LN3C63A copyri ght(c) 2012 lii semiconductor -1- www.liisemi.com ac/dc _P? ? ?c u U_Pl u ??_PCn u cycleturning tm g emi u U?????cpd u ?ol? u ??a u vdd ^Qc?i (uvlo) u ??Q u ???a u ?O?olp ?O_ u ?[L ? (ocp) u ?^ ^d o (olp) I 2 ac/dc ? DQ 2 ?m 2 ? 2 C ?? 2 _?? LN3C63A ??? ?? pwm ? 35w ? C ?????Q pwm _ Pl??O ? ? a ? d pdl ic? ?m ?? ?p _ Pp? _? DQ ? r? ^?C??? vdd c ? LN3C63A ?????? ?^ ? ? ? @?p? p?M? ?yC ?a tO ^ pwm ???r??? ?? F ?C UF ??[ ?_???_ ?n Ow ? ? ? t ? ~ [ LN3C63A ???? ? ?? ? o L ?ocp??a??^d o olp vdd ^o c?i uvlo ?O?x_???M olp r {??olp ????y ?? ? ? ? 20v ?o mosfet ? ? ^ ?}n??g D cycleturning tm D e O ? ??Q D vg?y emi ??O? ? M ???? ?? sot23-6 dip-8 h b fig1. B rev:c l i i s e m i c o n f i d e n t i a l t o snny? free datasheet http://www..net/
LN3C63A copyri ght(c) 2012 lii semiconductor -2- www.liisemi.com ? ? D _x _ dip8 sot23-6 f 1 6 gat e Q?? mosfet? O 2 5 vdd ic B? o@M 3 / nc ? 4 4 cs _P zy? ? B 5 3 opt olpO ? ? 6 / nc ? 7 2 vfb ? ? ?B ? zy? ? 8 1 gnd ?y ? fig3. _x fig2. ?D l i i s e m i c o n f i d e n t i a l t o snny? free datasheet http://www..net/
LN3C63A copyri ght(c) 2012 lii semiconductor -3- www.liisemi.com ? O? * ? vdd ?? 30 v vfb ?? -0.3 to +7 v vcs ?? -0.3 to +7 v vopt ?? -0.3 to +7 v min/max ? tj -20 to 150 min/max ? tstg -55 to 160 r j-a 350 /w esd ?: hbm w?? 3.0 kv mm C?? 300 v note: stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress ratings only, functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. exposure to absolute maximum-rated conditions for ex tended periods may affect device reliability. ] l ? vdd vdd ? 12 25 v ta h ? -2 0 85 ?o?r ta=25 ? (vdd pin) ? y?l i qs vdd vdd=14v,opt=open, y?^ vdd ? - 4 10 ua i q vdd=16v , opt=10k ,vfb=open - 1. 2 - ma v stop uvlo T ? fb=0 7.9 8.9 9.9 v v start 13.5 14.5 15.5 v vdd_cl vdd Q? i vdd =10ma - 31 - v l i i s e m i c o n f i d e n t i a l t o snny? free datasheet http://www..net/
LN3C63A copyri ght(c) 2012 lii semiconductor -4- www.liisemi.com ? ?? (vfb pin) ? y?l a vcs pwm ? vfb / vcs 2. 0 v/v v fb v fb _ h ? v fb _ 4. 5 v i fb_s fb fb=0 1 ma vth min ?? T? vdd = 16v 1 v vth max T? vdd = 16v 3. 7 v t olpi rr g vdd = 1 6v, opt=100 k 65 ms d max ?? vdd=16v,fb=3.3v,cs= 0 80 % zy (cs pin) ? y?l t leb ?[ rg 25 0 ns z cs cs ? 40 k t ocp ocp ?r vdd=16v ,cs>vth_oc,fb=3.3 v 75 ns vth ocp ocp T? fb=3.3v 0.70 0.75 0.80 v t ss ???r opt=100k 4 ms ? (osc) ? y?l f osc ~_Pl 60 65 70 kh z f osc _t _Pl ?? vdd = 16v,ta=-20 to 100 5 % f osc _v _Pl? vdd = 12 -25v 5 % f osc _min burst mode l vdd = 16v 22 kh z T? (gate pin) ? y?l v ol ? ? vdd = 1 6v, io = -20 m a 0.8 v v oh ? ? vdd = 1 6v, io = 20 ma 10 v v o _cl ?Q? 18 v t_r ? rg vdd = 1 6v, cl = 1n f 22 0 ns t_f ?? rg vdd = 1 6v, cl = 1n f 70 ns cycleturning tm ? y?l f osc c.t range -2. 5 +2.5 khz t ct c.t time 8 ms x_ (opt pin) ? y?l v opt opt ? ? v opt =open 2. 5 v i opt opt v opt =0v 10 0 ua v dis olp ? 10 k t olpe olp ?r?O c opt =10nf 56 ms t olpex olp ?r?OS 1 l i i s e m i c o n f i d e n t i a l t o snny? free datasheet http://www..net/
LN3C63A copyri ght(c) 2012 lii semiconductor -5- www.liisemi.com ? ? LN3C63A ?? pwm ic ? 35w xQ? ? ? burstmode ?O??Cp pd rDQ ?M N H?? ? ?? LN3C63A ??O??l ? ^ _ uvlo ? ? ? ??? r g?? ?? ^ ? ? @???? 2m?m?? 1/8 w ?e? M??? ?? ] ?? ???]??? ? 1206 N? ? B???O vdd ?g c vdd LN3C63A 1.4ma r ic p?? 10uf ???M ic ? ] mosfet ^? x ^? (esr) mosfet _ r ?? ^ mosfet ? cycleturning tm LN3C63A ^ cycleturning tm g r L O?rg {u ?? _P}n l V ^?U?p? ??????_? ??y emi M??? ? U? burst mode ?dpdlmosfet _Pp ?p? @ _P pc_P l? ? _Pl? @? mosfet _Pp?LN3C63A ?^zy fb ??y d pd r {_P l?^??fb ?OT ? l? ? ? l?? 22khz ?F l ?yl?? 22khz r fb ? OT ? ? ? _ ?? ^ olp o?rrg{ ?^ opt ????? { olp ?rrgB? opt ??,?r?y?rrg? Q ?rr g?^ ?? sc tolp opt m*6.5 = @ Y copt nf copt=10nf r olp ?rr g 56ms. copt S ?? 6nf. olp ? ?^ opt ????? ???y olp o??? lps ??B??T O ? 1.2v ? ? 100ua ? ? ? w= k ma v ropt 12 )(1.0 )(2.1 ]?? 10k ? ? P] olp ?ro zyc?[ LN3C63A ? L ?? _ P?^ ? ic ? ??[?M ic _ ?e`mosfet ?e` P ?? y?[ ? pwm ? fb ? ? l i i s e m i c o n f i d e n t i a l t o snny? free datasheet http://www..net/
LN3C63A copyri ght(c) 2012 lii semiconductor -6- www.liisemi.com ? Qfb ??r^^T? 0.75v ?a ic ??cr?? ? ?a @O ? ^??? ccm r]h? ? ??l ?C ?} ?? ? T LN3C63A ?B??? mosfet O _P ? mosfet _PpKP?r^ t emi ??LN3C63A ?^? Q??O?^?? ? @ ^?_P p ? l? emi T??t? 18v ?? ?o mosfet vdd ^?r?O ^ ?p o ??y ? o F^??? LN3C63A O? S o?M ? L ocp ?^do olp vdd ^Q ?iuvlo ?^ liisemi ??ag ?? u? a?? @? ? x ?? ? x?? O? M ??l a?^d ? ??y ?^drfb ??K_O td_pl ?r, P mosfet ? ?y vdd ?? uvlo Ocr? ? M ? o ?? vdd ?o@M ?^?Q? uvlo O?r?P??y ?? R? dip8: ?RLN3C63A a a yy: a, 01-99 2001-2099 ww: ?a, 01-52 week z: a ? sot23-6: ?R LN3C63A l63 a ?? yy: a, 01-99 2001-2099 w: ?a, a-z,a-z 0-52 week;a 01 ?a 27 z: a ? ?? l63yyw ln3c63 a yywwz a z 1 4 5 8 1 3 4 6 l i i s e m i c o n f i d e n t i a l t o snny? free datasheet http://www..net/
LN3C63A copyri ght(c) 2012 lii semiconductor -7- www.liisemi.com ? b? sot23-6 l i i s e m i c o n f i d e n t i a l t o snny? free datasheet http://www..net/
LN3C63A copyri ght(c) 2012 lii semiconductor -8- www.liisemi.com ? 8-pin p? dip l i i s e m i c o n f i d e n t i a l t o snny? free datasheet http://www..net/
LN3C63A copyri ght(c) 2012 lii semiconductor -9- www.liisemi.com ? ??? ? marking ? b b? LN3C63Ad ln3c63 a 90 /w dip8 50pcs/tube LN3C63Ap l63yyw 350 /w sot23-6 3000pcs/reel ? lii semi ??w??????? S? ? ? ?? la??? P??o ?w??? ??} ????I?? a??Ha?f?? H?P?a? wZ?n?e`??? K???n??p? a ? M ? ?w?r??nM??? K ???x? ?w?a?Pg? KP??o ??}? u?I?????? ?wP ?? ?wPa??tW oO??p? ?B???l_s ??L www.liisemi.com l i i s e m i c o n f i d e n t i a l t o snny? free datasheet http://www..net/
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