 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.1 SSC9502S application note (ver. 0.1) g ?>qt sanken electric co., ltd http://www.sanken-ele.co.jp ? * $ xqo?
c pb{ hloz ???-?3????tgl^?h o0x? pbw pz'x!?b? ?uk??b{ free datasheet http:///
SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.2 / / / / / / / / / / / / / / / / / :contents / / / / / / / / / / / / / / / / }?a } ? ? }? ? } ic ?ql ? } e $ } e\e } l ? ? 7.1 v cc z? ? z? 7.2 rv z? ? z? 7.3 fb z? ? z? 7.4 c ss z? ? z? 7.5 vsen z? ? z? 7.6 reg z? ? z? ) 7.7 oc z? ? z? 7.8 rc z? ? z? 7.9 vgh z? ? z?z vgl z? ? z? } jy!? 8.1 t?t??? 8.2 t? ? !? / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.3 }?a 4 4 $ 4 ??? ) j 4 j e f . 0 4 ' & 5 ? ? s? ?e ?eu ?s * $ f ?s? ?\ 4 0 1 y d ?s? ???0? de dg\?euy? ez_ f $. ?s? mt % f b e u j n f ?? u d ?geu ???? ? ? ? y f } ? ? ? ?? ? ? eu ? ? . 0 4 ' & 5 ye ??#? ?[? x $ e ? . ? - b u d i -? ?. ?y|??? $ vsya? - b u d i ? ? ?*y? x ?e ? % ead-time ? e t; ? . i]e0-?ht? ? brown in/brown out ? a ?v- ( o ver c urrent p rotection) e a ?v y 6z 3 ? ?- ?^ ? a ?y- ( o ver l oad p rotection) - atch | ? a ?y- ( o ver v oltage p rotection) - atch | SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.4 }? ? SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.5 } ic ?ql ? } ? ?? } z? z? ? terminal g ? symbol h description ; functions 1 vsen i] (ac line) e ?l detection of input ac line voltage terminal i] (ac line) e ?l detection of input ac line voltage 2 v cc ?o z? power supply terminal ?s ?eu 0 supply voltage for control 3 fb fb z? feed back terminal ?e ?s / @ 1 ?l control for output/detection of over load 4 gnd ?s ? ?? 0 ground for control terminal ?s ? ?? 0 ground for control 5 css css ? l soft start capacitor terminal ? \e? B ?l terminal for connection of capacitor for soft start 6 oc oc z? @e ? 0 over current detection terminal @e ? 0 detection of over current 7 rc rc z? ?e ? 0 resonance current detection terminal ?e ? 0 detection of resonance current 8 reg reg z? internal regulator terminal ( ate drive s?; i] ?o supply voltage output for gate drive circuit 9 rv rv z? ?e ? 0 resonance voltage terminal ? e ?l detection of resonance voltage 10 com 1 p x f s ? gnd z? ground for power terminal power ? gnd ground for power 11 vgl low- side gate l low-side gate drive terminal low side gate l low-side gate drive 12 | 13 nc nc B ? none 14 v b high-side mosfet eul high-side gate drive supply terminal high-side mosfet i]eu supply voltage for high-side gate drive 15 v s high-side mosfet ?l high-side drive floating ground terminal high-side mosfet ?l high-side drive floating ground 16 vgh high-sside gate l high-side gate drive terminal high-side gate l high-side gate drive 17 | 18 nc nc B ? none uvlo gn com vg vg gnd v cc v high side driver re vc css f r o r start/sto reg /bias ovp/latc main logic fb control frequency control oc detector rv detector rc detector sof - start /oc standby control dead tim v input s ense vse ol level shift freq ma 2 4 1 3 5 6 9 7 1 0 11 8 14 1 6 1 5 SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.6 } ? ? q } ? 07 g 5 b ? parameter z ? terminal g ? symbol f ? ratings ? unit ? ? note vsen z? e vsen terminal voltage 1-4 vsen 0.3 ? v reg v ? ? ? ?o e input voltage for control part 2-4 v cc 0.3 ? 35 v fb z? e fb terminal voltage 3-4 v fb 0.3 ? 10 v css z? ? css terminal voltage 5-4 v css 0.3 ? 12 v rc z? ? rc terminal voltage 7-4 v rc 6 ? 6 v 2 ? 2 ma dc rv z? ?v rv terminal current 9-4 i rv 100 ? 100 ma 1 ulse 40ns pulse 40ns oc z? ? oc terminal voltage 6-4 v oc 6 ? 6 v reg z?v z ?v reg terminal source current 8-4 i reg 20.0 ma vb vs z? ? voltage between vb and vs terminal 14-15 v b -v s 0.3 ? 13.0 v vs z? ? vs terminal voltage 15-4 v s 1 ? 600 v - 9 s storage temperature t stg 40 ? 125 ? ?] junction temperature tj 150 ? SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.7 } ? m ? ? q ? m ? ? ? q $?z a?h v cc 1 19v ta=25 ? f ? rating parameter z ? terminal g ? symbol min typ max ? unit ?? remark ? s??s? ?v start / circuit current ?^?? ?o ? operation start voltage 2-4 v cc (on) 10.2 11.8 13 v ?^ - ?o ? operation stop voltage 2-4 v cc (off) 8.8 9.8 10.9 v ?^s? ?v circuit current in operation 2-4 i cc (on) 20.0 ma ? ?^s? ?v circuit current in non-operation 2-4 i cc (off) 1.2 ma v cc =9v a? ?^s? ?v circuit current in latch-operation 2-4 i cc (l) 1.2 ma v cc =11v olp latch ?? ? latch olp latch / latch from outside fb z?v z ?v fb terminal source current 3-4 i fb -30.5 -25.5 -20.5 a fb z? ?? ?y fb terminal threshold voltage 3-4 v fb 6.55 7.05 7.55 v css z? ?? ? ? (1) css terminal threshold voltage(1) 5-4 v css (1) 7.0 7.8 8.6 v - atch r ? v cc ? latch circuit release v cc voltage 2-4 v cc (la.off) 6.7 8.2 9.5 v vcc (la.off) : maximum frequency 11-10 16-15 f (max) khz 7 g % ead-time maximum dead-time 11-10 16-15 t d(max) 1.90 2.45 3.00 s 7 ? dead-time minimum dead-time 11-10 16-15 t d(min) 0.25 0.50 0.75 s ?s? control # urst ?? fb z? ?v burst mode start fb terminal source current 3-4 i cont (1) -2.85 -2.50 -2.15 ma z? - fb z? ?v oscillation stop fb terminal source current 3-4 i cont (2) -3.0 ma ? soft start css z? e ?v css terminal charge current 5-4 i css (c) -0.21 -0.18 -0.15 ma css z? ? ?v css terminal reset current 5-4 i css (r) 1.0 1.8 2.4 ma v cc =9v SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.8 f ? rating parameter z ? terminal g ? symbol min typ max ? unit ?? remark a ?y- over voltage protection ovp ?^ v cc ? ovp operating v cc voltage 2-4 v ovp 28.0 31.0 34.0 v ?v? ] ?a ?v- detection of current resonant ? over current protection e ? x ?e uncontrollability detection voltage 7-4 v rc ? 0.055 ? 0.155 ? 0.255 v rc z? ?? ? (f - atch) rc terminal threshold voltage (frequency latch) 7-4 v rc (fl) ? 2.80 ? 3.05 ? 3.30 v oc z? ?? ? (low) oc terminal threshold voltage(low) 6-4 v oc (l) 1.42 1.52 1.62 v oc z? ?? ?y (high) oc terminal threshold voltage (high) 6-4 v oc (h) 1.69 1.83 1.97 v oc z? ?? ? (f latch) oc terminal threshold voltage (frequency latch) 6-4 v oc (fl) 2.80 3.00 3.25 v (l) 1.0 1.8 2.4 (h) 12.0 20.0 28.0 css z? sink ?v css terminal sink current 5-4 i css (fl) 11.0 18.3 25.0 ma ? ? u z detection of voltage resonant ? ? ] z? ? (1) rv terminal voltage detect resonance voltage(1) 9-4 v rv (1) 3.8 4.9 5.4 v ? ? ] z? ? (2) rv terminal voltage detect resonance voltage(2) 9-4 v rv (2) 1.20 1.77 2.30 v stand by ? burst oscillation frequency 5-4 f css 85 105 125 hz on ? off on ? off css z? ?? ? (2) css terminal threshold voltage (2) 5-4 v css (2) 0.50 0.59 0.68 v ] e ? input voltage detect function vsen z? ?? ? (on) vsen terminal threshold voltage (on) 1-4 vsen(on) 1.26 1.42 1.57 v vsen z? ?? ? (off) vsen terminal threshold voltage (off) 1-4 v sen(off) 1.06 1.16 1.26 v ?o supply of driver circuit ?o ? v reg terminal output voltage 8-4 v reg 9.9 10.5 11.1 v SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.9 f ? rating parameter z ? terminal g ? symbol min typ max ? unit ?? remark high-side high-side driver high-side driver ?^?? ? high-side drive operation start voltage 14-15 v buv (on) 7.3 v high-side driver ?^ - ? high-side drive operation stop voltage 14-15 v buv (off) 5.8 6.5 7.2 v s? drive circuit z? t p v s d f ?v vgl,vgh terminal out-flow source current 11-10 16-15 igl source igh source -600 ma z? sink ?v vgl,vgh terminal in-flow sink current 11-10 16-15 igl sink igh sink 600 ma } ? ? f ? rating parameter g ? symbol min typ max ? unit ?? remarks mic ?& ~ d ? mic junction-air j-a ? /w SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.10 } e ;s?? ? 4 4 $ 4 e ;s?? out vb vs vsen oc rv rc reg vcc vgh c o m vg l SSC9502S ci cv css gn d fb ? ? ?o SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.11 }; ? } + $ $ z? ? z? } } i ? ?^ v cc z? j ? m ? ?o z?z _ ? ? ?o 6 ? ? 7 1 { ?? 7 2v cc z? ? ?^?? ?o ? v cc (on) =11.8v(typ) q a ? z ? ms? ?? ?^z i]e -? ?^ - ?o ?y v cc (off)=9.8v typ ? < ?c ?] e-s? uvlo ? * e * $ t? ? m ? ^z6 ?? ? ?y { cv cc ? ? ? ? ~ v cc z? w x 0?? j ?#?o ? ? ?^z ? ]sh cf 0.1f 8? ?e? g } } t? a ? - ?d vc 1 l gnd l ?ye t@ 28.0v(typ) ?j? ic ? ?y ovp e ?? * d ? ] latch | d ic t?d f $ z 4\? ? 7 g 35v ?<{ } } t?a? * @e-? (ovp) e e@ 1-? (olp) *? ic ? ?y?i-5? low deu * t? f ac i]eu d vc 1 le vc 1 (la.off)=8.2v(typ) ?h latch * ? e cf cvcc vcc gn d 2 4 SSC9502S ? ? ?o ? 7 $ $ * s? ? s? ?v icc vcc 20 .0 ma ( max ) 1.2 ma ( max ) 11 .8v (typ ) 9.8v(typ) 9v SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.12 log ic reg s w2 s w1 cv crv lp 1 1 1 0 vg l c o m vg h vs rv ci SSC9502S 1 6 1 5 9 on off on ? ?v dv dt dt lo w-s ide vds } '+ z? ? z? 1 ?o ??? e t 1 % f b e u j n f ? ? { _] low-side mosfet vds t ? dv/dt z ? $ ? m high-side ? low-side mosfet ? zvs(zero voltage switching) ?^{ * $ ? ? r ] s? ?? 7 3 z? (e? $ s w (10p 8 ) ? B ?? vs z? ~ rv z? ? v ? l { dead-time ] s? j? ic o ? ? , j ? reg ~ gnd ?a e? , _ low-side mosfet ? vds t dv/dt ? crv @ ? ?v ? rv z? i ?z at] low-side mosfet ? dv/dt { _? ?? u ] ?a ? 8z sw1 ~ sw2 on * z ? s? ?v ? { ? ? s? e t ? q{ ? ?v ? i j z?< (1) { () dv/dt crv ? i kkkkkk 1 a_^ ?o ? a i y 6 dv/dt ? x ? t ~ crv e { { ? ?v? i t@ (2) ? ?v ? z ? crv 0 ?{ ?? dt y1 40ns ?< ? ? 100ma { dv 40ns 100ma i kkkkkk 2 ? 7 3 rv z? * s? ? 7 4 ? ?v ? i SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.13 ? 7 5 j % f b e u j n f ? e t; ? ?^ t j? { |!>fb834 "$() $ ? ? ? 8 low-side mosfet off ? z ic sw1 -5 on z ?t sw2 on { ? ?v j z ? cv z ci z lp z ? ? e cv ? ? z _ 0 | v ?? z ? i ? ?y high-side mosfet ? # p e z % j p e f ? v f ? ? z e ? high-side mosfet ? # p e z % j p e f z low-side mosfet ? vds 6 ?r { ? ? ?h?? ? ? ? ? { low-side mosfet ? vds t dv/dt ? crv ? ?v ? rv z? i] z rv z? ? j_ ic o ? e ? = z e ? ic o ? r { ? ? ?? z ? ?vz rv z? ? z ?q ic o ? ?e? = { ?? z ic z ? ? ]e (1) vrv(1) ? ? 8 ? ?= ?] z high-side mosfet ? on z ( z sw1 off { ? 8 h?? ? dead-time e t{ | 867b834 "$() $ ? ? 8 high-side mosfet off ? z ic sw2 -5 on z ?t sw1 on { ? ?v j z ? cv z ci z lp z ? ? e? cv ? ? z _i ? ? ? <?z ?-? low-side mosfet ? # p e z % j p e f v f ?< ? z e ? low-side mosfet ? # p e z % j p e f z high-side mosfet ? vds ? # p e z % j p e f r { ? ? ?h?? ? ? ? ? { low-side mosfet ? vds t dv/dt ? crv ? ?v ? rv z? i ?z rv z? ? j_ z ic o ? e? = ?? <?z r} ?? ic o ?? gnd ??{ ? ? ?? z ? ?vz rv z? ? z ?q ic o ? ?e? = {{ ?? z ic z ? ? ]e (2) vrv(2) ? ? 8 ? ?= ?] z low-side mosfet ? on z ( z sw2 off { ? 8 h?? ? dead-time e t{ ? % f b e u j n f ? e t; ?^ t SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.14 _ ? ? 8z dead-time 8 @ ?? z ?? 7 6 ?j z ? ? 8 m mosfet on z switching ? 6 ? g{ ?e ? ? 8z i ? ?yz i z ?? = ? ?o ?? * s? 2 ? e tz ? ic ? ? dead-time e t ?j rv z? ?i] ?? :q vrv(1) z vrv(2) z ? 2 \z ?? b zvs ?^{ ? ic z ?? 7 7 ?j z id( y= ) ?v ? 8 ( ? body-diode v ? 8 ) z t 450ns ? z c zcs (zero current switching) ?^{ ? 8 e y ? ?6 ?[ e-i ? ? z e} ?y ? ?? * ??? { ?4 z 450ns ?< ? z ? e ?vz ? z 8 $ z } ?v? e? ci 0?z e ?e lp = ?g e t{ ? 7 6 zvs ? m l t ? 7 7 zcs ? y ? SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.15 ? 0 - 1 ?^ } z? j z? fb l1t?h 3 h ? f ? ? m? ? a ?y- olp ? | ?= | l y ? m? fb z? B ??? z _ ? flyback ?v b ? ? ?s { ??? 2 ? ? ? ? ?-z? ? ctr ?? ? z fb z? e }? ? m ? ?a ? z? - fb ?v icont(2) = 3.0ma(typ) ? { ? 7 8 ? r2 d =? 680 { ?a ?y-$!%; 2 ?i za ?y ? za ?v- ocp ?^z ic ?^ ? z i z ?? ? mv{ a? z i z ? ?z _? 2 ?? ' m z c b d l ?v{ ' lyback ?v ?b z _ fb z? ?v i fb = 25.5 a typ z ? c7 f ?z ?? 7 9 ?j z fb z? ? a q fb z? ?? ? ? v fb 1 7 } 05v(typ) ? z - atch |?4 ic - * { ? 8 ? - b u d i p z?< (3) { () 25.5ua 7 c 25.5ua r1 4.05v tdly ? kkkkkk 3 r1=47k z c7=10uf ? z? 1 sec { 3 4 fb gn d r1 r2 c6 c7 pc1 SSC9502S ? ' # z? * s? SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.16 } $ 4 4 z? ? z? c ss z? 1t 2 h { ? ?oi ? ? ? ? ? ? - atch ? ?oi ? ? ? ; + ?? j1 c ss z? ? ={ ? z? . ?e?c* ? * { i ? c ss z? ? B ? c8 z ? c ss z? e ?v i css (c)= 0.18ma(typ) f ?z c ss z? ? _ 0v ??jo ea? ? _ 7? ? ?h z at# i z ??{ i ?z _? ? ?^ , ?s ? x ?? ? ? e { z v cc z? ? v cc (off)=9.8v(typ) ?<z e ? ? latch z ovp latch z olp latch ?^ ? z c8 ? f ? ? ?yz ? c ss z? ? ?v i css (r)=1.8ma(typ) ? l ?{ ? . ? - b u d i " bnormal ? - ?^z _ ? ?s?1c c ss z? ? y c ss z? ?? ?y v css (1)=7.8v(typ) ? ? z latch s? ?^{ ? ?s? e ? 100ua ? z $. a ?v ?^ _? sink ?v ? ic v ?z . ?? e v " ?h c4 ?? ?v $ ss l ? p 6 { latch r ? j? v cc z?? ? ? o 0 ' ' z v cc z? ? -? - b u d i r ? v cc ? v cc (la.off)=8.2v(typ) ?< ? { $ z? ?s? ?- ? c ss z? ye @ ? 7 g 7 ( ? 10vzener B ? r ? { ? c ss ?^ ? ? $ 4 4 z? * s? gn d 4 c8 5 css SSC9502S SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.17 } +b4= z? ? z? vsen z? j9 ?i ? ? z i ? ? -? z ic - (brown in/brown out { ? z ?? ? i ? ? ? z v cc z? ? v cc (off) ?< ? #? a i ? ?v e a ?{ ? 7 12 ? ? ? ? r4~r7 ] ? ? z vsen z? ? z ~ vsen z? ?? ? (on) vsen (on)=1.42v(typ) ? z ic i ? ~ vsen z? ?? ? (off) vsen (off)=1.16v(typ) ?<z ic -{ ic i ? dc i ? ? ein(on) z - ? dc i ? ? ein(off) ? z?< (4) { 7 r vsen(on) ) on ( vsen ein(on) 6 r 5 r 4 r + + ? z ) on ( ein vsen(on) vsen(off) ) off ( ein kkkkkk 4 c9 *? -]ey 3 j q q m f ~ ? g \ z ?= 0.1uf { a ? ? c ? r4 ? r6 z 4\ ?= }? e? 1 ? e q ?e? { $. z r4 ? r7 z c9 z 1? y 6 e t{ } 3 f h z? ? z? reg z? j? high-side mosfet y # ootstrap s?; ? regulator ? i z{ reg z? ~ v s z? ? z _ d2 z r9 z c11 ? # p p u t u s b q s?{ c11 ? ? abnormal fz v b v s ? z -? high-side driver ? v buv (off)=6.5v(typ) ?< ? e??? high-side driver - * { d2 z 4\ 3 ecovery time ? z ?v ? y ? diode { d ! % j p e f z ufrd vrm=600v ag01a z eg01a { c11 z 4\ ? esr z ?v ?? ' j m n e?e (e? { vsen g n d 1 4 rc1 c1 r7 c9 r4 r6 r5 SSC9502S ? 3 f h z? * s? $ 7 t f o z? * s? SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.18 } $ z? ? z? 1 1 1 0 reg vb vgh vs vg l c o m rv oc rc fb css vsen vcc gnd 6 7 5 3 1 2 4 c12 ci cv 1 6 1 5 9 8 1 4 SSC9502S c13 r10 r11 c8 i(h) oc z? ? a ?v ] z?{ ? 7 14 j oc z? * s?z a? v e? c12 a ?v? e? ci ?z ?? -] ?vz u ?]e? r10 ? ? ~4\ ? e? { ? ?oz _? ,1i ? / i a e e ? { y? ? ? ?v }?= z r10 z r11 z c12 z c13 z ? 21? 6 e t{ r10 z high-side mosfet on ?v i (h) z oc z? ?? ? (low) v oc (l) ~ c12 z ci ?? ? z ?< 5) { ? ? ? ? ? ? ? ? + ci 12 c 12 c i v 10 r (h) ) l ( oc kkkkkk 5 r10 ?] ? z ? ?7.8 rc z? ? ? \? x ]?j za ?v ] z? x ] \ z r10 z c12 ? ? e t{ x? r1 100 2? e t c12 z $ ?= ci y 1 ? 100 8 { filter ? r11 ? 470 8 z c13 ? 680pf 8 { a ?v- ?^ ? ?< 3 ??{ ? 0 z? ?? ? !>f+ $ ! 7 s y a ?v-z oc z? ? t@ oc z? ?? ? (low) v oc (l)=1.52v(typ) ? z c ss z? ? B ? y c8 ,c ss l ? sink ?v i css (l)=1.8ma(typ) ? l ?z 4 ic ? ? { c8 l ? z oc z? ? -? v oc (l) ?<z ?c -l ?{ ? 0 z? ?? ? 867+ $ kzl a ?v-{ oc z? ? t@ v oc (h)=1.83v(typ) ? z c8 ? css (h)= 20ma(typ) l ?z ic ? { i css (h) ? i css (l)11 zx ? { c8 l ? z oc z? ?y -? v oc (h) ?< ? z * 2 ? ? ?^{ ? $ z?`vm ? ?y???+ $ ! kgl a ?v-{ oc z? ? t@ v oc (fl)=3.00v(typ) ? z c8 ? i css (fl)= 18.3ma(typ) l ?z ic ? { c8 l ? z oc z? ? v oc (fl) ?< ? z c8 5? l ?z c ss z? ? z c ss z ? ?? ? (2) v css (2)=0.59v(typ) ?< ? z c ss z? ? l ? t -{ ? ?z i ? ?7 * z _ ? ?^6i ?{ ?i z yw x ?? a ?v ? - ?^{ ? 0 $ z? * s? SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.19 } ' z? ? z? rc z?z? ?v ] z?z 1t ?< g { ?? x ] ?a ?v ? - b u d i f latch ? do ? x ] o z ? 7 15 ?j z rc z? oc z? filter ? ?y 2 ? B ? { $ z c14 ?#?o ? ? ? * $ ?=d 100pf 8 { r10 z c12 z ? ?7.7 oc z? ? ? \ ? e tz 1 < g ?v? x ] ? v rc, :q?m ? ? r10 { ? x ? ?[ i ?z ?? ?o off z z? yw ??? ?^ t{ $ z ? rc z? e? t@ ? 7 g ? 6v { ? m x ] ? s? ??e? ?? ? z ,* zvs z zcs * z hard switching ? ?[ z4 ? g ? ? { ?? q ? h ?? ? x { ? x ] z ~ high-side mosfet on 8z rc z? ? z ?v? x ]e v rc = 0.155v (typ) e z _m ? ? ? t@??e ] ? x k? 7 20 ?e? ?? ? rc z? ? t?z ( z high-side mosfet off { ~ low-side mosfet on 8z high-side mosfet ? z v rc = 0.155v(typ) e z _ ?m ? ? t@??e z? x ] z low-side mosfet off { _ ? ? ?^z? x ?*] z ?^ ? ~ ? x ? ? z ? h m? x ?[ { ? ? s??? 1 1 1 0 6 7 5 3 1 2 4 reg vb vgh vs vg l c o m rv oc rc css fb vsen vcc g n d il cv c12 ci r10 1 6 1 5 9 8 1 4 SSC9502S c14 ? ) j h i t j e f ? x ] ? ? s??? SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.20 ?a ?v ?? - b u d i ' - b u d i rc z? ? z t@ rc z? ?? ? f - atch v rc (fl)= ? 3.05v(typ) ? z :? a ?v 6z * $ ? f - atch ?^? { f - atch ?^ ? z ? ?7.7 oc z? ? oc z? ?? ? y (f - atch)? ? { } + z? ? z?z+ ! z? ? z? vgh z?z vgl z? ? z? mosfet ? ( b u f % s j w f s z? sink/source ?v peak z 0.6a(typ) { ? 7 18 ? r12 z r13 z d4 z mosfet ? ?z ( ate t 1 ?s ? z 1 emi o ? ? e tz r14 z ? mosfet 5 v s o 0 g g x ?? dv/dt ? ?^w-;z ?= 10k ? 100k 8(8 ?? mosfet y gate = source = { r12 r14 d4 r13 ? . 0 4 ' & 5 ( b u f * s? SSC9502S preliminary application note ver. 0.1 copy right: sanken electric co., ltd. page.21 } ?- ?? : } t? ? ??? ~ ?v? ; ? ' j m n e? ci z @}? ? ?v{ ?v? e? ci d4\ ? ? g ?v; ?e??????? 1 olypropylene ' ilm e? { ~ i ? ? ? ? = ~?0 ? 1?? ?; a e o\ & ? ?{ } t??s ?- ?? ~ ??% gnd ?s~ ?v gnd ?s ? ? { ~ ? 9 z 4 ? z? gnd ~ 10 ? z? com ? ? y t?s z ? s? ?v v @ { ~ v cc z? ~? \ ? ? tv e? cv cc w x 0?? z ?#?o ? ? ?^z ? cf film e? 0 } 1 f 8 e?? ic ? { ~ ?oe q? a?? ? d_ noise ?? * e?* }yb f ?? ? ?t????y ??d! f ~ ? 9 z ?e e}e ???? ?y1t q6? e ?6? d? -t? f ~ ?? 8-2 ?j d ?e / }e @ ?? ?t ?& ( t ?& ) 8 ?? f ~ 4 witching ?oz at ? ? z? ? ? ?v z ? ??~@?s w x 2 2yg?? ??? { ~ mosfet y8 e? rds(on) 1tmy] d! s? f ? ?s ?- ? ?? ? $ j $ ? * t ?v?? ? 8-2 ? ? ?v - 0 0 1 |
Price & Availability of SSC9502S
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |