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ame 1 ame8802 300ma cmos ldo rev.k.02 n typical application n functional block diagram l very low dropout voltage l guaranteed 300ma output l accurate to within 1.5% l 30 m a quiescent current l over-temperature shutdown l current limiting l short circuit current fold-back l power good output function l power-saving shutdown mode l space-saving sot-25 l factory pre-set output voltages l low temperature coefficient the ame8802 family of positive, linear regulators fea- ture low quiescent current (30 m a typ.) with low dropout voltage, making them ideal for battery applications. the space-saving sot-25 package is attractive for "pocket" and "hand held" applications. these rugged devices have both thermal shutdown, and current fold-back to prevent device failure under the "worst" of operating conditions. an additional feature is a "power good" detector, which pulls low when the output is out of regulation. the ame8802 is stable with an output capacitance of 2.2 m f or greater. l instrumentation l portable electronics l wireless devices l cordless phones l pc peripherals l battery powered widgets l electronic scales n general description n features n applications note: if output voltage specification is lower than 1.215v, vref will be trimmed to 1.2v trimmed to 1.2v. gnd out in pg overcurrent shutdown thermal shutdown en v ref =1.215v v ref x90% v ref x110% amp r2 r1 ame8802 output input c2 2.2 m f c1 1 m f gnd out 5v en pg in l all ame' s lead free products meet rohs standards
ame 2 300ma cmos ldo ame8802 rev.k.02 n pin configuration ame8802 1. v in 2. gnd 3. en 4. pg 5. v out * die attach: conductive epoxy n ordering information sot-25 top view 1 3 2 5 4 ame8802 operating ambient temperature range number of pins package type product grade or option special feature ame8802 x x x x x a: 3.3v 1: 1.3v e: -40 o c to +85 o c e: sot-2x v: 5 l: low profile b: 3.0v 2: 2.0v y: lead free & low profile c: 2.8v 3: 4.2v z: lead free d: 2.5v 4: 4.0v e: 3.8v f: 3.6v g: 3.5v h: 2.7v i: 3.4v j: 2.85v k: 3.7v l: 1.5v m: 1.8v n: 2.9v o: 3.1v p: 4.1v q: 4.75v r: 2.65v s: 5.0v u: 3.2v v: 3.15v w: 2.3v y: 1.9v z: 1.7v product grade or option special feature operating ambient temperature range package type number of pins
ame 3 ame8802 300ma cmos ldo rev.k.02 n ordering information note: ww represents the date code and pls refer to date code rule before package dimension. * a line on top of the first character represents lead free plating such as aakww. 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 ame8802aeev aakww 3.3v sot-25 - 40 o c to +85 o c ame8802aeevl aakww 3.3v tsot-25 - 40 o c to +85 o c ame8802aeevy aakww 3.3v tsot-25 - 40 o c to +85 o c ame8802aeevz aakww 3.3v sot-25 - 40 o c to +85 o c ame8802beev aalww 3.0v sot-25 - 40 o c to +85 o c ame8802beevl aalww 3.0v tsot-25 - 40 o c to +85 o c ame8802beevy aalww 3.0v tsot-25 - 40 o c to +85 o c ame8802beevz aalww 3.0v sot-25 - 40 o c to +85 o c ame8802ceev aamww 2.8v sot-25 - 40 o c to +85 o c ame8802ceevl aamww 2.8v tsot-25 - 40 o c to +85 o c ame8802ceevy aamww 2.8v tsot-25 - 40 o c to +85 o c ame8802ceevz aamww 2.8v sot-25 - 40 o c to +85 o c ame8802deev aanww 2.5v sot-25 - 40 o c to +85 o c ame8802deevl aanww 2.5v tsot-25 - 40 o c to +85 o c ame8802deevy aanww 2.5v tsot-25 - 40 o c to +85 o c ame8802deevz aanww 2.5v sot-25 - 40 o c to +85 o c ame8802eeev aaoww 3.8v sot-25 - 40 o c to +85 o c ame8802eeevl aaoww 3.8v tsot-25 - 40 o c to +85 o c ame8802eeevy aaoww 3.8v tsot-25 - 40 o c to +85 o c ame8802eeevz aaoww 3.8v sot-25 - 40 o c to +85 o c ame8802feev abpww 3.6v sot-25 - 40 o c to +85 o c ame8802feevl abpww 3.6v tsot-25 - 40 o c to +85 o c ame8802feevy abpww 3.6v tsot-25 - 40 o c to +85 o c ame8802feevz abpww 3.6v sot-25 - 40 o c to +85 o c
ame 4 300ma cmos ldo ame8802 rev.k.02 n ordering information (contd.) part number marking* output voltage package operating ambient temperature range ame8802geev acgww 3.5v sot-25 - 40 o c to +85 o c ame8802geev l acgww 3.5v tsot-25 - 40 o c to +85 o c ame8802geev y acgww 3.5v tsot-25 - 40 o c to +85 o c ame8802geev z acgww 3.5v sot-25 - 40 o c to +85 o c ame8802heev aehww 2.7v sot-25 - 40 o c to +85 o c ame8802heevl aehww 2.7v tsot-25 - 40 o c to +85 o c ame8802heevy aehww 2.7v tsot-25 - 40 o c to +85 o c ame8802heevz aehww 2.7v sot-25 - 40 o c to +85 o c ame8802ieev aepww 3.4v sot-25 - 40 o c to +85 o c ame8802ieevl aepww 3.4v tsot-25 - 40 o c to +85 o c ame8802ieevy aepww 3.4v tsot-25 - 40 o c to +85 o c ame8802ieevz aepww 3.4v sot-25 - 40 o c to +85 o c ame8802jeev agrww 2.85v sot-25 - 40 o c to +85 o c AME8802JEEVL agrww 2.85v tsot-25 - 40 o c to +85 o c ame8802jeevy agrww 2.85v tsot-25 - 40 o c to +85 o c ame8802jeevz agrww 2.85v sot-25 - 40 o c to +85 o c ame8802keev ahtww 3.7v sot-25 - 40 o c to +85 o c ame8802keevl ahtww 3.7v tsot-25 - 40 o c to +85 o c ame8802keevy ahtww 3.7v tsot-25 - 40 o c to +85 o c ame8802keevz ahtww 3.7v sot-25 - 40 o c to +85 o c ame8802leev ajmww 1.5v sot-25 - 40 o c to +85 o c ame8802leevl ajmww 1.5v tsot-25 - 40 o c to +85 o c ame8802leevy ajmww 1.5v tsot-25 - 40 o c to +85 o c ame8802leevz ajmww 1.5v sot-25 - 40 o c to +85 o c
ame 5 ame8802 300ma cmos ldo rev.k.02 n ordering information part number marking* output voltage package operating ambient temperature range ame8802meev ajnww 1.8v sot-25 - 40 o c to +85 o c ame8802meevl ajnww 1.8v tsot-25 - 40 o c to +85 o c ame8802meevy ajnww 1.8v tsot-25 - 40 o c to +85 o c ame8802meevz ajnww 1.8v sot-25 - 40 o c to +85 o c ame8802neev akqww 2.9v sot-25 - 40 o c to +85 o c ame8802neevl akqww 2.9v tsot-25 - 40 o c to +85 o c ame8802neevy akqww 2.9v tsot-25 - 40 o c to +85 o c ame8802neevz akqww 2.9v sot-25 - 40 o c to +85 o c ame8802oeev akrww 3.1v sot-25 - 40 o c to +85 o c ame8802oeevl akrww 3.1v tsot-25 - 40 o c to +85 o c ame8802oeevy akrww 3.1v tsot-25 - 40 o c to +85 o c ame8802oeevz akrww 3.1v sot-25 - 40 o c to +85 o c ame8802seev aqyww 5.0v sot-25 - 40 o c to +85 o c ame8802seevl aqyww 5.0v tsot-25 - 40 o c to +85 o c ame8802seevy aqyww 5.0v tsot-25 - 40 o c to +85 o c ame8802seevz aqyww 5.0v sot-25 - 40 o c to +85 o c ame8802ueev asdww 3.2v sot-25 - 40 o c to +85 o c ame8802ueevl asdww 3.2v tsot-25 - 40 o c to +85 o c ame8802ueevy asdww 3.2v tsot-25 - 40 o c to +85 o c ame8802ueevz asdww 3.2v sot-25 - 40 o c to +85 o c
ame 6 300ma cmos ldo ame8802 rev.k.02 n absolute maximum ratings n recommended operating conditions n thermal information caution: stress above the listed absolute rating may cause permanent damage to the device. * hbm b:2000v~3999v * measure q jc on center of molding compound if ic has no tab. ** mil-std-202g 210f parameter maximum unit input voltage 8 v output current p d / (v in - v o ) ma output voltage gnd - 0.3 to v in + 0.3 v esd classification b* parameter package die attach symbol maximum unit thermal resistance * (junction to case) q jc 81 thermal resistance (junction to ambient) q ja 260 internal power dissipation p d 400 mw 150 o c 350 o c conductive epoxy maximum junction temperature solder iron (10sec)** o c / w sot-25 parameter symbol rating unit ambient temperature range t a - 40 to +85 o c junction temperature range t j - 40 to +125 o c
ame 7 ame8802 300ma cmos ldo rev.k.02 parameter symbol min typ max units input voltage v in note 1 7 v output voltage accuracy v o -1.5 1.5 % 1.2v<=v o(nom) <=2.0v 1300 dropout voltage v dropout 2.0v1.2v test condition i o =1ma v o <0.8v i o =0ma i o =1ma to 300ma see chart i o =300ma v o =v o(nom) -2.0% v o >1.2v v en =0v, v in =2.7v to 7v v in =5v, v o =0v, v en ame 8 300ma cmos ldo ame8802 rev.k.02 the ame8802 family of cmos regulators contain a pmos pass transistor, voltage reference, error amplifier, over-current protection, thermal shutdown, and power good function. the p-channel pass transistor receives data from the error amplifier, over-current shutdown, and thermal pro- tection circuits. during normal operation, the error ampli- fier compares the output voltage to a precision reference. over-current and thermal shutdown circuits become ac- tive when the junction temperature exceeds 150 o c, or the current exceeds 300ma. during thermal shutdown, the output voltage remains low. normal operation is re- stored when the junction temperature drops below 120 o c. the ame8802 switches from voltage mode to current mode when the load exceeds the rated output current. this prevents over-stress. the ame8802 also incorpo- rates current foldback to reduce power dissipation when the output is short circuited. this feature becomes ac- tive when the output drops below 0.8volts, and reduces the current flow by 65%. full current is restored when the voltage exceeds 0.8 volts. the enable pin normally floats high. when actively, pulled low, the pmos pass transistor shuts off, and all internal circuits are powered down. in this state, the qui- escent current is less than 1 m a. this pin behaves much like an electronic switch. n detailed description n external capacitors n enable n power good the ame8802 includes the power good feature. when the output is not within + 15% of the specified voltage, it pulls low. this can occur under the following conditions: 1) input voltage too low. 2) during over-temperature. 3) during over-current. 4) if output is pulled up. (note: pg pin is an open-drain output.) the ame8802 is stable with an output capacitor to ground of 2.2 m f or greater. ceramic capacitors have the lowest esr, and will offer the best ac performance. con- versely, aluminum electrolytic capacitors exhibit the high- est esr, resulting in the poorest ac response. unfortu- nately, large value ceramic capacitors are comparatively expensive. one option is to parallel a 0.1 m f ceramic capacitor with a 10 m f aluminum electrolytic. the benefit is low esr, high capacitance, and low overall cost. a second capacitor is recommended between the in- put and ground to stabilize vin. the input capacitor should be at least 0.1 m f to have a beneficial effect. all capacitors should be placed in close proximity to the pins. a "quiet" ground termination is desirable. this can be achieved with a "star" connection.
ame 9 ame8802 300ma cmos ldo rev.k.02 ground current vs. input voltage load step (1ma-300ma) chip enable transient response chip enable transient response drop out voltage vs. output voltage drop out voltage vs. load current g r o u n d c u r r e n t ( m a ) input voltage (v) 0 5 10 15 20 25 30 35 40 45 0 1 2 3 4 5 6 7 8 85 o c 25 o c 0 0 time (1ms/div) c l =2 m f r l =10 w o u t p u t ( 1 v / d i v ) e n a b l e ( 2 v / d i v ) 0 0 o u t p u t ( 1 v / d i v ) e n a b l e ( 2 v / d i v ) time (1ms/div) c l =2 m f r l =10 w c byp =1000pf time(20ms/div) c l =2.2 m f c in =2.2 m f output i load 0 i l ( 2 0 0 m a / d i v ) v o ( 5 m v / d i v ) 1200 1000 800 600 400 200 1.3 1.5 2 3 4 output voltage (v) i o =100ma i o =200ma d r o p o u t v o l t a g e ( m v ) 0 i o =300ma 5 1200 1000 800 600 400 200 0 50 100 150 200 250 300 load current (ma) v out =1.3v v out =1.5v v out =1.8v top to bottom v out =2.3v v out =2.5v v out =2.8v v out =3.0v v out =3.3v v out =3.5v d r o p o u t v o l t a g e ( m v ) v out =3.8v v out =4.0v
ame 10 300ma cmos ldo ame8802 rev.k.02 p s r r ( d b ) 100ma 10ma 1ma 100 m a 100ma 100 m a c l =2.2 m f tantalum c byp =0 -80 -70 -60 -50 -40 -30 -20 -10 0 10 1k 100k frequency (hz) 10m power supply rejection ratio short circuit response overtemperature shutdown current limit response noise measurement line transient response c l =2.2 m f tantalum c =0 r load =100 w r short =0.1 w 0 0 time (2ms/div) v o u t ( 1 v / d i v ) i l o a d ( 4 0 0 m a / d i v ) v o u t ( 1 v / d i v ) i o u t ( 2 0 0 m a / d i v ) time (0.5sec/div) 0 0 r load =6.6 w time (2ms/div) 0 0 v o u t ( 1 v / d i v ) i o u t ( 2 0 0 m a / d i v ) r load =3.3 w time (20ms/div) v o ( 1 m v d i v ) c l =2.2 m f no filter time (2ms/div) v o ( 1 m v / d i v ) v i n ( 1 v / d i v )
ame 11 ame8802 300ma cmos ldo rev.k.02 stability vs. esr vs. i load stability vs. esr vs. i load stability vs. esr vs. i load stability vs. esr vs. i load safe operating area o u t p u t c u r r e n t ( m a ) input-output voltage differential (v) 10 100 300 0.1 1.0 8.0 sot-23-5 iload (ma) 0.01 0.1 1 10 100 1000 10000 0 50 100 150 200 stable region untested region unstable region c l =1 m f e s r ( w ) iload (ma) 0.01 0.1 1 10 100 1000 10000 0 50 100 150 200 stable region untested region unstable region c l =2 m f e s r ( w ) 0.01 0.1 1 10 100 1000 10000 0 50 100 150 200 stable region untested region unstable region iload (ma) c l =3 m f e s r ( w ) 0.001 10000 0.01 0.1 1 10 100 1000 0 50 100 150 200 stable region untested region unstable region c l =10 m f iload (ma) e s r ( w )
ame 12 300ma cmos ldo ame8802 rev.k.02 shut down current vs. temp. quiescent current vs. temp. load regulation vs. temp. en pin lo bias current vs. temp. dropout voltage vs. temp. pg vol vs. temp. 0.40 0.42 0.44 0.46 0.48 0.50 0.52 0.54 0.56 0.58 -45 -5 25 55 85 temperature ( o c) l o a d r e g u l a t i o n ( % ) -0.50 -0.45 -0.40 -0.35 -0.30 -0.25 -0.20 -45 -5 25 55 85 temperature ( o c) e n p i n l o b i a s c u r r e n t ( u a ) 150 160 170 180 190 200 210 220 -45 -5 25 55 85 temperature ( o c) d r o p o u t v o l t a g e @ 3 0 0 m a ( m v ) 0.15 0.20 0.25 0.30 0.35 0.40 0.45 -45 -5 25 55 85 temperature ( o c) p g v o l @ 0 . 4 m a ( v ) 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 -45 -5 25 55 85 temperature ( o c) s h u t d o w n c u r r e n t ( u a ) 27 28 29 30 31 32 33 34 35 -45 -5 25 55 85 temperature ( o c) q u i e s c e n t c u r r e n t @ 5 v ( u a )
ame 13 ame8802 300ma cmos ldo rev.k.02 year a a a w w xxx0 a a a w w xxx1 a a a w w xxx2 a a a w w xxx3 a a a w w xxx4 a a a w w xxx5 a a a w w xxx6 a a a w w xxx7 a a a w w xxx8 a a a w w xxx9 marking date code n date code rule n tape and reel dimension package carrier width (w) pitch (p) part per full reel reel size sot-25 8.00.1 mm 4.00.1 mm 3000pcs 1801 mm carrier tape, number of components per reel and reel size sot-25 w p ame ame pin 1
ame 14 300ma cmos ldo ame8802 rev.k.02 n tape and reel dimension carrier tape, number of components per reel and reel size w p ame ame pin 1 package carrier width (w) pitch (p) part per full reel reel size tsot-25 8.00.1 mm 4.00.1 mm 3000pcs 1801 mm tsot-25
ame 15 ame8802 300ma cmos ldo rev.k.02 n package dimension sot-25 tsot-25 min max min max a a 1 0.00 0.15 0.0000 0.0059 b 0.30 0.55 0.0118 0.0217 d 2.70 3.10 0.1063 0.1220 e 1.40 1.80 0.0551 0.0709 e h 2.60 3.00 0.10236 0.11811 l q 1 0 o 10 o 0 o 10 o s 1 1.90 bsc 0.07480 bsc symbols millimeters inches 1.20ref 0.0472ref 0.37bsc 0.0146bsc 0.95bsc 0.0374bsc min max min max a+a 1 0.90 1.25 0.0354 0.0492 b 0.30 0.50 0.0118 0.0197 c 0.09 0.25 0.0035 0.0098 d 2.70 3.10 0.1063 0.1220 e 1.40 1.80 0.0551 0.0709 e h 2.40 3.00 0.09449 0.11811 l q 1 0 o 10 o 0 o 10 o s 1 0.35bsc 0.0138bsc 0.95bsc 0.0374bsc 1.90 bsc 0.07480 bsc symbols millimeters inches top view side view d s 1 e e h front view a 1 b a l c 1 pin 1 top view side view d s 1 e e h front view a 1 b a l c 1 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: 2006/2095-ds8802-k.02 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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