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Datasheet File OCR Text: |
? 2004 microchip technology inc. ds21826a_cn 1 ? MCP1700 ? ??? 1.6 a ? ??? 2.3v 6.0v ? ? 1.2v 5.0v ? ? 2.5v ?? 250 ma ? ? < 2.5v ?? 200 ma ? ? ldo -v out = 2.8v 250 ma ??? ? 178 mv ? ? ??? 0.4% ? ??? -1.2v 1.8v 2.5v 3.0v 3.3v 5.0v ? ? 1.0 f ? ? ? ? ? ? ? ? ?d ? ? ?co 2 ? ? ?? ? ? ? ???? ?pda ? ? ?? ? an765, ?using microchip?s micropower ldos?, ds00765, microchip technology inc., 2002 ? an766, ?pin-compatible cmos upgrades to bipolar ldos?, ds00766, microchip technology inc., 2002 ? an792, ?a method to determine how much power a sot23 can dissipate in an application?, ds00792, microchip technology inc., 2001 MCP1700 ?? cmos ??? ldo ??? 250 ma ?E? ? 1.6 a ??? 2.3v 6.0v ?????? ???? MCP1700 ?? ? v out =2.8v ? 178 mv MCP1700 ?? 250 ma ? MCP1700 ?? +25c ???? 0.4% -40c +125c ???? 3% MCP1700 ? 1.2v 5.0v ? ?? ? 1f ? ldo ???? ??? ????????? MCP1700 ???? sot23 sot89-3 to92 ?? 1 3 2 v in gnd v out MCP1700 1 2 3 v in gnd v out MCP1700 3 sot23-a 3 sot-89 3 2 1 gnd v in v out MCP1700 3 to-92 v in ?? ldo
MCP1700 ds21826a_cn 2 ? ? 2004 microchip technology inc. ??? ?? + - MCP1700 v in v out gnd +v in ? ? ? ? MCP1700 gnd v out v in c in 1f ?? c out 1f ?? v out v in 2.3v 3.2v 1.8v i out 150 ma ? 2004 microchip technology inc. ds21826a_cn 3 ? MCP1700 1.0 ?? ? v dd ............................................................................................+ 6.5v ? .................... (v ss -0.3v) (v in +0.3v) ? ............................................................ ? ? ....................................................... -65c +150c ........................................................................ 150c ....................................................... -40c +125c ???_ hbm ; mm ....... 4kv; 400v ? ? ??? ?????? ????? 1????? ? ? ?? v in = v r + 1 i load = 100 a c out = 1 f x5r c in = 1 f x5r t a = +25c ?? t j ? 6 -40c +125c ? ? ? / ?? v in 2.3 ? 6.0 v ? 1 ?? i q ?1.6 4 a i l = 0 ma v in = v r +1v i out_ma 250 200 ? ? ? ? ma v r 2.5v v r < 2.5v i out_sc ? 408 ? ma v in = v r +1v v out = gnd ?? 10 ms ?? v out v r -3.0% v r -2.0% v r 0.4 % v r +3.0% v r +2.0% v ? 2 v out ?? tcv out ?50 ?ppm/c ? 3 ? ? v out / (v out x ? v in ) -1.0 0.75 +1.0 %/v (v r +1)v v in 6v ? ? v out /v out -1.5 1.0 +1.5 % v r 2.5v i l = 0.1 ma 250 ma v r < 2.5v i l = 0.1 ma 200 ma ? 4 ? v r > 2.5v v in -v out ? 178 350 mv i l = 250 ma ? 1 ? 5 ? v r < 2.5v v in -v out ? 150 350 mv i l = 200 ma ? 1 ? 5 ? t r ? 500 ? s 10% v r 90% v r v in = 0v 6v r l = 50 ? ? 1 ? v in ? v in 2.3v v in ( v r + 3.0% ) + v dropout 2 v r ????? v r = 1.2v 1.5v 1.8v 2.5v 2.8v 3.0v 3.3v 4.0v 5.0v ? v in = v r + 1.0v i out = 100 a 3 tcv out = (v out-high - v out-low ) *10 6 / (v r * ? temperature) v out-high = ?????? v out-low = ?????? 4 ???o???????????? Z tcv out ? 5 ????? v r + 1v ??? 2% ????? 6 ????o? t a t j ja ???? ?3 150 C???3 150 C???? 7 ?????y?????????? ??? MCP1700 ds21826a_cn 4 ? ? 2004 microchip technology inc. ?? e n ?3 ?v/(hz) 1/2 i l = 100 ma f = 1 khz c out = 1 f ??? psrr ? 44 ? db f = 100 hz c out = 1 f i l = 50 ma v inac = 100 mv - ? c in = 0 f v r =1.2v ??? t sd ? 140 ? c v in = v r + 1 i l = 100 a ? ?? v in = v r + 1 i load = 100 a c out = 1 f x5r c in = 1 f x5r t a = +25c ?? t j ? 1 -40c +125c ? ? ? ?? ?? t a -40 +125 c ?? t a -40 +125 c ?? t a -65 +150 c ? k sot23-a ja ? 335 ? c/w ? ? 230 ? c/w ? fr4 4 ? k sot89 ja ?52?c/w ? 1 ??? k to-92 ja ?131.9?c/w eia/jedec jesd51-751-7 4 ? 1 ????o? t a t j ja ???? ?3 150c ???3 150c ???? ? ? ?? v in = v r + 1 i load = 100 a c out = 1 f x5r c in = 1 f x5r t a = +25c ?? t j ? 6 -40c +125c ? ? ? ? 1 ? v in ? v in 2.3v v in ( v r + 3.0% ) + v dropout 2 v r ????? v r = 1.2v 1.5v 1.8v 2.5v 2.8v 3.0v 3.3v 4.0v 5.0v ? v in = v r + 1.0v i out = 100 a 3 tcv out = (v out-high - v out-low ) *10 6 / (v r * ? temperature) v out-high = ?????? v out-low = ?????? 4 ???o???????????? Z tcv out ? 5 ????? v r + 1v ??? 2% ????? 6 ????o? t a t j ja ???? ?3 150 C???3 150 C???? 7 ?????y?????????? ??? ? 2004 microchip technology inc. ds21826a_cn 5 ? MCP1700 2.0 ? ?? v r = 1.8v c out = 1 f ?? x5r c in = 1 f ?? x5r i l = 100 a t a =+25c v in = v r +1v ? ?????y? t j ????????? ?? ? 2-1 ??? ? 2-2 ?? ? 2-3 ? ? 2-4 ?? v r = 1.2v ? 2-5 ?? v r = 1.8v ? 2-6 ?? v r = 2.8v ? ??? ?? ?????? ??? ^??? ?? 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 input voltage (v) quiescent current (a) t j = - 40c t j = +25c t j = +125c v r = 1.2v i out = 0 a 0 5 10 15 20 25 30 35 40 45 50 0 25 50 75 100 125 150 175 200 225 250 load current (ma) ground current (a) v r = 2.8v t j = - 40c t j = +25c t j = +125c 1.25 1.50 1.75 2.00 2.25 2.50 -40 -25 -10 5 20 35 50 65 80 95 110 125 junction temperature (c) quiscent current (a) v r = 5.0v v r = 2.8v v r = 1.2v v in = v r + 1v i out = 0 a 1.190 1.192 1.194 1.196 1.198 1.200 1.202 1.204 1.206 22.533.544.555.56 input voltage (v) output voltage (v) t j = - 40c t j = +25c t j = +125c v r = 1.2v i out = 0.1 ma 1.77 1.775 1.78 1.785 1.79 1.795 1.8 22.533.544.555.56 input voltage (v) output voltage (v) t j = - 40c t j = +25c t j = +125c v r = 1.8v i out = 0.1 ma 2.778 2.780 2.782 2.784 2.786 2.788 2.790 2.792 2.794 2.796 2.798 2.800 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7 6 input voltage (v) output voltage (v) t j = - 40c t j = +25c t j = +125c v r = 2.8v i out = 0.1 ma MCP1700 ds21826a_cn 6 ? ? 2004 microchip technology inc. ? ?? v r = 1.8v c out = 1 f ?? x5r c in = 1 f ?? x5r i l = 100 a t a =+25c v in = v r +1v ? 2-7 ?? v r = 5.0v ? 2-8 ?? v r = 1.2v ? 2-9 ?? v r = 1.8v ? 2-10 ?? v r = 2.8v ? 2-11 ?? v r = 5.0v ? 2-12 ??? v r = 2.8v 4.955 4.960 4.965 4.970 4.975 4.980 4.985 4.990 4.995 5.000 5 5.2 5.4 5.6 5.8 6 input voltage (v) output voltage (v) t j = - 40c t j = +25c t j = +125c v r = 5.0v i out = 0.1 ma 1.15 1.16 1.17 1.18 1.19 1.20 1.21 0 25 50 75 100 125 150 175 200 load curent (ma) output voltage (v) t j = - 40c t j = +25c t j = +125c v r = 1.2v v in = v r + 1v 1.778 1.780 1.782 1.784 1.786 1.788 1.790 1.792 0 25 50 75 100 125 150 175 200 load current (ma) output voltage (v) t j = - 40c t j = +25c t j = +125c v r = 1.8v v in = v r + 1v 2.778 2.780 2.782 2.784 2.786 2.788 2.790 2.792 2.794 2.796 2.798 0 50 100 150 200 250 load current (ma) output voltage (v) t j = - 40c t j = +25 t j = +125c v r = 2.8v v in = v r + 1v 4.955 4.960 4.965 4.970 4.975 4.980 4.985 4.990 4.995 5.000 0 50 100 150 200 250 load current (ma) output voltage (v) t j = - 40c t j = +25 t j = +125c v r = 5.0v v in = v r + 1v 0 0.05 0.1 0.15 0.2 0.25 0 25 50 75 100 125 150 175 200 225 250 load current (ma) dropout votage (v) t j = - 40c t j = +25c t j = +125c v r = 2.8v ? 2004 microchip technology inc. ds21826a_cn 7 ? MCP1700 ? ?? v r = 1.8v c out = 1 f ?? x5r c in = 1 f ?? x5r i l = 100 a t a =+25c v in = v r +1v ? 2-13 ??? v r = 5.0v ? 2-14 ???? v r = 1.2v ? 2-15 ???? v r = 2.8v ? 2-16 ? ? 2-17 ?? v r =1.2v ? 2-18 ?? v r =1.8v 0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 0 25 50 75 100 125 150 175 200 225 250 load current (ma) dropout voltage (v) t j = - 40c t j = +25c t j = +125c v r = 5.0 v 0.01 0.1 1 10 0.01 0.1 1 10 100 1000 frequency (khz) noise (mv/ hz) v in = 2.5v v r = 1.2v i out = v in = 2.8v v r = 1.8v i out = v in = 3.8v v r = 2.8v i out = MCP1700 ds21826a_cn 8 ? ? 2004 microchip technology inc. ? ?? v r = 1.8v c out = 1 f ?? x5r c in = 1 f ?? x5r i l = 100 a t a =+25c v in = v r +1v ? 2-19 ?? v r =2.8v ? 2-20 ?? v r =1.8v ? 2-21 ?? v r =2.8v ? 2-22 ?? v r =5.0v ? 2-23 ?? v r =2.8v ? 2-24 ? v in ? v r =1.2v ? 2004 microchip technology inc. ds21826a_cn 9 ? MCP1700 ? ?? v r = 1.8v c out = 1 f ?? x5r c in = 1 f ?? x5r i l = 100 a t a =+25c v in = v r +1v ? 2-25 ? v in ? v r =1.8v ? 2-26 ? v in ? v r =2.8v ? 2-27 ?? v r = 1.8v ? 2-28 ?? v r = 2.8v ? 2-29 ?? v r = 5.0v ? 2-30 ??? v r = 1.2v 1.8v 2.8v -0.4 -0.3 -0.2 -0.1 0 0.1 0.2 0.3 -40 -25 -10 5 20 35 50 65 80 95 110 125 junction temperature (c) load regulation (%) v r = 1.8v i out = 0 to 200 ma v in = 2.2v v in = 5.0v v in = 3.5v -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0 -40 -25 -10 5 20 35 50 65 80 95 110 125 junction temperature (c) load regulation (%) v r = 2.8v i out = 0 to 250 ma v in = 5.0v v in = 4.3v v in = 3.3v -0.2 -0.15 -0.1 -0.05 0 0.05 0.1 -40 -25 -10 5 20 35 50 65 80 95 110 125 junction temperature (c) load regulation (%) v r = 5.0v i out = 0 to 250 ma v in = 5.5v v in = 6.0v -0.3 -0.25 -0.2 -0.15 -0.1 -0.05 0 0.05 0.1 -40 -25 -10 5 20 35 50 65 80 95 110 125 junction temperature (c) line regulation (%/v) v r = 1.8v v r = 1.2v v r = 2.8v MCP1700 ds21826a_cn 10 ? ? 2004 microchip technology inc. 3.0 MCP1700 ? 3-1 ?? 3-1 MCP1700 ?? 3.1 ?? gnd ??????? gnd ? ldo ???? 1.6 a ?? ldo ??????? ????? 3.2 ? v out ???? v out ???t ldo v out ? ???? 3.3 ? v in v in ??????? ? ldo ?????? ?????????? ???? 1f ??? ? ldo ? ?? 100 ma ??????? ???????? ?? esr ???? psrr ? ? sot23-a ? sot89 ? to-92 111gnd ?? 233v out ? 322v in ? ? 2004 microchip technology inc. ds21826a_cn 11 ? MCP1700 4.0 ?? 4.1 ? ldo ????? ???????? p mosfet ??? ???? ?????? ? 4-1 4.2 MCP1700 ? p mosfet ? ? MCP1700 p mosfet ?????? ldo ? ???? 4.3 ldo ????? ldo ????? ???? 140c ? ldo ??? ???? 130c ?? ???? ??? ldo ???? ? 4-1 ?? + - MCP1700 v in v out gnd +v in ? ? ? MCP1700 ds21826a_cn 12 ? ? 2004 microchip technology inc. 5.0 ? MCP1700 ? cmos ??? ???? MCP1700 ? 0ma 250 ma v r 2.5v ?? 2.3v 6.0v ? ????????? ? 5.1 MCP1700 ? p mosfet ? ldo ??? 10 ? ldo ??? ??????? ?? ? 100 ma 1f ???? ???? 5.2 MCP1700 ? 250 ma v r 2.5v v r < 2.5v 200 ma ? 250 ma ????? ?? 1.0 f ?? ????? esr ? 0 ? 2.0 ? 5.3 ? ????????? ldo ? MCP1700 ? ??? 500 s ? 2004 microchip technology inc. ds21826a_cn 13 ? MCP1700 6.0 ??? 6.1 ? MCP1700 ??????? ??????? ? 6-1 ?? 6.1.1 ? 6.2 ? 6.2.1 MCP1700 ??? ?????? 1.6 a x v in ? ldo ?? ? MCP1700 ? +125 c ? ? MCP1700 ????? r ja sot23 ??? ? 230 c/w ? ??????? ????? ???? ? ? ? ? =sot23 ? =2.3v 3.2v v in ? =3.2v v out ? =1.8v i out = 150 ma ? MCP1700 gnd v out v in c in 1f ?? c out 1f ?? v out v in 2.3v 3.2v 1.8v i out 150 ma p ldo v in max ) () v out min () ? () i out max ) () = p ldo = ldo ? v in(max) = ? v out(min) = ldo ? t jmax () p total r ja t amax + = t j(max) = p total = ? r ja = ? t amax = ??? p dmax () t jmax () t amax () ? () r ja --------------------------------------------------- = p d(max) = ?? t j(max) = t a(max) = ??? r ja = ? t jrise () p dmax () r ja = t j(rise) = 3??? p total = ?? r ja = ? t j t jrise () t a + = t j = t j(rise) = 3??? t a = ? MCP1700 ds21826a_cn 14 ? ? 2004 microchip technology inc. 6.3 ?? ???o ????????? 6.3.1 ? ?????? r ja ?? eia/jedec ? eia/jedec Z jesd51-7 high effective thermal conductivity test board for leaded surface mount packages ??? ????Z? ????? an792 a method to determine how much power a sot23 can dissipate in an application ds00792 ???? 1 ???????? ????1 ? ??? +40c ?? 6.4 ?? MCP1700 ??? ????????? ??????? ???? MCP1700 ldo ?? ????? MCP1700 ?? ????????? ? ? 6-2 ? MCP1700 ??? 6.5 ? ?? MCP1700 Z? 250 ma MCP1700 ? ?????????? ? 250 ma ?????? ? 250 ma MCP1700 ?? ? MCP1700 ??? 550 ma t a +25c ? ? =sot23 ? v in = 2.3v 3.2v ldo ?? v out = 1.8v i out =150ma ??? t a(max) = +40c ? ?? ldo ldo ??? v in v out p ldo(max) =(v in(max) - v out(min) ) x i out(max) p ldo = (3.2v - (0.97 x 1.8v)) x 150 ma p ldo = 218.1 mw t j(rise) =p total x rq ja t jrise = 218.1 mw x 230.0 c/w t jrise =50.2 c t j =t jrise + t a(max) t j = 90.2c sot23 230.0c/w = r ja p d(max) = (125c - 40c) / 230c/w p d(max) = 369.6 mw sot89 52c/w = r ja p d(max) = (125c - 40c) / 52c/w p d(max) = 1.635 w to92 131.9c/w = r ja p d(max) = (125c - 40c) / 131.9c/w p d(max) =644 mw picmicro ? MCP1700 gnd v in c in 1f c out 1f ? v out v ref ado ad1 ?? 1 a ?? ? ? 2004 microchip technology inc. ds21826a_cn 15 ? MCP1700 7.0 ?? 7.1 ??? 3 sot-23a cknn 3 sot-89 cuyyww nnn 3 to-92 xxxxxx xxxxxx ywwnnn ? ??? ? * ck 1.2 cm 1.8 cp 2.5 cr 3.0 cs 3.3 cu 5.0 ?? xx...x ??? * y ? ?? yy ? ? ww ? 1 1 ?? 01 nnn ??? ? microchip ?????? ????? * ?? microchip ???????? ? 1700 1202e 313256 * ?? ???? microchip ? MCP1700 ds21826a_cn 16 ? ? 2004 microchip technology inc. 3 ??? tt sot-23 10 5 0 10 5 0 ??? 10 5 0 10 5 0 ?? 0.51 0.44 0.37 .020 .017 .015 b ? 0.18 0.14 0.09 .007 .006 .004 c ? 10 5 0 10 5 0 ? 0.55 0.45 0.35 .022 .018 .014 l ?? 3.04 2.92 2.80 .120 .115 .110 d ? 1.40 1.30 1.20 .055 .051 .047 e1 ?? 2.64 2.37 2.10 .104 .093 .083 e ? 0.10 0.06 0.01 .004 .002 .000 a1 ?? 1.02 0.95 0.88 .040 .037 .035 a2 ?? 1.12 1.01 0.89 .044 .040 .035 a ?? 1.92 .076 p1 ? 0.96 .038 p ? 3 3 n ? ? * 2 1 p d b n e e1 l c a2 a a1 p1 * ? ? ? d e1 ??????????? 0.010 ? 0.254 ? ? jedec ? to-236 ? c04-104 ? ? 2004 microchip technology inc. ds21826a_cn 17 ? MCP1700 0.56 0.44 .022 .017 b 6? ,x?z 0.44 0.35 .017 .014 c 6? nz 1.83 1.62 .072 .064 d1 0u?f?ksz 4.60 4.40 .181 .173 d ksz 2.29 2.13 .090 .084 e1 %??>?njf??z 4.25 3.94 .167 .155 h ?z 1.60 1.40 .063 .055 a p?z 3.00 bsc .118 bsc p1 {6?kc? ? ? 1.50 bsc .059 bsc p 6?d ?? ?? ?? ?? 8 !?2g 8? )! ' ` ( %?!e?0uck?%?!{,x!e?0uckkcye? 8?? !?2g?? "?? 1 b - ( ' ( & |