________________________________________________________________________ http://www.union-ic.com rev.05 dec.2013 1 / 10 um142xx 300ma, low consumptio n, wide input voltage linear regulator um142xxs sot23-3 um142xxy sot89-3 um142xxb sot89-3 general description the um142xx series are a group of positive voltage output, high precise, high psrr and low power consumption voltage regulator. the output volta ges are selectable in 100mv steps within a range of 2.5v to 5v. it also can be customized on command. the um142xx series have excellent load and line transient response and good temperature characteristics, which can assure the st ability of chip and power system. the um142xx series are available in a low profile sot23-3& sot89-3 package, which are lead (pb)-free. applications features ? reference voltage source ? battery powered equipment ? hand-hold equipment ? wireless lan ? gps receivers ? low quiescent current: 8 a at 5v ? high psrr: 60db range to 10khz ? low output noise: 44 v rms ? low dropout: 270mv at 150ma load ? low temperature coefficient: 100ppm/ ? excellent line regulation: 0.05%/v pin configurations top view um142xxs m: month code sot23-3
________________________________________________________________________ http://www.union-ic.com rev.05 dec.2013 2 / 10 um142xx 2 vout 3 vdd gnd 1 vdd tab connect to pin2 m um142xxy m: month code sot89-3 tab connect to pin2 um142xxb m: month code sot89-3 ordering information
________________________________________________________________________ http://www.union-ic.com rev.05 dec.2013 3 / 10 um142xx marking information part number output voltage packaging type marking code shipping qty um14225s 2.5v sot23-3 55a 3000pcs/7inch tape & reel um14226s 2.6v 55b um14227s 2.7v 55c um14228s 2.8v 55d um14229s 2.9v 55e um14230s 3.0v 55f um14231s 3.1v 55h um14232s 3.2v 55l um14233s 3.3v 55m um14234s 3.4v 55j um14235s 3.5v 55k um14236s 3.6v 55n um14237s 3.7v 55p um14238s 3.8v 55q um14239s 3.9v 55r um14240s 4.0v 55s um14241s 4.1v 55t um14242s 4.2v 55y um14243s 4.3v 55u um14244s 4.4v 55z um14245s 4.5v 56a um14246s 4.6v 56b um14247s 4.7v 56c um14248s 4.8v 56d um14249s 4.9v 56e um14250s 5.0v 53f um14225y 2.5v sot89-3 4aa 1000pcs/7inch tape & reel um14226y 2.6v 4ab um14227y 2.7v 4ac um14228y 2.8v 4ad um14229y 2.9v 4ae um14230y 3.0v 4af um14231y 3.1v 4ah um14232y 3.2v 4al um14233y 3.3v 4am um14234y 3.4v 4aj um14235y 3.5v 4ak um14236y 3.6v 4an um14237y 3.7v 4ap um14238y 3.8v 4aq um14239y 3.9v 4ar um14240y 4.0v 4as um14241y 4.1v 4at um14242y 4.2v 4ay um14243y 4.3v 4au um14244y 4.4v 4az um14245y 4.5v 4ba um14246y 4.6v 4bb um14247y 4.7v 4bc um14248y 4.8v 4bd um14249y 4.9v 4be um14250y 5.0v 4bf
________________________________________________________________________ http://www.union-ic.com rev.05 dec.2013 4 / 10 um142xx marking information (continued) part number output voltage packaging type marking code shipping qty um14225b 2.5v sot89-3 4ca 1000pcs/7inch tape & reel um14226b 2.6v 4cb um14227b 2.7v 4cc um14228b 2.8v 4cd um14229b 2.9v 4ce um14230b 3.0v 4cf um14231b 3.1v 4ch um14232b 3.2v 4cl um14233b 3.3v 4cm um14234b 3.4v 4cj UM14235B 3.5v 4ck um14236b 3.6v 4cn um14237b 3.7v 4cp um14238b 3.8v 4cq um14239b 3.9v 4cr um14240b 4.0v 4cs um14241b 4.1v 4ct um14242b 4.2v 4cy um14243b 4.3v 4cu um14244b 4.4v 4cz um14245b 4.5v 4da um14246b 4.6v 4db um14247b 4.7v 4dc um14248b 4.8v 4dd um14249b 4.9v 4de um14250b 5.0v 4df
________________________________________________________________________ http://www.union-ic.com rev.05 dec.2013 5 / 10 um142xx pin description symbol function gnd ground vout voltage regulated output vdd supply voltage input absolute maximum ratings (note 1) symbol parameter value unit v in max input voltage 14 v p d power dissipation 250 mw t j operating junction temperature +125 c t a ambient temperature -40 to +85 c t stg storage temperature range -40 to +150 c t l lead temperature for soldering 10 seconds +260 c note 1: exposure to absolute maximum ra ting conditions may affect device reliability. recommended work condition symbol parameter value unit v in max input voltage 12 v
________________________________________________________________________ http://www.union-ic.com rev.05 dec.2013 6 / 10 um142xx electrical characteristics (test conditions: c in =1.0 f, c out =1.0 f, t a =25c, unless otherwise noted) symbol parameter test co nditions min typ max unit v in input voltage 12 v v out output voltage v in =set v out +1v 1ma i out 10ma v out 0.98 v out 1.0 v out 1.02 v i out (max.) (note 2) maximum output current v in -v out =1v 300 ma v drop dropout voltage i out =150ma 270 mv output voltage accuracy i out =300ma -3 +3 % v out v in v ou t line regulation i out =10ma 4v v dd 6v 0.05 0.2 %/v v out load regulation v in =set v out +1v 1ma i out 300ma 60 mv i s supply current v in =set v out +1v v out floating 8 15 a v out t v ou t output voltage noise i out =10ma 100 ppm/ psrr power supply ripple rejection f=100hz, ripple=0.5vp-p v in =set v out +1v 60 db output noise bw=10hz~100kh z 44 uvrms note 2: the maximum power rating of each packag e is constant, so along with the change of i load , the v in -v out should be controlled to a certain ra nge to ensure the normal operation. typical application circuit note 3: input capacitor (c in =1uf) is recommended in all applications. note 4: output capacitor (c out =1uf/6.8uf) is recommended in all applications to assure the stability of circuit. 1uf tantalum capacitor or 6.8uf ceramic capacitor is recommended.
________________________________________________________________________ http://www.union-ic.com rev.05 dec.2013 7 / 10 um142xx typical operating characteristics 0 50 100 150 200 250 300 4.95 4.96 4.97 4.98 4.99 5.00 5.01 5.02 5.03 5.04 5.05 output voltage vs output current output voltage(v) output current(ma) v in =6.0v 1000 10000 100000 0 10 20 30 40 50 60 70 80 ripple rejections vs frequency psrr(db) frequency(hz) iload=3ma 25 50 75 100 125 4.98 5.00 5.02 5.04 5.06 5.08 5.10 io=10ma output voltage vs temperature output voltage(v) temperature( o c) 0 50 100 150 200 250 300 0 100 200 300 400 500 600 700 dropout voltage vs output current dropout voltage(mv) output current(ma) 56789101112 2 3 4 5 6 7 8 9 10 11 12 13 14 supply current vs input voltage is(ua) vdd(v) 45678910111213 4.75 4.80 4.85 4.90 4.95 5.00 5.05 5.10 output voltage vs input voltage output voltage(v) input voltage(v) i o =150ma i o =10ma
________________________________________________________________________ http://www.union-ic.com rev.05 dec.2013 8 / 10 um142xx package information um142xxs: sot23-3 outline drawing dimensions symbol millimeters inches min max min max a 1.050 1.250 0.041 0.049 a1 0.000 0.100 0.000 0.004 a2 1.050 1.150 0.041 0.045 b 0.300 0.500 0.012 0.020 c 0.100 0.200 0.004 0.008 d 2.820 3.020 0.111 0.119 e 1.500 1.700 0.059 0.067 e1 2.650 2.950 0.104 0.116 e 0.950ref 0.037ref e1 1.800 2.000 0.071 0.079 l 0.550ref 0.022ref l1 0.300 0.600 0.012 0.024 0 8 0 8 land pattern notes: 1. compound dimension: 2.921.60 2. unit: mm; 3. general tolerance 0.05mm unless otherwise specified; 4. the layout is just for reference. tape and reel orientation
________________________________________________________________________ http://www.union-ic.com rev.05 dec.2013 9 / 10 um142xx um142xxy(b): sot89-3 outline drawing dimensions symbol millimeters inches min max min max a 1.400 1.600 0.055 0.063 b 0.320 0.520 0.013 0.020 b1 0.400 0.580 0.016 0.023 c 0.350 0.440 0.014 0.017 d 4.400 4.600 0.173 0.181 d1 1.55ref 0.061ref e 2.300 2.600 0.091 0.102 e1 3.940 4.250 0.155 0.167 e 1.5typ 0.06typ e1 3 typ 0.118 typ l 0.900 1.200 0.035 0.047 land pattern notes: 1. compound dimension: 4.52.45 2. unit: mm; 3. general tolerance 0.05mm unless otherwise specified; 4. the layout is just for reference. tape and reel orientation
________________________________________________________________________ http://www.union-ic.com rev.05 dec.2013 10 / 10 um142xx important notice the information in this document has been ca refully reviewed and is believed to be accurate. nonetheless, this document is subjec t to change without notice. union assumes no responsibility for any inaccuracies that may be contained in this document, and makes no commitment to update or to keep current the contained information, or to notify a person or organization of any update. union rese rves the right to make changes, at any time, in order to improve reliability, function or design and to attempt to supply the best product possible. union semiconductor, inc add: 2f, no. 3, lane 647 songtao road, shanghai 201203 tel: 021-51093966 fax: 021-51026018 website: www.union-ic.com
|
