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BH6553FV ? ic cd-rom ??`?` BH6553FV BH6553FV cd-rom ?_k? 3.3v dc / dc `??????? 1 ??? ic ???` 1.15mm ?` pc ??C??m? ! L L L L 3.3v dc / dc ` ???????M???? ? 3.3v dc / dc `?`???????p 3.3v 2 ??`?Ci ???? ??? ? on ??p??p ??`?Ci ????` ???R atapi ??i ??? ? v dd ??i ! ? ? ? ? cd dvd vB ! ~?? ~?? ~?? ~?? ta = 2 5 c parameter ????s??o?y ?????o?y dsw,asw z? z??v ?0? symbol powv cc prev cc vg(12pin) iomax pd limits 9 9 12 1 1000 ? 30 ~ + 85 ? 55 ~ + 150 unit v v v a mw c c ?^9s c? -9s c? topr tstg ? 1 ? 2 ? 1 ? 2 ?? mos ?o?y ta = 25 c ? x 8.2mw/ c p0nb?{ 70mm 70mm z^ 1.6mm z? )
?p % ?z??3?
{ 7g1c 5msec w??a????? BH6553FV ? ic ! ?? ?? ?? ?? 10 11 12 9 8 7 6 5 4 3 2 1 24 23 22 21 20 19 18 17 16 15 13 14 predriver predriver ? + ? + ? + + ? + ce2 ce1 saw osc soft ? + ? + ? + chg pmp (dvcc 2) ! h h h h pin no. pin no. z? z? z?
? z?
? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 asw ???;??? z?z? ???;?????z? ???;??????z? powgnd pwmfil vao ref ce2 ce1 clk prevcc c_m c_p vg ?? ??o???? ?
4 ?;???
?z? ?o??z? ????s??o?? ?????z? 3.3v ????????z? 3.3v ????? z?z? 3.3v ??????????z? ???????
?z? ? ???????
?z? + ????s??o?? reset vddmon atapi soft ct pregnd vdd e_i e_o powgnd dsw powvcc prevcc/atapi ??? z?z? vdd ?<u z z?z? atapi ;u z?y??z? 1?????;???
?z? ~t z?z? ????s??o???? ??????z? ???? z?z? ?? ??o???? ?? ??o??
BH6553FV ? ic ! pin no. z?sas?
$ z? asw powgnd dsw powvcc pwmfil vao ref ce2 1 2,22 23 24 24 1 2 22 23 3 4 5 6 3 6 100k 100k 4 30k 30k 5 100k 100k
BH6553FV ? ic pin no. z?sas?
$ z? ce1 clk prevcc 7 8 9 9 11 12 7 100k 100k 100k 100k 8 100k 150k c_p vg 11 12 10 13 37.5 37.5 10 13 c_m reset
BH6553FV ? ic pin no. z?sas?
$ z? vddmon atapi soft 14 15 16 15 17 19 20 21 ct vdd e_i e_o 14 37.5 33k 250k 10k 200k 16 5k 17 19 20 132k 80k 21
BH6553FV ? ic ! ?? ?? ?? ??????? ta = 2 5 c, vcc = 5v parameter symbol ????v ???o?v ?? vg ?o?v 3.3v dc / dc ??? ei z?3?y eo z? z??y h eo z? z??y l soft z? z??y soft z??v dsw z? on ? h asw z? on ? h asw z?????v h asw z?????v asw z? on ? l dsw z?????v h dsw z?????v l dsw z? c *t
: 1 dsw z? c *t
: dsw z?7 ?? ? dco z?3?y dsw z? on ? l soft z???e??? st min. typ. max. unit conditions test circuit ? ? ? ? 1.8 6.5 ?? ? ? ? ? 2.0 450 ? ?? ?? ? 6.0 7.0 30 10 0.90 0.39 0.34 3.88 240 0.32 3.70 80 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 0.95 87.0 ? ? 1.06 1.39 0.15 1.59 175 300 a a a a a a a a a a a a a a a a a a ce1 = ce2 = 0v fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 fig.1 cc 2.1 3.2 80 160 ma cg veith 1.25 1.31 ? ? ? ? + eoh 1.19 v v v v + ol 0.20 vsoft 2.05 2.80 isoft 9.5 12.5 rsoft 186 216 246 rdswonh rdswonl idswlkh idswlkl 2.0 fdsw1 fdsw2 240 290 340 500 550 vdco raswonh raswonl 3.24 3.30 3.36 v v v vvaoth 2.10 2.40 0.66 1.06 0.54 0.94 z??y iaswlkl vg 7.6 9.6 11.6 + gm + gmhys ihclk ilclk 5.0 37.0 46.0 70 55.0 v mv ictscr ictsnk vrston 99.0 27.0 32.0 37.0 + cth + ctl 0.85 v v v v 0.44 3.52 vrsthys 160 mv mv mv vrsto 0.16 vatpon 1.26 1.40 1.54 v v v v v v v 40.0 60.0 90.0 ? 1l
?-x`os??d?{ 1.19 ieo =? 100 a ieo = 100 a k ? 0.66 il2 = 500ma il1 = 500ma il2 =? 500ma il1 =? 500ma 0.54 0.94 kh z kh z kh z ct = 100pf clk = 500 kh z ???;??? tdswmin 0.01 0.50 sec vao z?3?y 1.80 max = 1v iaswlkh 2.0 ? 2.0 ???? ?^
? c *t
: fosc 130 185 240 vg ?\s? clk ?????v h clk ?????v l ct z?1??v ct z?3???v ct z?3?y h ct z?3?y l ? 20 0 20 75.0 ???kt??s? v cc ??? on ?y v cc ??? z??y atapi ??? z??y v cc ??? z?????v atapi ??? z?????v v dd ??? z?????v v cc ????a?3 ? atapi ????a?3 ? v dd ????a?3 ? il4 = 1ma,v cc = 4v il4 = 1ma il3 = 1ma irstlk 2.0 atapi ??? on ?y v dd ??? on ?y v dd ??? z??y vatphys vatpo 0.14 0.30 iatplk 2.0 vmonon 75 80 85 % vmonhys 10.0 30.0 70.0 vmono 0.14 0.30 imonlk 2.0 ????s? ce1 on ?y ce2 on ?y ce1 off ?y ce2 off ?y ce1 ???v h ce2 ???v h ce2 ???v l ce1 ???v l vce1on vce2on vce1of vce2of 0.4 0.4 1.0 1.0 ice1h ice2h ice2l ice1l 150 150 190 190 230 230 ce1 = 5.0v ce2 = 5.0v ce1 = 0.0v ce2 = 0.0v ? 2.0 ? 2.0 0.0 0.0 2.0 2.0
BH6553FV ? ic ! y y y y 10 11 12 9 8 7 6 5 4 3 2 1 24 23 22 21 20 19 18 17 16 15 13 14 predriver predriver idlk ? + ? + ? + + ? + ce2 ce1 saw osc soft ? + ? + ? + chg pmp (dvcc 2 ) 1 1 1 1 1 1 1 1 1 1 1 11 1 3 3 3 3 2 2 2 2 2 2 2 2 2 2 22 2 2 sw-tsd a a a a v v v v v v v il2 il1 rb461f 4 4 3 2.5v 10k ? sw-dsw a v v v v2 dsw 2.5v 10k ? v1 ist,ic iadlk adsw ice2 ihclk ilclk mon icg vg ice1 pwmfil ip eo ict ct ivlk irlk reset isft soft vddmon ieo eo ei 100k ? 1000pf dco 100pf ct 0.1 f atapi il3 il4 47k ? 47k ? 5v eds eds 100k 0.047 f tsd a a a v cc adco max 1v a a a a a 5v clk ce1 ce2 0.2v,4.8v,500khz 0.1 f vg 0.1 f t??? ??? ?v-w x
ym2??b{ pwmfil fig.1 sw-clk sw-pwmfil sw-adsw sw-eo sw-ei sw-dco sw-ct sw-sft sw-vlk sw-rlk sw-vg sw-pmp ! h h h h 1. 3.3v dc / dc ` ? n ? mos 2 ??? dc / dc `? ???? pwm ?`????R??? `?????R 3.3v 2% ?? ??R??????`?????????? ?????? 100% ? 2. ?? ? n ? mos 2 ?? ???????? ??R?? pin5 ?RE 1 / 2 typ. O? 3. ?k 1) ?k ??k??? c t pin17-gnd gO?? ???? 0.9v typ. ?? 0.39v typ. ? 32 a typ. ` 85 a typ. ????? ?k? f t ? f = (32 a + 85 a) c t (0.9v ? 0.39v) ??
BH6553FV ? ic
? c ~tt t vcth=0.90v vcth=0.39v v t = 1 / f 2) ?? clk ? pin8 ? 0 ? v cc vp ? p ???????????? ??? ? ? ????????? ? ? ???r??? c t ??? ? ? ????R 1.2v typ. ? ????8~tt vcth=0.90v vth=1.2v vcth=0.39v v t v v cc qj u??t?8 0v
? 4. v dd ? ? n ? mos `???? 3.3v dc / dc `?R v dd 80% typ. ?????? pin14 n mos on ? ??R?????O?????? 5. v cc ??? atapi ?? ? n ? mos `???? v cc 3.7v typ. ???? atapi ??R pin15 1.4v typ. ????? pin13 n ? mos on ? ??R?????O??????
BH6553FV ? ic ! ? ? ? ? 10 11 12 9 8 7 6 5 4 3 2 1 24 23 22 21 20 19 18 17 16 15 13 14 predriver predriver ? + ? + ? + + ? + ce2 ce1 saw osc soft ? + ? + ? + chg pmp (dvcc 2) 0.1 f 0.1 f 47 h47 f 10k 100k 1000pf 100pf 1 f 0.1 f 0.1 f 0.1 f 1000pf v dd :3.3v rb461f atapi v dd monitor v cc .atapi reset ? com ce1 ce2 eject clk m v cc :5v fig.2 ! ??? ??? ??? ??? 1. o?g?? ic ??? 0.1 ????? 2. BH6553FV ??`????i?? ??? 175 typ. ????? pin1,23 ?? n ? mos off `????? ?`?? ???? 150 typ. ????`? ? 3. 3.3v dc / dc ` L `??? ? ?`? ?? ? ?`???? ? ? Q ?
BH6553FV ? ic ! ?? ?? ?? ?? on ? voltage (pin23 ? pin24) [v] pin23 source current [a] dsw ? v cc on ? 0 0 0.2 0.4 0.6 0.8 1.0 0.2 0.4 0.6 0.8 1.0 v cc = 5v h l v pin23 pin22 pin24 5v on ? voltage (pin23 ? pin22) [v] pin23 sink current [a] dsw ? gnd on ? 0 0 0.2 0.4 0.6 0.8 1.0 0.2 0.4 0.6 0.8 1.0 v cc = 5v h l v pin23 pin22 pin24 5v pin14 output voltage [v] pin14 sink current [ma] v dd t?? z? ?y!? 0 0 0.2 0.1 0.4 0.3 0.6 0.5 0.8 0.9 0.7 1.0 12 3 4 5 BH6553FV(ta = 9 ) v dd t?? z? ?y!? v cc = 5v v dd = 0v h v pin14 v cc = 5v pin13 output voltage [v] pin13 sink current [ma] atapi ?? ? z? ?y!? 0 0 0.2 0.1 0.4 0.3 0.6 0.5 0.8 0.9 0.7 1.0 12 3 4 5 BH6553FV(ta = 9 ) atapi ?? ? z? ?y!? v cc = 5v atapi = 0v h v pin13 v cc = 5v pin13 output voltage [v] power supply voltage [v] atapi ?? ? z? on ?y? (v cc != ) 0 0 1 2 3 4 5 12 3 4 5 BH6553FV(ta = 9 ) atapi ?? ? atapi = 0v h v pin13 47k ? efficiency [ % ] output current [ma] 3.3v dc / dc ???!??p 50 50 60 70 80 90 100 v cc = 5v 150 250 350 450 550 ! ? ? ? ? ? units : mm ssop-b24 0.15 0.1 0.1 1.15 0.1 0.1 1 0.65 7.8 0.2 7.6 0.3 5.6 0.2 24 0.3min. 12 13 0.22 0.1

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