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analog microelectronics, inc. 1 ame8803/8814 300ma cmos ldo n n n n n typical application n n n n n functional block diagram n n n n n features 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 noise reduction bypass capacitor l power good detector l power-saving shutdown mode l space-saving sot-26 (sot-23-6) l factory pre-set output voltages l low temperature coefficient n n n n n general description the ame8803 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-23-6 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. in appli- cations requiring a low noise, regulated supply, place a 1000pf capacitor between bypass and ground. the ame8803 is stable with an output capacitance of 2.2 m f or greater. n n n n n applications l instrumentation l portable electronics l wireless devices l cordless phones l pc peripherals l battery powered widgets l electronic scales amp gnd out in r1 r2 pg overcurrent shutdown thermal shutdown en v ref =1.215v v ref x90% v ref x110% byp ame8803 out in c3 2.2 m f c1 1 m f gnd out 5v pg byp in c2 1nf en
analog microelectronics, inc. 2 300ma cmos ldo ame8803/8814 n n n n n pin configuration n n n n n ordering information ame8803 sot-26 top view 1. v in 4. pg 2. gnd 5. byp 3. en 6. v out 5 64 12 3 5 64 12 3 1. en 4. v out 2. gnd 5. gnd 3. byp 6. v in ame8814 sot-26 w top view part number marking output package operating temp. ame8803aeey aapww 3.3v sot-26 -40 o c to +85 o c ame8803beey aaqww 3.0v sot-26 -40 o c to +85 o c ame8803ceey aarww 2.8v sot-26 -40 o c to +85 o c ame8803deey aasww 2.5v sot-26 -40 o c to +85 o c ame8803eeey aatww 3.8v sot-26 -40 o c to +85 o c ame8803feey abqww 3.6v sot-26 -40 o c to +85 o c ame8803geey achww 3.5v sot-26 -40 o c to +85 o c ame8803heey agkww 2.7v sot-26 -40 o c to +85 o c ame8803ieey aeqww 3.4v sot-26 -40 o c to +85 o c ame8803jeey agsww 2.85v sot-26 -40 o c to +85 o c ame8803keey ahuww 3.7v sot-26 -40 o c to +85 o c ame8803leey ajkww 1.5v sot-26 -40 o c to +85 o c ame8803meey ajlww 1.8v sot-26 -40 o c to +85 o c ame8803neey alaww 2.9v sot-26 -40 o c to +85 o c AME8803OEEY albww 3.1v sot-26 -40 o c to +85 o c analog microelectronics, inc. 3 ame8803/8814 300ma cmos ldo part number marking output package operating temp. ame8814aeey aieww 3.3v sot-26 -40 o c to +85 o c ame8814beey aifww 3.0v sot-26 -40 o c to +85 o c ame8814ceey aigww 2.8v sot-26 -40 o c to +85 o c ame8814deey aihww 2.5v sot-26 -40 o c to +85 o c ame8814eeey aiiww 3.8v sot-26 -40 o c to +85 o c ame8814feey aijww 3.6v sot-26 -40 o c to +85 o c ame8814geey aikww 3.5v sot-26 -40 o c to +85 o c ame8814heey ailww 2.7v sot-26 -40 o c to +85 o c ame8814ieey aimww 3.4v sot-26 -40 o c to +85 o c ame8814jeey ainww 2.85v sot-26 -40 o c to +85 o c ame8814keey aioww 3.7v sot-26 -40 o c to +85 o c ame8814leey a jdww 1.5v sot-26 -40 o c to +85 o c ame8814meey ajeww 1.8v sot-26 -40 o c to +85 o c ame8814neey akyww 2.9v sot-26 -40 o c to +85 o c ame8814oeey akzww 3.1v sot-26 -40 o c to +85 o c n n n n n ordering information please consult ame sales office or authorized rep./distributor for other output voltage and package type availability. analog microelectronics, inc. 4 300ma cmos ldo ame8803/8814 n n n n absolute maximum ratings: 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 n n n n recommended operating conditions: parameter rating unit ambient temperature range -40 to +85 o c junction temperature -40 to +125 o c n n n n thermal information parameter package maximum unit thermal resistance ( q ja ) sot-26 260 thermal resistance ( q ja ) sot-26w 260 internal power dissipation (p d ) ( d t = 100 o c) sot-26 380 internal power dissipation (p d ) ( d t = 100 o c) sot-26w 380 maximum junction temperature 150 maximum lead temperature ( 10 sec) 300 caution: stress above the listed absolute rating may cause permanent damage to the device o c / w mw o c analog microelectronics, inc. 5 ame8803/8814 300ma cmos ldo n n n n n electrical specifications 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 analog microelectronics, inc. 7 ame8803/8814 300ma cmos ldo 0 50 100 150 200 250 300 2.5 2.75 3 3.25 3.5 3.75 4 drop out voltage vs output voltage output voltage (v) drop out voltage (mv) i load =300ma i load =200ma i load =100ma 0 50 100 150 200 250 0 50 100 150 200 250 300 drop out voltage vs load current load current (ma) dropout voltage (mv) top to bottom v out =2.5v v out =2.8v v out =3.0v v out =3.3v v out =3.5v v out =3.8v chip enable transient response output (1v/div) enable (2v/div) time ( 1ms/div) c l =2 m f r l =10 w c byp =1000pf 0 0 0 0 chip enable transient response time ( 1ms/div) c l =2 m f r l =10 w output (1v/div) enable (2v/div) 0 5 10 15 20 25 30 35 40 45 012345678 ground current vs. input voltage ground current ( m m m m a) input voltage (v) 85 o c 25 o c load step ( 1ma-300ma) i l (200ma/div) vo(5mv/div) time( 20ms/div) c l =2.2 m f c in =2.2 m f output i load 0 analog microelectronics, inc. 8 300ma cmos ldo ame8803/8814 -80 -70 -60 -50 -40 -30 -20 -10 1.0e+01 1.0e+02 1.0e+03 1.0e+04 1.0e+05 psrr ( db) power supply rejection ratio frequency (hz) c l = 5.6 m f ceramic i l = 100 ma c byp = 0 c byp = 100 pf c byp = 1 nf c byp = 10 nf overtemperature shutdown v out (1v/div) i out (200ma/div) time (0.5sec/div) r load =6.6 w 0 0 -80 -70 -60 -50 -40 -30 -20 1.0e+01 1.0e+03 1.0e+05 1.0e+07 power supply rejection ratio psrr (db) frequency (hz) c l =2.2 m f tantalum c byp =1000pf 100ma 100 m a 1ma 10ma 100ma 100 m a -80 -70 -60 -50 -40 -30 -20 -10 0 1.0e+01 1.0e+03 1.0e+05 1.0e+07 power supply rejection ratio psrr (db) frequency (hz) 100ma 10ma 1ma 100 m a 100ma 100 m a c l =2.2 m f tantalum c byp =0 short circuit response time (2ms/div) v out (1v/div) i load (400ma/div) r load =100 w r short =0.1 w 0 0 -80 -70 -60 -50 -40 -30 -20 -10 1.0e+01 1.0e+02 1.0e+03 1.0e+04 1.0e+05 1.0e+06 psrr ( db) power supply rejection ratio frequency (hz) c l = 10 m f tantalum i l = 100 ma c byp = 0 c byp = 100 pf c byp = 1 nf c byp = 10 nf analog microelectronics, inc. 9 ame8803/8814 300ma cmos ldo transient line response time (2ms/div) v o (1mv/div) v in (1v/div) c l = 2.2 m f v in dc = 5.0v noise measurement time (20ms/div) vo (1mv/ div) c l = 2.2 m f no filter current limit response v out (1v/div) i out (200ma/div) time (2ms/div) r load =3.3 w 0 0 10 100 300 0.1 1.0 8.0 sot-23-5 safe operating area output current (ma) input-output voltage differential (v) analog microelectronics, inc. 10 300ma cmos ldo ame8803/8814 0.01 0.1 1 10 100 1000 10000 0 50 100 150 200 esr ( w w w w ) stable region untested region unstable region iload (ma) c l =1 m f stability vs. esr vs i load 0.01 0.1 1 10 100 1000 10000 0 50 100 150 200 stable region untested region unstable region iload (ma) esr ( w w w w ) c l =3 m f stability vs. esr vs i load 0.001 0.01 0.1 1 10 100 1000 10000 0 50 100 150 200 stable region untested region unstable region iload (ma) esr ( w w w w ) c l =10 m f stability vs. esr vs i load 0.01 0.1 1 10 100 1000 10000 0 50 100 150 200 iload (ma) stable region untested region unstable region esr ( w w w w ) c l =2 m f stability vs. esr vs i load analog microelectronics, inc. 11 ame8803/8814 300ma cmos ldo 27 28 29 30 31 32 33 34 35 -45 -5 25 55 85 temperature ( 0 c) quiescent current @ 5v (ua) quiescent current 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 ( 0 c) load regulation (%) load regulation vs. temp. 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 -45-5 255585 temperature ( 0 c) shut down current (ua) shut down current vs. temp. -0.50 -0.45 -0.40 -0.35 -0.30 -0.25 -0.20 -45-5 2555 85 temperature ( 0 c) en pin lo bias current (ua) en pin lo bias current vs. temp. 150 160 170 180 190 200 210 220 -45 -5 25 55 85 temperature ( 0 c) dropout voltage @ 300ma (mv) dropout voltage vs. temp. 0.15 0.20 0.25 0.30 0.35 0.40 0.45 -45-5 2555 85 temperature ( 0 c) pg vol @ 0.4ma (v) pg vol vs. temp. analog microelectronics, inc. 12 300ma cmos ldo ame8803/8814 n n n n n package dimension sot-26 sot-26 (wide) min max min max a 1.00 1.40 0.0394 0.0551 a 1 0.00 0.15 0.0000 0.0591 a2 0.70 1.25 0.0276 0.0492 b 0.35 0.50 0.0138 0.0197 c 0.08 0.25 0.0031 0.0098 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 0.35 - 0.0138 - q q q q 1 0 9 0 9 s 1 0.85 1.05 0.0335 0.0413 1.90 bsc 0.0748 bsc symbols m illim eters inches min max min max a 1.00 1.30 0.0937 0.0512 a 1 0.00 0.10 0.000 0.0039 a2 1.00 1.40 0.0937 0.0551 b 0.35 0.50 0.0138 0.0197 c 0.10 0.25 0.0039 0.0098 d 2.70 3.10 0.1063 0.1220 e 1.60 2.00 0.0630 0.0787 e---- h 2.60 3.00 0.1024 0.1181 l 0.37 - 0.0146 - q q q q 11 9 1 9 s 1 0.85 1.05 0.0335 0.0413 symbols millimeters inches life support policy: these products of analog microelectronics, inc. are not authorized for use as critical components in life- support devices or systems, without the express written approval of the president of analog microelectronics, inc. analog microelectronics, 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. ? analog microelectronics, inc., august 2001 document: 2006-ds8803/8814-e corporate headquarters asia pacific headquarters analog microelectronics, inc. ame, inc. 3100 de la cruz blvd. suite 201 2f, 187 kang-chien road, nei-hu district santa clara, ca. 95054-2046 taipei 114, taiwan, r.o.c. tel : (408) 988-2388 tel : 886 2 2627-8687 fax: (408) 988-2489 fax : 886 2 2659-2989 www.analogmicro.com e-mail: info@analogmicro.com |
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