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delphi series h48sv , 150w half brick family dc/dc power modules: 48v in, 3.3v/10a out the delp hi serie s h48sv half bri ck, 48 v input, sin g l e output, i s ol ated dc/ dc conv erters a r e th e latest of feri ng from a wo rld lea der in power system s tech nology an d manufa c turi n g D delt a el ectronics, inc. this prod uct famil y provide s u p to 150 wa tt s of po we r or 4 0 a of o u tput curre n t (3.3v model) in a n indust r y st anda rd footp r int. this pro duct family come s with st a n d a rd p o sitive trimming m e thod a nd u t ilize s st an dard trim value. it also come s with output trimmi ng ran ge bet wee n +10% to ? 20%. all model s are fully protecte d from abn ormal input/output volt age, current, and tem peratu r e co n d itions. t he delp hi serie s co nverters me et all safety requi re ment s with b a si c insulatio n . optio n s positive remote on/ o f f logic short pin lengths available 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 sting equipment featur es high ef ficiency: 89.5% @ 3.3v/ 10a size: 61.0x57.9 x 12.7mm (2.4 0?2 .28?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, qs 9000, o h sas 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 ds_h 48sv3 r 310 _0 815 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 h48sv3r310 (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 1.3 a no-load inpu t curr ent 60 100 ma of f conv erter inpu t current 5 10 ma i n r u s h cu rr e n t (i 2 t) 0.015 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 15 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 =25c 3.25 3.30 3.35 vdc outpu t v o lt age reg u lation ov er load io= i o , m i n to io ,m ax 3 10 mv ov er line v i n=36v to 75v 3 10 mv ov er t e mperature t c =-40c to 100c 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 3.20 3.40 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 50 100 mv rms full load , 1f cer a mic, 10f t a nt alum 15 30 mv operati ng outpu t current range 0 10 a outpu t dc cur r ent- l imit in ception outpu t v o lt age 1 0 % low 120 175 % 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 70 m v negativ e s t ep cha nge in ou tpu t curr ent 75% io.m ax to 50% io .m ax 70 mv settling t i me (w ithi n 1% v o ut nominal) 200 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 5000 f effi ci ency 100% lo ad 89.5 % 60% loa d 8 7 . 0 % 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 1500 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 2000 pf fe a t ure ch a r acteri s ti cs sw itching freq uen cy 320 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 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 at io n/o f f=1.0ma 0 0.8 v logic high (mo dule on) v on/of f at io n/o f f=0.0 a 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 1 ma leakage curren t (for bo th remote on /o f f logi c) logic high, v on/of f=18v 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 -20 +10 % outpu t v o lt age re mote s ense range pout Q max rated pow er 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; % o f nominal v o ut 1 15 122 130 % genera l specifica t ions mtbf io=80% of io, max ; t c =40c 3 m hour s we i g ht 5 8 g r a m s ov er-t emperature shut dow n a v erage pcb t e mp erature 1 10 c ds_h48sv3 r31 0_0 8152 006 2
electri cal characteristi cs cur ves 60 65 70 75 80 85 90 95 24 68 o u t p ut c urre n t ( a ) efficiency (% ) 1 0 36vi n 48vi n 75vi n 0. 0 1. 0 2. 0 3. 0 4. 0 5. 0 6. 0 7. 0 8. 0 9. 0 10. 0 11. 0 12. 0 24 6 8 o u t p ut c urr e n t ( a ) power dissipation (w) 1 0 36 v i n 48vi n 75vi 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. figure 3 : t y pical in put char acteristics at roo m temp erature (io= 10a) ds_h48sv3 r31 0_0 8152 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 loa d ) (2 ms/di v ).v i n= 48v . t o p t r ace: v o ut; 1v/div; botto m t r ace: on/of f input: 5v/div figure 5 : t u rn-on transi ent at z e r o lo ad curre nt (2 ms/div). vi n = 4 8 v . t op t r ace: v out: 1v/div; bottom t r a c e: on/of f in put: 5v/div 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 ).v i n= 48v . t o p t r ace: v o ut; 1v/div; botto m t r ace: on/of f input: 5v/div figure 7 : t u rn-on transi ent at z e r o lo ad curre nt (2 ms/div). vi n = 4 8 v . t op t r ace: v out: 1v/div; bottom t r a c e: on/of f in put: 5v/div ds_h48sv3 r31 0_0 8152 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 (50 % -7 5%-5 0% of ima x ; di/d t = 0.1a/ s ) .v in= 4 8v . load cap: 10 f , t antalu m cap a citor and 1 f c e ra mic cap a cito r . t op trace: v out (1 00 mv/div), bo tto m trace: io ut (5a/div). scop e me asur e m ent shou ld be ma de usi ng a bnc cabl e (len gth shorter than 20 inches). position the load b e tw een 51 mm a n d 76 mm ( 2 i n ch es and 3 i n ch e s ) 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 (5a/div). scop e meas ure m e n t shou ld be ma de usin g a bn c 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_h48sv3 r31 0_0 8152 006 5
electri cal characteristi cs cur ves figure 1 1 : input t e r m in al rip ple curr ent, i c , at full rated output current an d no mi nal i n p u t volt age w i th 12 h source impedance and 3 3 f elect r olytic cap a c i to r (200 ma/ d iv). figure 1 2 : in put reflected ri ppl e current, i s , through a 12 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 resistive load figure 1 3 : ou tput volt age no ise and ri ppl e me asur e m ent test setup ds_h48sv3 r31 0_0 8152 006 6
electri cal characteristi cs cur ves 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0 2468 1 0 1 2 1 4 1 6 1 8 l o a d cur re nt ( a ) out p ut vol t age (v) v i n= 48v figure 1 4 : output volt a ge rippl e at no mi nal i n p u t v o ltage (v in=48v) and rated lo ad cu rrent(io= 10a) ( 20 mv/div). l oad cap a cit a nce: 1 f c e ra mic cap a citor a nd 10 f t a nt alu m cap a cit o r . ba n d w i d t h: 20 mh z . sco pe meas ure m e n t sho u l d be ma de usin g a bnc cab l e (l ength s horter than 2 0 inc h e s ). positio n the lo ad betw een 51 mm an d 76 mm (2 inch es an d 3 inch es) 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_h48sv3 r31 0_0 8152 006 7
thermal cur ves: no hea t sink figure 1 6 : case temperatur e meas ure m ent locati on. pin loc a tions a r e for referenc e only . f i g u r e 1 7 : output current vs. ambi ent temp e r ature and air velocit y (v in < 60v) figure 1 8 : output curre nt vs. ambie n t temper ature a nd a i r velocity (v in =75 v ) f i g u r e 1 9 : pow e r dissip a ti o n vs. ambie n t temp eratur e and ai r velocity h 4 8s v 3 r 3 10 ( s t a nd ar d ) o u t p u t c u r r e nt vs . a m bie n t te m p e r at ur e an d a i r v e lo ci t y @ v i n < 60 v ( e i t he r o r i e n t at ion , n o h eat si nk ) 0 1 2 3 4 5 6 7 8 9 10 11 7 5 80 85 90 95 1 0 0 105 a m bi ent t e m pera t ure ( ) output cur r ent(a ) nat u ra l c o nv ec t i o n 100 lf m 20 0lf m 3 00l fm 400 lf m 500 lf m 60 0l f m h 4 8 s v 3 r 310(s t andard) o u tput c u rr en t vs. a m bie n t tem perat ure and a i r v e l o ci t y @ v i n = 75v ( e i t her o r i entat i on, no h eat si nk ) 0 1 2 3 4 5 6 7 8 9 10 11 70 75 80 85 90 9 5 100 1 05 a m bi ent tem p eratu r e ( ) o u tpu t c u rren t (a ) nat u r a l convect i o n 100lfm 200lfm 300 lfm 400lfm 50 0lfm 60 0lfm h48 s v 3 r31 0 (s t a n d a r d) p o we r di ss ip at i o n vs . a m bi e n t te m p e r at ure an d a i r v e l o ci t y ( e i t he r ori e n t at i o n , n o he at si nk ) 0.0 0.8 1.6 2.4 3.2 4.0 4.8 5.6 70 75 80 85 90 95 1 0 0 105 a m bi ent t e m pera t ure ( ) p o w e r di ssi pati on (w att s ) natu r a l con v ec ti on 10 0lf m 20 0l f m 30 0l f m 400 lf m 5 00l fm 60 0l f m ds_h48sv3 r31 0_0 8152 006 8
ds_h48sv3 r31 0_0 8152 006 9 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. 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 in p u t sou r ce i s s e l v ci rcuit, the po wer mod u le meet s sel v (safety extra-low volt age ) requi rem ent s. if the input sou r ce i s a ha za rdou s volt age whi c h is grea ter than 60 vdc and less tha n or equal to 75 vdc, for the module? s out put to meet sel v requi re ment s, all of the following must be met:
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 can be an open coll 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 to floating. ds_h48sv3 r31 0_0 8152 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 output volt age ca n be increa sed by both 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 .
ds_h48sv3 r31 0_0 8152 006 11 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: () kohm vo - ) (1 vo vo ) (1 vo 66 . 0 up rtrim ? ? + + + = ? ex. when t r i m -up +10% (3 .3v1.1 = 3.63 v) () kohm up rtrim 26 . 17 3.3 - ) 1 . 0 (1 3.3 3 . 3 ) 1 . 0 (1 3 . 3 66 . 0 = + + + = ? 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 . 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, the modul es may be conne cted wit h an extern al resi sto r bet wee n the trim pin and eithe r the sense(+ ) or sense(-). the trim pin sho u ld be left open if this fe ature is n o t used. 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 (fig. 22). t he extern al resi stor va lue requi re d to obt ain a percent age of output volt ag e cha nge % is define d as: () kohm down rtrim ) (1 vo 3 . 3 vo - ) (1 vo 2 ? ? ? ? ? = ? ex. when t r i m -do w n -20 % (3.3v0.8 = 2.64v) () kohm down rtrim 3 ) 2 . 0 (1 3 . 3 3 . 3 3.3 - ) 2 . 0 (1 3 . 3 2 = ? ? ? = ?
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? ?). 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 figure 2 4 : w i nd tunne l test setup thermal derating heat ca n be removed by incr ea sin g 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. ds_h48sv3 r31 0_0 8152 006 12
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 grou nd 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 1.02mm ( 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_h48sv3 r31 0_0 8152 006 13
p a rt numbering system h 4 8 s v 3 r 3 1 0 n r f a form f acto r inpu t v o lt ag e number of outp ut s produc t series outp ut vo l t a g e outp ut current on/off logic pin le n g th optio n co de h- half brick 48v s- single v - v a l ue line 3r3- 3.3v 10- 10a n- nega tive p- positive r- 0.170 ? n- 0.145 ? k- 0.1 1 0 ? f- ro hs 6/6 (lead f r ee ) a- s t andard fun c tions model list model name input outp ut eff @ 100 % load h48sv3r310 nr f a 3 6 v ~ 7 5 v 1 . 3 a 3 . 3 v 1 0 a 89.5% h48sv3r320 nr f a 3 6 v ~ 7 5 v 2 . 5 a 3 . 3 v 2 0 a 90.0% h48sv3r330 nr f a 3 6 v ~ 7 5 v 3 . 7 a 3 . 3 v 3 0 a 90.5% h48sv3r340 nr f a 3 6 v ~ 7 5 v 4 . 9 a 3 . 3 v 4 0 a 89.5% h48sv05010n r f a 3 6 v ~ 7 5 v 1 . 9 a 5 . 0 v 1 0 a 88.5% h48sv05020n r f a 3 6 v ~ 7 5 v 3 . 7 a 5 . 0 v 2 0 a 90.0% h48sv05030n r f b 3 6 v ~ 7 5 v 5 . 5 a 5 . 0 v 3 0 a 9 0 . 5 % default remote o n /of f logic is neg ative and pin length is 0.170? for dif f erent rem o te on/of f logic and pin length, ple a se refer to p a rt numbering s y ste m above or cont act y our local sales c o nt ac t : www . d elt a .com.t w / dcdc 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 : phon e: + 41 31 998 5 3 1 1 f a x: + 41 31 9 9 8 53 53 email: dcdc@delt a - e s.com a s i a & the re st of w o r l d: t e lepho ne: + 8 86 3 45 26 10 7 ext 6 220 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 warrant y . complete warranty information is list ed on our web site or i s available u pon requ est from delt a. information fu rnished by delt a is beli e ve d to be accu rate and re li ab le. ho weve r , no respon sibi lity is assum e d by delt a fo r it s use, no r for a n y infringem e n t s of p a tent s or othe r righ t s of thir d p a rti e s, whi c h m a y result from i t s u s e. no li cense is g r ant e d by implication or otherwise unde r any p a tent or p a tent right s of delt a. delt a re se rves the right to revise the s e spe c ificatio ns at any time, without noti c e . ds_h48sv3 r31 0_0 8152 006 14

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