unisonic technologies co., ltd R070LD10 linear integrated circuit www.unisonic.com.tw 1 of 10 copyright ? 2010 unisonic technologies co., ltd qw-r101-024.c voltage regulator ? description as the utc linear integrated ldo, the utc R070LD10 shows a high current, high accuracy, low-dropout voltage which built in on/off function. 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 current values are important attributes). ? features * built-in on/off function * over current protection function * over heat protection function * adjustable dc output voltage ? ordering information ordering number lead free halogen free package packing R070LD10l-xx-tn4-r R070LD10g-xx-tn4-r to-252-4 tape reel note: xx: output voltage, re fer to marking information.
R070LD10 linear integrated circuit unisonic technologies co., ltd 2 of 10 www.unisonic.com.tw qw-r101-024.c ? marking information package voltage code marking to-252-4 18 :1.8v 25 :2.5v 50 :5.0v ad :adj 123 voltage code date code l: lead free g: halogen free R070LD10 utc lot code 45 ? pin configuration ? pin description pin no. pin name function 1 v in dc input 2 v c on/off control 3 v out dc output 4 v adj /nc output voltage adjustment / no connection 5 gnd ground
R070LD10 linear integrated circuit unisonic technologies co., ltd 3 of 10 www.unisonic.com.tw qw-r101-024.c ? block diagram for adjustable version v out v c gnd v adj v in 1 2 5 4 3 starting circuit reference voltage otp overcurrent protection soa prote ction for fixed version v out v c gnd nc v in 1 2 5 4 3 starting circuit reference voltage otp overcurrent protection soa prote ction
R070LD10 linear integrated circuit unisonic technologies co., ltd 4 of 10 www.unisonic.com.tw qw-r101-024.c ? absolute maximum ratings parameter symbol ratings units input voltage (note 2) v in 10 v on/off control voltage (note 2) v c 10 v output adjustment pin voltage (note 2) v adj 5 v output current i out 1 a power dissipation 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. 2. 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. all are open except gnd and applicable terminals. ? electrical characteristics for adjustable version (v in =5v, v out =3.3v (r 1 =1k ? ), i out =500ma, v c =2.7v, t a =25c, unless otherwise specified) parameter symbol conditions min typ max units input voltage v in 2.35 10.0 v output voltage v out 1.5 7.0 v load regulation v out i out =5ma~1a 0.2 1 % line regulation v out v in =4~ 8v, i out =5ma 0.2 1 % ripple rejection rr 60 db dropout voltage v d i out =500ma, v in =2.85v 0.5 v reference voltage v ref 1.206 1.23 1.254 v 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 off-state voltage for control v c(off) i out =0a 0.6 v off-state current for control i c(off) i out =0a, v c =0.4v 5 a quiescent current i q i out =0a 1 2 ma output off-state consumption current i qs v c =0.4v 5 a note: in case that the control terminal (2th pin) is non-connection, output voltag e should be off state. for fixed version (v in =v out +1v, i out =500ma, v c =2.0v, t a =25c, unless otherwise specified) parameter symbol conditions min typ max units input voltage v in 10.0 v output voltage v out v out 0.98 v out v out 1.02 v load regulation v out i out =5ma~1a 0.2 1 % line regulation v out v in =v out +0.5v~ 8v, i out =5ma 0.2 1 % ripple rejection rr 60 db dropout voltage v d i out =500ma 0.5 v 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 off-state voltage for control v c(off) i out =0a 0.6 v off-state current for control i c(off) i out =0a, v c =0.4v 5 a quiescent current i q i out =0a 1 2 ma output off-state consumption current i qs v c =0.4v 5 a note: in case that the control terminal (2th pin) is non-connection, output voltag e should be off state.
R070LD10 linear integrated circuit unisonic technologies co., ltd 5 of 10 www.unisonic.com.tw qw-r101-024.c ? typical application circuits adjustable voltage: 1 2 5 3 r 2 r 1 1k ? c o 10 f v out load c i 1 f v in dc input on-off single high:output on low or open:output off 5 1 3 4 R070LD10 note: there is no oscillation when both c in and c out are removed, if applicati ons are properly matched. fixed voltage: note: there is no oscillation when both c in and c out are removed, if applicati ons are properly matched.
R070LD10 linear integrated circuit unisonic technologies co., ltd 6 of 10 www.unisonic.com.tw qw-r101-024.c ? electrical characteristics measuring circuits adjustable voltage: c o 10 f 2 1 3 r 2 r 1 v out c i 1 f v in dc input 5 1 3 4 R070LD10 i c a a v i out r l test circuit for regulation portion a i q v out =v ref *(1+r 2 /r 1 ) r 1 =1k ? , v ref 1.23v v c =2.7v 1 2 5 3 r 2 r 1 v o v in dc input 5 1 3 4 R070LD10 v i out r l test circuit for critical rate for ripple rejection ~ ei v ~ eo + f=120hz sine wave ,ei(rms)=0.5v , v in =5v, v out =3.3v(r 1 =1k ? ) i out =0.3a, rr=20log{ei(rms)/eo(rms)} c o 10 f c i 1 f
R070LD10 linear integrated circuit unisonic technologies co., ltd 7 of 10 www.unisonic.com.tw qw-r101-024.c ? electrical characteristics measuring circuits(cont.) fixed voltage: c o 10 f 2 1 3 v out c i 1 f v in dc input 5 1 3 4 R070LD10 i c a a v i out r l test circuit for regulation portion a i q v out =v ref *(1+r 2 /r 1 ) r 1 =1k ? , v ref 1.23v v c =2.7v 1 2 5 3 v o v in dc input 5 1 3 4 R070LD10 v i out r l test circuit for critical rate for ripple rejection ~ ei v ~ eo + f=120hz sine wave ,ei(rms)=0.5v , v in =5v, v out =3.3v(r 1 =1k ? ) i out =0.3a, rr=20log{ei(rms)/eo(rms)} c o 10 f c i 1 f
R070LD10 linear integrated circuit unisonic technologies co., ltd 8 of 10 www.unisonic.com.tw qw-r101-024.c ? typical characteristics
R070LD10 linear integrated circuit unisonic technologies co., ltd 9 of 10 www.unisonic.com.tw qw-r101-024.c ? typical characteristics(cont.)
R070LD10 linear integrated circuit unisonic technologies co., ltd 10 of 10 www.unisonic.com.tw qw-r101-024.c 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.
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