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unisonic technologies co., ltd lr1106 cmos ic www.unisonic.com.tw 1 of 17 copyright ? 2009 unisonic technologies co., ltd qw-r502-055,n large current positive voltage regulators ? description the utc lr1106 series are positive voltage regulators that developed in cmos technology with highly precise, low power consumption. it is capable of large currents with a significantly small dropout voltage. the device consists of a driver transistor, a precision reference voltage and an error amplifier. basi cally, output voltage is selectable in 0.1v step form 1.8v to 6. 0v, 2.85v also is available. ? features * maximum output current : 400ma * maximum operating voltage : 8v * highly accurate : 2% * low power consumption : typ 8.0 a * output voltage temperature characteristics : typ 100ppm/c ? ordering information ordering number pin assignment lead free halogen free 1 2 3 4 5 6 7 8 package packing lr1106l-xx-ab3-b-r lr1106g-xx-ab3-b-r o g i - - - - - sot-89 tape reel lr1106l-xx-ab3-c-r lr1106g-xx-ab3-c-r g i o - - - - - sot-89 tape reel lr1106l-xx-ae3-3-r lr1106g-xx-ae3-3-r o g i - - - - - sot-23 tape reel lr1106l-xx-af5-r lr1106g-xx-af5-r i g e n o - - - sot-25 tape reel lr1106l-xx-s08-r lr1106g-xx-s08-r o n g n e n n i sop-8 tape reel lr1106l-xx-v26-b-r lr1106g-xx-v 26-b-r i n o n g e - - vson-6 tape reel note: pin assignment: i:v in o:v out g:gnd n: no connection e: enable xx: output voltage, refe r to marking information.
lr1106 cmos ic unisonic technologies co., ltd 2 of 17 www.unisonic.com.tw qw-r502-055,n ? marking information package voltage code pin code 1 2 3456 marking sot-23 3 o g i - - - sot-25 - i g e n o - 321 smxx 5 4 voltage code l: lead free g: halogen free b o g i --- sot-89 c g i o --- vson-6 18:1.8v 22:2.2v 25:2.5v 27:2.7v 28:2.8v 2j:2.85v 30:3.0v 31:3.1v 33:3.3v 35:3.5v 50:5.0v - i n o ngc sm xx l: lead free g: halogen free voltage code
lr1106 cmos ic unisonic technologies co., ltd 3 of 17 www.unisonic.com.tw qw-r502-055,n ? block diagram voltage reference gnd v out v in + - for sot-89 / sot-23 package en v in v out gnd voltage reference + - for sop-8 / vson-6 / sot-25 package
lr1106 cmos ic unisonic technologies co., ltd 4 of 17 www.unisonic.com.tw qw-r502-055,n absolute maximum ratings (ta=25 ) parameter symbol ratings unit input voltage v in 8 v output voltage v out v ss -0.3 ~ v in +0.3 v output current i out 400 ma sot-25/sot-23 300 mw sot-89/sop-8 500 mw power dissipation vson-6 p d 1000 mw operating ambient temperature t opr -40 ~ +85 storage temperature t stg -40 ~ +125 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. ? electrical characteristics (ta=25 , unless otherwise specified.) for lr1106-18 parameter symbol test conditions min typ max unit output voltage v out v in =2.8v, i out =40ma 1.764 1.800 1.836 v input voltage v in 8 v load regulation v out v in =2.8v, 1ma i out 200ma 40 100 mv v d1 i out =100ma 200 300 dropout voltage v d2 i out =200ma 400 600 mv maximum output current i out(max) v in =2.8v, v out v out 0.90 400 ma supply current i ss v in =2.8v, v en =v in 30.0 50.0 a i eh v en =v in 0.1 a en input bias current i el v en =0, v in =2.8v to 8v 1.0 3.0 a v eh v in =2.8v to 8v v in /2+0.8 v in v en input threshold v el v in =2.8v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 2.8v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm/ for lr1106-22 parameter symbol test conditions min typ max unit output voltage v out v in =3.2v, i out =40ma 2.156 2.200 2.244 v input voltage v in 8 v load regulation v out v in =3.2v, 1ma i out 200ma 40 100 mv v d1 i out =100ma 200 300 dropout voltage v d2 i out =200ma 400 600 mv maximum output current i out(max) v in =3.2v, v out v out 0.90 400 ma supply current i ss v in =3.2v, v en =v in 30.0 50.0 a i eh v en =v in 0.1 a en input bias current i el v en =0, v in =3.2v to 8v 1.0 3.0 a v eh v in =3.2v to 8v v in /2+0.8 v in v en input threshold v el v in =3.2v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 3.2v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm/
lr1106 cmos ic unisonic technologies co., ltd 5 of 17 www.unisonic.com.tw qw-r502-055,n ? electrical characteristics(cont.) for lr1106-25 parameter symbol test conditions min typ max unit output voltage v out v in =3.5v, i out =40ma 2.450 2.500 2.550 v input voltage v in 8 v load regulation v out v in =3.5v, 1ma i out 200ma 40 100 mv v d1 i out =100ma 170 250 dropout voltage v d2 i out =200ma 320 500 mv maximum output current i out(max) v in =3.5v, v out v out 0.93 400 ma supply current i ss v in =3.5v, v en =v in 30.0 50.0 a i eh v en =v in 0.1 a en input bias current i el v en =0, v in =3.5v to 8v 1.0 3.0 a v eh v in =3.5v to 8v v in /2+0.8 v in v en input threshold v el v in =3.5v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 3.5v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm/ for lr1106-27 parameter symbol test conditions min typ max unit output voltage v out v in =3.7v, i out =40ma 2.646 2.700 2.754 v input voltage v in 8 v load regulation v out v in =3.7v, 1ma i out 200ma 40 100 mv v d1 i out =100ma 170 250 dropout voltage v d2 i out =200ma 320 500 mv maximum output current i out(max) v in =3.7v, v out v out 0.93 400 ma supply current i ss v in =3.7v, v en =v in 30.0 50.0 a i eh v en =v in 0.1 a en input bias current i el v en =0, v in =3.7v to 8v 1.0 3.0 a v eh v in =3.7v to 8v v in /2+0.8 v in v en input threshold v el v in =3.7v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 3.7v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm/ for lr1106-28 parameter symbol test conditions min typ max unit output voltage v out v in =3.8v, i out =40ma 2.744 2.800 2.856 v input voltage v in 8 v load regulation v out v in =3.8v, 1ma i out 200ma 40 100 mv v d1 i out =100ma 170 250 dropout voltage v d2 i out =200ma 320 500 mv maximum output current i out(max) v in =3.8v, v out v out 0.93 400 ma supply current i ss v in =3.8v, v en =v in 30.0 50.0 a i eh v en =v in 0.1 a en input bias current i el v en =0, v in =3.8v to 8v 1.0 3.0 a v eh v in =3.8v to 8v v in /2+0.8 v in v en input threshold v el v in =3.8v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 3.8v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm /
lr1106 cmos ic unisonic technologies co., ltd 6 of 17 www.unisonic.com.tw qw-r502-055,n ? electrical characteristics(cont.) for lr1106-2j(2.85v) parameter symbol test conditions min typ max unit output voltage v out v in =3.85v, i out =40ma 2.793 2.850 2.907 v input voltage v in 8 v load regulation v out v in =3.85v, 1ma i out 200ma 40 100 mv v d1 i out =100ma 170 250 dropout voltage v d2 i out =200ma 250 500 mv maximum output current i out(max) v in =3.85v, v out v out 0.93 400 ma supply current i ss v in =3.85v, v en =v in 30.0 50.0 a i eh v en =v in 0.1 a en input bias current i el v en =0, v in =3.85 to 8v 1.0 3.0 a v eh v in =3.85v to 8v v in /2+0.8 v in v en input threshold v el v in =3.85v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 3.85v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm/ for lr1106-30 parameter symbol test conditions min typ max unit output voltage v out v in =4.0v, i out =40ma 2.940 3.000 3.060 v input voltage v in 8 v load regulation v out v in =4.0v, 1ma i out 200ma 40 100 mv v d1 i out =100ma 150 220 dropout voltage v d2 i out =200ma 300 420 mv maximum output current i out(max) v in =4.0v, v out v out 0.96 400 ma supply current i ss v in =4.0v, v en =v in 30.0 50.0 a i eh v en =v in 0.1 a en input bias current i el v en =0, v in =4.0v to 8v 1.0 3.0 a v eh v in =4.0v to 8v v in /2+0.8 v in v en input threshold v el v in =4.0v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 4v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm/ for lr1106-31 parameter symbol test conditions min typ max unit output voltage v out v in =4.1v, i out =40ma 3.038 3.100 3.162 v input voltage v in 8 v load regulation v out v in =4.1v, 1ma i out 200ma 40 100 mv v d1 i out =100ma 150 220 dropout voltage v d2 i out =200ma 300 420 mv maximum output current i out(max) v in =4.1v, v out v out 0.96 400 ma supply current i ss v in =4.1v, v en =v in 30.0 50.0 a i eh v en =v in 0.1 a en input bias current i el v en =0, v in =4.1v to 8v 1.0 3.0 a v eh v in =4.1v to 8v v in /2+0.8 v in v en input threshold v el v in =4.1v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 4v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm/
lr1106 cmos ic unisonic technologies co., ltd 7 of 17 www.unisonic.com.tw qw-r502-055,n ? electrical characteristics(cont.) for lr1106-33 parameter symbol test conditions min typ max unit output voltage v out v in =4.3v, i out =40ma 3.234 3.300 3.366 v input voltage v in 8 v load regulation v out v in =4.3v, 1ma i out 200ma 40 100 mv v d1 i out =100ma 150 220 dropout voltage v d2 i out =200ma 300 420 mv maximum output current i out(max) v in =4.3v, v out v out 0.96 400 ma supply current i ss v in =4.3v, v en =v in 30.0 50.0 a i eh v en =v in 0.1 a en input bias current i el v en =0, v in =4.3v to 8v 1.0 3.0 a v eh v in =4.3v to 8v v in /2+0.8 v in v en input threshold v el v in =4.3v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 4.3v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm/ for lr1106-50 parameter symbol test conditions min typ max unit output voltage v out v in =6.0v, i out =40ma 4.900 5.000 5.100 v input voltage v in 8 v load regulation v out v in =6.0v, 1ma i out 200ma 40 100 mv v d1 i out =100ma 100 180 dropout voltage v d2 i out =200ma 200 320 mv maximum output current i out(max) v in =6.0v, v out v out 0.96 400 ma supply current i ss v in =6.0v, v en =v in 30.0 50.0 a i eh v en =v in 0.1 a en input bias current i el v en =0, v in =6.0v to 8v 1.0 3.0 a v eh v in =6.0v to 8v v in /2+0.8 v in v en input threshold v el v in =6.0v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 6.0v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm/
lr1106 cmos ic unisonic technologies co., ltd 8 of 17 www.unisonic.com.tw qw-r502-055,n ? typical application circuit
lr1106 cmos ic unisonic technologies co., ltd 9 of 17 www.unisonic.com.tw qw-r502-055,n ? typical characteristics (1) lr1106-18 output voltage, v out (v) output voltage, v out (v) 1.2 0.8 0.6 0.2 0.0 0 100 200 300 400 output current, i out (ma) dropout voltage, v d (v) t opr =25 c in =c l =1.0 f (tantalum) 0.4 1.0 0 02 468 input voltage, v in (v) supply current, i ss (a) 5 10 15 20 85 t opr =25 85 dropout voltage vs. output current supply current vs. input voltage output voltage, v out (v) supply current, iss (a)
lr1106 cmos ic unisonic technologies co., ltd 10 of 17 www.unisonic.com.tw qw-r502-055,n ? typical characteristics (cont.) input voltage, v in (v) output voltage, v out (v) time (1msec/div) 3 v in =2.8v c in =c l =1f (tantalum) output voltage 2 1 0 -1 -2 200 160 120 80 40 0 output current 40ma 1ma time (1msec/div) 3 v in =2.8v c in =c l =1f (tantalum) output voltage 2 1 0 -1 -2 200 0 output current 200ma 1ma 400 600 800 1000 load transient response load transient response ripple frequency, f (khz) 10 v in =2.8v dc +1v p-pac i out =40ma c l =1 f (tantalum) 1 0.1 0.01 0 10 20 30 40 50 60 ripple frequency, f (khz) 10 v in =2.8v dc +1v p-pac i out =100ma c l =1f (tantalum) 1 0.1 0.01 0 10 20 30 40 50 60 ripple rejection rate ripple rejection rate
lr1106 cmos ic unisonic technologies co., ltd 11 of 17 www.unisonic.com.tw qw-r502-055,n ? typical characteristics (cont.) (2) lr1106-25 output voltage, v out (v) output voltage, v out (v) c in =c l =1.0f (tantalum) dropout voltage, v d (v) 1.2 1.0 0.6 0.0 0 100 200 300 400 85 t opr =25 output current, i out (ma) 0.8 0.4 0.2 supply current, i ss ( a) 20 8 85 t opr =25 input voltage, v in (v) 6 4 2 0 15 10 5 0 dropout voltage vs output current supply current vs input voltage 2.60 2.40 100 ambient temperature, t opr ( ) output voltage, v out (v) i out =1ma i out =40ma i out =100ma 80 60 40 20 0 -20 -40 -60 2.45 2.50 2.55 0 100 ambient temperature, t opr ( ) supply current, iss (a) 80 60 40 20 0 -20 -40 -60 5 10 15 20 v in =3.5v output voltage vs ambient temperature supply current vs ambient temperature
lr1106 cmos ic unisonic technologies co., ltd 12 of 17 www.unisonic.com.tw qw-r502-055,n ? typical characteristics (cont.)
lr1106 cmos ic unisonic technologies co., ltd 13 of 17 www.unisonic.com.tw qw-r502-055,n ? typical characteristics (cont.) (3) lr1106-33 output voltage, v out (v) output voltage, v out (v) c in =c l =1.0f (tantalum) dropout voltage, v d (v) 1.2 1.0 0.6 0.0 0 100 200 300 400 85 topr=25 output current, i out (ma) 0.8 0.4 0.2 supply current, i ss (a) 20 8 85 topr=25 input voltage, v in (v) 6 4 2 0 15 10 5 0 dropout voltage vs output current supply current vs input voltage 3.40 3.20 100 ambient temperature, t opr ( ) i out =1ma i out =40ma i out =100ma 80 60 40 20 0 -20 -40 -60 3.25 3.30 3.35 0 100 ambient temperature, t opr ( ) 80 60 40 20 0 -20 -40 -60 5 10 15 20 v in =4.3v output voltage vs ambient temperature supply current vs ambient temperature
lr1106 cmos ic unisonic technologies co., ltd 14 of 17 www.unisonic.com.tw qw-r502-055,n ? typical characteristics (cont.) 4 v in =4.3v c in =c l =1.0f (tantalum) output voltage 3 2 1 0 200 160 120 80 40 0 output current 40ma 1ma 5 time (1msec/div) time (1msec/div) 5 v in =4.3v c in =c l =1f (tantalum) output voltage 3 2 1 0 200 0 output current 200ma 1ma 400 600 800 1000 4 load transient response load transient response ripple frequency, f (khz) v in =4.3v dc +1v p-pac i out =40ma c l =1f (tantalum) 10 0.1 0.01 0 10 20 30 40 50 60 1 ripple frequency, f (khz) 10 v in =4.3v dc +1v p-pac i out =100ma, c l =1f (tantalum) 0.1 0.01 0 10 20 30 40 50 60 1 ripple rejection rate ripple rejection rate
lr1106 cmos ic unisonic technologies co., ltd 15 of 17 www.unisonic.com.tw qw-r502-055,n ? typical characteristics (cont.) (4) lr1106-50 output voltage, v out (v) output voltage, v out (v) c in =c l =1.0f (tantalum) dropout voltage, v d (v) 1.2 1.0 0.6 0.0 0 100 200 300 400 85 t opr =25 output current, i out (ma) 0.8 0.4 0.2 supply current, i ss (a) 20 8 85 t opr =25 input voltage, v in (v) 6 4 2 0 15 10 5 0 dropout voltage vs output current supply current vs input voltage 5.10 4.90 100 ambient temperature, t opr ( ) output voltage, v out (v) i out =1ma i out =40ma i out =100ma 80 60 40 20 0 -20 -40 -60 4.95 5.00 5.05 0 100 ambient temperature, t opr ( ) supply current, iss (a) 80 60 40 20 0 -20 -40 -60 5 10 15 20 v in =6v output voltage vs am bient temperature supply current vs ambient temperature
lr1106 cmos ic unisonic technologies co., ltd 16 of 17 www.unisonic.com.tw qw-r502-055,n ? typical characteristics (cont.) time (40sec/div) 6 i out =1ma c in =c l =1f (tantalum) t opr =25 input voltage output voltage 5 4 3 2 4.6 4.8 5.0 5.2 5.4 5.6 5.8 7 8 time (40sec/div) 8 i out =200ma c in =c l =1f (tantalum) t opr =25 input voltage output voltage 7 6 5 4 3 24.6 4.8 5.0 5.2 5.4 5.6 5.8 input transient response i nput transient response ripple rejection rate, rr (db) ripple rejection rate, rr (db)
lr1106 cmos ic unisonic technologies co., ltd 17 of 17 www.unisonic.com.tw qw-r502-055,n 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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