unisonic technologies co., ltd r200ld10 linear integrated circuit www.unisonic.com.tw 1 of 8 copyright ? 2012 unisonic technologies co., ltd qw-r101-022.g voltage regulator ? description the utc r200ld10 shows a high current, high accuracy, low-dropout voltage. the features are: low dropout voltage, very low ground current. cause the series have been designed for high current loads, so they are also used in lower current, extremely low dropout-critical systems (in which their tiny dropout voltage and ground cu rrent values are important attributes). ? features * built-in on/off function, * over current protection function, * aso protection function * overheat protection function * 0.3a / 3.3v(r1=2k ? ) output low dropout voltage regulator ? ordering information ordering number package packing lead free halogen free r200ld10l-tn4-l r200ld10g-tn4-l to-252-4 tape reel(reserve feed) R200LD10L-TN4-R r200ld10g-tn4-r to-252-4 tape reel(standard feed) r200ld10l-tn4-t r200ld10g-tn4-t to-252-4 tube r200ld10l-tn5-r r200ld10g-tn5-r to-252-5 tape reel r200ld10l-tn5-t r200ld10g-tn5-t to-252-5 tube
r200ld10 linear integrated circuit unisonic technologies co., ltd 2 of 8 www.unisonic.com.tw qw-r101-022.g ? pin descriptions pin no. pin name pin function 1 v in dc input voltage. 2 v c on/off control 3 v out dc output voltage. 4 v adj output voltage adjustment 5 gnd ground ? block diagram v out v c gnd v adj v in 1 2 5 4 3 starting circuit reference voltage otp overcurrent protection soa prote ction
r200ld10 linear integrated circuit unisonic technologies co., ltd 3 of 8 www.unisonic.com.tw qw-r101-022.g ? absolute maximum ratings (t a =25 c) parameter symbol ratings unit input voltage (note 2) v in 24 v on/off control terminal voltage (note 2) v c 24 v output adjustment pin voltage (note 2) v adj 5 v output current i out 1 a power dissipation (with infinite heat sink) p d 8 w junction temperature t j +150 c operating temperature t opr -40 ~ +85 c storage temperature t stg -40 ~ +150 c note: 1.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. 2. all are open except gnd and applicable terminals. ? electrical characteristics (v i n =5v, v out =3.3 v(r 1 =2k ? ), i out =0.3a, v c =2.7v, t j =25c, c i =0.33 f, c o =10 f, unless otherwise specified) parameter symbol conditions min typ max unit input voltage v in 3.5 24 v output voltage v out 3.0 20 v load regulation v out / i out i out = 5ma~ 1a 1.0 % line regulation v out / v in v in = 4~ 10v, i out =5ma 1.0 ripple rejection rr refer to fig 3 60 db dropout voltage v d v in =3.5v 0.5 v reference voltage v ref 2.583 2.65 2.717 temperature coefficient of reference voltage t c v ref t j =0 ~ 125c, i out = 5ma 1.0 % on-state voltage for control v c ( on ) (note) 2.0 v on-state current for control i c ( on ) 200 a on-state voltage for control v c ( off ) i out =0a 0.8 v on-state current for control i c ( off ) i out =0a,v c =0.4v -2 a quiescent current i q i out =0a 8 ma output off-state consumption current i qs v c =0.4v 5 a note: in case of v c pin, output voltage turns off.
r200ld10 linear integrated circuit unisonic technologies co., ltd 4 of 8 www.unisonic.com.tw qw-r101-022.g ? typical application circuit
r200ld10 linear integrated circuit unisonic technologies co., ltd 5 of 8 www.unisonic.com.tw qw-r101-022.g ? test circuit c o =10 f i q 1 2 5 3 r 2 r 1 v out c i =0.33 f v in dc input 5 1 3 4 r200ld10 a i c a a v i out r l for standard measuring circuit of regulation portion v out =v ref *(1+r2/r1) r1=2k ? ,v ref 2.65v 2.7v c o =10 f 1 2 5 3 r 2 r 1 v out c i =0.33 f v in dc input 5 1 3 4 r200ld10 v i out r l for standard measuring circuit of ripple rejection critical rate f=120hz sine wave ,ei(rms)=0.5v , v in =5v,v out =3.3v(r1=2k ? ) i out =0.3a,rr=20log{ei(rms)/eo(rms)} ~ ei v~ eo +
r200ld10 linear integrated circuit unisonic technologies co., ltd 6 of 8 www.unisonic.com.tw qw-r101-022.g ? typical characteristics
r200ld10 linear integrated circuit unisonic technologies co., ltd 7 of 8 www.unisonic.com.tw qw-r101-022.g ? typical characteristics(cont.)
r200ld10 linear integrated circuit unisonic technologies co., ltd 8 of 8 www.unisonic.com.tw qw-r101-022.g 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 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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