r ??? led ? jh3 4 21p h 20 1 6 10a 1 / 9 jh3421p(h) ???? led ? ????? 85vac~265vac ? ?? ?? led ? jh3421p(h) 5 5 0v mosfet ?? r? ? ? ? ? jh3421p(h) ? ??? ? ? ???? led ?? ?? ?? l ed ? ??? jh3421p(h) led / cs ?? ????? ? jh3421 p sop - 8 ? jh3421 ph dip - 8 ? ? n ??? n 5 5 0v mosfet n r? n ? n ? n 5% n led n led n cs n ??? n ?? ? n led ? n led ? n led ? n led ? ? 1 jh3421p(h) ??
r ??? led ? jh3 4 21p (h) 20 1 6 10a 2 / 9 ? ? ? ? ?? ? jh3421 p - r - l - n - a jh3421 sop - 8 2,500 ? / jh3421 ph - r - h - n - a jh3421 dip - 8 5 0 ? / ??? ? 2 ???? ? ?? ? 1 gnd ? 2 rovp ? ?b ?? 3 nc ? gnd 4 v cc ?? 5,6 drain ?? mosfet ? 7,8 cs cs gnd ? drain gnd cs drain cs rovp nc vcc j h 3 5 2 1
r ??? led ? jh3 4 21p (h) 20 1 6 10a 3 / 9 ? ?? ? 3 jh3421p(h) ?? ? ( ? 1) v ds ?? mosfet ????? - 0.3 ~ 5 50 v i cc_max vcc ? 10 ma comp - 0.3 ~ 6 .5 v fb ? - 0.3 ~ 6 .5 v cs - 0.3 ~ 6 .5 v ( ? 2) sop - 8 0.45 w p dmax ( ? 2) dip - 8 0.9 w pn ? sop - 8 145 /w ja pn ? dip - 8 80 /w t j - 40 to 150 t stg ?? - 55 to 150 esd ( ? 3) 2 kv ? 1 ? ? ? ???| ??? ?????????Z ?? Zb ?A ??? ? 2 ???? ? t jmax , ja , ?? t a ?? p dmax = (t jmax - t a )/ ja ?? ????? ? 3 ? 100pf ? 1.5k ?
r ??? led ? jh3 4 21p (h) 20 1 6 10a 4 / 9 ? ?? ( ? 176v 264v) i led 1 jh3421 p led @ vout=72v < 280 ma i led 2 jh3421 p led @ vout=36v < 350 ma i led 1 jh3421 ph led @ vout=72v < 320 ma i led 2 jh3421 ph led @ vout=36v < 360 ma v led min jh3421 p h led ? >15 v ( ? 4, 5) ( ?? t a =25 v cc = 15 v) ? ? ? ?? v cc_clamp v cc ?? 1ma 1 7.9 v v cc_on v cc ? v cc 1 4.5 v v cc_uvlo v cc ??? v cc ? 9 v i st v cc v cc = v cc - on - 1v 120 180 a i op v cc f op =70khz 1 40 1 80 a v cs_th ? 388 400 412 mv t leb ?? 350 ns t d elay ??? 200 ns ?? t off_min ?? 4.5 s t off_max ?? 3 00 s t on_max ?? 4 5 s v rovp rovp ?? 0.5 v ? r dson mos ? v gs =1 0 v/i ds = 0.4 a 5 bv dss mos ? v gs =0v/i ds =250ua 5 5 0 v i dss mos ? v gs =0v/v ds =5 5 0v 1 a t reg ?? 1 42.5 ? 5 ??? 25?c 2??? ? 6 Z??? ? ????
r ??? led ? jh3 4 21p (h) 20 1 6 10a 5 / 9 ?? jh3421p(h) ?? led ? ? ????? led ? ?? 5 5 0v mosfet ????? ? r? ?? ? ??? ???? v cc v cc ??? ?? ? ?? ?? ? v cc r ???? cs ? ??? ? 400mv ??? cs ???? ? ??? ????? ) ma ( r 400 i cs pk = r cs ?? cs ?? 350ns ?? led ??? 2 i i pk led = i pk ??? ? jh3421p(h) ???? ? ?? ???? ??? led in pk on v v i l t - = l ? i pk ??? v in ???? v led led ?? ? ???? ???? ?? ?? ?? ???? ?????? led pk off v i l t = ????? in pk led in led v i f ) v v ( v l - = f ???? jh3421p(h) ?? ????? jh3421p(h) ? ??? ????? ?? ?? ?? ?? jh3421p(h) ???? ? ?? 4.5 us 3 0 0us t off ?? ?? ? t off ?? ??? ??? ?? led ? ? ?? t off ?????? ?????? led ?? ? ? ??? ?? ? ?? rovp ? rovp ??? 0.5v led ? ? ?? ??????
r ??? led ? jh3 4 21p (h) 20 1 6 10a 6 / 9 ?? tovp vovp rcs vcs l tovp ? vcs cs ?? 400mv vovp ???? ? tovp ? rovp ?? ? jh3421p(h) ?? led / cs v cc ?? ????? ?? cs ?? ?? ?? ? ???? mosfet ? ?? ?? 5 khz ??? ????? v cc ??? v cc ???? ?? ??? ??? ? ? ?? ? jh 3421p(h) ?? ???? ? ?????? ?? ? ? 142.5 pcb jh3421p(h) pcb ? ??? v cc ?? v cc gnd rovp ???? rovp ???? ?? ??????????? ? ? ? H? ? ? ??? ?? ?? ? emi nc nc ? q?? ( gnd ), ? rovp pin drain drain ????
r ??? led ? jh3 4 21p (h) 20 1 6 10a 7 / 9 ?? sop - 8 ?
r ??? led ? jh3 4 21p (h) 20 1 6 10a 8 / 9 ?? dip - 8
r ??? led ? jh3 4 21p (h) 20 1 6 10a 9 / 9 ? 1. ????????? ??? ?? ? ??? 2. ??? ?? ? 3. ????? ?? ??? 4. ??? note 1. jilin sino - m icroelectronics co., ltd sales its product either through direct sales or sales agent , thus, for customers, when ordering , please check with our company. 2. we strongly recommend customers check carefully on the trademark when buying our product, if the re is any question, please dont be hesitate to contact us. 3. please do not exceed the absolute maximum ratings of the device when circuit designing. 4. jilin sino - microelectronics co., ltd reserves the right to make changes in this. specification shee t and is subject to change without prior notice. ?? ?????? ?? ?? 99 ? 13201 3 ? 86 - 432 - 64678411 86 - 432 - 64665812 ? www.hwdz.com.cn ? ? ?? 99 ? 132013 86 - 432 - 64675588 64675688 64678411 - 3098/3099 : 86 - 432 - 64671533 contact jilin sino - microelectronics co., ltd. add: no.99 shenzhen street, jilin city, jilin province, china. post code: 132013 tel 86 - 432 - 64678411 fax 86 - 432 - 64665812 web site www.hwdz.com.cn market department add: no.99 shenzhen street, jilin city, jilin province, china. post code: 132013 tel: 86 - 432 - 64675588 64675688 64678411 - 3098/3099 fax: 86 - 432 - 64671533
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