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BL8305? v1.0 - 1 - http://www.belling.com.cn total 8 pages 4/11/2005 BL8305 BL8305 BL8305 BL8305 ? ? ? ? BL8305 ???? ? bl8301 ? BL8305 ?? ? mosfet ??? ??? ???? ? ????? ??? ?? ??? BL8305 ???? ???? BL8305 ?? ? esdlatch-up ? pdip14 sop14 ?? ?? ?? ?? ?? ??? mosfet ??? ??? ???? ??? ???? ? <150ua esdlatch-up ? ? ? ? 1. BL8305 ??? ?? mos ?? ???? mosfet ??? 1.2us ???? 3us 2. BL8305 ???? ?? ???? ???? 3. BL8305 ???? ? ? /? ? ?? ? ? ??????? 4. BL8305 ? 6.35v ?? ?? 150 ua 5. BL8305 ? ? 6. BL8305 ???? pdip14 sop14?? esd latch-up ??
BL8305? v1.0 - 2 - http://www.belling.com.cn total 8 pages 4/11/2005 ?? t8 36w ????? vcc vdc BL8305 gnd pro poff cpre ct ld fd hv out2 out1 rt rpre 1m 4.7u in4148 1n 15v 17.2k 100k 470p 0.1u 400v 175k 430k 1010 13005 22n 13005 22n fr107fr107 2mh 100n 8.2n t8 36w in4148 100k 0.1u 620k rstart rp1 rp2 ct rt cp c1 ro co 47n 30 22 22 2 rhv 0.1u ? 1 vcc vdc BL8305 gnd pro poff cpre ct ld fd hv out2 out1 rt rpre 1m 4.7u in4148 1n 15v 17.2k 100k 470p 0.1u 400v 175k irf830 irf830 2mh 100n 8.2n t8 36w rstart rp1 rp2 ct rt cp c1 ?? t8 36w ????? co 1u 0.1u 620k 2 0.1u 100 100 ? 2
BL8305? v1.0 - 3 - http://www.belling.com.cn total 8 pages 4/11/2005 ??? ??? ??? ??? BL8305 vcc vdc rpre rt ct gnd poff hv ld out1 out2 7 5 13 3 4 2 12 control logic 11 9 8 1 14 power supply drv drv pro 4.3v 2.0v 6.3v 0.55v 6.35v fd 10 cpre 6 i i 34 k3 k4 vdc gnd v1 v2 1 k k2 vdc gnd voltage generator osc driving strength control vdc ? 1 vcc ? 2 vdc 6.3v ? 3 rpre ??? 4 rt ? 5 ct ? 6 cpre ??? 7 poff ??? 8 gnd ? 9 pro 10 fd ? 11 ld ? 12 hv ? 13 out2 2 14 out1 1
BL8305? v1.0 - 4 - http://www.belling.com.cn total 8 pages 4/11/2005 ?? ?? ?? ?? ?? ?? ic ???? ???? 400v ? ?? rstart c1 ? rstart ?? ic ? iqstart ? c1 ? rstart ? ? ?? rstart ? iqstart c1 ???? ic ?C ? vccon ?ic ? ??? ? ic ic ??? ,15v ??? 1n4148? ? c1 ??? 4.7uf ? ? ? ? BL8305 ?? ?? ???? ???? ? ??? cp ? cp ? icpcharge cp ?? ???? ?? ???? 2 1 2 7 * 249 .0 10 526 .1 p p p p preheat r r r c t + ? = ??? rpre1 rpre2 ??? vrpre ??? run rpre pre f v f = 6 . 1 35 .6 2 1 2 pr + = p p p e r r r r v ?? rt ? ct t t run c r f = 374 .0 mosfet mosfet mosfet mosfet ? ? ? ? bipolar bipolar bipolar bipolar ? ? ? ?
BL8305? v1.0 - 5 - http://www.belling.com.cn total 8 pages 4/11/2005 ?? ??? BL8305 ???? ? ?? rhv hv ??? 40kohm ? ??? ????????? ??????? 1 ???? ?? ?????? ? ? ? BL8305 ???? ??? ? BL8305 ?? ??? ?? mosfet ???? ??? 11.8 ?? ? ?????? mosfet ?hv ??? ? ??? ??? 15v ??? 14v ?? ? ? ? ? ic ??? pro9 ? fd10 ? ld11 ? pro ? ic ??? ? pro ????? vpro (0.55v)
BL8305? v1.0 - 6 - http://www.belling.com.cn total 8 pages 4/11/2005 ic ??? fd ?? ? fd ? ? ???? ld ??? ???? 4.3v??? 2.0vld ?? 200k ??? vdc gnd? ld ? 3.2v ?? ???? 1s ? ?? 1s ? ???? ic ?????? ? ic ? fd ?? ?? ?? ?? ?? ic ??????? poff ? ??? ? 1s ? poff ??? 20ma ???? k ? ???? ? ? ? ? ??? ? gnd gnd=0v ???? ? ? ? ? ? ? ? ? ? vcc? 1 ? --- 30 v v rpre ????? 1 7 v i rt ? --- 1 ma v pro ?? -0.3 vdc v iout1 out1 200 ma iout2 out2 200 ma t s ? -55 150 ? 1: ??? mos ? vcc 15v ? ? ? ? ? ? ? vcc ? -- 15 -- v v rpre ????? 1 -- 4 v i rt ? 20 82 200 ua v pro ?? 0 -- vdc v v ld1 ? 1 ?? 0 -- vdc v
BL8305? v1.0 - 7 - http://www.belling.com.cn total 8 pages 4/11/2005 ta=25vcc=15vrp1=150krp2=100krt=17.7kct=470pf cp=0.1ufvpro=0v ld3.2v?? vhv=0 ? ?? ? ? ?? ? ? ?? ? vccon ?C? - 13.7 - v vcc 0v vccoff ??? - 10 - v vcc 15v ? vdc ???? - 6.35 - v vcc=15v i vdc ??? 10 ma vcc=15v i qstart ??? ? --- --- 150 ua vcc 0.55v ld < 2.0v ld > 4.3v i qvcc ? --- 1.3 --- ma out1out2 1 --- 300 khz fosc ? --- 45 --- khz v ct ????? 2 4 v fosc = 45 khz ? ? ? ? i cprecharge cpre ? --- 0.25 --- ua i cpredis cpre ?? --- 1 --- ua fpre ?? 71 khz tpre ?? 1.4 s cpre = 0.1uf tign ??? 14 ms cpre = 0.1uf v cprefault ??? cpre ? --- 0 --- v vout1p-p out1 ? ? 13 --- 15 v iout > 100ma iout1 out1 (? ) - --- 200 ma vout1p-p > 13v vout2p-p out2 ? ? 13 --- 15 v iout > 100ma iout2 out2 (? ) - --- 200 ma vout1p-p > 13v tdeadmos mos ?? 1.2 us tdeadbip ???? 3.0 us hv6.3v
BL8305? v1.0 - 8 - http://www.belling.com.cn total 8 pages 4/11/2005 ? ?? ? ? ?? ? ? ?? ? v pro ?? - 0.55 - v v ld1up ? 1 ?? - 4.3 - v v ld1dn ? 1 ?? - 2.0 - v

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