unisonic technologies co., ltd l1119 preliminary cmos ic www.unisonic.com.tw 1 of 5 copyright ? 2010 unisonic technologies co., ltd qw-r502-051,ca 1.5a low dropout regulators ? description the utc l1119 is a fast ultra low-dropout linear regulator that developed in cmos process which allows low quiescent current operation independent of output lo ad current. this cmos process also allows the device to operate under extremely low dropout conditions. the utc l1119 allows to operate from a 2.5v~7.0v input supply. wide range of preset output vo ltage options are available and respond very fast to step changes in load which makes them suitable for low voltage microprocessor applications. ? features * low ground current * load regulation of 0.04% * output current of 1.5a dc is guaranteed * accurate output voltage.( 1.5%) * extremely low output capacitor requirements * over temperature/ over current protection ? ordering information ordering number pin assignment lead free halogen free package 1 2 3 packing l1119l-xx-aa3-a-r l1119g-xx-aa3-a-r sot-223 g o i tape reel l1119l-xx-aa3-c-r l1119g-xx-aa3-c-r sot-223 g i o tape reel l1119l-xx-ab3-a-r l1119g-xx-ab3-a-r sot-89 g o i tape reel l1119l-xx-ab3-b-r l1119g-xx-ab3-b-r sot-89 o g i tape reel l1119l-xx-ab3-c-r l1119g-xx-ab3-c-r sot-89 g i o tape reel l1119l-xx-ab3-d-r l1119g-xx-ab3-d-r sot-89 i g o tape reel l1119l-xx-tn3-d-r L1119G-XX-TN3-D-R to-252 i g o tape reel l1119l-xx-tn3-d-t l1119g-xx-tn3-d-t to-252 i g o tube l1119l-xx-tq2-d-r l1119g-xx-tq2-d-r to-263 i g o tape reel l1119l-xx-tq2-d-t l1119g-xx-tq2-d-t to-263 i g o tube note: pin assignment: i: v in o: v out g:gnd
l1119 preliminary cmos ic unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r502-051,ca ? marking information package voltage code marking sot-223 12 3 date code voltage code pin code l1119 l: lead free g: halogen free sot-89 12 3 l1119 voltage code date code pin code l: lead free g: halogen free to-252 to-263 12 :1.2v 15 :1.5v 18 :1.8v 25 :2.5v 33 :3.3v 50 :5.0v 123 utc l1119 voltage code date code lot code l: lead free g: halogen free pin code
l1119 preliminary cmos ic unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r502-051,ca ? block diagram
l1119 preliminary cmos ic unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r502-051,ca ? absolute maximum ratings parameter symbol ratings unit input supply voltage v in -0.3 ~ +7.5 v output voltage v out -0.3 ~ +7.5 v output current i out short circuit protected power dissipation p d internally limited c operating junction temperature t j -40 ~ +125 c storage temperature t stg -65 ~ +150 c note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? recommended operating ratings parameter symbol ratings unit input supply voltage v in 2.5 ~ 7.0 v maximum operating current (dc) i opr(max) 1.5 a operating junction temperature t j -40 ~ +125 c note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only an d functional device operat ion is not implied. ? electrical characteristics (t j =25c, v in =v out +1v, i l =10ma, c out =33 f, unless otherwise specified.) parameter symbol test conditions min typ max unit i l = 150 ma 38 45 dropout voltage (note) v d i l = 1.5 a 870 mv peak output current i peak 2.0 2.5 a i l = 150 ma 4 9 ground pin current i gnd i l = 1.5 a 5 14 ma output voltage tolerance v out 10 ma i l 1.5a v out +1 v in 7.0v -1.5 0 +1.5 % line regulation v out v out +1v l1119 preliminary cmos ic unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r502-051,ca utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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