- 22 - ?? 1a??a??t? 1997 ?? 1 ? 1997 ? 1 ?a 1 ???? ?a???2??????a1??? ( sm ps ) ? ?? , 1??e?e? ???? , ye?1????3?? ?3????a sps ?eae??t ???? sps , ??y e????a1? ( samsun g power switch ) ? ????e , 2???a???????a1? ( smart power switch ) ?????e ? sps ??e? e pwm ???? ic o?e????e1|?? mo sf e t ( 3??a sense f e t , ?e?a sf e t ) ?to??e??? , ?? 1 ??a??????e?? , e? ????y??2???????????? bcb 2? ? ? ? sps ? a 2 ? to 2 220 ?? ?? ? to 2 3p ? to 2 3pl ????a , ?? 2 ??y??? o??1|??e? : dra in ?a sf e t ?a??? , gnd ?a? ,v cc ?a????1 , fb ?a?? , sof t start ( s ? s ) ?a??? ? sps 2??e pwm ?????? , ??e 1y???o1y??1|? ? sps ?????1? 2a1|?y?? mo sf e t ???e , ??|? ?e?tea?????e? ? sps ??e2?? ?? ea???t|? ? 2 sps ae? ? 1 sps ? pwm ic ? sf e t ?to??e??? ye????a1? sps ???|??y ?3F? ??e??? ?? ?aa : sps ?ye?1????3??? pwm ic ??????e1|?? mo sf e t ??? ???a1???t ?????? sps ??2??11 ?1?-???|??y ? 1??? : ? pwm ic ? sf e t ?? ? ????e pwm ? 1995-2004 tsinghua tongfang optical disc co., ltd. all rights reserved.
- 23 - 1|a? 20w ?? 200w , ?oe?a???? ?2 ? ??? ??????? ????? ??????o3? ??|?2??ee?1?o?|? ? 2 ? sps ??e2?????? sps ??e2?eo?e2??3 , ???e , ??????y??o???a : o??? , ?a????????????? , ? ?????? sps ?1|??2?y ??y? , ka1h038 o r , ??????1|???e + ??? , 1?a?a 100k hz , ?????a 3a , ?????1?a 800v , ?????????a????ea ??? ?? sps ??e2??e , ka ixx ??e2? 50k hz ? 70k hz o 100k hz ????e pwm ?????? , ?? ka2sxx ??e?1?a?? ?a 25 ?? 83k hz ? 3 ? sps ??2??11 ??a1|?? ???e?2??a2?y sps ?a?2??? ? 5v ????2??? ??1? ????? ?n??? ??????t ( l eb ) ?n 1?? ( t h ermal s/ d ) ? pwm ??? ?? ???y?? ?a??-?ao sense f e t ?2?? 3 , ? 3 ( a ) o? 3 ( b ) ?e?3??? ka ixx ? ka2sxx ??e1|???? ? sps ???????t??1? 15v , ???? ??? 0. 6ma ???a v cc ?? 15v , sps ? ?1 ? sps 1? 5v ??o?? , ??a v cc ?a?? 10v ,sps ????1??? ( u vl c ) ?a???1 sps 1 ? v cc ???? 32v , ? ? sps ??????t??1?? , 2?e??? ka ?? ?? ???? ???? ?? ???????? ?a?too : ???e ?a r oo : ????ea??? ?????1 : ? 10v ???? : ??? a 1?a ?a l : 1? 50k hz ?a m : 1? 70k hz ?a h : 1? 100k hz ?a s :25 ?? 83k hz ?????1|? ?a i : ?e + ??? ?a 2 : ? + a2??2? + ??? ye?1??? ( a ) ka ixx ??e?2??11?? ye????a1? sps ???|??y ? 1995-2004 tsinghua tongfang optical disc co., ltd. all rights reserved.
- 24 - ?? 1a??a??t? 1997 ?? 1 ? 1997 ? 1 ?a sps ?|??a?a?? ????3?????o , sps ? 1ma ????? sof t start ???? ????y? ( c s ) 3?? , ???y????1? 0v ?3??? 3v ?? c s ????1?? 3v , 3???a?e??t??1???1 , pwm ??? ????????12????? c s ????y , ?? ??? sm ps ?3???1???e?o? ?? sps 1?????o , c s ?? , ?? sps ??ea1 , c s ???????a?3?? ? sps ?????????2??????? ????y3?????e?3??????? a ?????a3y? 1v ? 3v , ????a 2v ?? ??y????? , ????a?e??????a 1y??????2?????ta?3? , ???? ???a 400ns , ???a1???? 30 % ???3?????y ?e?o????ta?3?3?????? , 3????? , ? ?t????????y2?3?1y 70 % ??? ka2sxx ??e sps 2?????a , ?????? ?? 90 % ??? ka2sxx ??e? sps ? s y nc/ sof t start ??a??2?e?o? , ? , sps ? tv ??o cr t ????|??e , ??? ??e???a1??? ? sps ? fb ????? sm ps ??3???? ? , ?1 sps a?ee??a1|? : ????? 3???1??? ; ?3?1y??? ; ??o???aa??t ?a?e????1 ???|??e , ????a ???????y c f b o1a???o???3? ?? sm ps ?3???1y?? , 1y???a1 sps ?e? mo sf e t ??????e? ?? sm ps ??3???1??e? , ? fb ???y c f b ?? ??1y?? , mo sf e t ???????? , 1y ?e pwm ???? , ???? sm ps ?3??? ????????1 ???3??a????a , c fb ????1?e3??? 8v , ???? , sm ps ?? 1?? ?????a?y31 , ????1? 0v ? 3v , ? sps ?? 1ma o 5 | a ? ?????? c fb 3?? , 2p1y1a???o?? ??3??????? sm ps ??3???1 ? ?1? sm ps ???3????a , c fb ? ?1 ? ? , ????1y??? 3v ?? , 1ma ??3? ??a?e??t??11??? , ???e 5 | a ? ???? c fb 3?? , ?1?1??3?a? ( b ) ka2sxx ??e?2??11?? ? 3 sps ?2??11? ? 1995-2004 tsinghua tongfang optical disc co., ltd. all rights reserved.
- 25 - ? ? sps ? sf e t ?????e??y31 ?????1?a 0 ?? 3v ?? rsense ?? ????1?a 3v , sf e t ?a???? ? ? ??e??2a1|?? sf e t ???e? o???? pwm ??? , 1y?? pwm ????? , ?? sm ps ??e???? ? sps ?1??e1y1??1|? ? sps ??? ??????e???1?l????a???e? ? ? sps ? ? ?a ? 3? 1y 155 ?? ( e ? ? 130 ?? ) , ??????3??1?? ??a1??3? ?? , ?????e?1??? , ??o?? ? sps ?e?????t?a , ???2a ? a ?e ? ?? ? ?? ? a? 2 ? , ? ? ?? 3y sm ps ??1?3?????e??|?2e?3???? ??????-a?3??a? , ???ee??1?? ?2a?a????1 mo sf e t ? ? sps ??e??t????1|?? i d ?? ? 3a ? 10a , ?????1 v dss ?y 800v , ?? r ds ( on ) 2? ? 5 |? , e??? 1. 2 |? ? sps ? ? 85 ?? 265v ???|??1?a1 , ?? ??e??? ??? to pswitch ??t?? , sps ?1|a?? , e???? ? sps ??e? ?t?e?e?2?eo? ?a ??a2?y??|? ?? 1 ? 4 ? sps |??e 2? ka2s068 ??? 15 ?2?? ??a1????a?? 4 ??? sm ps ? ac ? ???1????? 85v ? 265v , ???3?1| a?a 80w , ea?a 70 % , dc ?3???1e a : + 85v / + 50v / + 13v / + 12v / - 12v / + 7v , 1?a???a 31 ?? 64k hz ? t 1 ? c1 ? c2 o c3 ?3 em i ?? a?2? , d 1 ?? d 4 ?a?????? , c4 ????? ?ya?2? ?????1?3??? ( ? ) ?? ka 2s0680 ? sf e t ?a?????? , 3???? ?? ? d 8 ? d 9 ? r 5 ? c9 ?3 sps ??? ?????a , 1y ka 2s0680 ?? 3 ?a sps 1?1|??1 ???1????? dc ?3???1?- ? ? ? ? a? 2 1y 1a ? ?? o? ? ? ? ? ka 2s0680 ??? 4 , ? , sps ?? sf e t ??a?????2ae?o?a??3??1e?o??? ? pwm ??? , sps 1y?? pwm ??? ?? , 1 sm ps ?3???? dc ??1 ? 2??????1 v in ?1?a f ?a?? ?1|a p in ? ?3?1|a p o oea |? ?? 2 ? ? ?? sm ps ?e , 1a ?? o? ? 2 ? cq y80n g , ????a?t??????? 3 ? 2??a????y?????y??a? sps ye????a1? sps ???|??y 2 ?? sps ? 15 ?2??? smps 2a?y?y v in p , |? f 32 khz 64 khz p in p o |? p in p o |? 90 v ac 72 w 51 w 70 % 83 w 58 . 44w 70 % 265 v ac 77 w 52 . 45w 68 % 85 w 60 w 70 % 1 ?? sps ?aeo? ?a ?2?y??|? e ????o? a ???? i d ( a ) v d s s ( v ) 1|a ( w ) r d s ( o n ) 1?a ( khz ) | ????? ka il0380 to 2 220 f/ p ( 4 ) 3 800 50 5 . 0 ( i d = 1. 5a ) 50 vcr/ 3??? ka im0380 r to 2 220 f/ p ( 4 ) 3 800 50 5 . 0 ( i d = 1. 5a ) 70 ??? ka ih0380 r to 2 220 f/ p ( 4 ) 3 800 50 5 . 0 ( i d = 1. 5a ) 100 ??? , a?? ka im0680 to 2 3 p ( 5 ) 6 800 100 1 . 9 ( i d = 3a ) 70 pc ,smps ka im0880 to 2 3 p ( 5 ) 8 800 150 1 . 4 ( i d = 4a ) 70 pc ,smps ka im1080 to 2 3 p ( 5 ) 10 800 200 1 . 2 ( i d = 5a ) 70 pc ,smps ka2 s0680 to 2 3 p ( 5 ) 6 800 100 1 . 9 ( i d = 3a ) 25 83 ?? ( 14 ?? ,15 ?? ) ka2 s0880 to 2 3 p ( 5 ) 8 800 150 1 . 4 ( i d = 4a ) 25 83 ?? ( 15 ?? ,17 ?? ) ka2 s1080 to 2 3 p ( 5 ) 10 800 200 1 . 2 ( i d = 5a ) 25 83 ?? ( 19 ?? ,21 ?? ) ? 1995-2004 tsinghua tongfang optical disc co., ltd. all rights reserved.
- 26 - ?? 1a??a??t? 1997 ?? 1 ? 1997 ? 1 ?a ? 4 sps ? 15 ?2??? sm ps ?e?|? o , ?1 sm ps ?a??a??? , 2r??? sm ps ????e? , 1????ee?e?o??? ??? ? ?o? : 970306 ?? : ???????a?ee????????ye??1? ??????2?1?????2?a? ?? ? : ( 010 ) 68421302 , ??? :68421301 ? ? ? ? ? ? ? ds1245 ?1 dallas 1????3?? 128k ? 8 ?? ??????? , ?? sram ??????y ?y???e?? rom ?y?y??e??? , ???????a 70ns , ??o , y?y???? 10 ? , ??????1??2?????a , ??e e?1|? , 1?e???y?y?t? ? ??e???2? cmo s 1R? , 1|??1?? 4. 5 ?? 5. 5v , 1|o?? , 1|? 85ma , ?2? ????a 3ma , 1?a? - 45 ?? + 85 ?? , e 32 ?? d ip o 34 ?? l pm a?1? ? ?o? : 970315 ?? : ????t???o?1???a? ??? : ??2e??a 230 o?????? 301 , ? ? : ( 029 ) 8497746 , 8481452 ?? ?a??t??? ? 1995-2004 tsinghua tongfang optical disc co., ltd. all rights reserved.
- 27 - ?? ?a??t??? ??e?? ????a 12 ?? dac si g nal processin g technolo g ies , inc . ( sp t ) ??e?3??3???ea? 12 ??y???a a??? ( 12 2 bit di g ital 2 to 2 analo g co nverter , dac ) ??e ? sp t9712 o sp t9713 ????a dac , a???a??????? 1 ? ( m w ps ) ? ??? dac ??????? 40m hz ??? ( multi p l y in g bandwidt h of 40 m hz ) , ?? ?? ( set tlin g time ) ???a 8ns ??? ecl ??y? sp t9712 ?1|ao??a 600mw , ??? t tl ??y? sp t9713 1|ao??a 640mw ? sp t9712 o sp t9713 ???y?o?3 ( direct di g ital s y nt hesis ) ?????a???o ?a2e?2??e???y?a??? , 1? o|??2 ??e?????a?? ???o2a? ?? ?????????t??? ???ee???t ???o????a ? sp t9712 o sp t9713 e 28 ??????e ?2??a ( dual 2 in 2 line p acka g es , d ip ) o 28 ????y??e??????a ( p lastic leaded chi p carriers , pl cc ) ??????a?????a - 40 ?? + 85 ??? ?o? : 970316 ?|???a tc32m tc32m ??1 telco m 1????3??? ?????3?y??|???a , ?1?? 2?1R???1|? , ?o?e???????a / 1? ??????? ????1??oa2?????? a , 3?? , ??ye? , a??a?t , 1|?? , ?|???32?????1 ? ?a?? : ??????1 :5v ?????1????? :700ms ?? ( y?? ) to 2 92 o so t 2 223 a ???2?1|o? :0. 25mw ???o?1R?? |? : ???|?|???3 ???3?1????????o????? ??????? ??????3 ??????????? ?o? : 970317 ?? : ????????????2?a|a? ?? : ??2e32??a 87 o?o??1y 409 , ?? : ( 029 ) 5264300 2 2409 , a??? : ? e ? ye????a1? sps ???|??y 3 ???t??1 ??yo?2?y????? ?t ?????? ????1 d1 d4 : in5399cp ( 1000v ,1. 5a ) d5 ? d6 : r gp02 - 12 e ( 1. 2kv ,0. 5a ) d7 : in4148 ( 75v ,150ma ) d8 : in4937 ( 600v ,1a ) d9 : in5399 ( 1000v ,1. 5a ) d11 ,d12 : in4937 ( 600v ,1a ) d14 :31df6 ( 600v ,2. 5a ) d15 : ir5 gu41 ( 600v ,1a ) d16 ,d17 : r g2rv ( 70v ,1. 5a ) ? ????y ????? c1 :470nf/ 250v c2 ,c3 :4. 7nf/ 125v c4 :220 | f/ 400v c5 :10nf/ 2kv c6 :220 p f/ 1kv c7 :100nf/ 100v c8 :1 | f/ 50v c12 :1000 | / 16v c13 :100 | f/ 100v c14 :330 p f/ 1kv c16 :1000 | f/ 16v c17 :1000 | f/ 25v c21 :1000 | f/ 16v c22 :47nf/ 100v ? ???? ????? r2 :56k/ 3w r3 ,r4 :8. 2k/ 3w r5 :68k/ 2w r17 :10 |? / 2w ? 1995-2004 tsinghua tongfang optical disc co., ltd. all rights reserved.
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