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delphi s36se, 17w 1x1 brick series dc/dc p o wer modules: 18~75v in, 3.3v/5a out the delphi s36se seri e s , 1x1 si zed , 18~75v i n , single o u tp ut, isolate d dc/dc co nverters are the late st of fering f r o m a wo rld le a d e r in power sy stems technol o g y and manuf acturi ng u de lt a electro n ics, inc. this pro duct family is ava ilable in either a surface mount o r throug h-hole p a ckage a nd provide s u p to 17 watt s of power o r 5a o f output cu rre nt (3.3v and below) in a st anda rd 1x1 form facto r (1.10 ? x0.96?x 0 .33?). the pinout is co mp atible wit h the popul a r indu stry st a ndard 1x2 sized p r od u c t s . with creative de si gn techn o logy and optimi z ation of co mpone nt placem ent, t hese conve r ters p o sse ss out st andin g ele c tri c al an d the r mal perf o rma n ce, as well as extremely high reliabilit y under highly stre ssful operating con d ition s . the s36se 3.3v modul e could provide full output po we r without a n y airflow u p to 85 c am bient te mperature wh ile ke eping th e comp one nt junctio n temp eratu r e s und er most de ra ting guidelin e s . t y pical ef fici ency of 3.3v/5a module i s better than 86.5% and all module s a r e fully protect ed from a b n o rmal in put/output volt ag e, curre n t, and tempe r ature condition s. optio n s positive, negative, or no on/ o f f t r im pin otp and output ovp , ocp mod e , auto-rest a r t (def ault) or latch-up surface mounted pins short pin lengths applic ati o ns optical t r ansport dat a net w orking communications, including wirele ss and traditional t e lecom servers feat ure s high ef ficiency : 8 6 .5% @3. 3 v/5a industr y st an dar d 1x1 pinout size: 27.9x24.4 x 8.5mm (1.10 ? x0. 96?x0.33? ) fixed f r equenc y operation 4:1 ultra w i de inp u t volt age range input uvl o output ocp , ov p and otp monotonic st artu p into normal an d pre-bias loads output volt age t r im 10% 2250v isolation and basic insulatio n no minimum load required smt and throu g h -hole versions iso 9001, t l 90 00, iso 14 001, qs9000, o h sas1800 1 certified manufactu ring facility ul/cul 60950 ( u s & canada ) r e cognized, and tuv (en 609 50) certified. ce mark meet s 73/23/eec and 9 3 /68/eec directives d a t a s h eet ds_s3 6 se3r 305 _0 215 20 07
ds_s36se3 r30 5_0 2152 007 2 technical specifica t i o ns t a = 25c , airfl o w rate = 300 lf m, v in = 48 vdc, nomi n al v out u n less o t her w ise note d . pa r a m e t e r notes an d conditions S36SE3R305 (s t a ndard) 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 continuou s 8 0 v d c t r a n s i e nt ( 1 00 m s ) 100ms 100 vdc operati ng t e mpera t ure refer to figure 20 for mea s uring poin t -40 123 c s t orage t e mperatu r e -55 125 c inpu t/ou t pu t isola t i on v o lt age 2250 vdc input cha r a c teristics operati ng inpu t v o l t age 18 75 vdc inpu t under -v ol t a g e lo cko ut t u rn-on v o l t age th reshold 16 17 18 vdc t u rn-o f f v o lt age th reshold 15 16 17 vdc lockout hy stere s is v o lt age 0.5 1 1.5 vdc max i mu m inpu t cur r ent 100% lo ad, 18v i n 1.3 a no-load inpu t curr ent 20 ma of f conv erter inpu t current 5 ma inru sh c u r r ent ( i 2 t) 1 a 2 s inpu t r e flec ted-r i p p le c u rren t p-p thru 12h ind u c to r , 5h z to 20mhz 8 ma inpu t v o lt ag e rippl e rejection 120 hz 60 db output ch a r a c teri sti c s outpu t v o lt age set point v i n=48v , io= i o . max, t c =25c 3.25 3.3 3.35 vdc outpu t v o lt age reg u lation ov er load io= i o , m i n to io , m a x 3 10 mv ov er line v i n=18v to 75v 3 10 mv ov er t e mperature t c =-40c to 100c 33 mv t o t a l ou tpu t v o lt ag e range ov er sample lo ad, l i ne and temperatur e 3.2 3.4 v 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 , 1f cer a mic, 10f t a nt alum 60 mv rms full load , 1f cer a mic, 10f t a nt alum 10 mv operati ng outpu t current range 0 5 a outpu t dc cur r ent- l imit in ception outpu t v o lt age 1 0 % low 1 10 120 130 % dyn a m i c ch a r a c teri sti c s outpu t v o lt age cur r ent t r an sien t 48v , 1 0 f t an & 1 f ceramic load ca p , 0 . 1a /s posi tiv e s t ep chan ge in ou tput curre nt 50% io.max to 75% io .max 150 mv negativ e s t ep cha nge in ou tpu t curr ent 75% io.m ax to 50% io .m ax 150 mv settling t i me (w ithi n 1% v o ut nominal) 300 us t u rn-on t r an sien t s t art-up t i me, fro m on/of f con t rol 16 25 ms s t art-u p t i m e , f r o m inpu t 16 25 ms max i mu m outpu t c a p a cit a n c e full load ; 5 % ov ershoot of v out a t st ar tup 1000 f effi ci ency 100% lo ad 86.5 % 60% loa d 8 5 . 5 % i s o l at i o n c h ar ac t e r i s t i c s inpu t to outp ut 2250 vdc isol ation re sist ance 10 m ? isol ation cap a cit a n c e 1000 pf fe a t ure ch a r acteri s ti cs sw itching freq uen cy 450 kh z on/off control, n egativ e remote on /o f f logi c logic low (module on) v on/of f -0.7 0.8 v logic high (mo dule o f f) v on/of f 2 18 v on /of f c ont rol, p o sit i v e r e m o te on / o f f log i c logic low (module of f) v on/of f -0.7 0.8 v logic high (mo dule on) v on/of f 2 18 v on /of f c u rren t (f or bo th rem o te on /o f f logi c) ion/of f at v o n/o f f=0.0v 0.25 ma leakage curren t (for bo th remote on /o f f logi c) logic high, v on/of f=15v 30 ua outpu t v o lt age t r i m range a c r o s s t r i m p i n & + v o o r ?v o, p o u t Q max rated -10% 10% % o u t p ut o v e r - v o l ta ge p r ot ec t i o n ov er full temp rang e; 3.79 5 v genera l specifica t ions mtbf io=80% of io, max ; t a =25c, 30 0lfm tbd m hour s we i g ht 9 g r a m s ov er-t emperature shut dow n refer to figure 20 for mea s uring poin t 128 c
ds_s36se3 r30 5_0 2152 007 3 electri cal characteristi cs cur ves figure 1 : ef ficiency vs. lo ad current for mi ni mu m, no min a l, an d max i mu m in put volt age at 2 5 c. figure 2 : pow e r dissi p a ti on v s . load c u rrent for mi ni mu m, n o min a l, and max i mu m i nput volt a ge at 25c. 0 0.2 0.4 0.6 0.8 1 1.2 1.4 15 20 25 30 35 40 45 50 55 60 65 70 75 i n pu t vo l t ag e(v) i n put current (a) figure 3 : t y pical ful l lo ad inp u t characteristics a t r o o m temp eratur e. figure 4 : (f or negativ e remote on/of f lo g i c ) t u rn-on trans ient at full rated lo ad c u rrent (5 ms/d i v ). v i n= 48v . t o p t r ace: v out, 1v/di v ; bottom t r ace: on/off input, 5v/div . figure 5 : (f or negativ e remote on/of f logi c) t u rn-on transie nt at z e r o l oad curr ent (5 ms/div). v i n= 4 8 v . t o p t r ace: v out, 1v/div , bottom t r ace: on/off input, 5v/div . figure 6 : (f or positiv e re mote on/of f lo gic) t u rn-o n transi e n t at full rated loa d curr ent (5 ms/div). v i n= 48v . t o p t r ace: v out, 1v/div; bottom t r ace: on/off input, 5v/div .
ds_s36se3 r30 5_0 2152 007 4 electri cal characteristi cs cur ves (con.) figure 7 : (f or positiv e remote on/of f logi c)t u rn-on transi ent at z e ro load current (5 m s /div). v i n=48v . t op t r ace: v out, 1v/div; bottom t r ace: on/of f input, 5v/div . figure 8 : output volt ag e res p onse to st ep-c han ge i n l o a d current (75%- 50% of io, max; di/d t = 0.1a/ s ) . lo a d cap: 1 0 f t a nt alu m cap a cit o r an d 1 f cera mic c a p a cit o r . t op t r ace: v o ut (20 0 mv/ d iv , 100 us/div), bo ttom t r ace: iout (2 a /div). scope measu r ement shou ld be ma de usin g a bnc cabl e (len gth shorter than 20 inch es). positio n the lo ad b e tw een 51 mm to 76 mm (2 inc h es to 3 inch es) from th e mo du le. figure 9 : output volt a ge res pons e to step- chan ge i n l oad curren t (50%- 75% of io, max; di/d t = 0.1a/ s). loa d cap: 10 f t a nt alu m cap a cit o r and 1 f c e ra mic c a p a cit o r . t o p t r ace: v out (20 0 mv/ d iv , 100 us/div ) , bottom t r ac e: iout (2a/div). scope me as ure m e n t shou ld be mad e using a bnc cabl e (length s horter than 20 i n ches). positio n the lo ad betw een 5 1 mm to 76 mm (2 inches to 3 inch es) from the mo dul e. figure 1 0 : t e st set-up di agr am s how in g measur e m ent po int s for input t e rmin a l ripp l e c u rrent and inp u t refle c ted rip ple c u rrent. note: measur ed in put refle c ted-rip p le cur r ent w i th a simu late d source induct ance (l test ) of 12 h. cap a c i tor cs of fset possibl e battery impe da nce. measur e current as sho w n below .
ds_s36se3 r30 5_0 2152 007 5 electri cal characteristi cs cur ves figure 1 1 : input t e rmi n a l ri ppl e curre nt, i c , at full rated output current a nd n o m i nal in put voltage w i th 1 2 h source i m pe da nce a n d 33 f electrolytic cap a citor (100m a / d iv , 2us/div) figure 1 2 : input reflected ri pple current, i s , throu gh a 12 h sourc e ind u ctor at nomi nal i nput v o lt ag e and rat ed loa d curre nt (20 m a /div , 2us/ d iv) figure 1 3 : output volt age n o i s e and ripp le measur e m ent test setup figure 1 4 : out put volt age ripple at n o m inal inp u t volt age an d r a ted load current (i o=5a)( 50 m v /div , 5u s/div ) .load cap a cit ance: 1 f ceram i c cap a citor and 10 f t ant alu m cap a citor . band wid t h: 20 mh z . scope m easu r e m ent s s hould be m ade u s ing a bnc cable (length sho r ter than 20 inches). position the load between 51 mm to 76 mm (2 inches to 3 inches) fro m the m o d u le figure 1 5 : output volt age vs. load current show ing typica l current li mit curves a n d converter sh ut dow n poi nt s strip copper vo(-) vo(+) 10u 1u scope resistiv load e
ds_s36se3 r30 5_0 2152 007 6 design considera t ions input source impedance the imp edan ce of the in put so urce conne cting to the dc/ dc power modules will inte ract with the modules and affect the sta b ility. a low ac-i mpe dan ce input sou r ce is recomme nde d. if the source indu ctan ce is more than a few h, we advise a ddin g a 10 to 1 00 f ele c trolytic cap a cit o r (e s r < 0. 7 ? at 100 khz) mo unted cl ose to the input of the module to imp r ove the stabili ty. lay out and emc considerations delta? s dc/dc po we r mo d u les are de si gned to ope rate in a wide va riet y of systems and appli c at ions. fo r d e s ign assista n ce wi th emc comp liance and rel a ted pwb layou t issue s , plea se co ntact del t a?s techni cal sup port tea m . an external inp u t filter module is availabl e for easi e r emc compli an ce desi gn. a pplication n o tes to a s sis t desi gne rs i n add re ssin g these i s sue s are pen din g to relea s e. safet y considerations the power m odule mu st be installed in complian c e with the spa c ing and sepa ration req u irements of the end-user? s safety agency standard, i.e., ul60950 , can/csa - c2 2.2 no. 6095 0-00 a nd en6095 0: 2000 and iec6095 0-19 99, if the system in which the power mo dule is to be used must meet sa fety agency requireme nts. basic insulat i on ba se d o n 75 vd c i nput is provided betwe en the input and output of the module fo r the purp o se of applying i n su lation re qui re ment s when the input to this dc-to-dc co nverter i s ide n tified as t n v - 2 o r sel v . an additional eval uation is ne e ded if the sou r ce i s other than t n v - 2 or sel v . whe n the inp u t sou r ce is selv circuit, the po wer mo dul e meets selv (safety extra-lo w voltage ) req u ire m en ts. i f the input so u r ce i s a ha za rdou s voltage which is gre a te r than 60 vd c and le ss th an or equ al to 75 vd c, for th e module? s out put to meet selv requi re ments, all of the following must be met: the input so urce must b e insulate d from the ac mains by reinforced or double insulation. the input terminals of the module are not operator acce ssi ble. if the metal base p late is g r oun ded , one vi pin and one vo pin sh all also b e ground ed. a selv reliability test is condu cted on the system whe r e th e m odule i s u s e d , in combin ation with th e module, to ensure that under a singl e fault, hazard o u s voltage doe s no t appear at th e module? s output. whe n install ed into a cla ss ii eq uipment (wit hout grou ndin g ), spaci ng co nsi deratio n sh o u ld be given to the end -u se installatio n , as the spa c in g betwe en t he module a nd mounting su rface h a ve not been eval uat ed. the po we r m odule h a s extra-l o w voltag e (elv) o u tp uts whe n all input s are elv. this p o wer module i s no t internally fused. to a c hi eve optimum safe ty and system prote c tion, a n input line fu se is highly re co mmend ed. t he safety ag enci e s requi re a norm a l-bl ow f u se with 5a maximum rati ng to be in sta lled in the ung rou nded le ad. a lowe r rate d fuse can be u s ed based on th e maximum inru sh tra n si ent energy and maximum input current. soldering and cleaning considerations post sold er cl eanin g is usu a lly the final board assem b ly pro c e ss befo r e the board or system und ergo es ele c tri c al testing. inad equate cle a n i ng an d/or drying may lo we r the reli ability of a po we r m odule and se verely affect t h e finishe d circui t board asse mbly test. ad equate cl eani ng and/or d r y i ng is e s pe cially importa nt for un-e n cap s ula t ed and/o r open fra m e type p o we r module s . fo r assista n ce on ap pro p riat e sol deri ng a n d clea ning pro c ed ure s , ple a se conta c t delta? s techn i cal sup port team.
ds_s36se3 r30 5_0 2152 007 7 fea t ures descriptions over-cu rre nt protection the modul es include a n internal o u tp ut over-curre nt prote c tion ci rcuit, whi c h will endure cu rrent limiting for an unlimited duration d u r ing outp u t overloa d . if the output cu rren t exceed s the ocp set poi nt, the modules will automati c ally shut dow n, and enter hiccup mo de or latc h mode, whic h is optional. for hiccu p mode, the module will try to rest art af ter shut down. if the overload condition still exist s , the module will shut do wn again. thi s rest art trial will contin ue until the overload con d ition is correcte d. for latch m ode, the m odule will la tch of f once i t shut do wn. th e latch is re set by either cycling the inp u t power o r by togglin g the o n /of f signal fo r one second. over-v olt age protection the module s include an internal outp u t over-volt a ge prote c tion circuit, whi c h monitors the volt age on the output termin als. if this volt age exceed s the over-volt a ge set point, the module will shut down, an d enter in hiccup mode o r latch mode, whi c h is optional. for hiccu p mode, the module will try to rest art af ter shut down. if the overload condition still exist s , the module will shut do wn again. thi s rest art trial will contin ue until the over-vol t age conditio n is co rre cted. for latch m ode, the m odule will la tch of f once i t shut do wn. th e latch is re set by either cycling the inp u t power o r by togglin g the o n /of f signal fo r one second. over-t emp e rature pro t ection the over-te m perature protecti on con s ist s of ci rcuitry that provide s protectio n from thermal damag e. if the temperature excee d s the ov er-tem perature thresh old the modul e will shut do wn, and ente r in hiccup m ode or latc h mode, whic h is optional. for a u to-re s t a rt mode, the mod u l e will m oni tor temperature af ter shut do wn. on ce th e tempe r ature i s within the spe c ification, the module will be auto-re st arte d. for latch m ode, the m odule will la tch of f once i t shut do wn. th e latch is re set by either cycling the inp u t power o r by togglin g the o n /of f signal fo r one second. remote on /off the remote on/off feature on the mod u le can be either negative or p o sitive logic. neg a tive logic turns the module on durin g a logic lo w and off during a logic hig h . positive logic turns th e module s o n durin g a logic high a n d off durin g a logi c low. remote on/o f f can be co ntrolled by a n external switch betwe en the on/of f termin al and th e v i (-) termi nal. t he swit ch can be an open coll ector o r op en drain. for n egative l ogic if the re mote on/of f fe ature i s n o t u s ed, plea se sho r t the on/of f pin to v i (-). fo r p o sitive logi c if the remote on/of f feature is not used, please leave the o n /of f pin floating. vi( + ) vi( - ) on /of f vo(+ ) tr i m vo(-) r lo ad vi( + ) vi( - ) on /of f vo(+ ) tr i m vo(-) r lo ad figure 1 6 : remote on/of f i m ple m ent atio n
ds_s36se3 r30 5_0 2152 007 8 r load fea t ures descriptions (con.) output v o lt age adjustment to in cre a se or d e crea se the outp u t vol t age set poi n t, the modul es may be conne cted wit h an extern al resi sto r between the t r im pin and eit her the vo (+) or vo(-). the trim pin shou ld be left ope n if this feature is not used. vo ( + ) tr i m v o (-) r tr im -d o w n vi ( + ) vi ( - ) on / o f f r load vo ( + ) tr i m v o (-) r tr im -d o w n vi ( + ) vi ( - ) on / o f f vo ( + ) tr i m v o (-) r tr im -d o w n vi ( + ) vi ( - ) on / o f f rtrim_down vo_ad figure 1 7 : circuit configur a t ion for trim-d ow n (decreas e output volt a ge) if the external resi stor i s co nne cted bet ween the t r im and v o (+) pi n s , the outp u t volt age set p o int de cre a se s (fig. 17 ). the external re si stor valu e req u ired to obt ai n an output volt age chang e from 3.3v to the desi r e d v o_adj i s defi ned a s : j 2.5 ? ( ) 5110 ? 3.3 vo_adj ? 2050 ? ex. when t r i m -do w n -10 % v o_adj =3.3v (1 -1 0%)=2.9 7 v rtrim_down 2.97 2.5 ? ( ) 5110 ? 3.3 2.97 ? 2050 ? rtrim_down 5.228 10 3 = ohm rtrim_up 2.5 5110 ? 3.63 3.3 ? 2050 ? rtrim_up 3.666 10 4 = ohm whe n u s ing trim functio n , the outpu t volt age of the module is u s ually incre a se d, which increases the po wer output of the module with the sam e outp u t current. care sh ould be t a ken t o ensure th at the maximum output power of the module remain s at or below the maximum rat ed power . r trim_up 2.5 5110 ? vo_adj 3.3 ? 2050 ? ex. when t r i m -up +10% v o_adj =3.3v (1 +1 0%)=3. 63v vo (+ ) trim vo (- ) r loa d r tr i m - u p vi (+) vi (-) on/off vo (+ ) trim vo (- ) r loa d r tr i m - u p vi (+) vi (-) on/off figure 1 8 : circuit config urati on for trim-u p (i ncreas e outp u t volt ag e) if the external resi stor i s co nne cted bet ween the trim and v o (-) the output volt ag e set point in cre a ses (fig. 18). the exte rnal resi stor v a lue re qui red to obt ain an output volt ag e cha nge fro m 3.3v to the desired v o _ a d j is define d as:
ds_s36se3 r30 5_0 2152 007 9 thermal derating heat ca n be removed by increa sin g airflow over the module. t o e nhan ce syste m relia bility , the po we r mo dule sho u ld al way s be ope rate d belo w the maximum op eratin g temperature. if the temperatu r e exce eds the ma ximum module tem p eratu r e, relia bility of the u n it may be af fected. thermal cur ves figure 2 0 : t e mp eratur e mea s ure m e n t locati on t he all o w ed maxi mu m h o t spot temp erature is defin ed at 12 3 . s 3 6s e 3 r 305( s t and ar d) o u t p ut c u r r e n t v s . a m bi en t te m per at ur e and a i r v e l o ci t y @v i n = 24v ( e i t her o r i ent at i o n ) 0 1 2 3 4 5 6 0 65 7 0 7 5 80 85 a m bi en t t e m p er at ur e ( ) o u t p u t c u rr e n t(a ) na t u r a l c onv e c t i on figure 2 1 : output current vs. ambi ent tempe r ature an d air velocity@ v in = 24v (either ori ent atio n) s 3 6s e 3 r 305( s t and ar d) o u t p ut c u r r e n t v s . a m bi en t te m per at ur e and a i r v e l o ci t y @v i n = 48v ( e i t her o r i ent at i o n ) 0 1 2 3 4 5 6 0 65 7 0 7 5 80 85 a m bi en t t e m p er at ur e ( ) o u t p u t c u rr e n t(a ) na tu r a l c onvect i on figure 2 1 : output current vs. ambi ent tempe r ature an d air velocity@ v in = 48v (either ori ent atio n) thermal consi d era t i o ns therm a l man ageme n t is a n importa nt part of the syst em desi gn. to e n su re p r op er, reliabl e ope ration, suffici e n t cooli ng of th e po we r mod u le is nee de d over th e e n tire temperature range of the modul e. co n v ection co olin g is usu a lly the dominant mo d e of heat tran sfer. hen c e, the choi ce of eq uipment to chara c te rize the thermal p e rf orma nce of the po wer m odule i s a wind tunnel. thermal t esting setup delta? s dc/ dc po we r module s are chara c te rize d in heated verti c al wind tunn els t hat simu late the thermal environ ment s encou ntered in most electroni cs equipm ent. this type of equipm ent comm only u s e s vertically mou n ted circuit card s in cabi n e t rac ks in w h ich the power mo dule s are m o unted. the followi ng figure shows the wind tunnel cha r a c teri zati on setup. th e powe r mod u le is mount ed on a test pwb and is vertically po sitioned within the wind tun nel. the sp a c e b e twee n the neighb orin g pwb and the top of the power modul e i s const antly ke p t at 6.35mm (0.2 5? ?). figure 1 9 : win d tunne l test setup n o t e : w i nd t unne l t e s t s e t up fi gur e d i mens i ons a r e i n m i l l i m e t e r s and ( i nc he s) 1 2 .7 ( 0 . 5 ?) mo du l e a ir f l o w 50. 8 ( 2. 0 ? ) f a ci ng p w b pw b ai r ve l o ci t y an d ambi e n t t e mper at u r e me asu red b e lo w th e m o d u l e
ds_s36se3 r30 5_0 2152 007 10 recommended p ad la yout (smd) p i c k a n d p l a c e l o c a t i o n s u r f a c e - m o u n t t a p e & r e e l
ds_s36se3 r30 5_0 2152 007 11 note : the te mpe r a t ure re fe rs to the p i n of s3 6 se, me asure d on t h e pi n +v out jo int . temp . ti me 15 0 20 0 10 0~14 0 s e c . t i me lim i te d 9 0 sec . ab ov e 21 7 21 7 pr eh e a t ti m e ram p up ma x. 3 /s ec . ram p dow n ma x. 4 /s e c . peak tem p . 24 0 ~ 24 5 25 t i me ( sec. ) p r e- h eat t e m p . 140 ~18 0 c 60 ~1 20 sec. pe a k te m p . 21 0~2 3 0 c 5se c . ra m p -u p te mp . 0. 5~3. 0 c /s ec . t e mperatur e ( c ) 50 10 0 15 0 20 0 25 0 30 0 60 0 1 20 18 0 24 0 2n d r a m p - up tem p . 1. 0 ~ 3. 0 c /sec . ov er 20 0 c 40 ~5 0s ec. co olin g do wn ra te < 3 c / s e c . note : the te mpe r a t ure re fe rs to the p i n of s3 6 se, me asure d on t h e pi n +v out jo int . lead free (sac) pro c ess re commend temp . profile leaded (sn/pb) process recommend temp . profile
ds_s36se3 r30 5_0 2152 007 mechanical dra w ing surface-mount module through-hole module pin no. name function 1 2 3 4 5 6 +v in -v in on/off -v out t r im (optional ) + v out positive i nput v o lt ag e neg a tive in put volt ag e remote on/off neg a tive o u tpu t volt age output volt age trim (optional) positive o u tput volt age 12
ds_S36SE3R305_02152007 13 part numbering system s 36 s e 3r3 05 n r f a product type input voltage number of outputs product series output voltage output current on/off logic pin length/type option code s - small power 18v~75v s - single 1x1, 17w 3r3 - 3.3v 05 - 5a n - negative p - positive e - no remote on/off control pin r - 0.170? n - 0.145? k - 0.110? m - smd f- rohs 6/6 (lead free) a - no trim pin b - with trim pin model list model name input output eff @ 100% load S36SE3R305nrfa 18v~75v 1.3a 3.3v 5a 86.5% s36se05003nrfa 18v~75v 1.1a 5.0v 3a 83.5% s36se12001nrfa 18v~75v 1.1a 12v 1.3a 87.0% note: 1. default remote on/off logic is negative; 2. default pin length is 0.170?; 3. default otp and output ovp, ocp mode is auto-restart 4. default is no trim pin; 5. for different options, please refer to part number ing system above or contact your local sales office. contact : www.delta.com.tw/dcdc usa: telephone: east coast: (888) 335 8201 west coast: (888) 335 8208 fax: (978) 656 3964 email: dcdc@delta-corp.com europe: phone: +41 31 998 53 11 fax: +41 31 998 53 53 email: dcdc@delta-es.com asia & the rest of world: telephone: +886 3 4526107 ext 6220 fax: +886 3 4513485 email: dcdc@delta.com.tw warranty delta offers a two (2) year limited warranty. complete warranty information is listed on our web site or is available upon request from delta. information furnished by delta is believed to be accurate and reliable. however, no responsibility is assumed by delta for its use, nor for any infringements of patents or other rights of third parties, which may result from its use. no license is granted by implication or otherwise under any patent or pat ent rights of delta. delta reserves the right to revise these specifications at any time, without notice .

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