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unisonic technologies co., ltd rxxld10 linear integrated circuit www.unisonic.com.tw 1 of 11 copyright ? 2015 unisonic technologies co., ltd qw-r102-025.g low voltage operation low power-loss voltage regulators ? features * operating under low voltag e range (minimum: 2.35v) input 2.5v, available output around 1.5 ~ 1.8v * low dissipation current * built-in overcurrent protection and over temperature protection functions 1 to-252-5 to-220f-4 1 sop-8 hsop-8 ? ordering information ordering number pin assignment lead free halogen free package 1 2 3 4 5 6 7 8 packing rxxld10l-tf4-t rxxld10g-tf4-t to-220f-4 i f o g - - - - tube rxxld10l-tn5-r rxxld10g-tn5-r to-252-5 i f o n g - - - tape reel - rxxld10g-s08-r sop-8 f i o n g g g g tape reel - rxxld10g-sh2-r hsop-8 f i o n g g g g tape reel note: pin assignment: i: input f: on/off o: output n: nc g: gnd
rxxld10 linear integrated circuit unisonic technologies co., ltd 2 of 11 1111 www.unisonic.com.tw qw-r102-025.g ? marking information package voltage code marking to-220f-4 to-252-5 sop-8 hsop-8 15:1.5v 18:1.8v 25:2.5v 03:3.0v 33:3.3v 05:5.0v 12:12v ? block diagram to-220f-4 to-252-5 2 5 1 3 specific ic sop-8/hsop-8
rxxld10 linear integrated circuit unisonic technologies co., ltd 3 of 11 1111 www.unisonic.com.tw qw-r102-025.g ? absolute maximum ratings (t a =25c, unless otherwise specified.) parameter symbol ratings unit input voltage v in 18 v on/off control terminal voltage (note 2) v c 18 v output current i out 1.0 a to-220f-4/to-252-5 8 w sop-8 2.78 w power dissipation (with infinite heat sink) hsop-8 p d 6.25 w junction temperature t j +150 operating temperature t opr -40 ~ +85 storage temperature t stg -40 ~ +150 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 in = v out (typ.) +1v, i out = 0.5a, v c = 2.7v, t a = 25 , unless otherwise specified.) parameter symbol test conditions min typ max unit r15ld10 2.35 18 r18ld10 2.35 18 r25ld10 v out +0.5 18 r03ld10 v out +0.5 18 r33ld10 v out +0.5 18 r05ld10 v out +0.5 18 input voltage r12ld10 v in v out +0.5 18 v r15ld10 1.45 1.5 1.55 r18ld10 1.75 1.8 1.85 r25ld10 2.438 2.5 2.562 r03ld10 2.925 3 3.075 r33ld10 3.218 3.3 3.382 r05ld10 4.875 5 5.125 output voltage r12ld10 v out 11.7 12 12.3 v load regulation ? v out i out = 5ma ~ 1a 0.2 2 % line regulation ? v out v in = v o (typ) +1v~v o (typ) +6v i out = 5ma 0.1 1 % on v c (on) 2 voltage for control (note 1) off v c (off) 0.8 v on i c (on) 200 current for control off i c (off) v c = 0.4v 2 a quiescent current i q i out = 0a 1 2 ma output off-state dissipation current i qs i out = 0a, v c = 0.4v 5 a i out = 1a 0.2 0.5 dropout voltage(note 2) v d i out = 1a (for r12ld10) 0.2 0.75 v temperature coefficient of output voltage t c v o t j = 0 ~ 125c, i out = 5ma 0.01 %/ ripple rejection rr refer to fig.2 45 60 db notes: 1. in case of opening control terminal pin 2, outpu t voltage turns off. 2. input voltage shall be the val ue when output voltage is 95% in comparison with the initial value.
rxxld10 linear integrated circuit unisonic technologies co., ltd 4 of 11 1111 www.unisonic.com.tw qw-r102-025.g ? test circuit to-220f-4 package fig.1 to-252-5 package fig.2 sop-8/hsop-8 package fig. 3
rxxld10 linear integrated circuit unisonic technologies co., ltd 5 of 11 1111 www.unisonic.com.tw qw-r102-025.g ? test circuit (cont.) to-220f-4 package fig.4 for ripple rejection to-252-5 package fig.5 for ripple rejection sop-8/hsop-8 package fig.6 for ripple rejection
rxxld10 linear integrated circuit unisonic technologies co., ltd 6 of 11 1111 www.unisonic.com.tw qw-r102-025.g ? typical application circuit to-220f-4 package load + v in 1 3 high : output on low or open : output off c in 4 2 vo ut co on/off fig. 7 to-252-5 package load + v in 1 3 high : output on low or open : output off c in 5 2 vo ut co on/off fig. 8 sop-8/hsop-8 package load + v in 2 3 high : output on low or open : output off c in 5~8 1 vo ut co on/off fig. 9
rxxld10 linear integrated circuit unisonic technologies co., ltd 7 of 11 1111 www.unisonic.com.tw qw-r102-025.g ? typical characteristics power dissipation, p d (w) output voltage, vo ut (v) 2 0 output voltage, vo ut (v) 1 1 1.8 1.5 0.5 0 1.2 v in = 2.35v v in = 2.5v overcurrent protection characteristics (r18ld10) output current, i o ut (a) 0.6 0.4 1.6 1.4 0.8 0.2 v in = 5v v in = 3.3v v in = 3v 2 0 output voltage, vo ut (v) 1 1.5 2.5 1.5 0.5 0 overcurrent protection characteristics (r25ld10) output current, i o ut (a) 0.5 2 1 v in = 5v v in = 3.3v v in = 3v v in = 4.5v v in = 3.6v 2 0 output voltage, vo ut (v) 1 3 1.5 0.5 0 2 v in = 5.5v overcurrent protection characteristics (r03ld10) output current, i o ut (a) 1 2.5 1.5 0.5 v in = 5v v in = 7v v in = 10v 2 0 output voltage, vo ut (v) 1 2 3.5 1.5 0.5 0 2.5 v in = 4.5v overcurrent protection characteristics (r33ld10) output current, i o ut (a) 1 3 1.5 0.5 v in = 5v v in = 10v v in = 7v v in = 4.5v v in = 5.5v
rxxld10 linear integrated circuit unisonic technologies co., ltd 8 of 11 1111 www.unisonic.com.tw qw-r102-025.g ? typical characteristics(cont.) output voltage, vo ut (v) output voltage, vo ut (v) output voltage, vo ut (v) output voltage, vo ut (v) output voltage, vo ut (v) output voltage, vo ut (v)
rxxld10 linear integrated circuit unisonic technologies co., ltd 9 of 11 1111 www.unisonic.com.tw qw-r102-025.g ? typical characteristics(cont.) output voltage, vo ut (v) output voltage, vo ut (v) output voltage, vo ut (v) output voltage, vo ut (v) operating current, i bias (ma) operating current, i bias (ma)
rxxld10 linear integrated circuit unisonic technologies co., ltd 10 of 11 1111 www.unisonic.com.tw qw-r102-025.g ? typical characteristics(cont.) 5 0 operating current, i bias (ma) 3 30 0 input voltage, v in (v) 12 4 10 r l = (io ut = 0a) r l = 2.5 (io ut = 1a) 5 0 operating current, i bias (ma) 3 30 0 circuit operating current vs. input voltage (r03ld10) input voltage, v in (v) 12 4 10 circuit operating current vs. input voltage (r25ld10) r l = 5 (io ut = 0.5a) 20 v c = 2.7v ta = room temp. c in = 0.33 f co = 47 f v c = 2.7v ta = room temp. c in = 0.33 f co = 47 f r l = 3 (io ut = 1a) r l = 6 (io ut = 0.5a) 20 r l = (io ut = 0a) 5 0 3 30 0 input voltage, v in (v) 12 4 10 r l = (io ut = 0a) r l = 3.3 (io ut = 1a) 125 0 50 1.4 -50 quescent current vs. junction temperature (rxxld10) -25 25 100 0.4 circuit operating current vs. input voltage (r33ld10) 20 v c = 2.7v ta = room temp. c in = 0.33 f co = 47 f 1 r l = 6.6 (io ut = 0.5a) i out = 0a v c = 2.7v 18: v in = 2.8v 15: v in = 2.5v 33: v in = 4.3v 30: v in = 4.0v 25: v in = 3.5v 1.2 0.8 0.6 0.2 75 0 junction temperature, t j ( ) dropout voltage, v d (v) ripple rejection, rr (db)
rxxld10 linear integrated circuit unisonic technologies co., ltd 11 of 11 1111 www.unisonic.com.tw qw-r102-025.g ? typical characteristics(cont.) 1 40 0.5 80 0 ripple rejection vs. output current (rxxld10) output current, io ut (a) 0.75 70 65 55 50 0.25 45 60 75 ei (rms) = 0.5v f = 120hz v c = 2.7v c o = 47 f ta = room temp. 015(v in = 3.5v) 018(v in = 3.8v) 025(v in = 4.5v) 030(v in = 5v) 033(v in = 5.3v) ripple rejection, rr (db) 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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