utc ur133/a linear integrated circuit utc unisonic technologies co., ltd. 1 qw-r102-005, i 300/500ma low dropout linear voltage regulator description the utc ur133 / a is a 300/500ma fixed output voltage low dropout linear regulator. wide range of available output voltage fits most of applications. built-in output current-limiting most thermal-limiting provide maximal protection against any fault conditions. features *guaranteed 300/500ma 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 1.5v, 1.8v,2.2v, 2.5v, 2.7v , 2.8v , 2.9v ,3.0v, 3.3v , 3.5v , 3.7v , 4.7v , 5.0v applications *voltage regulator for lan card, cd-rom, and dvd *wireless communication systems sot-223 to-92 1 sot-89 1 3 2 1 pin description name function vout output gnd ground/adjustable vin positive power input
utc ur133/a linear integrated circuit utc unisonic technologies co., ltd. 2 qw-r102-005, i 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-89 d in gnd out 123 r133/a date code pin code voltage code a gnd out in b out gnd in c gnd in out to-92 d in gnd out 123 utc ur133/a voltage code date code pin code a gnd out in b out gnd in c gnd in out sot-223 15:1.5v 18:1.8v 22:2.2v 25:2.5v 27:2.7v 28:2.8v 29:2.9v 30:3.0v 33:3.3v 35:3.5v 37:3.7v 47:4.7v 50:5.0v ad: adjustable d in gnd out 12 3 ur133/a voltage code date code pin code absolute maximum ratings parameter min. typ. max. unit input voltage vin -0.3 12 v operating junction temperature range -40 125 c storage temperature range -65 150 c power dissipation sot-89 thermal resistance, r ojc =100 c/w thermal resistance, r oja =300 c/w to-92 thermal resistance, r oja =160 c/w sot-223 thermal resistance, r ojc =15 c/w thermal resistance r oja =60 c/w (est) 0.50 0.60 0.80 w
utc ur133/a linear integrated circuit utc unisonic technologies co., ltd. 3 qw-r102-005, i utc ur133/a 1.5v, 1.8v, 2.2v, 2.5v, 2.7v, 2.8v, 2.9v,3.0v electrical characteristics (ta=25 c, c in =1 f, c out =10 f, unless otherwise specified) parameter test conditions min typ. max units output voltage ur133/a i l =1ma, v in- v out =1.4v 1.47 1.77 2.16 2.45 2.65 2.74 2.84 2.94 1.50 1.80 2.20 2.50 2.70 2.80 2.90 3.00 1.53 1.83 2.24 2.55 2.75 2.86 2.96 3.06 v output voltage temperature coefficient 50 150 ppm/ c line regulation i l =1ma, v in- vout=2v~vin=9v 0.5 %v out load regulation (note 2) ur133 UR133A i l =1ma~300ma, v in- vout =2v i l =1ma~500ma, v in- vout =2v 10 10 30 50 mv mv current limit (note 3) ur133 UR133A v in-vout =2v, v out =0v 350 550 ma ma dropout voltage (note 4,5) 1.5 v standby current i l =0, v in =9v 3.0 ma utc ur133/a adj 3.3v, 3. 5v, 3.7v, 4.7v, 5.0v electrical characteristics (ta=25 c, c in =1 f, c out =10 f, unless otherwise specified) parameter test conditions min typ. max units adjustable (r1=120 ? ,r2=200 ? ,vout=3.3v) reference voltage vin-vo=2v, i l =1ma 1.238 1.250 1.262 v output voltage ur133/a i l =1ma, v in- v out =1.4v 3.23 3.43 3.63 4.61 4.90 3.30 3.50 3.70 4.70 5.00 3.37 3.57 3.77 4.79 5.10 v output voltage temperature coefficient 50 150 ppm/ c line regulation i l =1ma, v in- vout=2v~vin=12v 0.5 %v out load regulation (note 2) ur133 UR133A i l =1ma~300ma, v in- vout =2v i l =1ma~500ma, v in- vout =2v 10 10 30 50 mv mv current limit (note 3) ur133 UR133A v in-vout =2v, v out =0v 350 550 ma ma dropout voltage (note 4,5) 1.3 v standby current i l =0, v in =12v 5.0 ma note 1: guaranteed by design. note 2: regulation is measured at constant junction temperature, using pulsed on time. note 3: current limit is measured at constant junction temperature, using pulsed on time. note 4: dropout is measured at constant junction tem perature, using pulsed on time, and the criterion is v out inside target value 2%. note 5: dropout test is skipped at the condition of v in <3v.
utc ur133/a linear integrated circuit utc unisonic technologies co., ltd. 4 qw-r102-005, i typical application circuit utc ur133/a application information a 10 f (or larger) capacitor is recommended between v out and gnd for stability. the part may oscillate without the capacitor. any type of capacitor can be used, but not aluminum electrolytics when operating below -25 c. the capacitance may be increased without limit. a 1 f capacitor (or larger) should be placed between v in to gnd. ur133/a adjustable utc ur133/a + + v ref r1 r2 10 uf 1 uf v out v in 10 uf cr cr:10uf to improve ripple rejection v out =v ref (1+r2/r1)+i adj *r2 i adj + v in v out adj
utc ur133/a linear integrated circuit utc unisonic technologies co., ltd. 5 qw-r102-005, i ur133 output current, i out( ma) 45 6 7 8 0 100 200 910 250 300 input voltage (v) 11 12 3 50 150 13 v out =5.0v v out =4.7v v out =3.7v v out =3.5v v out =3.3v v out =2.5v output current v.s. input voltage ground current vs.input voltage input voltage (v) ground current (ma) 02 468 0 1 2 3 4 10 12 v out =1.5v,1.8v,2.2v,2.5v, 2.7v,2.8v,2.9v,3.0v v out =4.7v,5.0v v out =3.3v,3.5v,3.7v dropout voltage vs.load current load current (ma) dropout voltage (v) 0 50 100 150 200 0 1.2 1.3 1.4 1.5 250 300 1.6 1.7 v out =1.5v,1.8v,2.2v,2.5v,2.7v, v out =4.7v,5.0v v out =3.3v,3.5v,3.7v line transient response input voltage(v) 0 0.1 0.2 0.3 0.4 6 8 -50 0 0.5 0.6 50 100 time (ms) 0.7 output voltage (mv,ac) 0.8 0.9 1.0 i l =1ma v out =5.2v c out =1uf load transient response load current (ma) 00.51.0 1.5 2.0 0.1 150 -60 -40 2.5 3.0 -20 0 time (ms) 3.5 output voltage (mv,ac) 4.0 4.5 5.0 20 load transient response load current (ma) 00.51.0 1.5 2.0 0.1 150 -40 2.5 3.0 -20 0 time (ms) 3.5 output voltage (mv,ac) 4.0 4.5 5.0 20 v out =5.2v c out =1uf 40 2.8v,2.9v,3.0v
utc ur133/a linear integrated circuit utc unisonic technologies co., ltd. 6 qw-r102-005, i UR133A output current, i out( ma) 45 6 7 8 0 100 200 910 250 300 input voltage (v) 11 12 3 50 150 13 v out =4.7v v out =3.7v v out =3.5v v out =3.3v v out =2.5v 350 400 450 500 v out =5.0v output current v.s. input voltage ground current vs.input voltage input voltage (v) ground current (ma) 02468 0 1 2 3 4 10 12 v out =4.7v,5.0v v out =3.3v,3.5v,3.7v 5 6 v out =1.5v,1.8v,2.2v,2.5v,2.7v, dropout voltage vs.load current load current (ma) dropout voltage (v) 0 50 100 150 200 0 1.2 1.3 1.4 1.5 250300 1.6 1.7 500 450 400 350 v out =1.5v,1.8v,2.2v,2.5v,2.7v, v out =4.7v,5.0v v out =3.3v,3.5v,3.7v load transient response load current (ma) 00.20.4 0.6 0.8 0.1 250 -40 -20 1.0 1.2 0 20 time (ms) 1.4 1.6 1.8 2.0 40 v out =5.0v c out =1uf(tantalum) output voltage (mv,ac) load transient response load current (ma) 00.20.40.60.8 0.1 250 -40 -20 1.0 1.2 0 20 time (ms) 1.4 output voltage (mv,ac) 1.6 1.8 2.0 40 v out =5.0v c out =1uf(tantalum) line regulation response input voltage(v) 0 0.1 0.2 0.3 0.4 6 8 -50 0 0.5 0.6 50 100 time (ms) 0.7 output voltage (mv,ac) 0.8 0.9 1.0 i l =1ma v out =5.0v c out =1uf(tantalum) 2.8v, 2.9v, 3.0v 2.8v,2.9v,3.0v
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