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| Datasheet File OCR Text: |
| SD7408 210w d ??? SD7408 ? 210w ? d ?? ? SD7408 ??? hsop-28 elqfp-48 ????? SD7408 ?????? ?? ? * ? 29.5w @ v cc =12v rl=8 ? thd=10% 210.5w @ v cc =17v rl=16 ? thd=10% * ? 8.5v~18v * ?? 90% * ????15.3 21.2 27.2 31.8db * * ?? * ?? * ? ????? * ? ? * y?? * lcd ? tv ? ? ?? ? ?? SD7408 hsop-28-375-0.8 SD7408 ? ? SD7408tr hsop-28-375-0.8 SD7408 ? SD7408ls elqfp-48-7 7-0.5 SD7408ls ? SD7408lstr elqfp-48-7 7-0.5 SD7408ls ? ?????? ? 1.0 2010.05.17 http: //www.silan.com.cn 15? 1?
SD7408 ?? ?????? ? 1.0 2010.05.17 http: //www.silan.com.cn 15? 2? ? ?? av cc pv cc 20 v r l 6 ? ? p diss 2.5 w ? t stg -55~+150 c ? t amb -40~+85 c t j +150 c SD7408 30 c/w ?? r th(j-a) SD7408ls 50 c/w h- bridge vclampr bsrn routn bsrp routp rinn rinp vclampl bsln loutn bslp loutp rosc cosc gain0 gain 1 linn linp modulator diff amp h- bridge modulator diff amp oscillator gain control SD7408 ?????? ? 1.0 2010.05.17 http: //www.silan.com.cn 15? 3? ( ??v cc =12v r l =8 ? f=1khz t amb =25 c) ? ? ? ?? av cc pv cc 8.5 12.0 18.0 v ? i q sd=2v filterless operation and no load 10 15 ma ?? i q(sd) sd=0v 1.0 25 a 5v ??? av dd i l =10ma sd=2v v cc =8.5v~18v 4.5 5.0 5.5 v 2.5v ??? v2p5 no load 2.5 v i o =1a high side 300 i o =1a low side 300 ??? r ds(on) total 600 800 m ? ? f sw set by rosc and cosc 200 300 khz thd=1% r l =8 ? 7.5 thd=10% r l =8 ? 9.5 thd=1% r l =16? v cc =17v 8.5 p o thd=10% r l =16 ? v cc =17v 10.5 w p o =1wr l =8 ? 0.1 0.3 ? thd p o =1wr l =16? v cc =17v 0.1 0.3 % p o =8.5wr l =8 ? 90 p o =10w r l =16? v cc =17v 94 % ?? psrr 200mvpp ripple from 20hz to 1khz gv =15.6db inputs ac-coupled to gnd -65 db v no 20hz to 22khz, a-weighted filter, gv =15.6db -75 dbvrms ? cs p o =1wg v =15.6db -70 db ?? cb p o =1wg v =15.6db 0.1 1 db 150 c ?? 20 c SD7408 ?????? ? 1.0 2010.05.17 http: //www.silan.com.cn 15? 4? ? ? ? ?? (shutdown) ??? v ih 2 v ??? v il 0.8 v ?? i ih v i =v cc =18v 10 a ?? i il v i =0v v cc =18v 1 a ? t on c(v2p5)=0.47 fsd=2v 16 ms ?? t off c(v2p5)=0.47 f sd=0.8v 60 s (gain0, gain1) ??? v ih 2 v ??? v il 0.8 v ?? i ih v i =5.5v v cc =18v 1 a ?? i il v i =0v v cc =18v 1 a gain1=0.8v gain0=0.8v 14.6 15.3 16.2 gain1=0.8v gain0=2v 20.5 21.2 21.8 gain1=2v gain0=0.8v 26.4 27.2 27.8 g v gain1=2v gain0=2v 31.1 31.8 32.5 db (fault) ??? v oh i oh =100 a av dd - 0.8v v ??? v ol i ol =-100 a agnd+ 0.8v v SD7408 ?? ?????? ? 1.0 2010.05.17 http: //www.silan.com.cn 15? 5? SD7408 ??() ? SD7408 SD7408ls ? i/o ? 25 1 shutdown i ???ttl ??? avcc ? 26 2 rinn i ? 27 3 rinp i ? 28 4 v2p5 o 2.5v ??? 1 5 linp i ? 2 6 linn i ? -- 7 avddref o 5v ? -- 8 nc -- ? 3 9 gain0 i ??ttl ??? avdd ? ?????? ? 1.0 2010.05.17 http: //www.silan.com.cn 15? 6? SD7408 ?????? ? 1.0 2010.05.17 http: //www.silan.com.cn 15? 7? SD7408 SD7408ls ? i/o ? 4 10 gain1 i ?? ttl ??? avdd ? 16 11 fault o -- 12 nc -- ? 5 13 bsln -- ????? 14 6 15 pvccl -- ???? 16 7 17 loutn o ?? 18 -- 19 pgndl -- ??? 20 8 21 loutp o ? 22 9 23 pvccl -- ???? 10 24 bslp -- ????? 11 25 vclampl -- ????? 12 26 agnd -- ??/ ?? 13 27 rosc i/o ???? 14 28 cosc i/o ???? 15 29 av dd o ? 5v ? -- 30 agnd -- ????? -- 31 nc -- ? -- 32 nc -- ? 17 33 avcc -- ???? -- 34 nc -- ? -- 35 nc -- ? 18 36 vclampr -- ????? 19 37 bsrp -- ????? 38 20 39 pvccr -- ???? 40 21 41 routp o ? 42 -- 43 pgndr -- ??? SD7408 ?????? ? 1.0 2010.05.17 http: //www.silan.com.cn 15? 8? SD7408 ? ? i/o SD7408ls 44 22 45 routn o ?? 46 23 47 pvccr -- ???? 24 48 bsrn -- ????? -- -- pgnd -- SD7408 hsop-28 ????? -- -- thermal pad -- SD7408ls(elqfp-48 ? ) ??? ?? SD7408 ??????? shutdown ????? ? shutdown ??????????? ? shutdown ???????? ??????????y????? ? gain0 gain1 SD7408 ? gain0 gain1 ?? 1 ??? ????? zi ???? ??????? 20% ? ??????? 26k ? SD7408 ? 1 gain1 gain0 ? (db) ( ?) (k ) ( ?) 0 0 15.3 137 0 1 21.2 88 1 0 27.2 52 1 1 31.8 33 ?ci ????? ci ??????? ?????? ci zi ? ???? ? ii c cz2 1 f s SD7408 ?????? ? 1.0 2010.05.17 http: //www.silan.com.cn 15? 9? ?????? ci ???? zi=26k ? ? ???20 hz ???ci ?0.3 f ?????????? ???????????? ?? ????????????? 2.5v ? ??????????????? ????ci ?1 f ???? SD7408 ???????? inp ??inn ?SD7408 ????? inp ? inn ???????? ??? ??????????????? ???? ???cs SD7408 ???????? (thd) ???? ????? ??????????????? ????????????????? 0.1 f ??????????? 10 f ?????? 10 f ?????? ?? ?? SD7408 ?? nmos ????????? ???????? 220nf ????? 25v ??bs ?????????? nmos ? ??????????? vgs ??? nmos ????? ?? nmos ? vgs ???????? 1 f??vclampl vclampr ?????25v SD7408 ?????? ? 1.0 2010.05.17 http: //www.silan.com.cn 15? 10? ? 5v ??avdd avdd SD7408 ? 5v ??????? ?????1 f????? ???gain0 gain1 ?? ?? SD7408 ?????? ????????? ????? shutdown ??????? ????? SD7408 fault ??? fault ?????? fault ???????????? shutdown ??? ?????? ? SD7408 ?????? 150c ???????? ??????????????? 20 ????????? emi ? ?SD7408 ???? < 50cm ???? ????????d ??? ????????? 1mhz ?? emifcc ce ?? 30mhz ????????????? ??? ??<1mhz emi ?????????lc? lc ????????????? lc ?? 8 ? 16 ? ? lc ????? SD7408 ?????? ? 1.0 2010.05.17 http: //www.silan.com.cn 15? 11? SD7408 ??? ?????? ? 1.0 2010.05.17 http: //www.silan.com.cn 15? 12? SD7408 220nf c19 0.1 f c10 c9 0.1 f c15 10 f 10 f c26 c18 220nf 220nf c21 0.1 f c12 c11 0.1 f c17 10 f 10 f c27 c20 220nf pvcc pvcc pvcc pvcc SD7408 ??? ?????? ? 1.0 2010.05.17 http: //www.silan.com.cn 15? 13? SD7408ls 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 36 35 34 33 32 31 30 29 28 27 26 25 48 47 46 45 44 43 42 41 40 39 38 37 shutdown rinn rinp v2p5 linp linn avddref nc gain0 gain1 fault nc bsln pvccl pvccl loutn loutn pgndl pgndl loutp loutp pvccl pvccl bslp vclampl agnd rosc cosc avdd agnd nc nc avcc nc nc vclampr bsrp pvccr routp pangr routn pvccr pvccr bsrn pvccr routp pangr routn c1 0.47 f c2 0.47 f c5 0.47 f c3 0.47 f c4 0.47 f c20 220nf c11 0.1 220nf c19 0.1 f0 . 1 f c12 10 f c27 c17 10 f 220nf c21 f c10 c9 0.1 f c15 10 f1 0 f c26 c18 220nf pvcc pvcc avcc c7 1 f c16 10 f c13 0.1 f c14 1 f c6 220pf r1 120k c8 1 f r2 120k avcc r4 120k r3 120k pvcc pvcc SD7408 ?? hsop-28-375-0.8 unit: mm elqfp-48-7 7-0.5 unit: mm ?????? ? 1.0 2010.05.17 http: //www.silan.com.cn 15? 14? SD7408 mos ?? ???????mos ??? ?? ? ????? ? ??? ? ??????? ? ??????? ? ??????????????? ? ? ??????????? silan ?? ???????????????? ?? ? ?????????? ?????? ? 1.0 2010.05.17 http: //www.silan.com.cn 15? 15? |
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