unisonic technologies co., ltd ur233 linear integrated circuit www.unisonic.com.tw 1 of 10 copyright ? 2008 unisonic technologies co., ltd qw-r102-011.d low drop fixed and adjustable positive voltage regulators ? description the utc ur233 is a low drop voltage regulator able to provide up to 0.8a of output cu rrent, available even in adjustable version (v ref =1.25v).high efficiency is assured by npn pass transistor. in fact in the case , unlike than pnp one, the quiescent current flows mostly into the load. only a very common 10 f minimum capacitor is needed for stability. on chip trimming allows the regulator to reach a very tight output voltage tolerance, within 1% at 25 . the adjustable ur233 is pin to pin compatible with the other standar d adjustable voltage regulators maintaining the better performances in terms of drop and tolerance. ? features *low dropout voltage (1.5v typ.) *output current up to 0.8a *fixed output voltage of: 1.7v,1.8 v,2.5v, 2,85v, 3.0v, 3.3v, 5.0v *adjustable version availability (v ref =1.25v) *internal current and thermal limit *available in 1%(at 25 ) and 2% in all temperature range *supply voltage rejection: 75db (typ) *pb-free plating product number: ur233l ? ordering information ordering number normal lead free plating package pin assignment packing ur233-xx-aa3- - ur233l-xx-aa3- - sot-223 ur233-xx-ab3- - ur233l-xx-ab3- - sot-89 ur233-xx-ta3- - ur233l-xx-ta3- - to-220 ur233-xx-tn3- - ur233l-xx-tn3- - to-252 ur233-xx-tq2- - ur233l-xx-tq2- - to-263 ur233-xx-tq3- - ur233l-xx-tq3- - to-263-3 a: goi b: ogi c: gio d: igo ur233-xx-s08- - ur233l-xx-s08- - sop-8 gooixoox r: tape reel t: tube note: pin assignment: i:v in o:v out g:gnd ? ordering information(cont.)
ur233 linear integrated circuit unisonic technologies co., ltd 2 of 10 www.unisonic.com.tw qw-r102-011.d ? marking information package voltage code pin code pin 1 pin 2 pin 3 marking a gnd out in b out gnd in c gnd in out sot-223 d in gnd out a gnd out in b out gnd in c gnd in out sot-89 d in gnd out a gnd out in b out gnd in c gnd in out to-220 to-252 to-263 to-263-3 17:1.7v 18:1.8v 25:2.5v 2j:2.85v 30:3.0v 33:3.3v 50:5.0v ad:adj d in gnd out
ur233 linear integrated circuit unisonic technologies co., ltd 3 of 10 www.unisonic.com.tw qw-r102-011.d ? block diagram
ur233 linear integrated circuit unisonic technologies co., ltd 4 of 10 www.unisonic.com.tw qw-r102-011.d ? absolute maximum ratings parameter symbol value unit dc input voltage v in 12 v sot-223 0.740 sot-89 0.571 sop-8 0.625 to-252 1.471 to-220 1.820 power dissipation to-263 p d 2.222 w operating junction temperature t opr -40 ~ +85 storage temperature t stg -65 ~ +150 c 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. ? thermal data parameter symbol rating unit sot-223 135 sot-89 175 sop-8 160 to-252 68 to-220 55 junction-to-ambient to-263 ja 45 c/w sot-223 19 sot-89 48 sop-8 45 to-252 7.5 to-220 15 junction-to-case to-263 jc 7.8 c/w ? electrical characteristics (t j =0 ~ 125 , unless otherwise specified) for ur233-1.7 parameter symbol test conditions min. typ. max. unit output voltage v out v in =3.7v, i out =10ma, t j =25 1% 1.683 1.700 1.717 v output voltage v out v in =3.1 ~ 10v, i out =2 ~ 800ma 2% 1.666 1.734 v line regulation v out v in =3.1 ~ 10v, i out =2ma 1 6 mv load regulation v out v in =3.1v, i out =2 ~ 800ma 1 10 mv temperature stability v out 0.5 % long term stability v out 1000 hrs, t j =125 0.3 % operating input voltage v in i out =100ma 12 v quiescent current i q v in =10v 5 10 ma output current i out v in =6.7v, t j =25 800 950 1200 ma output noise voltage en b=10hz ~ 10khz, t j =25 100 v supply voltage rejection svr i out =40ma, f=120hz, t j =25 , v in =4.7v, v ripple =1vpp 60 75 db dropout voltage v d 1.50 v thermal regulation t a =25 , 30ms pulse 0.01 0.10 %/w
ur233 linear integrated circuit unisonic technologies co., ltd 5 of 10 www.unisonic.com.tw qw-r102-011.d ? electrical characteristics(cont.) for ur233-1.8 parameter symbol test conditions min. typ. max. unit output voltage v out v in =3.8v, i out =10ma, t j =25 1% 1.782 1.800 1.818 v output voltage v out v in =3.2 ~ 10v, i out =2 ~ 800ma 2% 1.764 1.836 v line regulation v out v in =3.2 ~ 10v, i out =2ma 1 6 mv load regulation v out v in =3.2v, i out =2 ~ 800ma 1 10 mv temperature stability v out 0.5 % long term stability v out 1000 hrs, t j =125 0.3 % operating input voltage v in io=100ma 12 v quiescent current i q v in =10v 5 10 ma output current i out v in =6.8v, t j =25 800 950 1200 ma output noise voltage en b=10hz ~ 10khz, t j =25 100 v supply voltage rejection svr io=40ma, f=120hz, t j =25 , v in =4.8v, v ripple =1vpp 60 75 db dropout voltage v d 1.50 v thermal regulation t a =25 , 30ms pulse 0.01 0.10 %/w for ur233-2.5 parameter symbol test conditions min. typ. max. unit output voltage v out v in =4.5v, i out =10ma, t j =25 1% 2.475 2.500 2.525 v output voltage v out v in =3.9 ~ 10v, i out =2 ~ 800ma 2% 2.450 2.550 v line regulation v out v in =3.9 ~ 10v, i out =2ma 1 6 mv load regulation v out v in =3.9v, i out =2 ~ 800ma 1 10 mv temperature stability v out 0.5 % long term stability v out 1000 hrs, t j =125 0.3 % operating input voltage v in i out =100ma 12 v quiescent current i q v in =10v 5 10 ma output current i out v in =7.5v, t j =25 800 950 1200 ma output noise voltage en b=10hz ~ 10khz, t j =25 100 v supply voltage rejection svr i out =40ma, f=120hz, t j =25 , v in =5.5v, v ripple =1vpp 60 75 db dropout voltage v d 1.50 v thermal regulation t a =25 , 30ms pulse 0.01 0.10 %/w
ur233 linear integrated circuit unisonic technologies co., ltd 6 of 10 www.unisonic.com.tw qw-r102-011.d ? electrical characteristics(cont.) for ur233-2.85 parameter symbol test conditions min. typ. max. unit output voltage v out v in =4.85v, i out =10ma, t j =25 1% 2.822 2.85 2.878 v output voltage v out v in =4.25 ~ 10v, i out =2 ~ 800ma 2% 2.793 2.907 v line regulation v out v in =4.25 ~ 10v, i out =2ma 1 6 mv load regulation v out v in =4.25v, i out =2 ~ 800ma 1 10 mv temperature stability v out 0.5 % long term stability v out 1000 hrs, t j =125 0.3 % operating input voltage v in i out =100ma 12 v quiescent current i q v in =10v 5 10 ma output current i out v in =7.85v, t j =25 800 950 1200 ma output noise voltage en b=10hz ~ 10khz, t j =25 100 v supply voltage rejection svr i out =40ma, f=120hz, t j =25 , v in =5.85v, v ripple =1vpp 60 75 db dropout voltage v d 1.50 v thermal regulation t a =25 , 30ms pulse 0.01 0.10 %/w for ur233-3.0 parameter symbol test conditions min. typ. max. unit output voltage v out v in =5v, i out =10ma, t j =25 1% 2.97 3.00 3.03 v output voltage v out v in =4.5 ~ 12v, i out =2 ~ 800 ma 2% 2.94 3.06 v line regulation v out v in =4.5 ~ 12v, i out =2ma 1 6 mv load regulation v out v in =4.5v, i out =2 ~ 800ma 1 10 mv temperature stability v out 0.5 % long term stability v out 1000 hrs, t j =125 0.3 % operating input voltage v in i out =100ma 12 v quiescent current i q v in =12v 5 10 ma output current i out v in =8v, t j =25 800 950 1200 ma output noise voltage en b=10hz ~ 10khz, t j =25 100 v supply voltage rejection svr i out =40ma, f=120hz, t j =25 , v in =6v, v ripple =1vpp 60 75 db dropout voltage v d 1.50 v thermal regulation t a =25 , 30ms pulse 0.01 0.10 %/w
ur233 linear integrated circuit unisonic technologies co., ltd 7 of 10 www.unisonic.com.tw qw-r102-011.d ? electrical characteristics(cont.) for ur233-3.3 parameter symbol test conditions min. typ. max. unit output voltage v out v in =5.3v, i out =10ma, t j =25 1% 3.267 3.300 3.333 v output voltage v out v in =4.8 ~ 12v, i out =2 ~ 800ma 2% 3.234 3.366 v line regulation v out v in =4.8 ~ 12v, i out =2ma 1 6 mv load regulation v out v in =4.8v, i out =2 ~ 800ma 1 10 mv temperature stability v out 0.5 % long term stability v out 1000 hrs, t j =125 0.3 % operating input voltage v in i out =100ma 12 v quiescent current i q v in =12v 5 10 ma output current i out v in =8.3v, t j =25 800 950 1200 ma output noise voltage en b=10hz ~ 10khz, t j =25 100 v supply voltage rejection svr i out =40ma, f=120hz, t j =25 , v in =6.3v, v ripple =1vpp 60 75 db dropout voltage v d 1.50 v thermal regulation t a =25 , 30ms pulse 0.01 0.10 %/w for ur233-5.0 parameter symbol test conditions min. typ. max. unit output voltage v out v in =7v, i out =10ma, t j =25 1% 4.95 5.00 5.05 v output voltage v out v in =6.5 ~ 12v, i out =2 ~ 800ma 2% 4.90 5.10 v line regulation v out v in =6.5 ~ 12v, i out =2ma 1 10 mv load regulation v out v in =6.5v, i out =2 ~ 800ma 1 15 mv temperature stability v out 0.5 % long term stability v out 1000 hrs, t j =125 0.3 % operating input voltage v in i out =100ma 12 v quiescent current i q v in =12v 5 10 ma output current i out v in =10v, t j =25 800 950 1200 ma output noise voltage en b=10hz ~ 10khz, t j =25 100 v supply voltage rejection svr i out =40ma, f=120hz, t j =25 , v in =8v, v ripple =1vpp 60 75 db dropout voltage v d 1.50 v thermal regulation t a =25 , 30ms pulse 0.01 0.10 %/w
ur233 linear integrated circuit unisonic technologies co., ltd 8 of 10 www.unisonic.com.tw qw-r102-011.d ? electrical characteristics(cont.) ur233-adj parameter symbol test conditions min. typ. max. unit reference voltage v ref v in - v out =2v, i out =10ma, t j =25 1% 1.238 1.25 1.262 v reference voltage v ref v in = v out +1.5v ~ 10v, i out =10 ~ 800ma 2% 1.225 1.275 v line regulation v out v in = v out +1.5v ~ 10v, i out =10ma 0.035 0.200 % load regulation v out v in - v out =3v, i out =10 ~ 800ma 0.10 0.400 % temperature stability v out 0.50 % long term stability v out 1000 hrs, t j =125 0.3 % operating input voltage v in 12 v adjustment pin current i adj v in 12v 60 120 a adjustment pin current change i adj v in = v out +1.5v ~ 10v, i out =10 ~ 800ma 1 5 a minimum load current i out(min) v in =12v 2 5 ma output current i out v in -v out =5v, t j =25 800 950 1200 ma output noise (%vo) en b=10hz ~ 10khz, t j =25 0.003 % supply voltage rejection svr i out =40ma, f=120hz, t j =25 , v in - v out =3v, v ripple =1vpp 60 75 db dropout voltage v d 1.50 v thermal regulation t a =25 , 30ms pulse 0.01 0.10 %/w
ur233 linear integrated circuit unisonic technologies co., ltd 9 of 10 www.unisonic.com.tw qw-r102-011.d ? application circuits fixed voltage adjustable
ur233 linear integrated circuit unisonic technologies co., ltd 10 of 10 www.unisonic.com.tw qw-r102-011.d ? typical characteristics reference voltage (v) output voltage(v) utc assumes no respon sibility for equipment failures that result fr om 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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