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delphi series h48sl, 200w half brick family dc/dc p o wer modules: 48v in, 1.5v/60a out the delphi s e rie s h4 8sl half brick, 48 v input, singl e output, i sol a ted dc/ dc conv erters a r e th e latest of feri ng from a wo rld lea der i n powe r system s tech nology an d manufa c turi n g D delt a electronics, inc. this prod uct famil y provide s u p to 200 watt s of po wer (3 .3v and abov e) o r 60a of output curre nt in an industry st anda rd footprint. with cre a tive desi gn te chn o logy an d o p timization o f comp onent placement, t hese conve r ters p o s sess o u t s t a nding elect r ical and th erm a l perfo rma n c e, a s well as extremely high reliability under hi ghly stressful operating conditions. a ll models a r e fully protected from abn ormal inp u t/outpu t volt age, current, and temperature condition s. the delphi serie s conve r ters m eet all safety requi rem ent s with ba sic in sulation. optio n s positive remote on/ o f f logic negative trim short pin lengths applica t i o ns t e lecom/dat a com wir e less netw orks optical net w ork equipment server and dat a s t orage industrial/t e st eq uipment featur es high ef ficiency : 84% @ 1. 5v/60 a size: 57.9 x 61.0 x 12.7mm (2.28? x 2.4 0 ? x 0 . 50?) s t andard footp r in t industr y st an dar d pin out fixed f r equenc y operation met a l baseplate input uvl o , out put ocp , ovp , otp basic insu lation no minimum load required 2:1 input volt age range iso 9001, t l 90 00, iso 14 001, qs9000, ohsas1800 1 certified manufactu ring facility ul/cul 60950 ( u s & canada ) recognized, and tuv (en609 50) cer t ified ce mark meet s 73/23/eec and 93/68/eec direct ives d a t a s h eet ds_h 48sl 1 r 560 _1 030 20 06
technical specifica t i o ns (t a =25 c, airfl o w rate=300 lfm , v in =48vdc, n o m inal v o u t u n le ss ot her w ise no ted) pa r a m e t e r notes an d conditions h48sl 1 r560 (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 ansien t (100m s) 100ms 100 vdc operati ng ca se t e mperature t c -40 +100 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 1 minute 1500 vdc input cha r a c teristics operati ng inpu t v o l t age 36 48 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 33 34 35 vdc t u rn-o f f v o lt age th reshold 31 32 33 vdc lockout hy stere s is v o lt age 1 2 3 vdc max i mu m inpu t cur r ent 100% lo ad, 36v i n 3.6 a no-load inpu t curr ent 60 150 ma of f conv erter inpu t current 3 10 ma i n r u s h cu rr e n t (i 2 t) 0.03 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 25 ma inpu t v o lt ag e rippl e rejection 120 hz 65 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 =25 1.47 1.5 1.53 vdc outpu t v o lt age reg u lation ov er load io= i o , m i n to io ,m ax 2 5 mv ov er line v i n=36v to 75v 2 5 mv ov er t e mperature tc = - 4 0 to 100 15 50 mv t o t a l ou tpu t v o lt ag e range ov er sample loa d , li ne and temp erature 1.43 1.57 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 75 150 mv rms full load , 1f cer a mic, 10f t a nt alum 25 40 mv operati ng outpu t current range 0 60 a outpu t dc cur r ent- l imit in ception outpu t v o lt age 1 0 % low 1 10 150 % 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.m ax to 75% io .m ax 80 m v negativ e s t ep cha nge in ou tpu t curr ent 75% io.m ax to 50% io .m ax 80 mv settling t i me (w ithi n 1% v o ut nominal) 100 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 10 20 ms s t art-u p t i m e , f r o m inpu t 10 20 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 20000 f effi ci ency 100% lo ad 84 % 60% loa d 8 7 % 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 1500 vdc inpu t to c a se 1 5 0 0 v d c outpu t to c a se 500 vdc isol ation re sist ance 10 m ? isol ation cap a cit a n c e 1300 pf fe a t ure ch a r acteri s ti cs sw itching freq uen cy 180 kh z on/off control, n egativ e remote on /o f f logi c logic low (module on) v on/of f at io n/o f f=1.0ma 0 0.8 v logic high (mo dule o f f) v on/of f at io n/o f f=0.0 a 15 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 at io n/o f f=1.0ma 0 0.4 v logic high (mo dule on) v on/of f at io n/o f f=0.0 a 15 v on /of f c u rren t (f or bo th r e m o te on/ of f l ogi c ) i o n / o f f a t v o n/o f f = 0 . 0 v 1 m a leakage curren t (for bo th remo te on/of f logi c) logic high, v on/of f=15v 50 ua outpu t v o lt age t r i m range acro ss pin s 9 & 5 , pout Q max rated pow er - 2 0 + 1 0 % outpu t v o lt age re mote s ense range pout Q max rated pow er 10 % outpu t ov er-v olt a g e pro t e c tion ov er full temp rang e; % o f nominal v o ut 1 15 122 130 % genera l specifica t ions mtbf io=80% of io, max ; t a =25c 2.23 m hour s we i g ht 8 5 g r a m s ov er-t emperature shut dow n a v erage pcb t e mp erature 1 10 c ds_h48sl 1 r 56 0_1 0302 006 2
electri cal characteristi cs cur ves 65 70 75 80 85 90 10 20 30 40 50 60 out p ut current ( a ) e fficie ncy (%) 36v i n 48v i n 75v i n 0. 0 4. 0 8. 0 12. 0 16. 0 20. 0 10 20 30 40 50 60 out p ut current ( a ) pow e r d i ssipation ( w ) 36v i n 48v i n 75v i n figure 1 : ef ficiency vs. lo ad c u rrent for mi ni mu m, n o m in al, and max i mu m in put volt age at 2 5 c. f i g u r e 2 : power dissip a tion vs. load c u r r ent f o r min i mu m, no mi nal, an d max i mu m in put volt age at 2 5 c. 0. 0 0. 5 1. 0 1. 5 2. 0 2. 5 3. 0 3. 5 30 35 40 45 50 55 60 65 70 75 i n put vo l t ag e ( v ) inp u t curre nt (a ) i o =60a i o =36a io = 6 a figure 3 : t y pical in put char acteristics at roo m temp erature ds_h48sl 1 r 56 0_1 0302 006 3
electri cal characteristi cs cur ves for negative remote on/off logic figure 4 : t u rn-on transi ent a t full rated l o a d current (res i stive load) (2 ms/di v ). t op t r ace: v out; 50 0mv/div; bottom t r ace: on/off input: 10v/div f i g u r e 5 : t u rn-on transie nt at z e ro lo ad curr ent (2 ms/div). to p t r ace: v out: 50 0mv/ div; bottom t r ace: on/of f input: 10v/d iv for positive remote on/off logic figure 6 : t u rn-on transi ent a t full rated l o a d current (res i stive load) (2 ms/di v ). t op t r ace: v out; 50 0mv/div; bottom t r ace: on/off input: 2v/div f i g u r e 7 : t u rn-on transie nt at z e ro lo ad curr ent (2 ms/div). to p t r ace: v out: 50 0mv/ div; botto m t r ace: on/off input: 2v/div ds_h48sl 1 r 56 0_1 0302 006 4
electri cal characteristi cs cur ves figure 8 : output volt ag e re spons e to step-cha nge i n l oad current (75%- 5 0%-7 5% of io, max; di/d t = 0.1 a / s ) . load cap: 10 f , t a nt alu m cap a cit o r an d 1 f c e ra mic cap a citor . t o p t r ace: v out (1 00 mv/ d iv), bottom t r ace: iout (10 a /div). s c ope me asur e m ent shou ld be ma de usi ng a bnc cabl e (len gth shorter tha n 2 0 inch es). posi tion the l oad b e tw een 51 mm to 76 mm (2 i n ch es to 3 inch es) from the mo dul e. f i g u r e 9 : output volt a ge re spons e to ste p -cha nge in l oad current (75 % -5 0%-7 5% of io, max; di/d t = 2.5a/ s ) . load c ap: 470 f , 35 m ? ? esr solid e l ec trolytic cap a cit o r and 1 f cer a mic cap a cit o r . t o p t r ace: v out ( 100 mv/d iv), bottom t r ace: iout (10 a /div). sco pe meas ure m e n t shoul d be ma de us ing a bnc cabl e (len gth shorter than 20 inch es ) . position th e load betw een 51 mm to 76 mm ( 2 inches to 3 inches ) from the mo du le. figure 1 0 : t e st set-up diagr am sh ow ing measur e m ent po int s for input t e rmi nal ri ppl e cur r ent and input reflected rip ple current. note: meas ure d inp u t reflecte d-ripp le c u rrent w i th a simulat e d source ind u ct ance (l test ) of 12 h. cap a cit o r cs of fset possi ble b a tter y imp e d ance. measur e curre nt as show n ab ove. ds_h48sl 1 r 56 0_1 0302 006 5
electri cal characteristi cs cur ves figure 1 1 : input t e rmi n a l rip ple c u rrent, i c , at full rated out put current an d no mi nal i nput voltage w i th 12 h source i m p e d a n ce and 3 3 f e l ect r olytic cap a c i to r (1a/div). f i g u r e 1 2 : input reflecte d ri ppl e curre nt, i s , through a 1 2 h source i n d u cto r at nomin al in put vo lt ag e an d rated l oad c u rrent (20 ma/ d iv). vo(-) vo(+) 10u 1u copper strip scope resistiv e load figure 1 3 : ou tput volt age no ise and ri ppl e me asur e m ent test setup ds_h48sl 1 r 56 0_1 0302 006 6
electri cal characteristi cs cur ves 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0 1 02 0 3 04 05 06 07 0 8 09 0 1 0 0 l o ad current ( a ) ou tpu t voltage ( v ) 48v i n figure 1 4 : output volt ag e rip p le at n o m i nal inp u t volt ag e a n d rated loa d current (20 mv/div ). load cap a citance: 1 f c e ra mi c cap a cit o r an d 10 f t a nt alu m cap a cit o r . ba ndw id th: 20 m h z . scope me asur ement sho u l d be made usi ng a bnc ca ble (len gth shorter than 20 inche s ). position the load betw e e n 51 mm to 76 mm (2 inches to 3 in ches) from th e mo du le. f i g u r e 1 5 : output volt a ge vs. load curr e n t show ing ty pical current li mit cu rves and co nve r ter shut dow n poi nt s. ds_h48sl 1 r 56 0_1 0302 006 7
thermal cur ves: no hea t si nk, either orient a t ion figure 1 6 : case temperatur e meas ure m ent locati on. pin loc a tions a r e for referenc e only . figure 1 7 : output current vs. ambi ent tempe r ature an d air velocity (v in <60 v ) figure 1 8 : output current vs. ambi ent tempe r ature an d air v e locity (v in = 75v) figure 1 9 : pow e r dissip a ti on vs. ambi ent temp eratur e an d air velocity ? 3 ? 3 ? ? ? ? ? ? ? ? ? on/ o f f cas e out se ns e(- ) tr i m se ns e out h 4 8s l1 r 5 6 0 ( s t a n d a r d) o u t p ut c u r r en t v s . a m b i en t t e m per at u r e and a i r v e lo cit y @ v i n < 60 v ( e it h e r o r ie nt a t io n, no h e at s i n k ) 0 8 16 24 32 40 48 56 64 0 1 02 0 3 04 05 06 07 0 8 09 0 1 a m bi ent t e m per ature ( ) output curr ent(a ) nat u ra l c o nv ec t i o n 10 0l fm 2 00l fm 300 lf m 40 0l f m 50 0l fm 60 0lf m 0 0 h 4 8s l1 r 5 6 0 ( s t a n d a r d) o u t p ut c u r r en t v s . a m b i en t t e m per at u r e and a i r v e lo cit y @ v i n = 75 v ( e it h e r o r ie nt a t io n, no h e at s i n k ) 0 8 16 24 32 40 48 56 64 0 1 02 0 3 04 05 06 07 0 8 09 0 1 0 a m bi ent tem perature ( ) output curr ent(a ) natu ral conv ec tio n 10 0l f m 20 0l fm 30 0lf m 40 0l fm 50 0l fm 60 0lf m 0 h 4 8s l1r 56 0( s t an dar d) p o w e r d i ss ip at i o n vs . a m bi en t te m p er a t ur e a n d a i r v e loc i t y ( e i t he r o r i e n t at ion , n o h eat si nk ) 0 3 6 9 12 15 18 21 0 1 0 2 03 0 4 05 0 6 07 0 8 09 0 1 a m bi ent t e m per ature ( ) p o w e r di ssi pati on (w atts) natu ral c o nv ec tio n 10 0l f m 20 0l fm 30 0lf m 40 0l fm 50 0l fm 60 0l fm 0 0 ds_h48sl 1 r 56 0_1 0302 006 8
design considera t ions input source impedance the imp eda n c e of the i n p u t sou r ce co nne cting to t h e dc/ dc po we r mod u le s wi ll intera ct wit h the mod u l e s and af fect the st ability . a low ac-i mpe d a n ce inp u t sou r ce is re comm en ded. if the source indu ct a n c e is mo re th an a few h, we advise addin g a 10 to 100 f electrolytic ca p a cit o r (e s r < 0. 7 ? at 100 khz) mounted close to the input of the module to i m prove the st ability . lay out and emc considerations delt a? s dc/ dc po we r mo d u les are de si gned to ope rate in a wide variety of system s and appli c at ions. for de si gn assist an ce with emc co mplian c e an d related p w b layout issu es, please cont act delt a? s te chni cal supp ort team. an ex ternal i nput f ilter mod u le is availa ble f o r easi e r emc compli an ce d e sig n . application note s to assist d e si gn ers in a d d r e s sing th ese i s sues are pe ndi ng relea s e. safet y considerations the po we r m odule m u st b e inst alled in compli an ce with the sp aci n g and se p a ration req u irement s of the end-user ? s safety agen cy st and ard, i.e., ul60 950, can/csa - c2 2.2 no. 6095 0-00 an d en6095 0:200 0 and iec6095 0-19 99, if the syst em in which the po wer module is to be used must meet safety agency requi rem ent s. basic i n sulat i on ba se d o n 75 vd c in put is p r ovid ed betwe en the input and o u tput of the module fo r the purp o se of a pplying in sul a tion re qui re ments wh en the input to this dc-to-dc co nverter i s ide n tified as t n v-2 or selv. an addition al evaluation i s neede d if the sou r ce is oth e r than t n v-2 or selv. whe n the i n put so urce i s 60 vd c o r b e low , th e po wer module me et s sel v (safety extra-lo w volt age ) requi rem ent s. if the input source i s a ha zardou s volt a g e whi c h is great er than 60 vd c and le ss tha n or equal to 75 vdc, for the module? s outpu t to meet sel v require men t s, all of the following mu st 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 fuse with 20a maximu m rating to be installe d in the ungro und e d lead. a lower rated fuse can be u s ed ba se d on the m a ximum inrush tran sient e n e r gy and maximu m input cu rre nt. 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. inade quate clea nin g and/or dryin g may lower the reliability of a power module and severely af fect the finishe d circui t board asse mbly test. adequate cl eani ng and/or dryin g is e s pe cially i m port ant for u n -en c a p sulat ed and/or ope n frame type po wer mod u les. for a s sist an ce on app rop r ia te solde r ing and cle ani ng procedu res, plea se cont a c t delt a? s technical su ppo rt team. ds_h48sl 1 r 56 0_1 0302 006 9
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 curren t exceed s the ocp set poi nt, the modul es will automati c ally shut down (hiccup mode). the modules will try to restart after shutdown. if the overload condition still exi s ts , the module will shut down again. thi s restart trial wi ll continue u n til the overload con d ition is correcte d. 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 do wn a nd latch of f. the over-volt age latch is reset by either cycling the in p 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 module will shut do wn. the module will try to rest art af ter shut down. if the over-tem perature co ndition still exist s during rest art, the module will shut do wn again. thi s rest art trial will contin ue until the temperat ure is within specifi c ation. remote on /off the remote o n /off feature on the mo dul e ca n be eith er negative or positive logi c. negative logic tu rn s the module o n du ring a lo gic lo w and off du ri ng a logi c hig h . positive logi c turns th e m odule s on du ring a lo gic h i gh and off durin g a logic lo w. remote on/of f can b e cont rolled by an external swit ch betwe en the on/of f termin al and the v i (-) termi nal. the swit ch may b e an ope n col l ector o r op en drain. for ne gative logic if the remote o n /of f feature is n o t use d , plea se sho r t the on /of f pin to v i (-). for positi v e logic if the remote on/of f feature is n o t used, pl e a se leave the on/ of f pin floating. ds_h48sl 1 r 56 0_1 0302 006 10 vo(+) vi(+) vo(-) sense(-) sense(+) vi(-) on/off figure 2 0 : remote on/of f i m ple m ent atio n remote se nse 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 volt age bet wee n the re mote se nse pins and the outp u t terminals mu st not exceed the outp u t volt age sen s e rang e given here: [v o(+) ? v o (?)] ? [sense(+) ? sense(?)] 10% vo u t 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). vi(-) vi(+) vo(-) vo(+) sense(+) sense(-) resistance contact contact and distributio n losses figure 2 1 : ef fective circ uit c onfig uratio n fo r remote se ns e oper ation if the remote sen s e featu r e is not used t o regul ate the output at the point of loa d , plea se con n e c t sense(+) to v o (+) an d sense(? ) to v o (?) at the mo dule. the o u tput volt age m a y be in crea sed by b o th the remote sen s e and the trim; however , the maximum increa se i s th e larger of eit her th e remot e se nse o r th e trim, not the sum of both. whe n usi ng remote sen s e and trim, the output volt ag e of the mod u le is u s u a lly increa sed, whi c h incre a ses t he power outpu t of the mo dule with the same out put c u rrent. care sh ould be t a ken to ensu r e that the maximum output po we r doe s n o t e x ceed th e m a ximum rate d power .
fea t ures descriptions (con.) output v o lt age adjustment (trim) to in cre a se or d e crea se the outp u t vol t age set poi n t, con n e c t an e x ternal re si stor bet wee n the trim pin a n d either the sense(+ ) or sense(-). the trim p i n sho u ld be left open if this feature i s not use d . figure 2 2 : 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 sense (-) pin s , the output vol t age set poi nt decrea s e s .(fi g. 22) the external resi stor valu e requi re d to obt ain a percent age of output volt ag e cha nge % is define d as: rtrim down= 100 ? % 2 ? ? ? ? ? ? ? ex. when t r i m -do w n -20 % (1.5v0.8 = 1.2v) vo 1.5 := v ? 20 := 100 ? 2 ? 3 = k ? figure 2 3 : 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 t r im and sense (+) the output volt age set p o int incre a se s (fig. 23 ). the external re si stor valu e req u ired to obt ai n a percent a g e output volt a ge chan ge % is defined as: rtrim up= vo 100 ? % + ( ) ? 1.225 ? % ? 100 2 ? % + ? % ? ? ? ? ? ? ? ? ex. when t r i m -up +10% (1 .5v1.1 = 1.65 v) vo 1.5 := v ? 10 := vo 100 ? + () ? 1.225 ? ? 100 2 ? ? + ? ? 1.469 = k ? the o u tput vo lt age can be i n crea sed by both the rem o te sen s e a nd th e trim, howe v er the maximum increa se is the larger of either th e re mote sen s e o r the tri m , not the sum of both. whe n usi ng remote sen s e and trim, the output volt a ge of the module is usually i n cr ea sed, wh ich in crea se s the power outpu t of the module with the same out put c u rrent. 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 . ds_h48sl 1 r 56 0_1 0302 006 11
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? ?). thermal derating heat may b e rem o ved b y incre a si ng airflow over the module. th e module? s maximum ca se temperature is +10 0 c. t o enhan ce system reli a b ility , the p o we r module sh oul d always b e operated b e l o w the m a ximum operating te mperature. if the tempera t ure exce ed s the maximum module tempera t ure, reliabilit y of the unit may be af fected. 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_h48sl 1 r 56 0_1 0302 006 12 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) figure 2 4 : w i nd tunne l test setup
mechanical dra w ing pin no. name function 1 2 3 4 5 6 7 8 9 -v in case on/off +v in + v out +sense tr i m -sense -v out neg a tive in put volt ag e case gr oun d remote on/off positive i nput v o lt ag e positive o u tput volt age positive remote sense output volt age trim neg a tive remot e sense neg a tive o u tpu t volt age pin s pecification: pins 1-4, 6-8 1.00mm (0.04 0 ?) diameter pins 5 & 9 2.00mm (0.0 79?) di ameter all pi ns are co pper w i t h t i n pl ating. ds_h48sl 1 r 56 0_1 0302 006 13
ds_h48sl1r560_10302006 14 part numbering system h 48 s l 1r5 60 n r f a form factor input voltage number of outputs product series output voltage output current on/off logic pin length option code h ? half-brick 48v s - single l - ims, positive trim 1r5 - 1.5v 60 - 60a n - negative p - positive r - 0.170? n - 0.145? k - 0.110? f- rohs 6/6 lead free) a - standard functions model list model name input output eff @ 100% load h48sl1r560nrfa 36v~75v 3.6a 1.5v 60a 84% h48sl1r860nrfa 36v~75v 4.3a 1.8v 60a 85% h48sl2r560nrfa 36v~75v 5.7a 2.5v 60a 88% h48sl3r360nrfa 36v~75v 7.4a 3.3v 60a 89% h48sl05040nrfa 36v~75v 7.4a 5v 40a 90.5% h48sl12020nrfa 36v~75v 8.7a 12v 20a 91% default remote on/off logic is negative and pin length is 0.170? for different remote on/off logic and pin length, please refer to part numbering system above or contact your local sales offic e. 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: telephone: +41 31 998 53 11 fax: +41 31 998 53 53 email: dcdc@delta-es.tw asia & the rest of world: telephone: +886 3 4526107 x6220 fax: +886 3 4513485 email: dcdc@delta.com.tw warranty delta offers a two (2) year limited warrant y. complete warranty information is list ed on our web site or is available upon request from delta. information furnished by delta is believed to be accurate and re liable. however, no responsibility is assumed by delta for its use, nor for any infringements of patents or other rights of thir d parties, which may result from its use. no license is grante d by implication or otherwise under any patent or patent rights of delta. delta reserves the right to revise these specifications at any time, without notice .

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