fl75r1 0 a filt er m odule 75vdc i nput m axim u m, 10 a m axi mum fe a t ur es rohs co m p l i a n t s m al l si ze: 25. 4 m m x 25. 4 m m x 1 0 . 2 m m (1. 0 ? x 1. 0? x 0. 4?) i ndus t r y s t andard f oot pri n t and pi n - out opt i m i zed f o r u s e w i t h hi gh f r equenc y board m oun t ed dc/ d c c onvert e rs p r i n t ed-c i r c ui t board m oun t abl e i s o 9001, tl 9000, i s o 14001, q s 9000, ohs a s 18001 c e rt i f ied manuf ac t u ring f a c ilit y ul/ c ul 60950 (us & canada) re c ogni zed, v d e 0805 (i e c 60950) li c ens ed delphi series fi lter mo dule - f l 75l05 a 75vdc in pu t, 5 a current rati ng t he delph i s e r i es f l 7 5l0 5 a f ilter m odule is the l a tes t of f e r i ng f r o m a wor l d l ead er in p o w er s y s t em s tec hnolo g y a nd m anuf ac tur i ng ? de lt a elec tr o n ic s , inc . t h is f ilter m odule is des ig ned t o r edu c e the c onduc t e d c o m m on- m ode and diff er entia l- m ode no is e o n i npu t or out put li nes o f hig h - f r equenc y s w itc h i ng p o w er s upp li es an d has a m a x i m u m c u r r e n t r a ting of 5a. it has th e in dus tr y s t and ar d f oot pr int a nd pi n- out. w i th c r eativ e d e s i gn tec h n o l o g y and o p tim i z a tio n of c o m p onen t pl ac em ent, delp hi f l 75l 05 a f ilter m odu le pos s e s s e s out s t an di ng el ec tr ic al an d ther m a l per f o r m anc e, as well as ex tr em el y h i gh r e l i ab il it y und er h i gh l y s t r e s s f u l oper ati ng c o n d i t io ns . a p plic a t ions com m on- m ode and di f f erent i a l - m ode f i l t eri n g of pow er s uppl y d c i npu t a nd out put l i ne com p u t er appl i c at i on com m uni c a t i ons equi p m en t da t a s h eet d s _fl75l0 5_ 1017 200 5
spec ifica t ion s g e ner a l sp ecif ic a t io ns o u t p ut specif ic a t io n s i nput vol t age , c ont i nuou s typi c a l 0~75v out put c u rrent ta=75 c, no ai rf l o w 5a i nput vol t age , t r ans i ent typi c a l 100v out put c u rrent ta=85 c, no ai rf l o w 4 a operat i on c a s e t e m perat ure typi c a l -40 j ~ 120 j c o m m on- m o d e i n s e rt i o n loss 5 0 [ ci rc ui t , 500 k h z (typ) 43db s t orage t e m perat ure typi c a l -55 j ~ 125 j d i f f e rent i a l - m o d e i n s e rt i o n loss 5 0 [ ci rc ui t , 500 k h z (typ) 45db s i ze (1. 0 ?. x 1. 0?x 0. 4?). 25. 4 x 25. 4 x 10. 2 m m elec tr ica l c h a r a c ter i stic s c u r ves figure 1: t y pic a l com m on-m ode in sert ion l o s s in a 50 [ ci r c u i t figure 2: t y p i ca l d i f f e rent ial- m ode in sert ion lo ss in a 5 0 [ cir c uit interna l sche matics figure 3: inter nal sc hem ati c s 2
3 therm a l consi d er a t i o ns t her m a l m anagem ent is an im por tant p a r t of th e s y s t em des ig n. t o ens ur e pr oper , r e lia bl e oper ati on, s u f f i c i ent c ooli ng of the po wer m odule is n eed ed o v er t he e n tir e tem per atur e r ange of the m odule. con v ec t i on c o o l i n g is us ual l y the dom inant m ode of heat tr a n s f er . henc e, th e c hoic e of eq uipm ent to c har ac ter i ze t he ther m a l per f o r m anc e of the p o w er m odul e is a w i n d tunn el. t h ermal t est i ng se t u p delt a? s f i l t er m odules ar e c har ac ter i ze d i n h eat ed ver t ic a l w i nd tu nn els t hat s i m u late th e ther m a l env ir onm ent s enc oun ter ed in m o s t elec tr on i c s equ ipm ent. t h is t y pe of equ ipm ent c o m m onl y us e s ver t ic a l l y m ounte d c i r c uit c a r d s in c a bi net r a c k s in w h i c h the p o w er m odules ar e m ounte d . t he f o llo w i n g f i gur e s h o w s the w i nd tu nn el c har ac ter i zat i on s e tu p. t he f ilter m odule is m ounte d o n a tes t p w b and is ver t ic al l y p o s i t i on ed with in the w i n d tunn el. t he s p ac e b e t w e e n th e ne igh bor i n g p w b and the t op of th e po wer m odul e is 6. 35m m ( 0 .25? ) . t h ermal d e ra ting heat c an be r e m o ved b y inc r eas i ng a i r f lo w o v er t h e m odule. f i g u r e 4 s h o w s m a x i m u m output is a f unc tio n o f am bient tem per atur e and a i r f low r a te. t o enha nc e s y s t e m r e lia bi li t y , t he po wer m odule s houl d al wa y s be op er at ed bel o w t h e m a x i m u m oper atin g tem per atur e. if the tem per atur e ex c e e d s th e m a x i m u m m odule tem per atur e, r e lia bi li t y of the u n it m a y b e af f e c t ed. not e : wind t u nnel t est setup f i gure dim e nsions are in mi llimete r s and (inc hes) 10 (0.4?) mo dule a ir f l o w 50.8 ( 2. 0 ? ) f a cing p w b pw b air ve locit y a nd am bient t e mperat ure me as u r ed belo w t h e module figure 4: w i nd t unn el t e st setu p fi gure dim e n s io ns a r e in m illim eter s an d (in c h e s). therm a l cur ve s ou t gn d 7m m (0.275i n) 15m m (0.6i n ) ou t figure 5: t e m per ature m e asu r em ent lo cat i on the a llow e d m a xim u m ho t s p o t tem perat ure i s d e fin ed a t 12 0 j f l75l 05 ( s t anda r d ) o u tpu t c u r r en t v s . am bi ent t e mper at ur e an d ai r vel o c i ty @ vi n = 48v ( e i t her or i ent ati on) 0 1 2 3 4 5 6 50 55 60 65 70 75 80 85 am bi ent tem per at ur e ( j ) o u t put c u r r e n t ( a) 10 0lf m na t u r a l c o nv e c ti on figure 6: ou t p ut c u r r e n t vs . a m b i en t t e mp e r a t u r e an d a i r v e loci ty @ v i n = 48v (eith e r o r ient at ion)
a p plic a t ion not e : c2 t h rough c5 c an be 0 . 01 g f to o . 1 g f . s e l e ct t he vol t age rat i ng t o m e e t i nput - t o-out put i s o l at i on requi rem e n t s. c1 s houl d be t h e rec o m m ended val ue i ndi c a t e d i n t he pow er m odu l e dat a s heet . figure 7. r e com m end ed sch e m atic w h e n u s ed as t he i npu t f ilter t o a hig h -freq uen cy dc-t o- dc c o n v erter not e : v d c i nput (+) and v d c i npu t (-) pl anes s houl d overl a y eac h ot her , a s s houl d t h e v i (+) and v i (-) pl an es , as s houl d t he v out ( +) and v out (-) pl anes . a v oi d rout i ng s i gnal s or pl anes under t h e pow er m odul e or t he f i l t er m odul e . e n s u re al l c onnec t i ons are l o w i m pedan c e . figure 8. r e com m end ed l a y o ut w hen us ed a s th e in put f ilt er to a h i gh- frequ en cy d c -to- dc c onver ter 4
a p plic a t ion (conti nued) not e : : c2 t h rough c5 and c6 t h rough c9 c an be 0. 01 g f to o . 1 g f . s e l e ct t he vol t age rat i ng t o m eet i n put -t o-out put i s ol at i on requi rem e n t s . c1 s houl d be t he rec o m m ended val ue i ndi c a t e d i n t he pow er m odul e dat a s heet . figure 9. r e com m end ed sch e m atic of fil t er m odu le w i th tw o pow er m odu les 5
f i gur e 1 0 s h o w s th e ex pe r i m ent al r e s u lt obtai ned b y us ing th is f ilter m odule, t o geth e r with t he r e c o m m ended ex ter nal c o m ponent s s h o w n in f i gu r e s 5 and 6. t h e q 4 8 s r3 r335n r m odule is on e of the de lph i s e r i es quar ter b r ic k 3.3v , 35 a dcdc c o n v erters . m eas ur ed no is e is great l y dep end ent o n la y o u t, groun di ng, c abl e ori ent at io n, an d l oad c harac teris t ic s and t he var i at ion is pos s i bl e f r o m var i ous a p p lic at io n c ond iti ons . figure 1 0 . q 48sr 3 r 3 35n r a con duct ed n o i s e w i t h fl 75l0 5 inp u t fi lter m e ch a n ic a l d r a w ing t op v i e w si de v i e w bot t om v i e w di m ens ion s are in milli m e t e r and (i nc hes ). t o l e ranc e s : x . xx ? 0. 5 m m (0. 0 2 i n ), x . xxx ? 0. 25 m m (0 . 010 i n ) re comme nde d hole p a tte rn di m ens ion s are in milli m e t e r and (i nc hes ). t o l e ranc e s : x . xx ? 0. 5 m m (0. 0 2 i n ), x . xxx ? 0. 25 m m (0 . 010 i n ) 6
7 part numbering system fl 75 l 05 a product family input voltage product series output current space option code fl- emi filter 75- 0 ~ 75v l ? industry standard 05 - 5a a - standard functions model list module name input voltage (max.) current rating (max.) size (metric) size (english unit) fl75l05 a 75v 5a 25.4 x 25.4 x 10.2 mm 1.0 in. x 1.0 in. x 0.4 in. fl75l10 a 75v 10a 50.8 x 27.9 x 12.5 mm 2.0 in. x 1.1 in. x 0.5 in. fl75l20 a 75v 20a 50.8 x 40.6 x 12.7 mm 2.0 in. x 1.6 in. x 0.5 in. 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 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 requ est 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, wh ich may result from its use. no license is granted by implicat ion 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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