View E48SR3R320_3660448.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

feat ure s high ef ficiency : 9 0 .5% @ 3 . 3v/20 a size: 58.4mm x 22.8mm x 8.35m m (2.30?x0. 9 0 ? x0.3 3?) industr y st an dar d pin out smt and throu g h -hole versions fixed f r equenc y operation: 35 0khz input uvl o , out put ocp , ovp , otp 1500v isolation basic insu lation no minimum load required 2:1 input volt age range iso 9001, t l 90 00, iso 14 001, qs 9000, ohsas 1800 1 certified manufact u ring facility ul/cul 60950 ( u s & canada ) re cognized, tuv (en6 0950) certified ce mark meet s 73/23/eec and 9 3 /68/eec directives delphi series e48sr, 66w eighth brick family dc/dc power modules: 48v in, 3.3v/20a out the del phi serie s e48s r eighth bri ck, 48v inp u t, single ou tput, isolate d dc/dc conve r ters are the late st of fering fro m a worl d lea der in power sy ste m s tech nolo g y and manuf acturi ng ? de lt a electro n ics, inc. this p r od uct family is available in a surfa c e m o u n t or throu g h -hol e p a ckage a nd provide s up t o 66 watt s of power o r 25a of output current (1.8v and bel ow) in an ind u stry st a nda rd footprint. with creative d e sig n techn o logy a nd optimi z ati on of compo n ent pla c eme n t, these conv erters posse ss out st andin g ele c trical and the r mal perfo rma n ce s, as well as extremely hig h reliability under hig h ly stressful ope rat i ng con d ition s . all model s are f u lly protecte d from abno rm al input/outpu t volt age, current, and temp era t ure conditio n s. the del phi serie s converte rs m e et all safety requi rement s with basic in sula tion. the e48sr eighth brick sha r e s the sa me pin o u t as the del phi s e rie s qu arte r brick family . the smalle r footp r int of the ei ghth bri ck m odule s allo ws the u s e r to save board sp a c e for po we r req u irem ent s up to 66w . options smt or thro ugh- hole versions positive on/of f logic short pin lengths applica t ions 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 d a t a s h eet ds_e4 8 sr3 r 320 _0 227 20 07
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 E48SR3R320 (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 t e mpera t ure refer to fig u re 2 1 for the mea s urin g p o int -40 1 15 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 1500 vdc input cha r a c teristics operati ng inpu t v o l t age 36 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 2.5 a no-load inpu t curr ent 60 100 ma of f conv erter inpu t current 4 10 ma inru sh c u r r ent ( i 2 t) 1 a 2 s inpu t re flected-rip p le curren t p-p thru 12 h ind u c to r , 5h z to 20m h z 25 ma inpu t v o lt ag e rippl e rejection 120 hz 55 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 3.267 3.300 3.333 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=36v to 75v 3 10 mv ov er t e mperature t c =-40c to 85c 15 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 3.234 3.366 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 60 100 mv rms full load , 1f cer a mic, 10f t a nt alum 15 30 mv operati ng outpu t current range 0 20 a outpu t ov er current p r ote c tion outpu t v o lt age 1 0 % low 1 10 140 % 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 80 160 mv negativ e s t ep cha nge in ou tpu t curr ent 75% io.m ax to 50% io .m ax 80 160 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 6 12 ms s t art-u p t i m e , f r o m inpu t 6 12 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 10000 f effi ci ency 100% lo ad 90.5 % 60% loa d 9 1 . 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 isol ation re sist ance 10 m ? isol ation cap a cit a n c e 1500 pf fe a t ure ch a r acteri s ti cs sw itching freq uen cy 350 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 0.7 v logic high (mo dule o f f) v on/of f at io n/o f f=0.0 a 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 at io n/o f f=1.0ma 0 0.7 v logic high (mo dule on) v on/of f at io n/o f f=0.0 a 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 1 ma leakage curren t (for bo th remote on /o f f logi c) logic high, v on/of f=15v 50 ua outpu t v o lt age t r i m range pout Q max rated pow er 2.87 3.73 v 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 3.80 4.79 v genera l specifica t ions mtbf io=80% of io, max ; t a =40c, ai rflow rate=300flm 2.2 m hour s we i g ht 1 9 . 6 g r a m s ov er-t emperature shut dow n re f e r t o f i gu r e 21 fo r m e as u r i n g p o i nt 120 c ds_e48s r3 r32 0_0 1052 007 2
electri cal characteristi cs cur ves figure 1 : ef ficiency vs. load current for mini mu m, no mi na l, 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 full lo ad input charac teristics at ro o m temp eratur e ds_e48s r3 r32 0_0 1052 007 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) (1 ms/di v ). v i n= 48v . t op t r ace: v out , 1.0v/div; bottom t r ace: on/of f input, 5v/div f i g u r e 5 : t u rn-on trans ient at z e ro lo ad current (1 ms/ d iv). v i n= 4 8 v . t op t r ace: v out: 1 . 0v/div , bottom t r ace: on/ o f f input, 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) (1 ms/di v ). v i n= 48v . t op t r ace: v out , 1.0v/div; bottom t r ace: on/of f input, 5v/div f i g u r e 7 : t u rn-on trans ient at z e ro lo ad current (1 ms/ d iv). vi n = 4 8 v . t op t r ace: v out, 1.0v/div; bottom t r ace: on/of f input, 5v/div 0 0 0 0 0 0 0 0 ds_e48s r3 r32 0_0 1052 007 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 = 0.1a/ s ) . load cap: 10 f t a nt al um cap a cit o r and 1 f cer a mic cap a cit o r . t o p t r ace: v out (5 0 m v/div , 200us/d iv), botto m t r ace: io ut (5a/div). scope 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). positi on the lo ad bet w een 5 1 mm to 76 mm (2 inc hes t o 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%-50%-75% 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 op t r ace: v out (50 m v/div , 20 0us/ d iv ) , bottom t r ace: iout (5a/div). scope meas ur em ent shou ld be made usi n g a bnc ca ble ( l e ngth sh orter th an 2 0 inc hes). positio n the l oad 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 0 0 0 0 ds_e48s r3 r32 0_0 1052 007 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 (500 ma/ d iv , 2us/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 , 2u s/div) strip copper vo(-) vo(+) 10u 1u scope resistiv e load figure 1 3 : ou tput volt age no ise and ri ppl e me asur e m ent test setup 0 0 ds_e48s r3 r32 0_0 1052 007 6
electri cal characteristi cs cur ves 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 lo ad curr ent (io= 20a)(2 0 mv/d iv , 2us/d iv) loa d cap a cit a nce: 1 f cer a mic c a p a c i tor and 10 f t antalu m cap a cit o r . ban d w i d t h: 20 mhz . sc op e meas ure m e n t s shoul d b e ma de usin g a bnc cab l e (l ength s horter than 2 0 inc h e s ). positio n the load betw een 5 1 mm to 76 mm (2 inches to 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 0 ds_e48s r3 r32 0_0 1052 007 7
ds_e48s r3 r32 0_0 1052 007 8 design considera t ions input source impedance the imp eda n c e of the i n put so urce conne cting to the dc/ dc po we r module s will interact with the module s and af fect the st a b ility . a low ac-i mpe dan ce input sou r ce is recomme nde d. if the so urce in du ct an ce is more th an a few h, we advise ad din g a 10 to 100 f electrolytic ca p a cit o r (e s r < 0. 7 ? at 100 khz) mo unted clo s e t o the input of the module to imp r ove the st abili ty . lay out and emc considerations delt a? s dc/dc power mod u les a r e de si gned to ope rate in a wide va riet y of systems and ap plicat ions. fo r de sign assist an ce wi th emc comp liance and related pwb layout issue s , please cont a c t delt a? s tech nical sup port team. an external inp u t filter module is availabl e for easi e r emc compli an ce desi gn. application n o tes to a s sist desi gne rs in addre ssi ng these issu es are pe n d ing 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 requi rement s of the end-user ? s safety agency st anda rd, i.e., ul60 950, can/csa - c2 2.2 no. 6 095 0-00 and e n 6095 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 nt s. basic i n sulat i on ba sed o n 75 vd c i nput is p r ov ided betwe en the input and output of th e module for the purp o se of a pplying in sul a tion re quire ments whe n the input to this dc-to-dc co nver ter is id e n tified as tnv-2 or selv. an additional eval uation is nee ded if the source is other tha n tnv-2 or selv. whe n the input source is sel v circuit, the power mo dul e meet s sel v (safety extra-l o w volt a ge) requireme nt s. if the input sou r ce is a hazard o u s volt age whi c h is greate r than 60 vdc an d less tha n or eq ual to 75 vdc, for the modul e? s output to meet sel v req u irem ent s, all of the follo win g 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 ?3 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 ?3 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. 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.
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 wil l shut do wn (hi c cup mo d e ). the modul es will try to rest art af ter sh ut down. if the fault con d ition still exist s , the module will shut down ag ain. this re st a r t trial will contin ue until the fault conditio n is corre c ted. 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 (-). fo r po sitiv e logic if the remote on/of f feature i s n o t use d , ple a se leave the on/ of f pin floating. ds_e48s r3 r32 0_0 1052 007 9 vo(+) vi(+) vo(-) sense(-) sense(+) vi(-) on/off figure 1 6 : 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 1 7 : 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_e48s r3 r32 0_0 1052 007 10 figure 1 9 : 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. 19 ). 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: () ? ? ? ? ? ? + = ? k up rtrim 2 . 10 511 1.225 ) (100 vo 11 . 5 ex. when t r i m -up +10% (3.3v1.1 = 3.6 3 v) () ? = ? ? + = ? k up rtrim 12 . 90 2 . 10 10 511 10 225 . 1 ) 10 100 ( 3 . 3 11 . 5 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, 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 1 8 : 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. 18). 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: () ? ? ? ? ? ? ? ? ? = ? k down rtrim 2 . 10 511 ex. when t r i m -do w n -20 % (3.3v0.8 = 2.64v) () () ? = ? ? ? ? ? ? ? ? = ? k k down rtrim 35 . 15 2 . 10 20 511
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 0 : w i nd tunne l test setup thermal derating heat can b e remove d by increasi n g airflow over the module. t o e nhan ce syste m relia bility , the po we r mo dule sho u ld alway s be operate d below the maximum op erating temperature. if the temperatu r e exce eds the m a ximum module tem p eratu r e, relia bility of the u n it may be af fected. thermal cur ves figure 2 1 : hot spot temp erat ure meas ured poi nt t he all o w ed max i mu m h o t spot temperat ure is defin ed at 1 1 5 e4 8sr 3 r 3 20( st a n d a r d ) o u t p u t c u r r e n t v s . am bi e n t tem p er a t ur e an d ai r vel o c i t y @ v i n = 4 8v ( t r a n s ve r s e o r i e n t at i o n) 0 2 4 6 8 10 12 14 16 18 20 22 3 0 35 4 0 45 5 0 55 60 6 5 70 7 5 80 8 5 a m bi e n t t e m per at u r e ( ) o u t p u t c u r r e n t ( a ) na t u r a l con v e c t i on 10 0l f m 200 lf m 30 0 l f m 40 0l f m 50 0l f m figure 2 2 : output curre nt vs. amb i ent t e mper ature a nd air velocity@ v in = 48v (t ransvers e orient atio n) ds_e48s r3 r32 0_0 1052 007 11
ds_e48s r3 r32 0_0 1052 007 12 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 - mount t a pe & reel recommended p ad la yout (smd)
ds_e48s r3 r32 0_0 1052 007 13 leaded (sn/pb) process recommend temp . profile 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 e4 8 s r, me asure d on t h e pi n +v out jo int . lead free (sac) pro c ess re commend temp . profile 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 note : the te mpe r a t ure re fe rs to the p i n of e4 8 s r, me asure d on t h e pi n +v out jo int .
mechanical dra w ing surface-mount module through-hole module ds_e48s r3 r32 0_0 1052 007 14 pin no. name function 1 2 3 4 5 6 7 8 +v in o n / o f f s e o lt ag e g e -v in -v out - s e n tr i m +sense + v out positive i nput v r e m o t e o n / o f f neg a tive in put volt ag e neg a tive o u tpu t v o l t age neg a tive remot e s e n s e output volt age trim positive remote sense positive o u tput volt a
p a rt numbering system e 4 8 s r 3 r 3 2 0 n r f a t y pe of produc t inpu t v o lt ag e number of outp ut s produc t series outp ut v o lt ag e outp ut current on/off logic pin le ngth/ t y pe o p t i o n co d e e - eighth br ick 48v s - single feature 3r3 - 3.3v 20 - 20a n- nega tive (default) p- positive r - 0.170 ? (default) n - 0.145 ? k - 0.1 1 0 ? m - smd f- ro hs 6/6 (lead f r ee ) a - s t andard f u n c tions model list model name input outp ut eff @ 100 % load e48sr1r225 nr f a 3 6 v ~ 7 5 v 1 . 3 a 1 . 2 v 2 5 a 8 8 . 0 % e48sr1r525 nr f a 3 6 v ~ 7 5 v 1 . 5 a 1 . 5 v 2 5 a 8 9 . 5 % e48sr1r825 nr f a 3 6 v ~ 7 5 v 1 . 8 a 1 . 8 v 2 5 a 9 0 . 5 % e48sr2r520 nr f a 3 6 v ~ 7 5 v 1 . 9 a 2 . 5 v 2 0 a 8 9 . 0 % E48SR3R320 nr f a 3 6 v ~ 7 5 v 2 . 5 a 3 . 3 v 2 0 a 9 0 . 5 % e48sr05012n r f a 3 6 v ~ 7 5 v 2 . 1 a 5 . 0 v 1 2 a 9 1 . 5 % e48sr12005n r f a 3 6 v ~ 7 5 v 2 . 2 a 1 2 v 5 a 9 2 . 0 % e48sr12007n r f a 3 6 v ~ 7 5 v 3 . 0 a 1 2 v 7 a 9 3 . 0 % e48sr15004n r f a 3 6 v ~ 7 5 v 2 . 2 a 1 5 v 4 a 9 1 . 5 % defau l t remote on/of f logic is neg ative a nd pi n len g th is 0.17 0? f o r dif f erent re mote on/of f lo gi c and pi n le ngt h, pleas e refer to p a rt number i ng s y stem abo ve or cont act your loc a l sal e s of fic e. 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 : 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_e48s r3 r32 0_0 1052 007 15

▲Up To Search▲

Price & Availability of E48SR3R320

	To Download E48SR3R320 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .