt age mu st be pulle d bel ow 0.8v the rem o te on/off in pu t can be driv en in a varie t y o f ways a s sho w n in figure s 26, 27, and 28. if the r e mote on/off sig n a l origi nate s on the p r imary side, the re mote on/off i n p u t can b e dri v en throu gh a discrete d e vice (e.g. a bipol ar sig nal tra n si st or) or di rectly from a logic gate output. the output of the logic gate may be an open -colle cto r (o r ope n-d r ain) devi c e. if the drive si gnal origin ates f r om the o p p o site of a n isolate d si de , the remote o n /o ff input can be isolate d and driven through an opto-co upl er . f i g u r e26: re mote on/of f input driv e circ u it for non-isol ated bipolar figure 2 7 : remote on/of f input driv e circ u it for logic dr i v er design considera t ions the nc6 0 a is de sign ed u s ing th ree - ph ase synchron ou s buck topol ogy . block dia g ra m of the conv erter i s sh own in figure 25. the output can be tr immed in the range of 0.9v to 5.0v by a resi sto r from trim pin to ground. th e re mote sen s e is a b le to compen sa te for a drop from the outp u t o f conve r ter to p o int of load. the co nverte r can be turned on/of f by remote co ntrol. p o sit i v e ou te n logic i m p lies that the converte r dc output is e n a b led when thi s sig nal i s dri v en high (gre ate r than 2.4v) o r floating a n d di sable d whe n lo w (b elow 0.8v). neg a tive outen lo gic is a n optio n. the converte r provid es a n open colle ctor si gnal, po we r good. th e po wer goo d si g nal is pulle d l o w whe n out put is not within 1 0% of v out or when ena b le is of f. the co nverte r can p r ote c t it self into hiccup mode a g a i ns t over cu rre nt and short circ uit co n d ition. also, the conve r ter will shut do wn d ue to over volt age protectio n is detecte d. the conve r te r has an over te mperature prote c tion wh ich can p r ote c t it self by shutting do wn for an ove r temperature event. there is a thermal hystere s is o f typically 25 safet y considerations it is recomm ende d to add a fuse at input line. as to curre n t rating of the fuse, it depen ds o n the output volt age and current setting. o tr im vo gr ou nd o o o 5v o vi n g rou nd ou ten o t rim vo gro und o o o o vi n g rou nd out en figure 2 5 : block diagr am ds_nc1 2s6 0 a_020 720 0 7 8 under v o lt a ge lockout the un de rvol t age lo ckout prevent s th e conve r ter f r o m operating wh en the in put volt age i s too l o w . th e lo ckout occurs bet ween 8.3v to 9.4v . this allows more flexibility in desig ning and en su re s operation on sup p ly lines with large tole ra nces over cu rre nt and short-circuit protection whe n over current con d ition occurs, the converte r enters hiccup mod e . ambient temperatu r e influ ences the cu rren t limit inceptio n point sin c e resi st ance o f mosfet ri se s with temp erat ure. t he u n it will not be d a m aged in a n ove r current condition because i t will be protected by the ove r temperature prote c tion. over t e mp erature pro t ection (otp) the over temperature protection is n on-lat c hin g and a temperature sen s o r monit o rs the tem p eratu r e of the pcb near one the main m o sf ets. if temperatu r e ex ce eds a threshold of 130 (typ.) the converte r will shut down. whe n the su bstrate tem p eratu r e ha s d e crea sed by 25 the converter will automati c ally rest art. over v o lt ag e protection (ovp) the converte r will shut do wn when an output over v o lt ag e is detected. once the ovp condition is detected, the controlle r will stop all pwm output s and will turn on low-sid e mo sfet driver to prevent any damage to lo ad. current sh aring (optional) the p a rallel operation of multiple conv erters i s avail able with the n c60 (option code b) . the converter will share to be withi n +/ - 10% of loa d . note the rem o te se nse lin es o f the p a r allel u n it s mu st be con n e c ted at the sam e poi nt fo r prop er o pera t ion in additi on to the cu rre nt sha r e pins being conn e c ted. a lso, u n it s are inten ded to be turned on/ena bled at the sam e time. hot p luggin g is no t recomme nde d. the curren t share diag ra m show in figure 30. fea t ures descriptions (con.) figure 2 8 : remote on/of f input driv e circ u it remote sense remote sen s e comp en sat e s for volt ag e dro p s o n the output by sen s ing th e a c tu al output volt age at th e po int of load. the module will compen sate f o r a maximum drop of 40 0m v . the remot e sen s e con n e ct s as sho w n in figures 2 9 . this limit includ es any increa se in volt age due to remote se nse co mpen sat i on an d outp u t volt age set point adju s tm ent (trim). o ground outen vin trim ground vo o o o o o - sense g round con tact an d d ist ribu tio n los ses vi n + sense g round vo o figure 2 9 : ef fective circuit co nfigur ation for r e mote sens e oper ation ds_nc1 2s6 0 a_020 720 0 7 9 fea t ures descriptions (con.) n c60a 0 i-share i-share vout +sense ground ground tri m n c60a cout tr im co ut +sense load -sense -sense vout figure 3 0 : nc60a c u rrent s hare d i agr a m output v o lt age progr amming the output o n the module is trimmable by conne ctin g an external resi stor bet wee n the trim pin (pin1 ) a nd grou nd a s pe r figu re3 1 an d the typical trim values a r e sho w n in fig u re 32. the nc60a module ha s a trim range of 0.9v to 5.0v . a plot of trim behavior is sho w n in figu re 33 cout -sense +sense ground rs vout trim figure 3 1 : t r i m mi ng output v o lt a g e the re si stor t r im equ ation for the nc is a s follows: rset (k ) = 9 . 0 69 . 12 ? ? vout vout whe r e, v out is the required volt a ge setp oint re st is the resi st an ce req u ired b e twe e n trim and grou nd re st values should n o t be less than 1.8 k outp ut v o lt ag e rs( ) tol +0.9 v open + 1 .2 v 38.3k + 1 .5 v 18.7k + 1 .8 v 12.1k + 2 .5 v 6.34k + 3 .3 v 3.92k + 5 v 1.87k figure 3 2 : t y p i cal t r im resist or v a lues t he volt ag e trim eq uati on w i th exa m p l e is a s follow s example set vt = 1.25v vt = 1.25v v out = 2.5v rs = 1 k rt = 69 . 12 9 . 0 69 . 12 1 . 13 ( + ? ? ? + vout voutrs r s vout vt rs rt = 0.72 k figure 3 3 : t r i m output v o lt a ge ? w i th v o lt a ge sourc e rt co ut vt -s en se +s en se gr ou nd rs vo ut tr im ds_nc1 2s6 0 a_020 720 0 7 10 v o lt age margin adju sting output volt ag e margin a d justing ca n be impleme n ted in the nc60 a module s by conne cting a re sisto r , r m a rgin -u p , from the t r im pin to the ground pi n for adju s ting volt age a little bit h i ghe r . also, the output volt age can be adju s ted lo wer by con n e c ting a re sisto r , r ma rgin -d o w n , from the t r im pin to the outp u t pin. figu re 34 sho w s the circuit co nfigu r ation for o u tput volt age m a rgin a d ju stin g. figure 3 4 : circuit config urati on for outp u t voltag e margi n i n g output ca p acit a nce an external output ca p a citor is req u ired for st a b le operation. reflected ripple current and output ripple and noise measurement the mea s u r e m ent set-up outlined in t e st config uration figure 35 have be en used for both input reflecte d/term inal ripple current and output volt age ripple and noise me asu r em ent s on nc seri es c onverters . cout rma rgi n-d own 0 vt -sense rma rgi n-u p +sense ground rs vout trim cs cin ltest 1 2 vin+ dc-dc converter cout ceramic 100nf tantalum 10uf load input reflected current measurement point output voltage ripple noise measurement point thermal consi d era t i o n the ele c tri c al operatin g co ndition s of the nc, nam ely: input volt ag e, v in output volt a ge, v o output cu rrent, i o determine h o w m u ch p o we r i s di ssip ated withi n the conve r ter . th e followin g p a ram e ters fu rther influ e n c e the thermal stre sse s experi e n c ed by the co nverter: ambient temperature air veloc i ty therm a l ef ficien cy of the end sy stem a pplication part s m ount ed on sy stem pcb that may block ai rflo w real ai rflow characte ri stics at the con v erter lo catio n in orde r to si mplify the thermal de sig n , a numb e r of therm a l de-rating pl ot s are provide d . t hese de -rating g r ap hs sho w the load cu rre nt of the nc versus the ambient air temperature and air flow . ho weve r , since the therma l perfo rman ce is heavily depen dent up on the final syste m appli c ation, the user ne ed s to ensure the therm a l re feren c e point tempe r ature s are kept withi n the re comm ende d temperature rating. it is recomme nde d that the therm a l referen c e p o int temperature s are measured u s ing a thermo co uple or an ir camera. in order to compl y with string ent delt a de-rating criteria, the a m bient temp eratu r e sho u ld never exceed 85 . please cont act delt a for furthe r s u pport.. the maximu m accept abl e tempe r ature mea s u r ed at the thermal refe rence point i s 127 . this is shown in figure 36. mod u le a ir f l ow 19 (0.75 ? ) 50. 8 (2.0 ?) f a cing pwb pwb ai r veloc i t y an d ambient temperat u r e measu red below th e m o dule 38 (1.5 ?) note: wind t unne l t e st setu p cs=2 70uf *1 ltest=1.4u h cin = 27 0uf*3 cout=680 uf *4 figure 3 5 : inpu t reflected ri p p le/c ap ac itor ripp l e c u rrent and output v o l t age rip ple a n d noise me asu r ement set-up for nc60 a ds_nc1 2s6 0 a_020 720 0 7 11 thermal cur ves (nc12s0a0v60) figure 3 6 : t e mp eratur e mea s ure m e n t locati on * t he allow e d max i mu m hot s pot temperatur e is define d at 127 n c 12s0a0v60 (standar d) o u tput curr ent v s . ambi ent temperat ure and a i r v e l o c i ty @ vout =5v (ei t her o r i entat i on) 0 10 20 30 40 50 60 25 35 4 5 55 65 75 85 a m b i ent temper atur e ( ) o u tput cur r ent ( a ) 100 lfm na t u r a l con v ec ti on 200l fm 300l fm 40 0lf m 50 0lf m 60 0lf m figure 3 7 : output current vs. ambi ent tempe r ature an d air velocity@ v out = 5 v(either orient atio n) n c 12s0a0v60 (standar d) o u tput curr ent v s . ambi ent temperat ure and a i r v e l o c i ty @ vout =3. 3 v (ei t her o r i ent ati o n ) 0 10 20 30 40 50 60 25 35 4 5 55 65 75 85 a m bi ent temper atur e ( ) o u tput cur r ent ( a ) 100 lfm na t u r a l con v ec ti on 200l fm 300l fm 40 0lf m 50 0lf m 60 0lf m figure 3 8 : output current vs. ambi ent tempe r ature an d air hvel ocity@ v o ut= 3 .3v(either orient atio n) n c 12s0a0v60 (standar d) o u tput curr ent v s . ambi ent temperat ure and a i r v e l o c i t y @ vout =1. 8 v (ei t her o r i ent ati o n ) 0 10 20 30 40 50 60 25 35 4 5 55 65 75 85 a m bi ent temper atur e ( ) o u tput cur r ent ( a ) 100 l fm na t u r a l con v ec t i on 200l fm 300l fm 40 0lf m 50 0lf m 60 0lf m figure 3 9 : output current vs. ambi ent tempe r ature an d air velocity@ v out = 1 .8v(either orient atio n) n c 12s0a0v60 (standar d) o u tput curr ent v s . ambi ent temperat ure and a i r v e l o c i t y @ vout =0. 9 v (ei t her o r i ent ati o n ) 0 10 20 30 40 50 60 25 35 4 5 55 65 75 85 a m bi ent temper atur e ( ) o u tput cur r ent ( a ) 100 l fm na t u r a l con v ec t i on 200l fm 300l fm 40 0lf m 50 0lf m figure 4 0 : output current vs. ambi ent tempe r ature an d air velocity@ v out = 0 .9v(either orient atio n) ds_nc1 2s6 0 a_020 720 0 7 12 v e r t i c a l mechanical dra w ing ds_nc1 2s6 0 a_020 720 0 7 13 p a rt numbering system n c 1 2 s 0 a 0 v 6 0 p n f a produc t series inpu t v o lt ag e number of outp u t s outp ut v o lt ag e mount ing outp ut current on/off logic pin le ngth optio n co de nc- non-isolated converter 12- 1 1 .04~12.6v s- single output 0a0- program mable v - v e rtical 60- 60a p- positive n- nega tive r- 0.1 1 8 ? n- 0.140 ? f- ro hs 6/6 (lead f r ee ) a- s t andard functions model list model name packaging input v o lt ag e outpu t v o lt a g e outpu t cu rr ent efficiency 12v in @ 100 % load nc12s0a0v60p nf a v e rtical 1 1 .04~12.6vdc 0.9 v~ 5.0vdc 60a 95% (5. 0 v) c o nt ac t : www .delt a . com.tw/dcd c us a : t e lepho ne: east coast: (888) 33 5 82 01 w e st coast: (888) 33 5 82 08 f a x: (97 8 ) 656 396 4 email: dcd c @ delt a -c orp.co m europe : t e lepho ne: + 4 1 31 99 8 53 1 1 f a x: + 41 31 9 9 8 53 53 email: d c dc@ d e l t a -e s.tw a s i a & the re st of w o r l d: t e lepho ne: + 8 86 3 45 26 10 7 x6 22 0 f a x: + 886 3 4 5 134 85 email: dcd c @ delt a .com.t w w arra nt y delt a of fers a two (2) year limited warran ty . complete warra n ty information is liste d on our web site or is available upo n requ est from delt a. information fu rnished by delt a is b e lieve d to be accu rate and reliab l e. however , no re sp on sibi lity is assume d by delt a for it s u s e, n o r for a n y infrin gement s of p a tent s or oth e r rig h t s of third p a rties, whi c h may result from it s use. no li cen s e is g r anted by implicatio n o r otherwise un der any p a ten t or p a t ent ri g h t s of delt a. delt a re se rve s the right to revise the s e spe c ification s at any time, without noti c e . |
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