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HT203C ???? pwm ?? ???? ac/dc ???? ac85v-265v ???? 12w ????? 18w ? ?????? bipolar ??????? HT203C ??????? ac/dc ? HT203C ? ???????? ???? ???? HT203C ?????????? ??????????? ??? cb ?? ??????? 700v ??? ????? HT203C ??????? ?????? ???????? ??? HT203C ??? dip-8l ??? ??????? ? 700v ????? ? ? ? ???? 0.25w ? ?? ? ???????? ??? ? ??????? ? ? ????k?? ? ? ? ????? 10 ? ? ? vcc ?? ? vcc ??? ? ??? 12w ??? 18w ? ? ac/dc ??? ? ?????? HT203C 1 of 13 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
?? c2 222,1kv/1206 d5 uf4007 a4 b4 b3 a3 a2 b2 b1 a1 1234 8765 HT203C r3 68k,1/2w d6 1n4007 c3 681j/50v c4 10nf/50v r4 0.75r/1w d7 mur460 l2 3.3uh r9 39k,1% ic2 tl431a r8 10k,1% cy1 222m y1 pc817 c r10 470r o b vc c gn d c t o c o c is f b ic3 port port 12v/1a t1 f1 1.5a/250v d1~d4 1n4007 l n c0 10uf/400v l1 3.3mh r0 4.7k1/2w c1 10uf/400v r1 1m,1/2w r2 1m,1/2w c5 47uf/16v c7 680uf/16v r6 2k c6 6.8nf/25v r7 1k c8 470uf/16v ei2 2 ic1 HT203C 12v1a ??? ?? dip-8 ? ?? ?? ? dip-8, pb-free HT203C HT203C HT203C 2 of 13 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
?? 1 ? 1 pcb layout ?? pin6 pin7 ?? 1mm ????? ?? 2 ? ? vcc 16 v ? vcc+0.3 v oc ?? -0.3?700 v ?? 800 ma ?? 1000 mw ?? 0---+125 ?? -55---+150 ? +260 10s ? 2 ???????? ? ? vcc 4.8 5.5 9.3 v ? -0.3 - vcc v ?? - - 550 v ?? - - 600 ma ? 650 680 920 pf ? 50 66 70 khz ? 0 - 100 ? ?? 1 ob ??? 2 vcc 3 gnd ?? 4 ct ?????? 5 fb 6 is ????? 7 8 oc ???? HT203C 3 of 13 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
?? 3 ? 3 2?? t=25 vcc=5.5-7.5v ct=680pf rs=1 ? ?? ?? ioc=1ma 700 - - v ??? ioc=600ma - - 1 v ? cl=1nf - - 75 ns ?? cl=1nf - - 75 ns ? 500 550 600 ma oe ?? oe=0.001-0.6a - 1.5 - v ? io=1ma 2.4 2.5 2.6 v ? vcc=5.5-9v - 2 20 mv ? io=0.1-1.2ma - - 3 % ?? - - 0.2 - mv/ ? f=10hz-10khz - - 50 uv ? t=85 1 1000h - 5 - mv ? ct=680pf 55 66 75 khz ?? vcc=5.5v-9.0v - - 1 % ??? ta = 0 - 8 5 - - 1 % - - 2.5 - v ? ct=680pf - 900 - ns 0.5 0.6 ma 24 k ? ?? vcc=5.5-9v 60 70 db ? ? 0.55 0.6 0.65 v ? rs=1 ? 0.55 0.6 0.65 a ?? 60 70 db ? 150 250 ns ? ?? 55 60 65 % ?? 3.5 % HT203C 4 of 13 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
? ? 1.6 2.4 3.2 ma ? 50 80 ua ? vcc=8v 3.0 ma ? 8.5 8.9 9.3 v ??? 3.7 4.0 4.4 v ? - 3.6 - v ? 9.4 9.8 10.2 v 1. vce ? vin=85v,io=0.5a vin=85v,io=1a vin=110v,io=0.5a vin=110v,io=1a vin=220v,io=0.5a vin=220v,io=1a vin=265v,io=0.5a vin=265v,io=1a HT203C 5 of 13 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
2. vin=85v,io=1a vin=265v,io=1a 3. ? vin=85v,io=1a vin=265v,io=1a 4. ? vin=85v,io=1a vin=265v,io=1a HT203C 6 of 13 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
5. ? vce vo vin=85v,io=1a vin=265v,io=1a 6. ? vce vin=85v,io=1a vin=265v,io=1a ??? HT203C 7 of 13 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
? ? ??? vr ?? fb ??? oe ?? vcc ob ? ?? ??? HT203C ? ?????? vcc ? 8.9v ?? ? ? vcc ?? 4.8~9.3v vr 2.5v ? fb ? osc1 ??? osc2 ??????^ fb 1.8v ? 1.2-1.8v ????? fb ??????? ????? ?? vcc 9.8v ? fb ? vcc ? 9.8v ????????? ? ob ??? oe ?? is ob ?? ob is ? is=0v ? ob ? 40ma ? ob is ? is ? 0.6v ? ob ? 120ma ? ob HT203C ?? is ? fb ??? ob ???? oe ? 1.5v ?????? ??????? ? fb ????????????? fb 1.8v ?? HT203C ??? 140 ?? HT203C ?? 150 2 HT203C ??????? ? ? ??? vcc 4.0v ??? osc1 osc2 ????? vcc ? 3.6v ? HT203C ?? ?? HT203C 8 of 13 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
???? ? ?? ob 0.5ma ? oc ? ? vcc ????? ct 680pf ?? vcc ? HT203C ?? ? ? vcc ?? vcc ? ? ? vcc ?? vcc ? ? ??? vcc ???? vcc ? ? ?? fb 1.0k ?? vcc ? ? / ? fb=2.5v ct=1.25v ct / ? fb ? fb=2.5v is=0v ? fb ? ??? HT203C ??? vcc ? ? oc ? fb=6v fb ?? oc ? ???? ob is ? is=0v ? ob ? 40ma ? ob is ? is ? 0.6v ? oe ? 120ma HT203C 9 of 13 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
ct ?????? ? 112 a ? ct ? ????? 2.5v ?? 1.95ma ct ?? ???????? ?? t=ct*25000(s) fs=1/t(hz) ???????? ???????? ?????????? 70khz ????? HT203C ct ? 680pf ?????? ? 66khz ? fb ?? fb ????? ??????????? ? fb ? 570a ? ? 24k ? ?? fb ? 1.8v ? ??? ?? 1.8v ?????? fb ??? ??? ??? cfb ????? 10-100nf ???????? 22nf ic ??????? ??? 140 ??? ???????? 150 ????? ??? ??? ??? ?? is=0v ? ob ?? 40ma is=0.6v ? ob ?? 120ma ? ???? ic ?? ?????? ob ???? oe ? 1.5v ? ? ic ????? ???? cb ??? ??? 700v ???? ????? ??? ic ???? vcc ? ? 8.9v ? ic ??? ?????? ????? ic ic ? ? vcc ??? ic ?? vcc ? 4.8-9.3v ? ? vcc ?? 4.0v ??? vcc ? ? 3.6v ? ic ? ic ? vcc ????? vcc ? 9.8v ? fb vcc 9.8v ??????? ????????? ????? ?????? vcc ? ??? ?? vcc ? ic ???? ??? ic ????? ??? fb ?? ??????? ????? ??????? ? mosfet ??? ron ???????? ????? ????? ??e?? HT203C ?????? ? 0.80a ? 65v ? 0.8a ?????? 12w ??? HT203C 10 of 13 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
??? ??????????? ??????? ic ? ??????? ?? ic pin7-8 ?? ??? pin7-8 ? pcb ?????? ? 85-265v ? 12w ? ?? 200mm ???? ? ? ? ? ? f1 fuse 250v,1.5a 1 ? r1,r2 1m 2 1206 r3 68k,1/2w 1 ? r4 0.75/1%,1w 1 ? r6 2k 1 0805 r7 1k 1 0805 r8 10k//390k,1% 2 0805 r9 39k,1% 1 0805 r10 470r 1 0805 r0 4.7k 1 1206 c0,c1 400v,10uf 2 ? c2 ? 1kv,2.2nf 1 ? c3 ? 680pf 1 0805 c4 ? 10nf 1 0805 c5 16v,47uf 1 ? c6 ? 6.8nf 1 0805 c7 16v,680uf 1 ? c8 16v,470uf 1 ? d1~d4 1n4007 4 ? d5 uf4007 1 ? d6 1n4007 1 ? d7 mur460 1 ? t1 ? ei22 1 ?? ic1 pwm HT203C 1 dip8 ic2 ? tl431a 1 to92 ic3 pc817c 1 dip4 l1 ? 3.3mh 1 ? l2 ? 3.3uh,2a 1 ? HT203C 11 of 13 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
????? 4 core & bobbin winding wire gauge(mm) turns ei22 w1 0.27*1 46 w2 0.45*2 15 w3 0.27*1 46 w4 0.18*1 9 ? 4: n1(w1+w3) inductance=1.2mh ? 5 6 ic dip ?? jc 1 ???????????????????????????????????..25 /w ja 2 ???????????????????????????????????..75 /w ? 5 . ? pin7,8 ? 6 .pin7,8 ? 2 ???? , ?? 200mm 2 HT203C 12 of 13 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
?? ? a 5.334 0.210 a1 0.381 0.015 a2 3.175 3.302 3.429 0.125 0.130 0.135 b 1.524 0.060 b1 0.457 0.018 d 9.017 9.271 10.160 0.355 0.365 0.400 e 7.620 0.300 e1 6.223 6.350 6.477 0.245 0.250 0.255 e 2.540 0.100 l 2.921 3.302 3.810 0.115 0.130 0.150 eb 8.509 9.017 9.525 0.335 0.355 0.375 ? 0 ? 7 ? 15 ? 0 ? 7 ? 15 ? HT203C 13 of 13 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification

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