unisonic technologies co., ltd ur132 linear integrated circuit www.unisonic.com.tw 1 of 5 copyright ? 2009 unisonic technologies co., ltd qw-r102-007,i 200ma low dropout linear voltage regulator ? description the utc ur132 is a 200ma fixed output voltage low dropout linear regulator. wide range of available output voltage fits most of applications. built-in out put current-limiting mo st thermal-limiting provide maximal protection against any fault conditions. ? features * guaranteed 200ma output current * input voltage range up to 12v * extremely tight load regulation * fast transient response * current-limiting and thermal-limiting * three-terminal adjustable or fixed voltage. lead-free: ur132l halogen-free:ur132g ? ordering information order number pin assignment. normal lead free halogen free package 1 2 3 4 5 packing ur132-xx-ae3-3-r ur132l-xx-ae3-3-r ur1 32g-xx-ae3-3-r sot-23 o g i - - tape reel ur132-xx-ae3-5-r ur132l-xx-ae3-5-r ur1 32g-xx-ae3-5-r sot-23 g o i - - tape reel ur132-xx-af5-c-r ur132l-xx-af5-c-r ur132g-xx-af5-c-r sot-25 i g n n o tape reel note: pin assignment: i:v in o:v out g:gnd n: no connection xx: output voltage, refer to marking information
ur132 linear integrated circuit unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r102-007,i ? marking information package voltage code pin assignment marking ogi rxx l: lead free g: halogen free voltage code sot-23 goi rxx 5 l: lead free g: halogen free voltage code sot-25 12: 1.2v 15 : 1.5v 18: 1.8v 22: 2.2v 2e: 2.5v 26: 2.6v 27: 2.7v 28: 2.8v 30: 3.0v 33: 3.3v 50: 5.0v ad: adj ignno
ur132 linear integrated circuit unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r102-007,i ? block diagram v out v in current limit themal limit current amp + - + v ref 1.25v gnd adj for fixed voltage device
ur132 linear integrated circuit unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r102-007,i ? absolute maximum ratings parameter symbol rating unit input voltage v in -0.3~12 v power dissipation p d 300 mw junction temperature t j +125 c operation temperature t opr -20~+125 c storage temperature t stg -40~+150 c note: absolute maximum ratings are those values bey ond 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=25c, c in =1 f, c out =10 f, unless otherwise specified) for v out < 3.3v (v out 2%) parameter symbol test conditions min typ. max unit output voltage v out i l =2ma, v in -v out =2v v out 0.98 v out v out 1.02 v output voltage temperature coefficient t c v o 50 150 ppm/c line regulation v out i l =2ma, v in -v out =2v~v in =9v 0.5 %v out load regulation (note 2) v out i l =2ma~200ma, v in -v out =2v 10 30 mv current limit (note 3) i l v in -v out =2v, v out =0v 300 ma dropout voltage (note 4,5) v d 1.5 v standby current i stn-by i l =0, v in =9v 3.0 ma for adj and v out 3.3v (v out 2%) parameter symbol test conditions min typ. max unit output voltage v out i l =2ma, v in -v out =2v v out 0.98 v out v out 1.02 v 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 temperature coefficient t c v o 50 150 ppm/c line regulation v out i l =2ma, v in -v out =2v~v in =12v 0.5 %v out load regulation (note 2) v out i l =2ma~200ma, v in -v out =2v 10 30 mv current limit (note 3) i l v in -v out =2v, v out =0v 300 ma dropout voltage (note 4,5) v d 1.3 v standby current i stn-by i l =0, v in =12v 5.0 ma note: 1. guaranteed by design. 2. regulation is measured at constant ju nction temperature, using pulsed on time. 3. current limit is measured at constant junction temper ature, using pulsed on time. 4. dropout is measured at constant junction temper ature, using pulsed on time, and the criterion is v out inside target value 2%. 5. dropout test is ski pped at the condition of v in < 3v.
ur132 linear integrated circuit unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r102-007,i ? typical application circuit the part may oscillate without the capacitor, a 10 f (or larger) capacitor is recommended between v out and gnd for stability. any type of capacit or can be used, but not aluminum electrolytic when operating below -20 c. the capacitance may be increased without limit. besides, another 1 f capacitor (or larger) should be placed between v in to gnd. ? ur132 adjustable 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 expe cted to result in personal injury. reproduction in whole or in part is prohibited without the prior writ ten 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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