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ame 1 ame8826 1.55a cmos ldo rev.d.04 n typical application n functional block diagram (fixed versions) l very low dropout voltage l guaranteed 1.55a output l accurate to within 1.5% l 45 m a quiescent current typically l over-temperature shutdown l current limiting l noise reduction bypass capacitor (fixed versions) l power-saving shutdown mode l low temperature coefficient l adjustable version the ame8826 family of positive, linear regulators fea- ture low quiescent current (45 m a typ.) with low dropout voltage, making them ideal for battery applications. output voltages are set at the factory and trimmed to 1.5% accuracy. these rugged devices have both thermal shutdown, and current fold-back to prevent device failure under the "worst" operating conditions. in applications requiring a low noise, regulated supply, place a 1000pf capacitor between bypass and ground. the ame8826 is stable with an output capacitance of 4.7 m f or greater. l instrumentation l portable electronics l wireless devices l pc peripherals l battery powered widgets n general description n features n applications (adjustable version) overcurrent shutdown thermal shutdown amp gnd out in r1 r2 1.242v en bypass (external) (external) overcurrent shutdown thermal shutdown amp in 1.242v gnd out r1 r2 en adj l all ame ? s lead free products meet rohs standards ame8826 out in c3 4.7 m f c1 1 m f gnd out en byp c2 1000p f in 5v
ame 2 1.55a cmos ldo ame8826 rev.d.04 n pin configuration ame 8826aedvxxx 1. en 2. in 3. gnd(tab) 4. out 5. byp * die attach: conductive epoxy to-263-5 top view to-263-5 top view ame8826bedvadj 1. en 2. in 3. gnd(tab) 4. out 5. adj * die attach: conductive epoxy sop-8 top view sop-8 top view ame 8826aehaxxx 1. byp 2. gnd 3. gnd 4. en 5. in 6. gnd 7. gnd 8. out * die attach: conductive epoxy ame 8826behaadj 1. adj 2. gnd 3. gnd 4. en 5. in 6. gnd 7. gnd 8. out * die attach: conductive epoxy ame 8826cehaadj 1. en 2. in 3. out 4. adj 5. gnd 6. gnd 7. gnd 8. gnd * die attach: conductive epoxy sop-8 top view 1 3 2 4 5 ame8826 1 3 2 4 5 ame8826 1 3 2 4 ame8826 5 6 7 8 1 3 2 4 ame8826 5 6 7 8 1 3 2 4 ame8826 5 6 7 8 ame 3 ame8826 1.55a cmos ldo rev.d.04 n pin description pin name pin description in input voltage pin. it should be decoupled with 1 m f or greater capacitor. gnd ground connection pin. en enable pin. when pulled low, the pmos pass transistor turns off, current consuming less than 1a. byp bypass capacitor connection. to improve ac ripple rejection, connect a 1000pf capacitor to gnd. this will also provide a soft-start function. out ldo voltage regulator output pin. it should be decoupled with a 4.7 f or greater value low esr ceramic capacitor. adj feedback output voltage for adjustable device. ame 4 1.55a cmos ldo ame8826 rev.d.04 n ordering information operating temperature range number of pins package type pin configuration special feature output voltage ame8826 x x x x xxx x a 1. en e: -40 o c to +85 o c d: to-263 a: 8 adj: adjustable z: lead free (to-263-5) 2. in h: sop v: 5 150: v=1.5v 3. gnd 180: v=1.8v 4. out 250: v=2.5v 5. byp 330: v=3.3v 475: v=4.75v b 1. en 500: v=5.0v (to-263-5) 2. in 3. gnd 4. out 5. adj a 1. byp (sop-8) 2. gnd 3. gnd 4. en 5. in 6. gnd 7. gnd 8. out b 1. adj (sop-8) 2. gnd 3. gnd 4. en 5. in 6. gnd 7. gnd 8. out c 1. en (sop-8) 2. in 3. out 4. adj 5. gnd 6. gnd 7. gnd 8. gnd pin configuration operating ambient temperature range special feature output voltage package type number of pins ame 5 ame8826 1.55a cmos ldo rev.d.04 n ordering information (contd.) note: yyww represents the date code * a line on top of the first letter represents lead free plating such as ame8826 please consult ame sales office or authorized rep./distributor for output voltage and package type availability. part number marking* output voltage package operating ambient temperature range ame8826aedv150 ame8826 aedv150 yyww 1.50 to-263-5 - 40 o c to +85 o c ame8826aedv150z ame8826 aedv150 yyww 1.50 to-263-5 - 40 o c to +85 o c ame8826aedv180 ame8826 aedv180 yyww 1.80 to-263-5 - 40 o c to +85 o c ame8826aedv180z ame8826 aedv180 yyww 1.80 to-263-5 - 40 o c to +85 o c ame8826aedv250z ame8826 aedv250 yyww 2.50 to-263-5 - 40 o c to +85 o c ame8826aedv330z ame8826 aedv330 yyww 3.30 to-263-5 - 40 o c to +85 o c ame8826aedv475z ame8826 aedv475 yyww 4.75 to-263-5 - 40 o c to +85 o c ame8826aedv500z ame8826 aedv500 yyww 5.00 to-263-5 - 40 o c to +85 o c ame8826bedvadj ame8826 bedvadj yyww adj to-263-5 - 40 o c to +85 o c ame8826bedvadjz ame8826 bedvadj yyww adj to-263-5 - 40 o c to +85 o c ame 6 1.55a cmos ldo ame8826 rev.d.04 n ordering information part number marking* output voltage package operating ambient temperature range AME8826AEHA150Z ame8826 aeha150 yyww 1.50 sop-8 - 40 o c to +85 o c ame8826aeha180z ame8826 aeha180 yyww 1.80 sop-8 - 40 o c to +85 o c ame8826aeha250z ame8826 aeha250 yyww 2.50 sop-8 - 40 o c to +85 o c ame8826aeha330z ame8826 aeha330 yyww 3.30 sop-8 - 40 o c to +85 o c ame8826aeha475z ame8826 aeha475 yyww 4.75 sop-8 - 40 o c to +85 o c ame8826aeha500z ame8826 aeha500 yyww 5.00 sop-8 - 40 o c to +85 o c ame8826behaadjz ame8826 behaadj yyww adj sop-8 - 40 o c to +85 o c ame8826cehaadj ame8826 cehaadj yyww adj sop-8 - 40 o c to +85 o c ame8826cehaadjz ame8826 cehaadj yyww adj sop-8 - 40 o c to +85 o c ame 7 ame8826 1.55a cmos ldo rev.d.04 n absolute maximum ratings n recommended operating conditions n thermal information * measure q jc on backside center of tab. ** measure q jc on center of molding compound if ic has no tab. *** mil-std-202g210f caution: stress above the listed absolute maximum rating may cause permanent damage to the device. * hbm b:2000v~3999v parameter package die attach symbol maximum unit *to-263-5 5 **sop-8 60 to-263-5 80 sop-8 150 to-263-5 1700 sop-8 810 150 o c 350 o c internal power dissipation mw solder iron(10 sec)*** conductive epoxy o c / w thermal resistance (junction to ambient) maximum junction temperature p d q jc q ja thermal resistance (junction to case) parameter maximum unit input voltage -0.3 to +8 v en, byp voltage -0.3 to +8 v output voltage -0.3 to v in + 0.3 v output current p d / (v in - v out ) ma esd classification b* parameter symbol rating unit ambient temperature range t a - 40 to +85 o c junction temperature range t j - 40 to +125 o c storage temperature range t stg - 65 to +150 o c ame 8 1.55a cmos ldo ame8826 rev.d.04 parameter symbol min typ max units input voltage v in note 1 7 v output voltage accuracy v o -1.5 1.5 % 1.5v<=v o(nom) <=2.0v 1000 2.0v ame 10 1.55a cmos ldo ame8826 rev.d.04 dropout voltage vs i load quiescent current vs. temperature ground current vs. v in ground current vs. load current dropout voltage vs v out current limit vs. v in 1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 3 2 3 4 5 6 7 8 c u r r e n t l i m i t ( a ) v in (v) c in = 4.7 m f c out = 4.7 m f v out = 1.8v g r o u n d c u r r e n t ( m a ) v in (v) 10 15 20 25 30 35 40 45 50 2 3 4 5 6 7 8 i out = 140ma v out = 1.5v temperature ( o c) q u i e s c e n t c u r r e n t @ 5 v ( u a ) 25 27 29 31 33 35 37 39 41 -45 -5 25 55 85 115 d r o p o u t v o l t a g e ( v ) v out (v) 0 0.2 0.4 0.6 0.8 1 0 2 4 6 8 i load =1.5a i load =1.0a i load =0.5a d r o p o u t v o l t a g e ( v ) i load (a) 0 0.2 0.4 0.6 0.8 1 1.2 0 0.3 0.6 0.9 1.2 1.5 1.8 1.8 2.0 2.1 2.8 3.3 v out =1.5 g r o u n d c u r r e n t ( m a ) load current (a) 34.5 35 35.5 36 36.5 37 37.5 38 38.5 0 0.25 0.5 0.75 1 1.25 1.5 v in = 2.5v v out = 1.5v ame 11 ame8826 1.55a cmos ldo rev.d.04 load step 40ma to 1.5a dropout voltage vs. load current(2.5v) line transient response load regulation vs. temperature current limit response ame8826cehaadj vs. temperature i l o a d 1 a / d i v v o u t 1 v / d i v time 1ms/div i lim i sc 0a 0v v in = 5v c in = 4.7 m f c out = 4.7 m f v o u t 1 0 m v / d i v i l o a d 1 a / d i v time 500 m s/div 0a c in = 4.7 m f c out = 4.7 m f v in = 4.0v v out = 1.8v v i n ( 2 v / d i v ) v o u t ( 5 0 m v / d i v ) time (20 m s/div) c in = 4.7 m f c out = 4.7 m f t r = t f = 1 m s v out = 1.5v 0v v a d j ( v ) temperature ( o c) 1.235 1.236 1.237 1.238 1.239 1.240 1.241 1.242 1.243 1.244 -45 -5 25 55 85 115 0 50 100 150 200 250 300 350 400 0.3 0.6 0.9 1.2 1.5 115 o c 85 o c 55 o c 25 o c -5 o c -45 o c load current (a) d r o p o u t v o l t a g e @ 1 . 5 a ( m v ) l o a d r e g u l a t i o n ( % ) temperature ( o c) 0.00 0.05 0.10 0.15 0.20 0.25 0.30 -45 -5 25 55 85 115 1ms/div time 500 m s/div (a) ame 12 1.55a cmos ldo ame8826 rev.d.04 overtemperature shutdown stability vs. esr vs. i load stability vs. esr vs. i load stability vs. esr vs. i load 0.001 0.01 0.1 1 10 100 1000 10000 0 250 500 750 1000 1250 1500 stable region untested region unstable region c l =10 m f c l e s r ( w ) iload (ma) 0.01 0.1 1 10 100 1000 10000 0 250 500 750 1000 1250 1500 stable region untested region unstable region c l =2 m f c l e s r ( w ) iload (ma) c l e s r ( w ) iload (ma) 0.01 0.1 1 10 100 1000 10000 0 250 500 750 1000 1250 1500 stable region untested region unstable region c l =5 m f v o u t 1 v / d i v i o u t 1 a / d i v time 100ms/div 0v 0a v in = 4v c in = 4.7 m f c out = 4. 7 m f 100ms/div ame 13 ame8826 1.55a cmos ldo rev.d.04 n external resistor divider table r1 (k ohm) 1 2 5 10 20 50 100 200 500 1000 vout 1.30 21.41 42.83 107.07 214.14 428.28 1070.69 1.35 11.50 23.00 57.50 115.00 230.00 575.00 1.40 7.86 15.72 39.30 78.61 157.22 393.04 1.45 5.97 11.94 29.86 59.71 119.42 298.56 597.55 1.50 4.81 9.63 24.07 48.14 96.28 240.70 481.68 962.79 1.55 4.03 8.06 20.16 40.32 80.65 201.62 403.44 806.49 1.60 3.47 6.94 17.35 34.69 69.39 173.46 347.07 693.85 1.65 3.04 6.09 15.22 30.44 60.88 152.21 304.52 608.82 1.70 2.71 5.42 13.56 27.12 54.24 135.59 271.27 542.36 1.75 2.44 4.89 12.22 24.45 48.90 122.24 244.56 488.98 1.80 2.23 4.45 11.13 22.26 44.52 111.29 222.64 445.16 1.85 2.04 4.09 10.21 20.43 40.86 102.14 204.33 408.55 1.90 1.89 3.78 9.44 18.88 37.75 94.38 188.80 377.51 1.95 1.75 3.51 8.77 17.54 35.08 87.71 175.46 350.85 877.12 2.00 1.64 3.28 8.19 16.39 32.77 81.93 163.88 327.70 819.26 2.05 1.54 3.07 7.69 15.37 30.74 76.86 153.74 307.43 768.56 2.10 1.45 2.90 7.24 14.48 28.95 72.38 144.78 289.51 723.78 2.15 1.37 2.74 6.84 13.68 27.36 68.39 136.81 273.57 683.92 2.20 1.30 2.59 6.48 12.96 25.93 64.82 129.67 259.29 648.23 2.25 1.23 2.46 6.16 12.32 24.64 61.61 123.23 246.43 616.07 2.30 1.17 2.35 5.87 11.74 23.48 58.70 117.41 234.78 586.96 2.35 1.12 2.24 5.60 11.21 22.42 56.05 112.11 224.19 560.47 2.40 1.07 2.15 5.36 10.73 21.45 53.63 107.27 214.51 536.27 2.45 1.03 2.06 5.14 10.28 20.56 51.41 102.83 205.63 514.07 2.50 0.99 1.97 4.94 9.87 19.75 49.36 98.74 197.46 493.64 2.55 0.95 1.90 4.75 9.50 18.99 47.48 94.97 189.91 474.77 2.60 0.91 1.83 4.57 9.15 18.29 45.73 91.47 182.92 457.29 914.58 2.65 0.88 1.76 4.41 8.82 17.64 44.11 88.22 176.42 441.05 882.10 2.70 0.85 1.70 4.26 8.52 17.04 42.59 85.19 170.37 425.93 851.85 2.75 0.82 1.65 4.12 8.24 16.47 41.18 82.37 164.72 411.80 823.61 2.80 0.80 1.59 3.99 7.97 15.94 39.86 79.73 159.44 398.59 797.18 2.85 0.77 1.54 3.86 7.72 15.45 38.62 77.25 154.48 386.19 772.39 2.90 0.75 1.50 3.75 7.49 14.98 37.45 74.92 149.82 374.55 749.10 2.95 0.73 1.45 3.64 7.27 14.54 36.36 72.72 145.43 363.58 727.17 3.00 0.71 1.41 3.53 7.06 14.13 35.32 70.65 141.30 353.24 706.48 3.05 0.69 1.37 3.43 6.87 13.74 34.35 68.70 137.39 343.47 686.95 3.10 0.67 1.34 3.34 6.68 13.37 33.42 66.85 133.69 334.23 668.46 r2(kohm)=(1.242*r1(kohm))/(vout-1.242) ame 14 1.55a cmos ldo ame8826 rev.d.04 n external resistor divider table (contd.) note: small load(greater than 2 ma) is necessary as r1 or r2 is larger than 50 k ohm. otherwise, outputvoltage probably cannot be pulled down to 0 v on disable mode. r1 (k ohm) 1 2 5 10 20 50 100 200 500 1000 vout 3.15 0.65 1.30 3.25 6.51 13.02 32.55 65.09 130.19 325.47 650.94 3.20 0.63 1.27 3.17 6.34 12.69 31.72 63.43 126.86 317.16 634.32 3.25 0.62 1.24 3.09 6.19 12.37 30.93 61.85 123.71 309.26 618.53 3.30 0.60 1.21 3.02 6.03 12.07 30.17 60.35 120.70 301.75 603.50 3.35 0.59 1.18 2.95 5.89 11.78 29.46 58.92 117.84 294.59 589.18 3.40 0.58 1.15 2.88 5.76 11.51 28.78 57.55 115.11 287.77 575.53 3.45 0.56 1.13 2.81 5.63 11.25 28.13 56.25 112.50 281.25 562.50 3.50 0.55 1.10 2.75 5.50 11.00 27.50 55.00 110.01 275.02 550.04 3.55 0.54 1.08 2.69 5.38 10.76 26.91 53.81 107.63 269.06 538.13 3.60 0.53 1.05 2.63 5.27 10.53 26.34 52.67 105.34 263.36 526.72 3.65 0.52 1.03 2.58 5.16 10.32 25.79 51.58 103.16 257.89 515.78 3.70 0.51 1.01 2.53 5.05 10.11 25.26 50.53 101.06 252.64 505.29 3.75 0.50 0.99 2.48 4.95 9.90 24.76 49.52 99.04 247.61 495.22 3.80 0.49 0.97 2.43 4.86 9.71 24.28 48.55 97.11 242.77 485.54 3.85 0.48 0.95 2.38 4.76 9.52 23.81 47.62 95.25 238.11 476.23 3.90 0.47 0.93 2.34 4.67 9.35 23.36 46.73 93.45 233.63 467.27 3.95 0.46 0.92 2.29 4.59 9.17 22.93 45.86 91.73 229.32 458.64 4.00 0.45 0.90 2.25 4.50 9.01 22.52 45.03 90.07 225.16 450.33 4.05 0.44 0.88 2.21 4.42 8.85 22.12 44.23 88.46 221.15 442.31 4.10 0.43 0.87 2.17 4.35 8.69 21.73 43.46 86.91 217.28 434.57 4.15 0.43 0.85 2.14 4.27 8.54 21.35 42.71 85.42 213.55 427.10 4.20 0.42 0.84 2.10 4.20 8.40 20.99 41.99 83.98 209.94 419.88 4.25 0.41 0.83 2.06 4.13 8.26 20.64 41.29 82.58 206.45 412.90 4.30 0.41 0.81 2.03 4.06 8.12 20.31 40.61 81.23 203.07 406.15 4.35 0.40 0.80 2.00 4.00 7.99 19.98 39.96 79.92 199.81 399.61 4.40 0.39 0.79 1.97 3.93 7.87 19.66 39.33 78.66 196.64 393.29 4.45 0.39 0.77 1.94 3.87 7.74 19.36 38.72 77.43 193.58 387.16 4.50 0.38 0.76 1.91 3.81 7.62 19.06 38.12 76.24 190.61 381.22 4.55 0.38 0.75 1.88 3.75 7.51 18.77 37.55 75.09 187.73 375.45 4.60 0.37 0.74 1.85 3.70 7.40 18.49 36.99 73.97 184.93 369.86 4.65 0.36 0.73 1.82 3.64 7.29 18.22 36.44 72.89 182.22 364.44 4.70 0.36 0.72 1.80 3.59 7.18 17.96 35.92 71.83 179.58 359.17 4.75 0.35 0.71 1.77 3.54 7.08 17.70 35.40 70.81 177.02 354.05 4.80 0.35 0.70 1.75 3.49 6.98 17.45 34.91 69.81 174.54 349.07 4.85 0.34 0.69 1.72 3.44 6.88 17.21 34.42 68.85 172.12 344.24 4.90 0.34 0.68 1.70 3.40 6.79 16.98 33.95 67.91 169.76 339.53 4.95 0.33 0.67 1.67 3.35 6.70 16.75 33.50 66.99 167.48 334.95 5.00 0.33 0.66 1.65 3.30 6.61 16.52 33.05 66.10 165.25 330.49 r2(kohm)=(1.242*r1(kohm))/(vout-1.242) ame 15 ame8826 1.55a cmos ldo rev.d.04 package carrier width (w) pitch (p) part per full reel reel size sop-8 12.00.1 mm 4.00.1 mm 2500pcs 3301 mm package carrier width (w) pitch (p) part per full reel reel size to-263-5 24.00.1 mm 4.00.1 mm 800pcs 3301 mm n tape and reel dimension w p pin 1 to-263-5 carrier tape, number of components per reel and reel size ame ame carrier tape, number of components per reel and reel size sop-8 pin 1 w p a m e a m e ame 16 1.55a cmos ldo ame8826 rev.d.04 n package dimension to-263-5 sop-8 min max min max a 1.35 1.75 0.05315 0.0689 a 1 0.10 0.30 0.00394 0.01181 a2 b 0.33 0.51 0.01299 0.02008 c 0.19 0.25 0.00748 0.00984 d 4.80 5.33 0.18898 0.20984 e 3.80 4.00 0.14961 0.15748 e l 0.40 1.27 0.01575 0.05000 h 5.80 6.30 0.22835 0.24803 y - 0.10 - 0.00394 q 0 o 8 o 0 o 8 o symbols millimeters inches 1.473 ref 0.05799 ref 1.27 bsc 0.05000 bsc a b r h g k n e d c p top view side view a 1 b 1 bottom view front view pin 1 min max min max a 10.050 10.668 0.396 0.420 b 8.280 9.169 0.326 0.361 c 4.310 4.670 0.170 0.184 d 0.660 0.910 0.026 0.036 e 1.140 1.400 0.045 0.055 g h 14.600 15.875 0.575 0.625 k 1.143 1.680 0.045 0.066 n 0.330 0.580 0.013 0.023 p 2.280 2.800 0.090 0.110 r 0 o 8 o 0 o 8 o a1 7.50 7.70 0.295 0.303 b1 5.80 6.45 0.228 0.254 1.70ref 0.067 ref symbols millimeters inches 7 o ( 4 x ) top view side view front view d e a a 2 a 1 e b h c l c pin 1 life support policy: these products of ame, inc. are not authorized for use as critical components in life-support devices or systems, without the express written approval of the president of ame, inc. ame, inc. reserves the right to make changes in the circuitry and specifications of its devices and advises its customers to obtain the latest version of relevant information. ? ame, inc. , november 2008 document: 2013-ds8826-d.04 corporate headquarter ame, inc. 2f, 302 rui-guang road, nei-hu district taipei 114, taiwan. tel: 886 2 2627-8687 fax: 886 2 2659-2989 www.ame.com.tw e-mail: sales@ame.com.tw |
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