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ame 1 ame8853a rev.c.01 high psrr, low noise, 300ma cmos regulator n typical application the ame8853a family of positive, cmos linear regula- tors provide low dropout voltage(220mv@300ma), low quiescent current, and low noise cmos ldo. these rugged devices have both thermal shutdown, and cur- rent limit to prevent device failure under the "worst" of operating conditions. l instrumentation l portable electronics l wireless devices l cordless phones l pc peripherals l battery powered widgets n general description n features n applications n functional block diagram l low dropout voltage: 220mv@300ma l guaranteed current: 300ma l quiescent current: 60 m a (typ.) l over-temperature shutdown l current limiting protection l psrr: 60db@10khz l ultra-low-noise: 100 m v rms at 1hz to 100khz l low temperature coefficient l input voltage range : 2.5v~5.5v l output voltage range: 0.8v~ 4.3v l green products meet rohs standards overcurrent shutdown thermal shutdown in en amp - + out r 1 r 2 gnd vref c 1 1 m f in c out 1 m f out ame 8853 a in en out gnd
ame 2 high psrr, low noise, 300ma cmos regulator ame8853a rev.c.01 n pin configuration sc-70-5 top view ame8853a-aivxxx 1. in 2. gnd 3. en 4. nc 5. out * die attach: conductive epoxy sot-25/tsot-25a top view ame8853a-aevxxxx 1. in 2. gnd 3. en 4. nc 5. out * die attach: conductive epoxy sot-23 top view ame8853a-aetxxx 1. gnd 2. out 3. in * die attach: non-conductive epoxy sc-70-4 (sc-82) top view ame8853a-aiuxxx 1. en 2. gnd 3. out 4. in * die attach: conductive epoxy 1 3 2 5 4 ame 8853 a 1 3 2 5 4 ame 8853 a 1 2 3 ame 8853 a 1 3 2 4 ame 8853 a
ame 3 ame8853a rev.c.01 high psrr, low noise, 300ma cmos regulator n pin description sc-70-5 sot-25/tsot-25a in input voltage pin; should be decoupled with 1f or greater capacitor. gnd ground connection pin. en enable pin, active ?high". when pulled ?low?, the pmos pass transistor turns off, current consuming less than 1a. when en pin floating outside, it is pulled low by internal small current source. nc no connection. out ldo voltage regulator output pin; should be decoupled with a 1f or greater value low esr ceramic capacitor. pin number 5 1 2 3 4 pin description pin name 1 in input voltage pin; should be decoupled with 1f or greater capacitor. 2 gnd ground connection pin. 3 en enable pin, active ?high". when pulled ?low?, the pmos pass transistor turns off, current consuming less than 1a. when en pin floating outside, it is pulled low by internal small current source. 4 nc no connection. 5 out ldo voltage regulator output pin; should be decoupled with a 1.0f or greater value low esr ceramic capacitor. pin name pin description pin number
ame 4 high psrr, low noise, 300ma cmos regulator ame8853a rev.c.01 n pin description (contd.) sc-70-4(sc-82) pin number pin name pin description 1 en enable pin, active ?high". when pulled ?low?, the pmos pass transistor turns off, current consuming less than 1a. when en pin floating outside, it is pulled low by internal small current source. 2 gnd ground connection pin. 3 out ldo voltage regulator output pin; should be decoupled with a 1.0f or greater value low esr ceramic capacitor. 4 in input voltage pin; should be decoupled with 1f or greater capacitor. pin number pin name pin description 1 gnd ground connection pin. 2 out ldo voltage regulator output pin; should be decoupled with a 1f or greater value low esr ceramic capacitor. 3 in input voltage pin; should be decoupled with 1f or greater capacitor. sot-23
ame 5 ame8853a rev.c.01 high psrr, low noise, 300ma cmos regulator n ordering information number of pins package type pin configuration special feature ame8853a - x x x xxx x output voltage a 1. in e: sot-2x t: 3 080: 0.8v n/a: sot-2x (sc-70-5) 2. gnd i: sc-70 (sc-82) u: 4 090: 0.9v k: 0.9mm max height 3. en v: 5 100: 1.0v (for tsot-2xa only) 4. nc 110: 1.1v 5. out 120: 1.2v 130: 1.3v a 1. in 140: 1.4v (sot-25) 2. gnd 150: 1.5v (tsot-25a) 3. en 180: 1.8v 4. nc 250: 2.5v 5. out 280: 2.8v : : a 1. en : : 2. gnd 420: 4.2v 3. out 430: 4.3v 4. in a 1. gnd (sot-23) 2. out 3. in special feature pin configuration package type number of pins output voltage (sc-70-4/ sc-82)
ame 6 high psrr, low noise, 300ma cmos regulator ame8853a rev.c.01 n absolute maximum ratings n recommended operating conditions parameter symbol rating unit ambient temperature range t a - 40 to +85 o c junction temperaturen range t j - 40 to +125 o c storage temperaturen range t stg - 65 to +150 o c parameter symbol maximum unit input voltage v in -0.3 to 6 v en voltage v en -0.3 to 6 v output current i out p d /(v in -v out ) ma output voltage v out gnd-0.3 to v in +0.3 v hbm 2 kv mm 200 v esd classification
ame 7 ame8853a rev.c.01 high psrr, low noise, 300ma cmos regulator n thermal information * measure q jc on backside center of molding compound if ic has no tab. ** mil-std-202g 210f parameter package die attach symbol maximum unit sc-70-5 sc-70-4(sc-82) sot-25 81 tsot-25a 81 sot-23 non-conductive epoxy 140 sc-70-5 sc-70-4(sc-82) sot-25 260 tsot-25a 230 sot-23 non-conductive epoxy 280 sc-70-5 sc-70-4(sc-82) sot-25 400 tsot-25a 455 sot-23 non-conductive epoxy 400 260 o c lead temperature (soldering, 10sec.)** conductive epoxy conductive epoxy conductive epoxy thermal resistance* (junction to case) thermal resistance (junction to ambient) internal power dissipation q j c o c / w q ja p d 224 331 300 mw o c / w
ame 8 high psrr, low noise, 300ma cmos regulator ame8853a rev.c.01 n electrical specifications v in =v out(nom) +1v, (for v out <2v, v in =2.5v), i out =1ma, and c out =1 m f, c in =1 m f unless otherwise noted. typical values are at t a =25 o c. parameter symbol min typ max units input voltage v in 2.5 5.5 v output voltage range v out 0.8 4.3 v note2 500 400 220 300 output current i out 300 ma quiescent current i q 60 90 m a 0.125 0.25 0.1 0.2 0.05 0.1 0.05 0.1 1.5 3.0 1.25 2.5 1.0 2 load regulation reg load 1ma ?? i out ?? 300ma 0.8v ?? v out(nom) ?? 1.2v %/a 1ma ?? i out ?? 300ma 1.2v ?? v out(nom) ?? 2.0v 1ma ?? i out ?? 300ma 2.0v ame 9 ame8853a rev.c.01 high psrr, low noise, 300ma cmos regulator n electrical specifications (contd.) note1: dropout voltage is measured at v out =v out(nom) x98% note2:for v out below 2.0v, dropout voltage is the input (min) to output differential. parameter symbol min typ max units f=100hz 60 f=1khz 60 f=10khz 60 output voltage noise en 100 m v rms enable high (enabled) v en,hi 1.4 v in enable low(shutdown) v en,lo 0 0.4 i en,hi 8 i en,lo 1 shutdown current i shdn 0.1 1 m a shutdown output voltage v out,sd 0.4 v output current limit i lim 400 ma thermal shutdown temperature t shdn 150 thermal shutdown hysteresis t shdn(hys) 20 v in =5.0v, v en =0v i out =0.4ma, v en =0 shutdown, temperature increasing o c protection v out =0.9 x v out(nom) power supply rejection ration psrr c out =1uf, v out =0.8v i out =10ma v in =2.8v db test condition i out =10ma, v out =0.8v, f=1hz to 100khz v in(min) ?? v in ?? 5.5v enable input bias current m a v v in(min) ?? v in ?? 5.5v v en = v in v en = 0v
ame 10 high psrr, low noise, 300ma cmos regulator ame8853a rev.c.01 the ame8853a family of cmos regulators contain a pmos pass transistor, voltage reference, error amplifier, over-current protection thermal shutdown, and power good detection circuitry. 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 more 20 o c. capacitor selection and regulator stability the ame8853a is stable with an output capacitor to ground of 1 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 v in . the input capacitor should be at least 0.1 m f to have a beneficial effect. enable pin the enable pin is pull-low. when activated pulled low, the mos pass transistor shuts off, and all internal cir- cuits are powered down. in this state, the stand by cur- rent is less than 1 m a. n detailed description capacitor selection and regulator stability the maximum output power of the ame8853a is lim- ited by the maximum power dissipation of the package. by calculation the power dissipation of the package as a function of the input voltage, output voltage and output current, the maximum input voltage can be obtained. the maximum power dissipation should not exceed the package ? s maximum power rating. p max = (v in(max) -v out ) x i out where: v in(max) = maximum input voltage p max = maximum power dissipation of the package
ame 11 ame8853a rev.c.01 high psrr, low noise, 300ma cmos regulator n characterization curve 0 . 950 0 . 960 0 . 970 0 . 980 0 . 990 1 . 000 1 . 010 1 . 020 1 . 030 1 . 040 1 . 050 - 40 - 25 - 10 + 5 + 20 + 35 + 50 + 65 + 80 + 95 + 110 + 125 o u t p u t v o l t a g e ( v ) temperature ( o c ) v in = 2 . 8 v v out = 1 . 0 v i out = 1 ma 4 . 15 4 . 20 4 . 25 4 . 30 4 . 35 4 . 40 4 . 45 - 40 - 25 - 10 + 5 + 20 + 35 + 50 + 65 + 80 + 95 + 110 + 125 temperature ( o c ) o u t p u t v o l t a g e ( v ) v in = 5 . 3 v v out = 4 . 3 v i out = 1 ma output voltage output voltage 100 0 10 20 30 40 50 60 70 80 90 - 40 - 25 - 10 + 5 + 20 + 35 + 50 + 65 + 80 + 95 + 110 + 125 v out = 1 . 0 v i q ( m a ) temperature ( o c ) quiescent current 0 10 20 30 40 50 60 70 80 90 100 - 40 - 25 - 10 + 5 + 20 + 35 + 50 + 65 + 80 + 95 + 110 + 125 temperature ( o c ) i q ( m a ) v out = 4 . 3 v quiescent current 300 400 500 600 700 800 900 1000 2 . 8 3 . 8 4 . 8 5 . 5 v out = 1 . 0 v c u r r e n t l i m i t ( m a ) input voltage current limit vs. input voltage 300 400 500 600 700 800 900 1000 5 . 3 5 . 4 5 . 5 v out = 4 . 3 v input voltage c u r r e n t l i m i t ( m a ) current limit vs. input voltage
ame 12 high psrr, low noise, 300ma cmos regulator ame8853a rev.c.01 n characterization curve (contd.) dropout voltage stability vs. esr vs. load current psrr vs. frequency psrr vs. frequency psrr vs. frequency psrr vs. frequency 0 100 200 300 400 500 600 700 - 40 - 25 - 10 + 5 + 20 + 35 + 50 + 65 + 80 + 95 + 110 + 125 v out = 4 . 3 v d r o p o u t v o l t a g e ( m v ) temperature ( o c ) 1 k 10 k 100 k p s r r ( d b ) frequency ( hz ) 0 10 20 30 40 50 60 70 80 90 100 100 1 m v out = 1 v i out = 10 ma 1 k 10 k 100 k p s r r ( d b ) frequency ( hz ) 0 10 20 30 40 50 60 70 80 90 100 100 1 m v out = 1 v i out = 150 ma 1 k 10 k 100 k p s r r ( d b ) frequency ( hz ) 0 10 20 30 40 50 60 70 80 90 100 100 1 m v out = 4 . 3 v i out = 10 ma 1 k 10 k 100 k p s r r ( d b ) frequency ( hz ) 0 10 20 30 40 50 60 70 80 90 100 100 1 m v out = 4 . 3 v i out = 150 ma 0 . 00 10 . 00 1 . 00 r e g i o n o f s t a b l e c o u t e s r ( [ ) 0 . 10 0 . 01 0 . 005 50 100 150 200 250 300 load current ( ma ) 0 v in = 5 v c in = c out = 1 m f / x 7 r unstable range stable range unstable range
ame 13 ame8853a rev.c.01 high psrr, low noise, 300ma cmos regulator n characterization curve (contd.) line transient response line transient response line transient response line transient response line transient response line transient response t a = - 40 o c v out = 1 v i out = 10 ma 20 m s / div v o u t ( 2 0 m v / d i v ) v i n ( 1 v / d i v ) 5 . 5 v 2 . 8 v 20 m v 0 - 20 m v v o u t ( 2 0 m v / d i v ) v i n ( 1 v / d i v ) 20 m s / div 5 . 5 v 4 . 8 v 20 m v 0 - 20 m v t a = - 40 o c v out = 4 . 3 v i out = 10 ma v o u t ( 2 0 m v / d i v ) v i n ( 1 v / d i v ) 20 m s / div 5 . 5 v 4 . 8 v 20 m v 0 - 20 m v t a = - 40 o c v out = 4 . 3 v i out = 300 ma v o u t ( 2 0 m v / d i v ) v i n ( 1 v / d i v ) 5 . 5 v 2 . 8 v 20 m v 0 - 20 m v t a = 25 o c v out = 1 v i out = 10 ma 20 m s / div 20 m s / div v o u t ( 2 0 m v / d i v ) v i n ( 1 v / d i v ) 5 . 5 v 4 . 8 v 20 m v 0 - 20 m v t a = 25 o c v out = 4 . 3 v i out = 10 ma t a = - 40 o c v out = 1 v i out = 300 ma 20 m s / div 5 . 5 v 2 . 8 v 20 m v 0 - 20 m v v o u t ( 2 0 m v / d i v ) v i n ( 1 v / d i v )
ame 14 high psrr, low noise, 300ma cmos regulator ame8853a rev.c.01 n characterization curve (contd.) line transient response line transient response line transient response line transient response line transient response line transient response 20 m s / div v o u t ( 2 0 m v / d i v ) 5 . 5 v 4 . 8 v 20 m v 0 t a = 25 o c v out = 4 . 3 v i out = 300 ma - 20 m v v i n ( 1 v / d i v ) v o u t ( 2 0 m v / d i v ) 20 m s / div 5 . 5 v 2 . 8 v 20 m v 0 t a = 125 o c v out = 1 v i out = 10 ma - 20 m v v i n ( 1 v / d i v ) 20 m s / div 5 . 5 v 4 . 8 v 20 m v 0 v o u t ( 2 0 m v / d i v ) t a = 125 o c v out = 4 . 3 v i out = 10 ma - 20 m v v i n ( 1 v / d i v ) 5 . 5 v 2 . 8 v 20 m v 0 v o u t ( 2 0 m v / d i v ) 20 m s / div t a = 125 o c v out = 1 v i out = 300 ma - 20 m v v i n ( 1 v / d i v ) 20 m s / div 5 . 5 v 4 . 8 v 20 m v 0 - 20 m v v o u t ( 2 0 m v / d i v ) t a = 125 o c v out = 4 . 3 v i out = 300 ma v i n ( 1 v / d i v ) v o u t ( 2 0 m v / d i v ) 20 m s / div 5 . 5 v 20 m v 0 - 20 m v t a = 25 o c v out = 1 v i out = 300 ma v i n ( 1 v / d i v ) 2 . 8 v
ame 16 high psrr, low noise, 300ma cmos regulator ame8853a rev.c.01 n characterization curve (contd.) chip enable transient response chip enable transient response chip enable transient response chip enable transient response 1) en= 1v/div 2) v out = 500mv/div 3) i out = 20ma/div 1) en= 1v/div 2) v out = 500mv/div 3) i out = 20ma/div 1) en= 2v/div 2) v out = 2v/div 3) i out = 20ma/div 1) en= 2v/div 2) v out = 2v/div 3) i out = 20ma/div v out = 1 v i out = 10 ma 50 m s / div 1 2 3 50 m s / div v out = 1 v i out = 10 ma 1 2 3 1 2 3 100 m s / div v out = 4 . 3 v i out = 10 ma 1 2 3 v out = 4 . 3 v i out = 10 ma 50 m s / div
ame 15 ame8853a rev.c.01 high psrr, low noise, 300ma cmos regulator load transient response load transient response load transient response load transient response load transient response load transient response 20 mv 0 - 20 m v 10 ma i o u t ( 1 0 0 m a / d i v ) v o u t ( 2 0 m v / d i v ) time ( 20 m sec / div ) 300 ma t a = - 40 o c v out = 1 v i out = 10 ~ 300 ma time ( 20 m sec / div ) 20 mv 0 - 20 m v 10 ma i o u t ( 1 0 0 m a / d i v ) v o u t ( 2 0 m v / d i v ) t a = - 40 o c v out = 4 . 3 v i out = 10 ~ 300 ma 300 ma i o u t ( 1 0 0 m a / d i v ) v o u t ( 2 0 m v / d i v ) 20 mv 0 - 20 m v 300 ma 10 ma time ( 20 m sec / div ) t a = 25 o c v out = 1 v i out = 10 ~ 300 ma time ( 20 m sec / div ) 20 mv 0 - 20 m v 10 ma i o u t ( 1 0 0 m a / d i v ) v o u t ( 2 0 m v / d i v ) t a = 25 o c v out = 4 . 3 v i out = 10 ~ 300 ma 300 ma time ( 20 m sec / div ) 20 mv 0 - 20 m v 10 ma i o u t ( 1 0 0 m a / d i v ) v o u t ( 2 0 m v / d i v ) t a = 125 o c v out = 1 v i out = 10 ~ 300 ma 300 ma t a = 125 o c v out = 4 . 3 v i out = 10 ~ 300 ma 20 mv 0 - 20 m v 10 ma i o u t ( 1 0 0 m a / d i v ) v o u t ( 2 0 m v / d i v ) time ( 20 m sec / div ) 300 ma n characterization curve (contd.)
ame 17 ame8853a rev.c.01 high psrr, low noise, 300ma cmos regulator n characterization curve (contd.) chip enable transient response chip enable transient response 1) en= 1v/div 2) v out = 500mv/div 3) i out = 100ma/div 1) en= 1v/div 2) v out = 500mv/div 3) i out = 100ma/div 1) en= 2v/div 2) v out = 2v/div 3) i out = 100ma/div 1) en= 2v/div 2) v out = 2v/div 3) i out = 100ma/div chip enable transient response chip enable transient response 50 m s / div 1 2 3 v out = 1 v i out = 300 ma 50 m s / div v out = 4 . 3 v i out = 300 ma 1 2 3 1 2 3 20 m s / div v out = 4 . 3 v i out = 300 ma 10 m s / div v out = 1 v i out = 300 ma 1 2 3
ame 18 high psrr, low noise, 300ma cmos regulator ame8853a rev.c.01 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 sot-25 w p ame ame pin 1 carrier tape, number of components per reel and reel size sc-70-5 w p ame ame pin 1 carrier tape, number of components per reel and reel size package carrier width (w) pitch (p) part per full reel reel size sc-70-5 8.00.1 mm 4.00.1 mm 3000pcs 1801 mm
ame 19 ame8853a rev.c.01 high psrr, low noise, 300ma cmos regulator n tape and reel dimension (contd.) tsot-25a w p ame ame pin 1 carrier tape, number of components per reel and reel size package carrier width (w) pitch (p) part per full reel reel size tsot-25a 8.00.1 mm 4.00.1 mm 3000pcs 1801 mm package carrier width (w) pitch (p) part per full reel reel size sot-23 8.00.1 mm 4.00.1 mm 3000pcs 1801 mm carrier tape, number of components per reel and reel size sot-23 pin 1 w p ame ame
ame 20 high psrr, low noise, 300ma cmos regulator ame8853a rev.c.01 n tape and reel dimension (contd.) sc-70-4 (sc-82) w p ame ame pin 1 carrier tape, number of components per reel and reel size package carrier width (w) pitch (p) part per full reel reel size sc-70-4 8.00.1 mm 4.00.1 mm 3000pcs 1801 mm
ame 21 ame8853a rev.c.01 high psrr, low noise, 300ma cmos regulator n package dimension (contd.) sc-70-5 side view see detail a a a top view d e 1 e 1 / 2 e 1 e b b b a c 0 . 15 ( 0 . 006 ) c . 10 ( 0 . 004 ) m e / 2 e 0 . 15 ( 0 . 006 ) c d front view c . 10 ( 0 . 004 ) c a 2 a 1 a seating plane detail a gage plane l c c 1 h . 15 (. 0059 ) section a - a base metal b 1 ( b ) c 1 c min max min max a 0.80 1.10 0.0315 0.0433 a1 0.00 0.10 0.0000 0.0039 a2 0.80 1.00 0.0315 0.0394 b 0.15 0.35 0.0059 0.0138 b1 0.15 0.25 0.0059 0.0098 c 0.08 0.25 0.0031 0.0098 c1 0.08 0.20 0.0031 0.0079 d 1.85 2.20 0.0728 0.0866 e 1.80 2.45 0.0709 0.0965 e1 1.10 1.40 0.0433 0.0551 e e1 1.20 1.40 0.0472 0.0551 l 0.26 0.46 0.0102 0.0181 q 1 0 o 8 o 0 o 8 o q 4 o 10 o 4 o 10 o symbols millimeters inches 0.65 bsc 0.0255 bsc
ame 22 high psrr, low noise, 300ma cmos regulator ame8853a rev.c.01 n package dimension (contd.) sot-25 tsot-25a top view rear view e 1 d e e 1 b side view a 1 a 2 a l e c 0 . 25 pin 1 q top view side view d s 1 e e h front view a 1 b a l c 1 pin 1 min max min max a 0.90 1.30 0.0354 0.0512 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 0.1024 0.1181 l q 1 0 o 10 o 0 o 10 o s 1 0.95 bsc 0.0374 bsc symbols millimeters inches 1.90 bsc 0.0748 bsc 0.37 bsc 0.0146 bsc min max min max a 0.700 0.900 0.028 0.035 a1 0.000 0.100 0.000 0.004 a2 0.700 0.800 0.028 0.031 b 0.350 0.500 0.014 0.020 c 0.080 0.200 0.003 0.008 d 2.820 3.020 0.111 0.119 e 1.600 1.700 0.063 0.067 e1 2.650 2.950 0.104 0.116 e e1 l 0.300 0.600 0.012 0.024 q 0 o 8 o 0 o 8 o 1.90 bsc 0.075 bsc symbols millimeters inches 0.95 bsc 0.037 bsc
ame 23 ame8853a rev.c.01 high psrr, low noise, 300ma cmos regulator sot-23 top view end view front view e e 1 b 1 b a e d a 1 a 2 c 1 c c 1 c 1 l l 2 c gage plane pin 1 sc-70-4 (sc-82) b d h e e a a 1 top view side view front view c 1 l pin 1 n package dimension (contd.) min max min max a 0.90 1.40 0.0354 0.0551 a 1 0.00 0.15 0.0000 0.0059 b 0.30 0.50 0.0118 0.0197 d 2.70 3.10 0.1063 0.1220 e 1.40 1.80 0.0551 0.0709 e h 2.40 3.00 0.0945 0.1181 l q 1 0 o 10 o 0 o 10 o 0.35bsc 0.0138 bsc symbols millimeters inches 1.90 bsc 0.0748 bsc min max min max a 0.900 1.100 0.035 0.043 a1 0.000 0.100 0.000 0.004 a2 0.900 1.000 0.035 0.039 b 0.250 0.400 0.010 0.016 b1 0.350 0.500 0.014 0.020 c 0.080 0.150 0.003 0.006 d d 2.000 2.200 0.079 0.087 e 1.150 1.350 0.045 0.053 e1 2.150 2.450 0.085 0.096 e e1 1.200 1.400 0.047 0.055 l l1 0.260 0.460 0.010 0.018 c 0 o 8 o 0 o 8 o symbols millimeters inches 0.050 typ 0.002 typ 0.525 ref 0.021 ref 0.650 typ 0.026typ
ame 24 high psrr, low noise, 300ma cmos regulator ame8853a rev.c.01 n lead pattern note: 1. lead pattern unit description: bsc: basic. represents theoretical exact dimension or dimension target. 2. dimensions in millimeters. 3. general tolerance + 0.05mm unless otherwise specified. sc-70-5 1 . 3 bsc 1 . 9 4 b s c 0 . 8 b s c 0 . 35 bsc
ame 25 ame8853a rev.c.01 high psrr, low noise, 300ma cmos regulator n lead pattern (contd.) note: 1. lead pattern unit description: bsc: basic. represents theoretical exact dimension or dimension target. 2. dimensions in millimeters. 3. general tolerance + 0.05mm unless otherwise specified. sot-25 0 . 70 bsc 1 . 0 0 b s c 0 . 95 bsc 0 . 95 bsc 1 . 90 bsc 2 . 4 0 b s c
ame 26 high psrr, low noise, 300ma cmos regulator ame8853a rev.c.01 n lead pattern (contd.) note: 1. lead pattern unit description: bsc: basic. represents theoretical exact dimension or dimension target. 2. dimensions in millimeters. 3. general tolerance + 0.05mm unless otherwise specified. tsot-25a 0 . 70 bsc 1 . 0 0 b s c 0 . 95 bsc 0 . 95 bsc 1 . 90 bsc 2 . 4 0 b s c
ame 27 ame8853a rev.c.01 high psrr, low noise, 300ma cmos regulator n lead pattern (contd.) note: 1. lead pattern unit description: bsc: basic. represents theoretical exact dimension or dimension target. 2. dimensions in millimeters. 3. general tolerance + 0.05mm unless otherwise specified. sc-70-4/sc-82 1 . 3 bsc 1 . 9 4 b s c 0 . 45 bsc 0 . 35 bsc 0 . 8 b s c 0 . 05 ref
ame 28 high psrr, low noise, 300ma cmos regulator ame8853a rev.c.01 n lead pattern (contd.) note: 1. lead pattern unit description: bsc: basic. represents theoretical exact dimension or dimension target. 2. dimensions in millimeters. 3. general tolerance + 0.05mm unless otherwise specified. sot-23 0 . 80 bsc 1 . 0 0 b s c 2 . 4 0 b s c 1 . 90 bsc
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. , march 2012 document: tm001-ds8853a-c.01 corporate headquarter ame, inc. 8f, 12, wenhu st., nei hu taipei, taiwan. 114 tel: 886 2 2627-8687 fax: 886 2 2659-2989 www.ame.com.tw e-mail: sales@ame.com.tw

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