sp 6019d s y nchrono u s re c tifier d r i v er 201 5 /04 / 3 0 v .1 p a g e 1 description application the fun d a ment a l of sp60 1 9d s y n c h r onous r e c tifier (sr) d r i v e r i c is b a s e d on our u.s. p a tent e d methods t h a t utili z e the p r inciple of p re diction l o g ic c i r c u it. the i c d e lib e r a tes p re vious c y c l e timing to c ontrol the sr in p re s e nt c y c l e b y p re dictive a l g o r ithm that mak e s a djustments to t h e tur n - o f f time, in o r d e r to ac hieve ma x imum e f fi c ie n c y a nd a void c ross - c ond u c tion a t the s a me time. SP6019D is spe c ial l y suit a b l e for f o r ward a nd dc/ d c modul e . ? s e rv e rs & wo r kstations ? s tor a ge a r e a n e twork p o w e r supplies ? t e le c ommunic a tion c on v e rt e rs ? emb e dd e d s y stems ? i ndustr i a l & c omm e r c i a l s y s t e ms usi n g h i g h c u r r e nt p ro c e ssors ? dc/dc pow e r module f e a tu r es ? o f fers e f fi c ie n c y imp r o v e ment ov e r s c hott k y diode ( d e p e nds on d r ive c onf i g u ra tion of the sr). ? d r ives a ll pow e r m o sfe t . ? pr e diction gate timing c o ntrol. ? minimum mos f et body diode c ondu c tion. ? op e r a ti n g a t h i g h swit c h i ng f r e qu e n c y . ? s y n c h r oni z e to tr a nsf o r m e r s e c on d a r y volt a g e w a v e fo r m. ? l in e a r s e tti n g of timing f un c tion. ? sop - 8 a nd td f n 3 x3 8 l c p ac k a g e p in c o n f i g u r a tion (so p - 8) p in c o n f i g u r a tion (t d f n3 x 3 8lc) p a r t m a r k i n g
sp 6019d s y nchrono u s re c tifier d r i v er 201 5 /04 / 3 0 v .1 p a g e 2 ty p ic a l ap p lc a t i on ci r c u it p in d esc r i p tion pin symb o l d esc r ip t ion 1 t i m ing d isco n ti n uous cu r re n t f i l t e r ti m ing a d j u s t m ent r e s i s t o r conne c t i on. 2 pred c apac i t o r to s t o re p re v io u s c y c l e t i m ing for sr mo s f e t . 3 vr v o l ta g e re g ula t o r . 4 a dj t r i gg er poi n t a d ju s t m ent f o r d y na m ic sta t e. 5 gnd g round c o nne c t i on. 6 mo sg - c c a t ch mo s f e t g a t e d r i v e. 7 v dd d c supp l y v olta g e. 8 s yn c s y nch r oni z ed s i g nal from the v ds o f sr mo s f e t . 9 gnd g r ound, e x posed p a d
sp 6019d s y nchrono u s re c tifier d r i v er 201 5 /04 / 3 0 v .1 p a g e 3 block di a gram ordering i n f o rm a tion p a r t n u m ber p ac k age p a r t m ark i ng sp 60 1 9 d s8 r g b s o p - 8 s p 6019d sp 60 1 9 d s 8 t g b s o p - 8 sp 6019d s p 6019 d t dn 8 r g b t d f n 3 x 3 - 8lc s p 6019d s p6019 d s8 r g b : ta p e reel ; pb C fr e e ; ha lo g e n - free s p6019 d s 8 t g b : t u b e ; pb C fr e e ; ha lo g en C f r ee s p 601 9 t dn 8 r g b : t a pe re e l ; p b C f r ee ; h a l o g en C free absou l t e m a x i m u m r a tin g s ( t a = 25 , u n less o t h e r w i s e s p ec i f ie d .) t h e f o ll o w i n g rati n g s d es ig n a t e p e r s i s te n t l i m i ts b e y o n d w h i ch d a m a g e to t h e d e v ice m a y o cc u r . symb o l p a r a m e t e r v alue u nit v dd d c supply v o l ta g e 16 v i out peak source c u r r ent (p u ls e d) 2.0 a peak sink c urre n t ( p ul s ed) 2.0 a p d p d po w er di ss i pa t ion @ t a =85 sop - 8 ( * ) power dissipation @ ta=85 tdn8 (*) 0.25 1.8 w w t j o pe r a ting j un c t i on t e m pe r a t u r e ran g e - 40 to125 t s t g s tora g e t e m pe r a t ure r an g e - 40 to 150 t l e ad lead s o lde r ing t e m pe r a t u r e f or 5 s e c. 260
sp 6019d s y nchrono u s re c tifier d r i v er 201 5 /04 / 3 0 v .1 p a g e 4 ther m al res i s t a n c e symb o l p a r a m e t e r v alue u nit r ? jc t h e r m al r e s is t ance j un ct i o n C c ase sop - 8 (*) 4 5 /w r ? jc ther mal resistan ce junction C case sop - 8 (*) 45 /w thermal resistance junction - case tdn8 (*) 8 /w ( * ) t h e po w e r d i s sip a ti o n a n d t h e r ma l r e sist a n c e a re e v a l u a ted un d e r c opp e r bo a rd m oun ted w ith f r e e a ir c ond i ti o n s. electric a l cha r a c teris t ics ( t a = 2 5 , v d d = 1 2 v , fre q . = 5 0 khz, d u t y c y cle= 50 %, un l ess o t h e r w i s e s p ec i f ie d .) symb o l p a r a m e t e r c on d i t ions m i n. t yp. ma x . u nit s upp l y i nput i dd s u pp l y c u rre n t no load 0 . 15 ma v s y nc = 0 v , v d d o n 3 4 ma v d d s u pp l y v o lta g e i d d p e ak < 2 a 16 v v d d o n e n a b le v o lt a g e 8 8 .5 9 v v dd h y s teres i s e n a b le v o lt a g e 0 . 2 5 0 .5 v v o v p o v er v o lt a g e p r o tecti o n 15 .5 16 .5 17 .5 v v o v p h y ster s i s 0 .3 v sync r e f e r e n c e (sy n c ) vs h t h sync h i g h t h re s h o ld 3 .5 3 .9 v vs l t h sync l o w t h re s h o ld 0 .9 1 .2 v v s yn c sync w a k e - u p v o lta g e i s yn c= 3 m a 9 1 6 v i s yn c sync i n p u t c u rre n t 3 ma v o lt ag e re g ulat o r r e f e r e nce (v r ) vr v o lta g e 5 .2 5 .4 v i vr vr o u tp u t c u rre n t 50 ma on ti m e duty s e t up ( p in 6 ) t o n - time 26 32 us m osfet g a t e d r i v e r (mos g - c) v o h o u tp u t h i g h v o lt a g e i o = - 200 m a 10 .5 1 1 .0 v v o l o u tp u t l o w v o lt a g e i o = 20 0 m a 0 .5 0 .8 v td p r o p a g ati o n d el a y no load 25 50 155 ns t p red no load 120 ns tr r i s e t i m e l o ad = 1 n f ( * ) 10 25 ns tf fall t i m e l o ad = 1 n f ( * ) 10 25 ns d y n a m ic p r o tect dt d yn a m ic v a r ia b le p in 4 op en 600 ns t o n - m i n mos g - c o n t i m e pw m a d j u s ts t i m e > dt 0 .5 us ( * ) t r & tf a r e m e a sur e d a m on g 10 % a n d 9 0 % o f st a rti n g a n d f i n a l v o lt a g e .
sp 6019d s y nchrono u s re c tifier d r i v er 201 5 /04 / 3 0 v .1 p a g e 5 p e r f o r m a n ce c h a r a c teris t ics ( t a =25 , u n l e ss o th e r w i s e s p ec i fi e d.) * f i g . 1 : no l o a d ; n o sy n c * f i g . 3 : fr e qu e n c y = 10 0 k hz * f i g . 4 ~5 : fr e qu e n c y = 6 5 k h z . * f i g . 6 : t h e f a lli n g ti m e o f n e g a t i v e e d g e f r o m 3 . 9 v to 0 . 9 v
sp 6019d s y nchrono u s re c tifier d r i v er 201 5 /04 / 3 0 v .1 p a g e 6 so p - 8 p a c k a g e outline
sp 6019d s y nchrono u s re c tifier d r i v er 201 5 /04 / 3 0 v .1 p a g e 7 td f n3 x 3 - 8lc p a c ka g e outline
sp 6019d s y nchrono u s re c tifier d r i v er 201 5 /04 / 3 0 v .1 p a g e 8 i nf o r m a tion p r o v ided is all e g ed to b e e x act a n d c o n s i s t e n t . sync p o w er c o r po rati o n p resu m e s n o resp on s ibili t y f o r t h e p e n alties o f u s e o f s u ch in f o r m ati o n o r f o r a n y v iolation o f p ate n ts o r o t h er r i g h ts o f t h ird p a r tie s , w h i c h m a y result f r o m its u s e. no lice ns e is g ra n ted b y all e g ati o n o r o t h e r w i s e u n d er a n y p ate n t o r p ate n t ri gh t s o f s y nc p o w er c o r po rati o n . c on d itio n s m e n tio n ed in t h i s p u b licati o n a r e s u b j ect to c h a n g e w i t h o u t n o tice. t h is p u b licati o n s u r p as s es a n d re p laces all in f o r m ati o n p re v i o u s l y s u pp lie d . sync po w er c o r po rati o n p r od u cts a r e n o t a u t h o rized f o r u s e a s c r itical c o m po n e n ts i n li f e s u ppo rt d e v ices o r s y s t e m s w i t h o u t e xp ress w ri t ten a pp r o v al o f sy n c p o w er c o r po rati o n . ? t he sy n c po w e r lo g o is a r e g ister e d trad e m a r k of sy n c p o w e r c or p or a ti o n ? 20 1 5 sy n c p o w e r cor p or a ti o n C p r i nted in t a i w a n C a ll ri g hts r e s e rv e d sy n c p o w e r corpor a t i on 7 f - 2 , no . 3 - 1 , p a rk st r ee t n a n k a n g district (n k s p ) , t a i p e i , t a i w a n , 1 15 , r .o.c p h o n e : 8 8 6 - 2 - 2 6 5 5 - 8 1 7 8 f a x : 886 - 2 - 2 6 5 5 - 8 4 6 8 h tt p : //w w w . s y n c po w e r . c o m
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