unisonic technologies co., ltd ur133/a linear integrated circuit www.unisonic.com.tw 1 of 8 copyright ? 2012 unisonic technologies co., ltd qw-r102-005,s 300/500ma low dropout linear voltage regulators ? description the utc ur133/a are 300/500ma fixed output voltage low dropout linear regulators. wide range of available output voltage fits most of applications. built-in output current-limiting most thermal-limiting provide maximal protection against any fault conditions. ? features *guaranteed 300/500ma output current *input voltage range up to 12v *extremely tight load regulation *fast transient response *current-limiting and thermal-limiting *three-terminal adjustable or fix ed 1.5v, 1.8v, 2.2v, 2.5v, 2.7v, 2.8v, 2.9v,3.0v, 3.3v, 3.5v, 3.6v, 3.7v, 4.7v, 5.0v ? ordering information ordering number package d pin assignment packing lead free halogen free ur133 1 l-xx-aa3- 2 - e ur133 1 g-xx-aa3- 2 - e sot-223 a: goi b: ogi c: gio d: igo r: tape reel b: tape box k: bulk ur133 1 l-xx-ab3- 2 - e ur133 1 g-xx-ab3- 2 - e sot-89 ur133 1 l-xx-t92- 2 - e ur133 1 g-xx-t92- 2 - e to-92 ur133 1 l-xx-t92- 2 - e ur133 1 g-xx-t92- 2 - e to-92 note: 1. 1 : current code: blank: 300ma a: 500ma 2. pin assignment: i:v in (positive power input) o:v out (output) g:gnd(ground/adjustable) 3. xx: output voltage, refe r to marking information.
ur133/a linear integrated circuit unisonic technologies co., ltd 2 of 8 www.unisonic.com.tw qw-r102-005,s ? marking information package voltage code pin code pin 1 pin 2 pin 3 marking sot-89 15:1.5v 18:1.8v 22:2.2v 25:2.5v 27:2.7v 28:2.8v 29:2.9v 30:3.0v 33:3.3v 35:3.5v 36:3.6v 37:3.7v 47:4.7v 50:5.0v ad:adj a g o i b o g i c g i o d i g o to-92 a g o i b o g i c g i o d i g o sot-223 a g o i b o g i c g i o d i g o
ur133/a linear integrated circuit unisonic technologies co., ltd 3 of 8 www.unisonic.com.tw qw-r102-005,s ? absolute maximum ratings parameter symbol ratings unit input voltage v in v in -0.3 ~ +12 v power dissipation sot-89 p d 500 mw to-92 600 mw sot-223 800 mw operating temperature t opr -40 ~ +85 c storage temperature t stg -65 ~ +150 c note: absolute maximum ratings are those values be yond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? thermal data parameter symbol ratings unit junction to case sot-89 jc 100 c/w sot-223 15 c/w junction to ambient sot-89 ja 300 c/w to-92 160 c/w sot-223 60 c/w ? electrical characteristics (t a =25c, c in =1 f, c out =10 f, unless otherwise specified) for ur133/a-1.5v, 1.8v, 2.2v, 2.5v, 2.7v, 2.8v, 2.9v, 3.0v parameter symbol test conditions min typ max unit output voltage-ur133/a v out i l =2ma, v in- v out =1.4v 1.47 1.50 1.53 v 1.77 1.80 1.83 v 2.16 2.20 2.24 v 2.45 2.50 2.55 v 2.65 2.70 2.75 v 2.74 2.80 2.86 v 2.84 2.90 2.96 v 2.94 3.00 3.06 v dropout voltage (note 4,5) ur133 v d i l =300ma 1.5 v ur133a i l =500ma line regulation v out i l =2ma, v in -v out =2v ~ v in =9v 0.5 %v out load regulation (note 2) ur133 v out i l =2ma ~ 300ma, v in -v out =2v 10 30 mv ur133a i l =2ma ~ 500ma, v in -v out =2v 10 50 mv current limit (note 3) ur133 i limit v in -v out =2v, v out =0v 350 ma ur133a 550 ma standby current i st-by i l =0, v in =9v 5.0 ma output voltage temperature coefficient 50 150 ppm/c
ur133/a linear integrated circuit unisonic technologies co., ltd 4 of 8 www.unisonic.com.tw qw-r102-005,s ? electrical characteristics(cont.) for ur133/a-adj 3.3v, 3.5v, 3.6v, 3.7v, 4.7v, 5.0v parameter symbol test conditions min typ max unit adjustable (r1=120 ? , r2=200 ? , v out =3.3v) reference voltage v ref v in -v out =2v, i l =2ma 1.238 1.250 1.262 v output voltage-ur133/a v out i l =2ma, v in -v out =1.4v 3.23 3.30 3.37 v 3.43 3.50 3.57 v 3.53 3.60 3.67 v 3.63 3.70 3.77 v 4.61 4.70 4.79 v 4.90 5.00 5.10 v dropout voltage (notes 4, 5) ur133 v d i l =300ma 1.3 v ur133a i l =500ma ur133-adj v d i l =300ma 1.5 v ur133a-adj i l =500ma line regulation v out i l =2ma, v in -v out =2v ~ v in =12v 0.5 %v out load regulation (note 2) ur133 v out i l =2ma ~ 300ma, v in -v out =2v 10 30 mv ur133a i l =2ma ~ 500ma, v in -v out =2v 10 50 mv current limit (note 3) ur133 i limit v in -v out =2v, v out =0v 350 ma ur133a 550 ma standby current i st-by i l =0, v in =12v 5.0 ma adjust pin current i adj v in =12v 120 a adjust pin current change ur133 i adj v in =2.75v~12v,i l =1ma~300ma 5 a ur133a v in =2.75v~12v,i l =1ma~500ma 5 a output voltage temperature coefficient 50 150 ppm/ c note 1: guaranteed by design. note 2: regulation is measured at constant junction temperature, using pulsed on time. note 3: current limit is measured at constant junction temperature, using pulsed on time. note 4: dropout is measured at const ant junction temperature, using puls ed on time, and the criterion is v out inside target value 2%. note 5: dropout test is ski pped at the condition of v in < 3v.
ur133/a linear integrated circuit unisonic technologies co., ltd 5 of 8 www.unisonic.com.tw qw-r102-005,s ? typical application circuit utc ur133/a v out gnd v in c o 10 f c i 1 f v in v out + + ? application information a 10 f (or larger) capacitor is recommended between v out and gnd for stability. the part may oscillate without the capacitor. any type of capacitor can be used, but not aluminum electrolytics when operating below -25 . the capacitance may be increased without limit. a 1 f capacitor (or larger) should be placed between v in to gnd. ur133/a adjustable utc ur133/a + + v ref r 1 r 2 10uf 1uf v out v in 10uf c r c r :10uf to improve ripple rejection v out =v ref (1+r 2 /r 1 )+i adj *r 2 i adj + v in v out adj
ur133/a linear integrated circuit unisonic technologies co., ltd 6 of 8 www.unisonic.com.tw qw-r102-005,s ? typical characteristics
ur133/a linear integrated circuit unisonic technologies co., ltd 7 of 8 www.unisonic.com.tw qw-r102-005,s ? typical characteristics(cont.)
ur133/a linear integrated circuit unisonic technologies co., ltd 8 of 8 www.unisonic.com.tw qw-r102-005,s 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.
|
