unisonic technologies co., ltd ut10xx cmos ic www.unisonic.com.tw 1 of 10 copyright ? 2011 unisonic technologies co., ltd qw-r502-014.d three-terminal low power voltage regulators ? description the utc ut10xx series is a set of three-terminal low power voltage regulators implemented in cmos technology. they are available with several fixed output voltages ranging from 1.5v~7.0v. the advantage of cmos technology is low voltage dropout and low quiescent current. although designed primarily as fi xed voltage regul ators, these devices can be used with external components to obtain variable voltages and currents. ? features * low power consumption * low voltage dropout * low temperature coefficient * wide operating voltage (12v max.) ? ordering information ordering number pin assign. normal lead free halogen free package 1 2 3 packing ut10xx-ab3-c-r UT10XXL-AB3-C-R ut10xxg-ab3-c-r sot-89 g i o tape reel ut10xx-t92-b-b ut10xxl-t92-b-b ut 10xxg-t92-b-b to-92 o g i tape box ut10xx-t92-b-k ut10xxl-t92-b-k ut10xxg-t92-b-k to-92 o g i bulk ut10xx-t92-c-b ut10xxl-t92-c-b ut 10xxg-t92-c-b to-92 g i o tape box ut10xx-t92-c-k ut10xxl-t92-c-k ut 10xxg-t92-c-k to-92 g i o bulk note: pin assignment: i: v in o: v out g:ground
ut10xx cmos ic unisonic technologies co., ltd 2 of 10 www.unisonic.com.tw qw-r502-014.d ? marking information package voltage code marking sot-89 to-92 18:1.8v 20:2.0v 25:2.5v 27:2.7v 28:2.8v 30:3.0v 33:3.3v 36:3.6v 44:4.4v 45:4.5v 50:5.0v 70:7.0v
ut10xx cmos ic unisonic technologies co., ltd 3 of 10 www.unisonic.com.tw qw-r502-014.d ? block diagram
ut10xx cmos ic unisonic technologies co., ltd 4 of 10 www.unisonic.com.tw qw-r502-014.d ? absolute maximum ratings parameter symbol ratings unit supply voltage v cc -0.3 ~ +13 v sot-89 200 power dissipation to-92 p d 200 mw operating temperature t opr 0 ~ +70 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 charactristics (ta=25 ) for ut1018 parameter symbol test conditions min typ max unit 2.4% 1.757 1.8 1.843 v output voltage v out v in =3.8v, i out =10ma 5% 1.71 1.8 1.89 v input voltage v in 12 v load regulation v out v in =3.8v, 1ma i out 20ma 60 100 mv line regulation v out v in v out 2.8v v in 12v, i out =0.5ma 0.2 %/v voltage dropout v d i out =1ma 60 mv output current i out v in =3.8v 20 30 ma current consumption i ss v in =3.8v, no load 2.2 6.0 a temperature coefficient v out ta v in =3.8v, i out =10ma 0c ut10xx cmos ic unisonic technologies co., ltd 5 of 10 www.unisonic.com.tw qw-r502-014.d ? electrical charactristics(cont.) for ut1027 parameter symbol test conditions min typ max unit 2.4% 2.635 2.7 2.765 v output voltage v out v in =4.7v, i out =10ma 5% 2.565 2.7 2.835 v input voltage v in 12 v load regulation v out v in =4.7v, 1ma i out 20ma 60 100 mv line regulation v out v in v out 3.7v v in 12v, i out =0.5ma 0.2 %/v voltage dropout v d i out =1ma 60 mv output current i out v in =4.7v 20 30 ma current consumption i ss v in =4.7v, no load 2.5 6.0 a temperature coefficient v out ta v in =4.7v, i out =10ma 0c ut10xx cmos ic unisonic technologies co., ltd 6 of 10 www.unisonic.com.tw qw-r502-014.d ? electrical charactristics(cont.) for ut1033 parameter symbol test conditions min typ max unit 2.4% 3.220 3.3 3.379 v output voltage v out v in =5.5v, i out =10ma 5% 3.135 3.3 3.465 v input voltage v in 12 v load regulation v out v in =5.5v, 1ma i out 30ma 60 100 mv voltage dropout v d i out =1ma 60 mv output current i out v in =5.5v 20 30 ma current consumption i ss v in =5.5v, no load 2.5 6.0 a line regulation v out v in v out 4.5v v in 12v, i out =1ma 0.2 %/v temperature coefficient v out ta v in =5.5v,i out =10ma 0c ut10xx cmos ic unisonic technologies co., ltd 7 of 10 www.unisonic.com.tw qw-r502-014.d ? electrical charactristics(cont.) for ut1050 parameter symbol test conditions min typ max unit 2.4% 4.88 5.0 5.12 v output voltage v out v in =7v, i out =10ma 5% 4.75 5.0 5.25 v input voltage v in 12 v load regulation v out v in =7v, 1ma i out 30ma 60 100 mv voltage dropout v d i out =1ma 60 mv output current i out v in =7v 20 30 ma current consumption i ss v in =7v, no load 3.5 9.0 a line regulation v out v in v out 6v v in 12v, i out =1ma 0.2 %/v temperature coefficient v out ta v in =7v, i out =10ma 0c ut10xx cmos ic unisonic technologies co., ltd 8 of 10 www.unisonic.com.tw qw-r502-014.d ? application circuit the basic circuits using the utc ut10xx series high output current pos itive voltage regulator short-circuit protection for tr1
ut10xx cmos ic unisonic technologies co., ltd 9 of 10 www.unisonic.com.tw qw-r502-014.d ? application circuits(cont.) circuit for increasing output voltage circuit for increasing output voltage ut10xx v in v out v in v out c1 10 + c2 10 + single point gnd common common gnd iss di vxx r1 v out =vxx +v di utc constant current regulator
ut10xx cmos ic unisonic technologies co., ltd 10 of 10 www.unisonic.com.tw qw-r502-014.d ? application circuit(cont.) dual supply 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.
|
