unisonic technologies co., lr1116/a linear integrated circuit www.unisonic.com.tw 1 copyright ? 2005 unisonic technologies co., qw-r102-022.f low drop fixed and adjustable positive voltage regulators description the utc lr1116/a is a low drop voltage regulator able to provide up to 0.8/1.0a of out put current, available also for adjustable version (v ref =1.25v). output consists of pnp power transistor. so that dr opout voltage can be extremely low. features * low dropout voltage (0.6v max.) * 2.85v device are suitable for scsi-2 active termination * output current up to 0.8/1.0a * adjustable version available.(v ref =1.25v) * internal current and thermal limit * available in 1%(at 25 c) and 2% in all temperature range sop-8 sot-223 1 to-220 to-252 to-263 1 1 1 to-263-3 1 1 sot-89 *pb-free plating product number: - lr1116l-xx - LR1116Al-xx ordering information order number normal lead free plating package pin assignment packing lr1116 -xx-aa3- - lr1116 l-xx-aa3- - sot-223 lr1116 -xx-ab3- - lr1116 l-xx-ab3- - sot-89 lr1116 -xx-ta3- - lr1116 l-xx-ta3- - to-220 lr1116 -xx-tn3- - lr1116 l-xx-tn3- - to-252 lr1116 -xx-tq2- - lr1116 l-xx-tq2- - to-263 lr1116 -xx-tq3- - lr1116 l-xx-tq3- - to-263-3 a: goi b: ogi c: gio d: igo lr1116 -xx-s08- - lr1116 l-xx-s08- - sop-8 gooixoox r: tape reel t: tube note: 1. : current code: blank: 800ma a: 1a 2. pin assignment: i:vin o:vout g:gnd x:nc 3. xx: output voltage, refer to marking information. example: lr1116l-285-aa3-b-t 800ma, 2.85v, sot-223 package, pin1:vout, pin2:ground, pin3:vin, packing by tube.
lr1116/a linear integrated circuit unisonic technologies co., ltd 2 www.unisonic.com.tw qw-r102-022.f marking information package voltage code marking sot-223 sot-89 12 3 lr1116 voltage code date code pin code current code to-220 to-252 to-263 to-263-3 12 :1.2v 15 :1.5v 18 :1.8v 25 :2.5v 285 :2.85v 30 :3.0v 33 :3.3v 36 :3.6v 50 :5.0v ad :adj 123 utc lr1116 voltage code date code pin code current code note: current code: blank: 0.8a a: 1a thermal data parameter symbol ratings unit sot-223 15 sot-89 15 sop-8 20 to-252 8 to-220 4 thermal resistance junction-case to-263 jc 4 c/w
lr1116/a linear integrated circuit unisonic technologies co., ltd 3 www.unisonic.com.tw qw-r102-022.f block diagram + - current limit therml shut down reference voltage v cc v cc v cc vo ut gnd application circuit v in c in 10 f utc lr1116/a v out c out 10 f
lr1116/a linear integrated circuit unisonic technologies co., ltd 4 www.unisonic.com.tw qw-r102-022.f absolute maximum ratings parameter symbol ratings unit dc input voltage v in 15 v operating juncti on temperature t opr 0 ~ +125 c storage temperature t stg -40 ~ +150 c note: 1. the device may be damaged while beyond absolute maximum rating. 2. the device is guaranteed to meet performance specifications within 0 c~70 c operation temperature range, and is assured by design from 0 c~125 c. electrical characteristics (ta=25 c, refer to the test circuits, t j =-0~125 c, c o =10 f, unless otherwise specified.) for lr1116/a-adj parameter symbol test conditions min. typ. max unit reference voltage v ref v in -v out =1.5v, i out =10ma, t j =25 c 1.238 1.25 1.262 v reference voltage v ref v in -v out =1v~10v lr1116 : i out =10 to 800ma LR1116A : i out =10 to 1000ma 1.225 1.275 v line regulation ? v out v in -v out =1v~13.75v, i out =10ma 0.1 0.6 % load regulation ? v out v in -v out =1v, lr1116 : i out =10 to 800ma LR1116A : i out =10 to 1000ma 2 3 % temperature stability ? v out 0.50 % long term stability ? v out 1000 hrs, t j =125 c 0.3 % operating input voltage v in 15 v adjustment pin current iadj v in 15v 60 120 a adjustment pin current change ? iadj v in -v out =1v~10v, lr1116 : i out =10 to 800ma LR1116A : i out =10 to 1000ma 1 5 a minimum load current i out(min) v in =15v 2 5 ma output current i out v in -v out =4.5v, t j =25 c 800 950 1200 ma output noise (%v out ) en b=10hz~10khz, t j =25 c 0.003 % supply voltage rejection svr i out =40ma, f=120hz, t j =25 c, v in -v out =2.5v, v ripple =1vpp 60 75 db dropout voltage v d i out = 100ma i out = 500ma i out = 800ma i out =1000ma 0.4 0.6 0.8 0.9 v v v v thermal regulation ta=25 c, 30ms pulse 0.01 0.10 %/w
lr1116/a linear integrated circuit unisonic technologies co., ltd 5 www.unisonic.com.tw qw-r102-022.f electrical characteristics (cont.) for lr1116/a-fixed(v out 3.0v) parameter symbol test conditions min. typ. max. unit 1% v out 0.99 v out v out 1.01 output voltage v out v in =v out +1.5v, i out =10ma, t j =25 c 2% v out 0.98 v out 1.02 v output voltage v out v in =(v out +2v)~15v lr1116 : i out =0 to 800ma LR1116A : i out =0 to 1000ma v out 0.98 v out v out 1.02 v line regulation ? v out v in =(v out +2v)~15v, io=0ma 0.1 0.6 % load regulation ? v out v in =v out +2v lr1116 : i out =0 to 800ma LR1116A : i out =0 to 1000ma 2 3 % temperature stability ? v out 0.5 % long term stability ? v out 1000 hrs, t j =125 c 0.3 % operating input voltage v in i out =100ma 15 v quiescent current i d v in 10v 5 10 ma output current i out v in =v out +4.5v, t j =25 c 800 950 1200 ma output noise voltage en b=10hz~10khz, t j =25 c 100 v supply voltage rejection svr i out =40ma, f=120hz, t j =25 c v in =v out +2.5v, v ripple =1vpp 60 75 db dropout voltage v d i out = 100ma i out = 500ma i out = 800ma i out =1000ma 0.4 0.6 0.8 0.9 v v v v thermal regulation ta=25 c, 30ms pulse 0.01 0.10 %/w for lr1116/a-fixed(v out R 3.0v) parameter symbol test conditions min. typ. max. unit output voltage v out v in =v out +1.5v, i out =10ma,t j =25 c v out 0.99 v out v out 1.01 v output voltage v out v in =(v out +2v)~15v lr1116 : i out =0 to 800ma LR1116A : i out =0 to 1000ma v out 0.98 v out v out 1.02 v line regulation ? v out v in =(v out +2v)~15v, i out =0ma 0.1 0.6 % load regulation ? v out v in =v out +2v lr1116 : i out =0 to 800ma LR1116A : i out =0 to 1000ma 2 3 % temperature stability ? v out 0.5 % long term stability ? v out 1000 hrs, t j =125 c 0.3 % operating input voltage v in i out =100ma 15 v quiescent current i d v in 10v 5 10 ma output current i out v in =v out +4.5v, t j =25 c 800 950 1200 ma output noise voltage en b=10hz ~ 10khz, t j =25 c 100 v supply voltage rejection svr i o =40ma, f=120hz, t j =25 c v in =v out +2.5v, v ripple =1vpp 60 75 db dropout voltage v d i out = 100ma i out = 500ma i out = 800ma i out =1000ma 0.3 0.4 0.6 0.7 v v v v thermal regulation ta=25 c, 30ms pulse 0.01 0.10 %/w
lr1116/a linear integrated circuit unisonic technologies co., ltd 6 www.unisonic.com.tw qw-r102-022.f typical performance characteristics fig.1 reference voltge vs. temperature fig.2 output voltage vs. temperautre -75 junction temperature( ) reference voltage (v) junction temperature( ) -75 output voltage (v) 3.10 1.200 1.205 1.210 1.215 1.220 1.225 1.230 1.235 1.240 1.245 1.250 -50 -25 0 25 50 75 100125150175 3.15 3.20 3.25 3.30 3.35 3.40 3.45 3.50 3.55 3.60 -50 -25 0 25 50 75 100125150175 v out =3.3v v out set with 1% resistors fig.3 maximum power dissipation 25 65 105 4 6 8 10 case temperature( ) power (w) to-263 & to-252 sot-223 2 45 85 125 0 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 writt en 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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