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  LA8100PN copyright(c) 2010 lii semiconductor -1- www.liisemi.com pc atx ? ? ver.: c 2010.7.10 ?c u 494+339 ???_ u ^? 494+339 ?wQ u 494+339 ?_ 25 w u M intel ????o u ??F 1w C? u pwm ??O u ??p_?? u ??^ 200ma u ^?????{ u ???? u 3.3v / 5v / 12v ?^o u 3.3v / 5v / 12v ??o u ?o? 350ms ~?r u ~??_ opp ^ ?o u h_P ps-on ? u h_Pco??t DQ u 350ms ?r? pg ? u MG?h?? dip16 oUb I 2 pc atx ? 2 ? 2 ? ? 2 pc ? LA8100PN ??O?? M??????}?ew m??YY _P???? ???? pwm ??? ? pc ???NOco ??^o?oh _P pg ???? pin _xD R? fig1. ?? LA8100PN yywwz ?? : LA8100PN ?? yy: , 10 ww: , 12 z: ?a?J o
LA8100PN copyright(c) 2010 lii semiconductor -2- www.liisemi.com ? ??D _ _? ? _ x _? ? _ x 1 v33 3.3v zy ?? 9 ps.on _P C 2 v5 5v zy ?? 10 ss ??r gO 3 v12 12v zy ?? 11 pg pg ?? 4 pt U ??o 12 det ? zy 5 gnd ? _ 13 vcc _ 6 rt O _ r 14 op.o `? ? 7 c1 _?? 1 15 op.i `? ? 8 c2 _?? 2 16 vadj `? ?
LA8100PN copyright(c) 2010 lii semiconductor -3- www.liisemi.com ? O? ? ? ? vcc 5.5 v ?O?? vc1,vc2 5.5 v ?O? ic1,ic2 200 ma ? p d 200 mw ? topr -10~+85 ? tstg -65~+150 esd w?? hbm 4000 v C?? mm 200 v ? ? ? vref ? S (0 ta 70 ) vref/ . t - 0.01 - %/ ]l ? vcc ? 4.5 5 5.5 v r - 120 - k ? -10 - 70 ?o?r ta=25,vcc= 5v,r t =120k ,c ss =0.1uf ? ? y?l ^rg ? T ? vthdt ?? 3.0 3.3 v ?? 0.1 v `? ]h ? 0.5~3.5v 65 db ?l 0db 320 khz ? ? ? op neg open 2.38 2.45 2.52 v ? ? ? ? vsat id=200ma 1.0 1.2 v ?OP B? ioff vcc=vd=vs=0v 2 10 ua rg tr 100 200 ns ?rg tf 50 200 ns
LA8100PN copyright(c) 2010 lii semiconductor -4- www.liisemi.com ? o ^o (ovp) v33 3.80 4.10 4.30 v v5 5.80 6.20 6.60 v v12 4.41 4.64 4.90 v pt 1.25 1.30 1.35 v ?o (uvp) v33 1.78 1.98 2.18 v v5 2.70 3.00 3.30 v v12 2.11 2.37 2.63 v uvp ? ? pt 0.62 0.65 0.68 v uvp ?rrg td.uvp 200 350 480 ms _P ( ps-on ) ps-on ? ? vremh 2.0 v ps-on ? ? vreml 0.8 v ps-on ? vremo 2.0 5.25 v ps-on _ ?rrg trem 40 45 50 ms ps-on P ]?rrg toff 3.5 4.5 5.5 ms pg zy ? T vdet 0.62 0.65 0.68 v pg ? ? rpup.pg 5 k pg ? ?d ? rpg 0.5 1 2 k pg ?rrg 200 350 480 ms pg ? ? ? vsat.pg 0.2 0.4 v ss ( ? ) ss iss.sink 13 ua ss iss.sour 1.30 ma oB icc c1=c2=open 5 10 ma rl fosc rt=120 k 50 70 khz
LA8100PN copyright(c) 2010 lii semiconductor -5- www.liisemi.com ? Y? 1. ?rU a k v rt v i e ch m 44 . 3 3 1 120 24 . 1 3 1 24 . 1 arg = ? ? ? ? w = ? ? ? ? = khz t f s i c v t osc osc e ch osc 60 1 6 . 16 3 . 3 arg = = = = m rt 120k r rl s 60khz, rt ? ? ` 1 ? C?yr ? 2. pwm } {u ?} n ?? ???c B? rt _ ? ? a ? M ^Q ? ? ?r ?} n p ?y?r ss ? } n ? ? ??r Y pwm P
LA8100PN copyright(c) 2010 lii semiconductor -6- www.liisemi.com ? 3. ? ( ? ) pin _? pin Q ? 1 v33 55 k 2 v5 85 k 3 v12 55 k 4 pt 4.7 k
LA8100PN copyright(c) 2010 lii semiconductor -7- www.liisemi.com ? 4. b _P (ps-on) r 5. ?o ?r 6. pt ~ ?o pt ? ~ ^c?o? ? opp ^?o ?o?^ ^ T ? 1.30v ? ^ T 0.65v 7. ps-on ? ?? b pin9 _ ? ? ?_ c s? e ` ? ? x 100 1k . 8. det ? ? zy det _ zy ? ? ^ ? ? O r pg P ] ? o ?O c O det zy^ T ? 0.65v.
LA8100PN copyright(c) 2010 lii semiconductor -8- www.liisemi.com ? 9. pg pg _ 5k , ??? 1k ? N? X C ?y 10. c1 c c2 ? c1,c2 ?O_? O ? r ?? ? ?D?H B ? ? ?
LA8100PN copyright(c) 2010 lii semiconductor -9- www.liisemi.com ? C 16 _p?b (dip16)
LA8100PN copyright(c) 2010 lii semiconductor -10- www.liisemi.com ? ??? ? ?? b b ? LA8100PN -10 +85 dip16 25pcs/tube ?n?? f a l james 20080510 b e` D james 20100610 c f?? james 20100710 ? liisemi ? w ? ? ? ? S ? ? l a ? ?? P ?? o w ? ? ??} ? ? ?I ? a ? ?H a ? f ? H ? P ?a ? w Z?n? e` ??? K? ?n ? ?p? a ? M ? w r ? ?nM? K ??? x ? w ?a ? P g? K P ?? o ??} u ?I ? ? ? w P ?? w P a ? ? tW o O ? ?p? ? B ? ??l _s ??L www.liisemi.com


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