SA1117B hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.08.12 http://www.silan.com.cn ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?1?of??8 800 m a?ldo?voltage?regulator sot - 223 -3l to - 252 -2l description the? SA1117B?is? a? positive? low?voltage? dropout? regulator;? voltage dropout?is?only?1.2v?at?800ma. SA1117B? provides? two? versions:? fixed? and? adjustable? versions. v out ? has? a? tolerance? of? less? than? 1.5%? for? fixed? versions? 1.5v, 1.8v,? 2.5v,? 3.3v,? 5.0v? and? adjustable? version? or? 2%? output accuracy?for?fixed?version?1.2v. the?SA1117B?offers?some?key?features?include?thermal?shutdown and?current?limiting.?it?is?suitable?for?all?electronic?products. features *?1.5%?output?accuracy??for?fixed?versions?1.5v,?1.8v,?2.5v, 3.3v,?5.0v?and?adjustable?version *??2%?output?accuracy??for?fixed?version?1.2v *??low?dropout?voltage:?1.2v?at?800ma?output?current *?current?limiting *?thermal?shutdown *?temperature?range:?-40 c?to??125 c applications *?laptop,?palmtop,?and?notebook computers *?battery??charger *?scsi-ii?active?terminator *?cellular?phone *?cordless?telephones *?battery?powered?systems *?portable?instrumentation *?smps?post-regulator ordering?information (temperature?range:?-40 c?~125 c)
SA1117B hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.08.12 http://www.silan.com.cn ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?2?of??8 part?no. package marking material packing?type SA1117Bh-adjtr SA1117Bh-adj pb?free tape?&?reel SA1117Bh-1.2tr SA1117Bh-1.2 pb?free tape?&?reel SA1117Bh-1.5tr SA1117Bh-1.5 pb?free tape?&?reel SA1117Bh-1.8tr SA1117Bh-1.8 pb?free tape?&?reel SA1117Bh-2.5tr SA1117Bh-2.5 pb?free tape?&?reel SA1117Bh-3.3tr SA1117Bh-3.3 pb?free tape?&?reel SA1117Bh-5.0tr sot-223-3l SA1117Bh-5.0 pb?free tape?&?reel SA1117Bd-adj SA1117Bd-adj pb?free tube SA1117Bd-adjtr SA1117Bd-adj pb?free tape?&?reel SA1117Bd-1.2 SA1117Bd-1.2 pb?free tube SA1117Bd-1.2?tr SA1117Bd-1.2 pb?free tape?&?reel SA1117Bd-1.5 SA1117Bd-1.5 pb?free tube SA1117Bd-1.5tr SA1117Bd-1.5 pb?free tape?&?reel SA1117Bd-1.8 SA1117Bd-1.8 pb?free tube SA1117Bd-1.8tr SA1117Bd-1.8 pb?free tape?&?reel SA1117Bd-2.5 SA1117Bd-2.5 pb?free tube SA1117Bd-2.5tr SA1117Bd-2.5 pb?free tape?&?reel SA1117Bd-3.3 SA1117Bd-3.3 pb?free tube SA1117Bd-3.3tr SA1117Bd-3.3 pb?free tape?&?reel SA1117Bd-5.0 SA1117Bd-5.0 pb?free tube SA1117Bd-5.0tr to-252-2l SA1117Bd-5.0 pb?free tape?&?reel block?diagram
SA1117B hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.08.12 http://www.silan.com.cn ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?3?of??8 abosolute?maximum?ratings characteristics symbol ratings unit input?supply?voltage v in 20 v lead?temperature?(soldering,?5?seconds) t lead 260 c operating?junction?temperature?range t j 150 c storage?temperature?range t stg -65?~?+150 v power?dissipation p d internally?limited?(note1) mw esd?tolerance?(minimum) esd 2000 v note1:? the?maximum? allowable? power? dissipation?is? a?function? of? maximum?operating?junction?temperature,?t j (max) ,? the? junction? to? ambient? thermal? resistance,? ja ,? and? the? ambient? temperature? t amb .? the? maximum allowable?power?dissipation?at?any?ambient?temperature?is?given:?p d?(max) ?=?(t j?(max) ?-?t amb )/ ja, ?exceeding?the maximum? allowable? power? limit? will? result? in? excessive? die? temperature;? thus,? the? regulator? will? go? into? thermal shutdown.?the?junction?to?ambient?thermal?resistance,? ja ?of??some?packages?may?be?different,??the?value?of? ja depends?on?mounting?technique. recommended?operating?conditions characteristics symbol ratings unit input?voltage v in 15 v operating?junction?temperature?range t j -40?~?+125 c electrical?characteristics (t amb =25c,?unless?otherwise?specified.?limits?appearing?in boldface type?apply?over?the?entire?junction?temperature?range?for?operation,?-40c?to?125c.?) characteristics symbol conditions min. typ. max. unit reference?voltage v ref SA1117B-adj, ?i out =10ma,?v in -v out =2v,?t j =25 c ?10ma i out 1a,?1.4v v in -v out 10v 1.231 1.225 1.250 1.250 1.268 1.275 v SA1117B-1.2, i out =10m ,?v in =3.2v?,t j =25 c 10ma i out 1a,?3.0v v in 10v 1.176 1.152 1.2 1.2 1.224 1.248 v SA1117B-1.5, i out =10m ,?v in =3.5v?,t j =25 c 10ma i out 1a,?3.0v v in 10v 1.477 1.470 1.500 1.500 1.522 1.530 v SA1117B-1.8, i out =10ma,?v in =3.8v,?t j =25 c?, 0 i out 1a,?3.2v v in 10v 1.773 1.746 1.800 1.800 1.827 1.854 v SA1117B?-2.5, i out =10ma,?v in =4.5v,t j =25 c?, 0 i out 1a,?3.9v v in 10v 2.462 2.450 2.500 2.500 2.538 2.550 v output?voltage v out SA1117B-3.3, i out =10ma,?v in =5v,t j =25 c?, 0 i out 1a,?4.75v v in 10v 3.250 3.235 3.300 3.300 3.349 3.365 v
SA1117B hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.08.12 http://www.silan.com.cn ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?4?of??8 characteristics symbol conditions min. typ. max. unit output?voltage v out SA1117B-5.0, i out =10ma,?v in =7v,?t j =25 c?, 0 ?i out 1a,?6.5v v in 12v 4.925 4.900 5.000 5.000 5.075 5.10 v output?voltage temperature?stability ts out 0.3 % line?regulation r line v inmin v in ?12v,v out =fixed/adj, i out =10ma 3 7 mv load?regulation r load 10ma i out ?800ma,v out =fixed/adj 6 12 mv dropout?voltage v drop i out =100ma i out =500ma i out =800ma 1.00 1.05 1.20 1.20 1.25 1.30 v quiescent?current i q 4.25v v in ?6.5v 5 10 ma ripple?rejection p srr f ripple =120hz,?(v in -v out )=3v, v ripple =1v pp 60 75 db adjust?pin?current i adj 60 120 m a adjust?pin?current change 0 ?i out 800ma,1.4v v in -v out 10v 0.2 5 m a thermal?shutdown tsd 150 c current?limitting i limit 0.9 1.1 1.2 a temperature?stabiliy 0.5 % long?term?stability tamb=125c,?1000hrs 0.?3 % rms?output?noise %?of?v out , 10hz f 10khz 0.003 % pin?configuration pin?description pin?no. pin?name i/o functions 1 gnd/adj --/o?? ground/adj 2 v out o output?voltage 3 v in i input?supply?voltage
SA1117B hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.08.12 http://www.silan.com.cn ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?5?of??8 function?description the? SA1117B? is? a? ldo? regulator,?it?s? pass? transistor?is?made? up? of? a? single? npn?transistor? being? driven? by? a pnp.?the?dropout?voltage?is?defined?as:?v drop ?=?v be +?v sat. the? SA1117B?series? of? fixed? and? adjustable?regulators?are?easy? to? use. output? voltages? are? 1.2v,? 1.5v,? 1.8v, 2.5v,? 3.3v,? and? 5.0v. on-chip? thermal? shut? down? provides? protection? against? any? combination? of? overload? and ambient?temperature?that?would?create?excessive?junction?temperature. the? SA1117B? requires? an? output? capacitor? for? device? stability.? its? value? of? 22 m f? tantalum? covers? all? cases? of bypassing?the? adjustment? terminal.? without? bypassing?the? adjustment? terminal? smaller? capacitors?can? be? used with? equally? good? results? which? depend? upon? the? application? circuit.? in? general,? linear? regulator? stability decreases?with?higher?output?currents. typical?application?circuit figure?1.?typical?fixed?output?voltage figure?2. typical?adjustable?output?voltage note:?the?circuit?and?parameters?are?reference?only,?please?set?the?parameters?of?the?real?application?circuit?based on?the?real?test.
SA1117B hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.08.12 http://www.silan.com.cn ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?6?of??8 typical?characteristics?curves temperature?stability adjust?pin?current 100 150 80 40 20 10 30 50 90 60 70 - 50 a d j u s t p i n c u r r e n t ( a ) temperature ( c) 0 - 25 0 25 50 100 125 75 v out =5?v?load?transient?response v out =5?v?line?transient?response l o a d c u r r e n t ( a ) o u t p u t v o l t a g e d e v i a t i o n ( v ) o u t p u t v o l t a g e d e v i a t i o n ( m v ) i n p u t v o l t a g e d e v i a t i o n ( v ) ripple?rejection?vs?current
SA1117B hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.08.12 http://www.silan.com.cn ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?7?of??8 package?outline to-252-2l unit:?mm to-252-2l unit:?mm
SA1117B hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.08.12 http://www.silan.com.cn ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?8?of??8 package?outline sot-223-3l unit:?mm disclaimer: silan?reserves?the?right?to?make?changes?to?the?information?herein? for?the?improvement?of?the?design? and?performance without?further?notice! all?semiconductor?products?malfunction?or?fail?with?some?probability?under?special?conditions.?when?using?silan?products in? system? design? or? complete? machine? manufacturing,? it? is? the? responsibility? of? the? buyer? to? comply? with? the? safety standards?strictly?and?take?essential?measures?to?avoid?situations?in?which?a?malfunction?or?failure?of?such?silan?products could?cause?loss?of?body?injury?or?damage?to?property. silan?will?supply?the?best?possible?product?for?customers!
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