PN8106 chipown 8/f, chuang yuan buildin g no. 21 - 1 chang ji ang road, wuxi new destrict t el: + 86(510) 8521 - 7718 h t t p : / / w w w . c h i p o w n . c o m . c n rev . b . 1 10 6 1 / 8 l ow s tan dby - po we r of f - li ne pwm conve r ters gener a l d e s cr i pti o n t h e p n8 1 0 6 c o n sists o f a n in teg ra ted p u lse w id t h m o d u lat o r ( p w m ) c o n tro l ler a n d p o w e r m osf et , sp e c if ica ll y d e sig n e d f o r a h ig h p e rf o rm a n c e o ff - li n e c o n v e r ter w it h m in i m a l e x tern a l c o m p o n e n ts. pn 8 1 0 6 o f f e rs c o m p lete p ro tec ti o n c o v e ra g e w it h a u to m a ti c se lf - r e c o v e r y fe a tu re in c lu d i n g c y c le - by - c y c le c u rre n t li m it in g (ocp ), o v e r v o lt a g e ( ov p ) a n d o v e rlo a d p r o tec ti o n (ol p ) , o v e r tem p e r a tu re p r o tec ti o n ( ot p ) a n d s o f t - sta rt. bu rst m o d e o p e ra ti o n a n d d e v i c e v e r y lo w c o n su m p ti o n h e lp s to m e e t th e sta n d b y e n e rg y sa v in g re g u latio n s. ex c e ll e n t e m i p e rf o rm a n c e is a c h iev e d w it h f re q u e n c y m o d u latio n . t h e d e v ice c o n sists o f t h e h ig h v o lt a g e sta rt - u p c ircu it . t h e d e v ice p ro v id e s an a d v a n c e d p latf o r m we ll su it e d f o r lo w sta n d b y - p o w e r a n d c o st - e ff e c ti v e f l y b a c k c o n v e rters . features internal 73 0 v avalanche - rugged power mosfet o p e ra ti n g f re q u e n c y ( 60khz ) f requency modulation for low emi burst - mode operation no - load consumption power < 4 0 mw @ 2 20 v ac built - in s oft s tart internal hv start - up circuit open fr ame o utput p ower > 18 w @230 v ac excellent protection coverage : ? over temperature protection (otp) ? adjustable and accurate o ver v oltage p rotection (ovp) ? adjustable pulse - by - pulse o ver c urrent p rotection (ocp) ? over load protection (olp) ? auto - recovery prote ction mode applications switch ac/dc a daptor and battery charger auxiliary power for white goods , pc ,audio lcd /pdp tv power led drivers pin assignments typical application schematic gnd vdd comp ctrl sw sw ( nc ) nc dip 8 / dip 7 c t r l gnd comp snubber ac 85 ~ 265 v dc output fb block control block otp block hv start block pwm switch & gate driver supply & uvlo vdd sw pn 8106 http://
pn 8106 8/f, chuang yuan buildin g no. 21 - 1 chang ji ang road, wuxi new destrict te l: + 86(510) 8521 - 7718 h t t p : / / w w w . c h i p o w n . c o m . c n rev . b . 1 10 6 2 / 8 pin definitions t able 1. pin definitions pin number pin name pin function description 1 gnd ground . 2 vdd positive supply voltage input . . 3 ctrl control pin of adjustable pulse - by - pulse current limiting and output voltage monitoring. 4 comp v oltage feedback. by connecting a opto - coupler to close the control loop and achieve the regulation. 5 nc no connection 6 7 sw h v mosfet d rain p in. the drain pin is connected to the primary lead of the transformer . 8 no te: nc p i n c a n n o t b e c o n n e c ted ty p i ca l p o w er t able 2. typical power part number adapter (1) open frame (2) PN8106 230 v ac 16 w 18 / 23 w 85 - 265 v ac 10w 12 / 17 w no te: 1 . t y p ica l c o n ti n u o u s p o w e r in a n o n - v e n ti late d e n c l o se d a d a p ter m e a su re d a t 5 5 c a m b ien t te m p e ra tu re . 2 . m a x im u m p ra c ti c a l c o n ti n u o u s p o w e r in a n o p e n - f ra m e d e sig n a t 5 5 c a n d 2 5 c a m b ien t. a bs o l ute m a x i m um r a ti n g s s u p p ly v o lt a g e p in v dd . . - 0 . 3 ~ 2 0 v hig h - v o lt a g e p in , sw . 7 3 0 v p i n ct rl , comp - 0 . 3 ~ 5 . 5 v o p e ra ti n g ju n c ti o n t e m p e r a tu re - 4 0 ~ 1 4 0 s to ra g e t e m p e ra tu re ra n g e - 5 5 ~ 1 5 0 l e a d t e m p e r a tu re . 2 50 p a c k a g e t h e r m a l re sista n c e ( di p - 8) . . 1 0 0 /w p o w e r diss ip a ti o n ( di p - 8 , a t am b ien t t e m p e ra tu re = 8 5 ) . . 1 w es d v o lt a g e p r o tec ti o n ( hbm ) . 4 . 0 k v p u lse d ra i n c u rre n t 3 . 0 a
pn 8106 8/f, chuang yuan buildin g no. 21 - 1 chang ji ang road, wuxi new destrict te l: + 86(510) 8521 - 7718 h t t p : / / w w w . c h i p o w n . c o m . c n rev . b . 1 10 6 3 / 8 electrical characteristics (t j = 25 c , v dd = 14 v ; unl es s ot her w i se spe ci f i ed) t abl e 3 . p o w er se ct i on symbol parameter conditions min typ ma x unit v bvdss break - d o w n v o lt a g e i sw = 250u a, v comp = gnd, t j = 25 730 750 v i off off - state drain current v sw = 600 v, v comp = gnd 100 u a r ds( o n) drain - source on state resistance i sw = 0. 4 a, v comp = 3v, v luv = gnd,t j = 25 6 7 i sw = 0. 4 a, v comp = 3v, t j = 125 12 14 c oss effective output capacitance v sw = 0~640 v 22 pf t abl e 4 . su ppl y se ct i on symbol parameter conditions min typ max unit voltage v sw _start drain - source start voltage 60 80 100 v i dd_ch s tart u p c h a rg in g c u rre n t v sw = 1 0 0 v, v comp = gnd, v dd = 4 v - 3 m a v sw = 1 0 0 v , v comp = gnd, v dd = 4 v af ter f a u lt . - 0.6 m a v dd operating voltage range after turn - on 8.5 18 v v ddclamp v dd clamp voltage i dd = 20 ma 20 v v ddon v dd sta rt u p t h re sh o ld v sw = 120 v , v comp = g nd 1 2 1 3 1 4 v v dd of f v dd u nder voltage shutdown threshold 7 8 9 v v dd(restart) v dd restart voltage threshold v sw = 120 v, v comp = gnd 4 4.5 5 v supply current section i dd0 operating supply current, not switching v comp = gnd, f sw = 0 khz, v luv = gnd, v dd = 10 v 0 . 9 m a i dd1 operating supply current, switching v sw = 120 v, f sw = 6 2 khz 1. 7 m a i dd _ f a u l t operating supply current, with protection tripping 280 350 u a i dd _o f f operating supply current with v dd < v dd_off v dd = 7 v 240 300 u a
pn 8106 8/f, chuang yuan buildin g no. 21 - 1 chang ji ang road, wuxi new destrict te l: + 86(510) 8521 - 7718 h t t p : / / w w w . c h i p o w n . c o m . c n rev . b . 1 10 6 4 / 8 t abl e 5 . c ontr ol l er se ct i on (t j = 25 c , v dd = 14 v ; u nl e ss ot her w i se spe ci f i ed) symbol parameter conditions min typ max unit co m p p in v comp_olp over load shut down threshold 4. 5 4. 8 5.2 v v comp_lin linear dynamics upper limit 3. 1 3.4 3. 6 v v comp_bm burst mode threshold voltage falling 0.45 v v comp_bm_hys burst mode hysteresis voltage rising 50 m v i comp f e e d b a c k so u rc e d c u rre n t v comp = 0.3 v - 150 - 200 - 280 u a 3.3 v < v comp < 4.8 v - 3 u a ctrl pin v ctrl_ l low level clamp voltage i ctrl = - 100 ua 0.5 v current limit i dlim max drain current limitation v comp = 4 v, i ctrl = - 1 0 a t j = 25 c 0. 72 0. 8 0. 88 a t ss soft - start time 8 .5 ms t on_min minimum turn on time 4 5 0 ns td propagat ion delay 150 ns t leb leading edge blanking 300 ns i d_b m peak drain current during burst mode v comp = 0.6 v 160 180 m a oscillator section f osc switching frequency v dd = operating voltage range, v comp = 1 v 5 4 6 0 6 6 k hz fd freque ncy variation 5 k hz fm modulation frequency 250 hz d max maximum duty cycle 70 80 % over voltage protection ( ovp) v ovp over voltage protection threshold 2.7 3 3.3 v t s t r o b e over voltage protection strobe time 2.2 us thermal section t sd thermal shutdown temperature 1 4 0 160 c t hyst thermal shutdown hysteresis 30 c
pn 8106 8/f, chuang yuan buildin g no. 21 - 1 chang ji ang road, wuxi new destrict te l: + 86(510) 8521 - 7718 h t t p : / / w w w . c h i p o w n . c o m . c n rev . b . 1 10 6 5 / 8 typical circuit figur e 1. flyba ck appl i cat i on (bas i c) figur e 2. flyba ck appl i cat i on g n d v d d c t r l c o m p s w s w n c n c pn 8106 + - dc output ac input c 1 r 1 c 2 d 1 d 2 r 2 c 3 c 4 d 3 c 5 r 3 r 4 r 5 r 6 c 6 u 1 u 2 pc 817 tl 431 + - dc output ac input c 1 r 1 c 2 d 1 d 2 r 2 c 3 c 4 d 3 c 5 r 3 r 4 r 5 r 6 c 6 u 1 u 2 pc 817 tl 431 daux rovp rlim g n d v d d c t r l c o m p s w s w n c n c pn 8106
pn 8106 8/f, chuang yuan buildin g no. 21 - 1 chang ji ang road, wuxi new destrict te l: + 86(510) 8521 - 7718 h t t p : / / w w w . c h i p o w n . c o m . c n rev . b . 1 10 6 6 / 8 operation description 1. s tar tup a t s tar t u p , th e i n ter n al h i g h - v o ltag e cu r r en t s o u r ce s u p p lies th e in ter n al b ias a n d ch ar g e s t h e ex ter n al vdd ca p ac i to r . w h en vdd r ea c h es 1 3 v, th e d ev ice s tar ts s w itc h in g a n d th e in ter n al h i g h - v o ltag e c u r r en t s o u r ce s to p s ch ar g in g t h e ca p ac ito r . t h e d ev ice is in n o r m al o p er atio n p r o v id ed vdd d o es n o t d r o p b elo w 8 v. a f ter s tar t u p , th e b ias is s u p p lied f r o m t h e au x iliar y tr an s f o r m er w i n d in g . w h en h ig h v o lta g e c u r r en t so u r ce is tu r n ed o n , th e c h ar g e c u r r en t o f t h e vdd ca p ac ita n ce is 3 m a . i f a f au lt h ap p en , th e cir cu it e n ter a u to - r ec o v er y m o d e an d i dd ch ar g e cu r r en t i s tu r n ed to 0 . 6 m a . 2. s of t - star t up i n th e p r o ce s s o f s tar t u p , th e c u r r en t o f d r ain i n cr ea s e s to m a x i m u m li m ita tio n s tep b y s tep . a s a r es u lt, it ca n r ed u ce th e s tr es s o f s ec o n d ar y d io d e g r ea tl y a n d is p r o p it y to p r ev en t th e tr a n s f o r m er t u r n i n g in to th e s at u r atio n s tates. t y p icall y , t h e d u r atio n o f s o f t - s tar t i s 8 .5 m s . 3. g at e d r iver t h e in ter n al p o w er mo sf e t in p n8 1 0 6 is d r iv en b y a d ed icate d g ate d r iv er f o r p o w er s witch co n tr o l. t o o w ea k t h e g ate d r iv er s tr en g t h r es u lts i n h ig h er co n d u c tio n a n d s w itc h lo s s o f mo s fet w h i le to o s tr o n g g ate d r iv e r esu lts i n w o r s e emi. a g o o d tr ad eo f f is ac h ie v ed th r o u g h t h e b u i lt - in to te m p o le g ate d esig n w it h p r o p er o u tp u t s tr en g th a n d d ea d ti m e. t h e g o o d e mi s y s te m d e s ig n a n d lo w id le lo s s i s ea s ier to ac h ie v e w it h t h is d ed icate d co n tr o l s ch e m e. 4. os c il lator t h e s w itc h i n g f r eq u e n c y o f p n8 1 0 6 is in ter n all y f i x ed at 6 0 k hz. no ex ter n al f r eq u e n c y s ettin g co m p o n e n ts a r e r eq u ir ed f o r p c b d esig n . t h e f r eq u en c y m o d u la tio n is i m p le m e n ted i n p n8 1 0 6 . so th at, it m i n i m izes t h e co n d u ct io n b an d e mi an d th er ef o r e ea s es th e s y s te m d esi g n b ec au s e th e to n e e n er g y co u ld b e s p r ea d o u t . 5. f e e d - b ac k t h e p n8 1 0 6 is a cu r r en t m o d e co n t r o lled d ev ice. t h e f ee d b a ck v o lta g e is co m p ar ed w it h an in ter n all y g e n er ated s a w - to o th w av e f o r m . t h is co n tr o ls th e d u t y c y cle d ir ec tl y . 6. over l oad p r ot e c tion (olp ) ov er lo ad is d ef i n ed as th e lo a d cu r r en t e x ce ed in g a p r e - s e t l ev el d u e to an ac cid en t e v e n t a s a f a u lt. i n t h is ca s e, t h e p r o tectio n cir cu it s h o u ld b e ac tiv ated to p r o tect th e smp s. i f v c om p ex ce ed s 3 . 4 v, th e f ee d b ac k in p u t d io d e is b lo ck ed an d th e 3 u a c u r r en t so u r ce s ta r ts to ch ar g e c c om p s lo w l y u p . i n th is ca s e, v c om p in cr ea s es u n til it r ea ch e s 4 . 8 v, w h e n th e s w itc h in g o p er atio n is ter m i n ated . t h e d elay ti m e f r o m t h e o v er lo ad d etec tio n to th e d ev ice s h u td o w n r eq u ir ed to ch ar g e c c om p f r o m 3 . 4 v t o 4 . 8 v w it h a 3 u a c u r r en t so u r ce . 7. bu r st - m od e op e r at io n p n8 1 0 6 en ter s b u r s t - m o d e o p er atio n in o r d er to m i n i m ize t h e p o w er d is s ip atio n in s ta n d b y m o d e. a s t h e lo ad d ec r ea s es, th e f ee d b ac k v o lta g e d ec r ea s es. w h en t h e v o lta g e o n c om p p in f all s b elo w 0 . 4 5 v t y p , v c om pbm , t h e d ev ice en ter s
pn 8106 8/f, chuang yuan buildin g no. 21 - 1 chang ji ang road, wuxi new destrict te l: + 86(510) 8521 - 7718 h t t p : / / w w w . c h i p o w n . c o m . c n rev . b . 1 10 6 7 / 8 b u r s t m o d e an d p o w er mo s f e t s to p s s w itch in g . i t c an b e s w itc h ed o n ag a in o n ce t h e v o lt ag e o n c o mp p in ex ce ed s 5 0 m v o v er v c om pb m . t h e s w itc h i n g f r eq u e n c y co n tr o l a ls o eli m in a tes t h e au d io n o is e at an y lo ad in g co n d itio n . 8. adju stabl e c u r r e n t lim it of o ve r c u r r e n t p r ot e c tion (oc p ) c y cle - by - c y c le cu r r en t l i m iti n g i s o f f er ed in p n8 1 0 6 cu r r e n t m o d e co n v er ter . t h e s w itc h cu r r en t is d etec ted b y a s e n s e r esis to r in to th e s en s e p in . t h e cu r r en t li m iti n g co m p ar ato r is d is ab led an d ca n n o t tu r n o f f t h e p o w er mo s fet d u r in g th e b lan k i n g ti m e. p n8 1 0 6 h av e a m a x i m u m c u r r en t li m it. an d al s o , th e s y s te m d es ig n er s co u ld r eg u la te th i s p ar a m eter th r o u g h c h an g i n g th e r li m v al u e. s ee f ig u r e 3 . figur e 3. c u rr ent l i m i t vs r l i m . 9 . ov e r v o l ta g e pr o t ecti o n(ov p ) ovp f u n ctio n i s ac h ie v ed b y c t r l p in w h ic h co n n ec ts w i t h th e a u x iliar y tr a n s f o r m er t h r o u g h th e d i v id ed r esis ta n ce in o r d er t o co n tr o l a n d m o n ito r th e o u tp u t v o lta g e. w h ile c t r l p in v o ltag e i s d etec ted d u r in g th e mo sf e t o f f - ti m e, if th e d etec ted v o ltag e e x ce ed s 3 v f o r s eq u en tial f o u r c y cle s , th en o vp o u t sig n al t u r n i n to 1 , o v er v o ltag e p r o tectio n en ab le. as a r esu l t, th e d ev ice s h u t d o w n an d s y s te m e n ter s a u to - r ec o v er y m o d e o p er atio n . 10. abou t c t rl p in t abl e6. c t r l pi n co nf i g ur at i ons 11 . over t e m p e r at u r e p r ot e c tion (otp ) t h e p o w er mo sf e t an d co n t r o l c h ip ar e in teg r ated , m a k in g it e asier f o r co n tr o l c h ip to d etec t th e te m p er at u r e o f mo sf e t . i f th e te m p er at u r e ex ce ed s ab o u t 1 6 0 ot p f au lt is ac t iv ated . function option al rlim rovp daux a d j u s tab le current limit yes see f ig ure 3 no no ovp yes =68 k yes yes a d j u s tab le current limit+ ovp no / / / 450 500 550 600 650 700 750 800 850 9 14 19 24 29 34 39 44 49 54 59 64 69 r_limit (k) id_limit (m a ) r_limit vs id_limit
pn 8106 8/f, chuang yuan buildin g no. 21 - 1 chang ji ang road, wuxi new destrict te l: + 86(510) 8521 - 7718 h t t p : / / w w w . c h i p o w n . c o m . c n rev . b . 1 10 6 8 / 8 package dimensions dip8 / dip7 t abl e 7 . d ip8 m echa ni cal data size symbol min(mm) max(m m ) size symbol min(mm) max(m m ) a 9.30 9.50 c2 0.50 a1 1.524 c3 3.3 a2 0.39 0.53 c4 1.57typ a3 2.54 d 8.2 8.8 a4 0.66typ d1 0.2 0.35 a5 0.99typ d2 7.62 7.87 b 6.3 6.5 1 8otyp c 7.2 2 8otyp c1 3.3 3.5 3 5otyp figur e4. pack age di m ensi ons
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