unisonic technologies co., ltd 378rxx preliminary linear integrated circuit www.unisonic.com.tw 1 of 8 copyright ? 2018 unisonic technologies co., ltd qw-r102-049.c 4 terminal 3a output low drop voltage regulator ? description the utc 378rxx series are low drop voltage regulator suitable for various electronic equipments. it provides constant voltage power source with to-220 4 terminal lead full molded pkg. the regulator has multi function such as over current protection, overheat protection and on/off control. ? features *3.0a output low drop voltage regulator. * built in on/off control terminal. * built in over current protecti on, over heat protection function. 1 to-220f-4 ? ordering information ordering number lead free halogen free package packing 378rxxl-tf4-t 378rxxg-tf4-t to-220f-4 tube note: xx: output voltage, refer to marki ng information.
378rxx preliminary linear integrated circuit unisonic technologies co., ltd 2 of 8 www.unisonic.com.tw qw-r102-049.c ? marking information package voltage code marking to-220f-4 33: 3.3v 05: 5.0v 06: 6.0v 08: 8.0v 09: 9.0v 10: 10v 12: 12v 15: 15v ? pin configuration ? pin description pin no. pin name description 1 v in input dc supply voltage 2 v out output voltage pin 3 gnd ground pin for the ic 4 control on/off control pin
378rxx preliminary linear integrated circuit unisonic technologies co., ltd 3 of 8 www.unisonic.com.tw qw-r102-049.c ? block diagram bandgap reference aso protection v in v o gnd 1 3 2 control 4 output on/off control over heat protection
378rxx preliminary linear integrated circuit unisonic technologies co., ltd 4 of 8 www.unisonic.com.tw qw-r102-049.c ? absolute maximum rating (t a =25c, unless otherwise specified) parameter symbol remark ratings unit input voltage v in 35 v on/off control voltage v c 35 v output current i o 3 a power dissipation 1 p d1 no heatsink 1.5 w junction temperature t j +125 c operating temperature t opr -20 ~ +80 c storage temperature t stg -30 ~ +125 c soldering temperature (10sec) t sol +260 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. ? electrical characteristics (unless otherwise specified, i o =1.0a, t a = 25c, unless otherwise specified) for 378r33 (v in =5v) parameter symbol test conditions min typ max unit output voltage v o 3.201 3.3 3.399 v load regulation reg load i o =5ma~3a 0.1 2.0 % line regulation reg line v in =6~12v 0.5 2.5 % ripple rejection r r 45 55 db drop out voltage (note) v d i o =3a 0.8 v output on state for control voltage v c(on) 2.0 v output on state for control current i c(on) v c =2.7v 20 a output off state fo r control voltage v c(off) 0.8 v output off state fo r control current i c(off) v c =0.4v 0.4 ma quiescent current i q i o =0 10 ma for 378r05 (v in =7v) parameter symbol test conditions min typ max unit output voltage v o 4.88 5.0 5.12 v load regulation reg load i o =5ma~3a 0.1 2.0 % line regulation reg line v in =6~12v 0.5 2.5 % ripple rejection r r 45 55 db drop out voltage (note) v d i o =3a 0.8 v output on state for control voltage v c(on) 2.0 v output on state for control current i c(on) v c =2.7v 20 a output off state fo r control voltage v c(off) 0.8 v output off state fo r control current i c(off) v c =0.4v 0.4 ma quiescent current i q i o =0 10 ma for 378r06 (v in =8v) parameter symbol test conditions min typ max unit output voltage v o 5.85 6.0 6.15 v load regulation reg load i o =5ma~3a 0.1 2.0 % line regulation reg line v in =7~15v 0.5 2.5 % ripple rejection r r 45 55 db drop out voltage (note) v d i o =3a 0.8 v output on state for control voltage v c(on) 2.0 v output on state for control current i c(on) v c =2.7v 20 a output off state fo r control voltage v c(off) 0.8 v output off state fo r control current i c(off) v c =0.4v 0.4 ma quiescent current i q i o =0 10 ma
378rxx preliminary linear integrated circuit unisonic technologies co., ltd 5 of 8 www.unisonic.com.tw qw-r102-049.c ? electrical characteristics (cont.) for 378r08 (v in =10v) parameter symbol test conditions min typ max unit output voltage v o 7.80 8.0 8.20 v load regulation reg load i o =5ma~3a 0.1 2.0 % line regulation reg line v in =9~25v 0.5 2.5 % ripple rejection r r 45 55 db drop out voltage (note) v d i o =3a 0.8 v output on state for control voltage v c(on) 2.0 v output on state for control current i c(on) v c =2.7v 20 a output off state fo r control voltage v c(off) 0.8 v output off state fo r control current i c(off) v c =0.4v 0.4 ma quiescent current i q i o =0 10 ma for 378r09 (v in =15v) parameter symbol test conditions min typ max unit output voltage v o 8.78 9.0 9.22 v load regulation reg load i o =5ma~3a 0.1 2.0 % line regulation reg line v in =10~25v 0.5 2.5 % ripple rejection r r 45 55 db drop out voltage (note) v d i o =3a 0.8 v output on state for control voltage v c(on) 2.0 v output on state for control current i c(on) v c =2.7v 20 a output off state fo r control voltage v c(off) 0.8 v output off state fo r control current i c(off) v c =0.4v 0.4 ma quiescent current i q i o =0 10 ma for 378r10 (v in =16v) parameter symbol test conditions min typ max unit output voltage v o 9.75 10.0 10.25 v load regulation reg load i o =5ma~3a 0.1 2.0 % line regulation reg line v in =11~26v 0.5 2.5 % ripple rejection r r 45 55 db drop out voltage (note) v d i o =3a 0.8 v output on state for control voltage v c(on) 2.0 v output on state for control current i c(on) v c =2.7v 20 a output off state fo r control voltage v c(off) 0.8 v output off state fo r control current i c(off) v c =0.4v 0.4 ma quiescent current i q i o =0 10 ma for 378r12 (v in =18v) parameter symbol test conditions min typ max unit output voltage v o 11.70 12.0 12.30 v load regulation reg load i o =5ma~3a 0.1 2.0 % line regulation reg line v in =13~29v 0.5 2.5 % ripple rejection r r 45 55 db drop out voltage (note) v d i o =3a 0.8 v output on state for control voltage v c(on) 2.0 v output on state for control current i c(on) v c =2.7v 20 a output off state fo r control voltage v c(off) 0.8 v output off state fo r control current i c(off) v c =0.4v 0.4 ma quiescent current i q i o =0 10 ma
378rxx preliminary linear integrated circuit unisonic technologies co., ltd 6 of 8 www.unisonic.com.tw qw-r102-049.c ? electrical characteristics (cont.) for 378r15 (v in =21v) parameter symbol test conditions min typ max unit output voltage v o 14.70 15.0 15.30 v load regulation reg load i o =5ma~3a 0.1 2.0 % line regulation reg line v in =16~32v 0.5 2.5 % ripple rejection r r 45 55 db drop out voltage (note) v d i o =3a 0.8 v output on state for control voltage v c(on) 2.0 v output on state for control current i c(on) v c =2.7v 20 a output off state fo r control voltage v c(off) 0.8 v output off state fo r control current i c(off) v c =0.4v 0.4 ma quiescent current i q i o =0 10 ma note: input voltage shall be the value when output volta ge is 95% in comparison with the initial value.
378rxx preliminary linear integrated circuit unisonic technologies co., ltd 7 of 8 www.unisonic.com.tw qw-r102-049.c ? test circuit
378rxx preliminary linear integrated circuit unisonic technologies co., ltd 8 of 8 www.unisonic.com.tw qw-r102-049.c ? typical application circuit 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. utc reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. this document supersedes and replaces all information supplied prior to the publication hereof.
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