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electronic giant EG1201 ??? 201 2? ???? ? rev 1.0 ???
???? EG1201 ?? ? v1.0 ??? 2012 ? ???? ? www.egmicro.com 2 / 14 ? v1.0 2012 0 5 1 2 EG1201 ?
???? EG1201 ?? ? v1.0 ??? 2012 ? ???? ? www.egmicro.com 3 / 14 ?? 1. ? .............................................................................................................................................................................. 4 2. .............................................................................................................................................................................. 4 3. ? ..................................................................................................................................................................... 4 4. .............................................................................................................................................................................. 5 4.1. ? .................................................................................................................................................... 5 4.2. .................................................................................................................................................... 5 5. ?? ..................................................................................................................................................................... 6 6. ?? ............................................................................................................................................................. 7 7. ..................................................................................................................................................................... 9 7.1 ? .................................................................................................................................................... 9 7.2 ? .................................................................................................................................................... 9 8. ? ................................................................................................................................................................... 11 8.1 ct?????? ............................................................................................................. 11 8.2 fb .......................................................................................................................................... 11 8.3 ?rs ...................................................................................................................................... 11 8.4 ?? .............................................................................................................................................. 12 8.5 ??? ..................................................................................................... 12 8.6 ??? ...................................................................................................................................... 13 8.7 ??? .................................................................................................................................. 13 9. ?? ................................................................................................................................................................... 14 9.1 dip8 ?? .......................................................................................................................................... 14 9.2 sop8 ?? ......................................................................................................................................... 14
???? EG1201 ?? ? v1.0 ??? 2012 ? ???? ? www.egmicro.com 4 / 14 EG1201 ?? v1 . 0 1. ? ????????? ? t???????? 10 ? 2??? ? ? 0.3w 220vac ? 0.2w ? ?? sop 8 dip 8 2. EG1201 ???? pwm ???? ac/dc ?? 85v 265v ?? ? 18w ? ?? to126 ? e13003 ??? ?????????????? ? ac/dc ?ic ????????? ??????? ic ???? ??????????????????? ? cb ???????? 700v ?????????ic ? ???????????????? ? ic ?? 2.5v ????????????? ??? 3. ? ? dvd ? ? lcd ? ? led ? ? ? ? ? ? ?
???? EG1201 ?? ? v1.0 ??? 2012 ? ???? ? www.egmicro.com 5 / 14 4. 4.1. ? ct is gnd oe ob EG1201 1 2 3 4 5 6 7 8 vr fb vcc ? 4 - 1. EG1201 ?? 4.2. i/o 1 ct i 2 vr o 2.5v ? 3 fb i 4 gnd gnd ?? 5 is i ?? 6 o e o ??? 7 ob o ???? 8 v cc power ?
???? EG1201 ?? ? v1.0 ??? 2012 ? ???? ? www.egmicro.com 6 / 14 5. ?? vr is 2 2 ct 3 fb 4 gnd 5 ? 7 ob 8 vcc 2.5v? ? 1.8v ? -r s 0.6v 9.8v r r s q q 6 oe 25k 5k 600ua 100ua osc1 osc2 out-en osc-en start-up 5 ? 5 - 1. EG1201 ??
???? EG1201 ?? ? v1.0 ??? 2012 ? ???? ? www.egmicro.com 7 / 14 6. ?? l n 33uf/450v EG1201 ct is gnd oe ob 1 2 3 4 5 6 7 8 vr fb vcc 47uf/50v 2.2m/0.5w 470uf/50v 470uf/50v tl431 pc817 +12v gnd 10k 1% 39k 1% 1n4007 1n4007 1n4007 1n4007 fr107 fr107 222/1kv 75k/0 .5w d1 d2 d3 d4 fl1 c2 680pf 104/50v 13003 fr107 f1 2a/250v cx1 l1 10uh d5 d6 d7 t1 q1 ic1 c1 c4 r1 r2 c5 r3 0.75 c8 c7 r9 4.7k led1 r8 r6 ic2 cy3 222/400v,y1 c6 r5 2.2k 470 ic3 r4 c3 103/50v r7 100k ? 5 - 1. EG1201 ????? l n 33uf/450v EG1201 ct is gnd oe ob 1 2 3 4 5 6 7 8 vr fb vcc 47uf/50v 2.2m/0.5w 470uf/50v eg4313 pc817 8.8k 1% 100k 1% 1n4007 1n4007 1n4007 1n4007 fr107 fr107 222/1kv 75k/0.5w d1 d2 d3 d4 fl1 c2 680pf 13003 fr107 f1 2a/250v cx1 d5 d6 d7 t1 q1 ic1 c1 c4 r1 r2 c5 r3 680pf c8 r8 r6 ic2 r5 2.2k 470 ic3 r4 c3 103/50v 1.210v 3 1 2 5 4 6 22pf cy3 222/400v 500 0.1ohm/1w 22pf r7 r9 c4 c6 12v ? ? 5 - 2. EG1201 ????
???? EG1201 ?? ? v1.0 ??? 2012 ? ???? ? www.egmicro.com 8 / 14 l n 33uf/450v EG1201 ct is gnd oe ob 1 2 3 4 5 6 7 8 vr fb vcc 47uf/50v 2.2m 100uf/25v +12v gnd fr107 fr107 222/1kv 75k/0.5w c2 680pf 13001 fr107 d5 d6 d7 t1 q1 ic1 c1 c4 r1 r2 c5 r3 3.9 c8 led1 c3 103/50v 3.9k 1k db1 r4 ? 5 - 3. EG1201 3*1w led ??? 33uf/450v EG1201 ct is gnd oe ob 1 2 3 4 5 6 7 8 vr fb vcc 47uf/50v 2.2m/0.5w 470uf/50v eg4313 pc817 +11v gnd 10k 1% 82k 1% fr107 fr107 222/1kv 75k/0.5w c2 680pf 13003 fr107 d5 d6 d7 t1 q1 ic1 c1 c4 r1 r2 c5 r3 680pf c8 r8 r6 ic2 r5 2.2k 470 ic3 r4 c3 103/50v 1.210v 3 1 2 5 4 6 22pf db1 rf1 0 l n 500 0.6/0.1w r7 r9 c6 22pf c7 ? 5 - 3. EG1201 7*1w ? led ???
???? EG1201 ?? ? v1.0 ??? 2012 ? ???? ? www.egmicro.com 9 / 14 7. 7.1 ? ? t a = 25 ? v cc gnd ? - 0.3 16 v ? gnd ? - 0.3 vcc+0.3 v - - 140 ma - - 230 ma ?? - - 800 ma ?? - - 1000 m w ? - - 45 85 ? - - 65 125 ? t=10s - 300 ???????????????? 7.2 ? t a = 25 ? ? vcc ? 4.8 5.5 9.0 v ? - 1.6 2.0 2.4 ma ? - - 55 80 ua ? - - 3 - m a ? - 8.6 8.8 9.0 v ??? - 4.2 4.28 4.45 v ? - - 3.7 - v ? - 9.2 9.6 10 v ? io=1.0ma 2.4 2.5 2.6 v ? vcc=5.5 9v - 2 20 mv
???? EG1201 ?? ? v1.0 ??? 2012 ? ???? ? www.egmicro.com 10 / 14 ? io=1.0 3ma - 3 5 % ?? - - 0.2 - mv/ ? f=10hz 10khz - - 50 uv ? t=85 1 1000h - 5 - mv - - - 10 ma ? ct=680pf 57 61 65 khz ?? vcc=5.5 9v - 0.2 1 % ??? ta=0 85 - 1 % (vp - p) - 1.6 - v ? ct=680pf - 800 - ns - - 0.58 0.6 ma - - 30 - k ?? vcc=5.5v 9v 60 70 db ? ? - 0.54 0.58 0.62 v ? is=0.8v - 0.3 - ma ?? - - 60 70 db ? - - 150 250 ns - - 580 - ua ? ?? - 53 57 61 % ?? - - - 3.5 5 ?? ib=20ma 3.5 - - v ?? ib=20ma - - 0.3 v ?? cl=1000pf - - 75 ns ??? cl=1000pf - - 75 ns rs=0.75 720 770 800 ma oe ?? oe=0.001 1.2a - 1.6 - v
???? EG1201 ?? ? v1.0 ??? 2012 ? ???? ? www.egmicro.com 11 / 14 8. ? 8.1 ct ?????? ?? ct ? 100ua ????? 1.6v ?? 1.9ma ct ???????????? t=ct*24000 s f=1/t(hz) ??????????????????? 13003 ??????? 70khz ????? thx201 ct ? 680pf ??????? 61khz ? 8.2 fb ?? fb ???????????????? ? fb ? 600ua ?? 30k ( ?? ) fb ? 1.8v ? ??????? 1.8v ?????? fb ??? ??????? 3 fb 4 gnd 1.8v 25k 5k 600ua ifb rfb1 rfb2 isense eg201 opt ct cfb cfb ?? 103104 ?????? 8.3 ? rs thx201 ?? rs ????????? ic_peak=0.6/rs (a) rs ????????? rs rs ?? ?? ?? ???????????? ??? ?????? rs=(0.3*vdc_min*dmax)/po ( ) ? vdc_min ???dmax ????po ???
???? EG1201 ?? ? v1.0 ??? 2012 ? ???? ? www.egmicro.com 12 / 14 vdc_min=100v po=5v/2a=10w dmax=0.45 rs=0.3*100*0.45/10=1.35 ??????k 1.2 8.4 ?? ic ???????????? 135 ???? ?????????????? ?? 125oc 135oc 125oc temp. ct vcc 4.4v 8.5 ??? ????? fb=0 ? ob ?? 40ma fb= 0. 6 v ?ob ?? 120ma ob eg201 ?? ic ????????? ob ???? oe ? 1.5v ?? ic ????????? cb ??? ??? 700v ?????????? ??? ob oe 0.5v 1.5v
???? EG1201 ?? ? v1.0 ??? 2012 ? ???? ? www.egmicro.com 13 / 14 8.6 ??? ic ???? vcc ?? 8.8v ? ic ??? ??????????? ic ic ?? vcc ?? ic ?? vcc ? 4.8v 9v ?? vcc ?? 4.4v ???vcc ?? 3.8v ?ic ? ?? vcc ct vr 4.8-9v 4.4v 3.8v ic ? vcc ????? vcc ? 9.8v ? fb vcc 9.8v ???????????????? ???????????? vcc ???? ?? vcc ? ic ???? 8.7 ??? ic ????????? fb ??? ???????????? ??????? mosfet ??? ron ????? ??????????? ????e?? EG1201 ????????? ice_limit=0.6/rs (a) ? 90v ?????? 0.75 ?????? 15w ?
???? EG1201 ?? ? v1.0 ??? 2012 ? ???? ? www.egmicro.com 14 / 14 9. ? ? 9.1 dip8 ?? 9.2 so p8 ??

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