unisonic technologies co., ltd 78mxx linear integrated circuit www.unisonic.com.tw 1 of 8 copyright ? 2005 unisonic technologies co., ltd qw-r101-004,f 3-terminal 0.5a positive voltage regulator description the utc 78mxx family is monolithic fixed voltage regulator integrated circuit. they are suitabl e for applications that required supply current up to 0.5a. features *output current up to 0.5a *fixed output voltage of 5v, 6v, 8v, 9v, 12v, 15v ,18v and 24v available *thermal overload shutdown protection *short circuit current limiting *output transistor soa protection to-92 1 to-126 1 to-220 1 to-126c 1 to-220f 1 *pb-free plating product number: 78mxxl ordering information order number pin assignment normal lead free plating package 1 2 3 packing 78mxx-t60-d-k 78mxxl-t60-d-k to-126 i g o bulk 78mxx-t6c-d-k 78mxxl-t6c-d-k to-126c i g o bulk 78mxx-t92-b-b 78mxxl-t92-b-b to-92 o g i tape box 78mxx-t92-b-k 78mxxl-t92-b-k to-92 o g i bulk 78mxx-ta3-d-t 78mxxl-ta3-d-t to-220 i g o tube 78mxx-tf3-d-t 78mxxl-tf3-d-t to-220f i g o tube 78mxxl-t60-d-k (1)packing type (3)package type (4)lead plating (5)output voltage (2)pin assignment (1) b: tape box, k: bulk, t: tube (2) refer to pin assignment (3) t60: to-126, t6c: to-126c, t92: to-92, ta 3: to-220, tf3: to-220f (4) l: lead free plating, blank: pb/sn (5) xx: refer to marking information
78mxx linear integrated circuit unisonic technologies co., ltd 2 of 8 www.unisonic.com.tw qw-r101-004,f marking information package voltage code marking to-220 to-220f 123 utc 78mxx voltage code date code lead plating to-126 to-126c 123 voltage code date code lead plating utc 78mxx to-92 05: 5v 06: 6v 08: 8v 09: 9v 12: 12v 15: 15v 18: 18v 24: 24v 123 utc 78mxx voltage code date code lead plating
78mxx linear integrated circuit unisonic technologies co., ltd 3 of 8 www.unisonic.com.tw qw-r101-004,f block diagram series pass element current generator soa protection starting circuit reference voltage error amplifier thermal protection input 1 output 3 gnd 2 r20 r19 reference voltage
78mxx linear integrated circuit unisonic technologies co., ltd 4 of 8 www.unisonic.com.tw qw-r101-004,f absolute maximum ratings (operating temperatur e range applies unless otherwise specified) parameter symbol rating unit v out =5~18v 35 v input voltage v out =24v v in 40 v output current i out 0.5 a power dissipation p d internally limited w operating junction temperature range t opr 0 ~ +125 c storage temperature range t stg -65 ~ +150 c note absolute maximum ratings are those val ues beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings onl y and functional device operat ion is not implied. electrical characteristics for utc78m05 (refer to the test circuits, t min Q t j Q 125 c, i out =350ma, v in =10v, unless otherwise s pecified,ci=0.33uf,co=0.1uf) parameter symbol test conditions min typ max unit t j =25 c 4.80 5.0 5.20 v output voltage v out i out =5ma ~ 350ma v in =7~ 20v 4.75 5.25 v t j =25 c, i out =5ma-0.5a 100 mv load regulation ? v out t j =25 c, i out =5ma-200ma 50 mv v in =7 ~ 25v, t j =25 c, i out =200ma 100 mv line regulation ? v out v in =8 ~ 25v, t j =25 c, i out =200ma 50 mv quiescent current i q t j =25 c 4.0 6.0 ma v in =8 ~ 25v, i out =200ma 0.8 ma quiescent current change ? i q i out =5ma-350ma 0.5 ma output noise voltage en 10hz<=f<=100khz 40 uv ripple rejection rr v in =8 ~ 18v, f=120hz i out =300ma 62 db peak output current i peak t j =25 c 700 ma short-circuit current i sc v in =35v, t j =25 c 300 ma dropout voltage v d t j =25 c, i out =500ma 2.0 v for utc78m06 (refer to the test circuits, t min Q t j Q 125 c, i out =350ma,v in =11v, unless otherwise spec ified, ci=0.33uf,co=0.1uf) parameter symbol test conditions min typ max unit t j =25 c, i out =5-350ma 5.76 6.0 6.24 v output voltage v out v in =8 ~ 21v, i out =5ma-350ma 5.70 6.30 v t j =25 c, i out =5ma-0.5a 120 mv load regulation ? v out t j =25 c, i out =5ma-200ma 60 mv v in =8v ~ 25v, t j =25 c, i out =200ma 100 mv line regulation ? v out v in =9v ~ 25v, t j =25 c, i out =200ma 50 mv quiescent current i q t j =25 c 4.0 6 ma i out =5ma ~ 350ma 0.5 ma quiescent current change ? i q v in =9v~ 25v, i out =200ma 0.8 ma output noise voltage en 10hz<=f<=100khz 45 uv ripple rejection rr v in =9v ~ 19v, f=120hz, t j =25 c i out =300ma 59 db peak output current i peak t j =25 c 700 ma short-circuit current i sc v in =35v, t j =25 c 300 ma dropout voltage v d t j =25 c 2.0 v
78mxx linear integrated circuit unisonic technologies co., ltd 5 of 8 www.unisonic.com.tw qw-r101-004,f electrical characteristics (cont.) for utc78m08 (refer to the test circuits, t min Q t j Q 125 c, i out =350ma, v in =14v, unless otherwise s pecified,ci=0.33uf,co=0.1uf) parameter symbol test conditions min typ max unit t j =25 c 7.68 8.0 8.32 v output voltage v out v in =10.5v ~ 23v, i out =5ma-350ma 7.60 8.40 v t j =25 c, i out =5ma-0.5a 160 mv load regulation ? v out t j =25 c, i out =5ma-200ma 80 mv v in =10.5v ~ 25v t j =25 c, i out =200ma 100 mv line regulation ? v out v in =11v ~ 25v t j =25 c, i out =200ma 50 mv quiescent current i q t j =25 c 4.0 6 ma v in =10.5v ~ 25v, i out =200ma 0.8 ma quiescent current change ? i q i out =5ma~ 350ma 0.5 ma output noise voltage en 10hz<=f<=100khz 52 uv ripple rejection rr v in =11.5v ~ 21.5v, f=120hz, i out =300ma 56 db peak output current i peak t j =25 c 700 ma short-circuit current i sc v in =35v, t j =25 c 300 ma dropout voltage v d t j =25 c, i out =500ma 2.0 v for utc78m09 (refer to the test circuits, t min Q t j Q 125 c, i out =350ma, v in =17v, unless otherwise s pecified,ci=0.33uf,co=0.1uf) parameter symbol test conditions min typ max unit t j =25 c 8.64 9 9.36 v output voltage v out v in =12.5v ~ 25v, i out =5ma-350ma 8.55 9.45 v t j =25 c, i out =5ma-0.5a 200 mv load regulation ? v out t j =25 c, i out =5ma-200ma 100 mv v in =12.5v~ 25 v t j =25 c, i out =200ma 100 mv line regulation ? v out v in =13v~ 25v t j =25 c, i out =200ma 50 mv quiescent current i q t j =25 c 4.1 6 ma v in =12.5v ~ 25v, i out =200ma 0.8 ma quiescent current change ? i q i out =5ma-350ma 0.5 ma output noise voltage en 10hz<=f<=100khz 65 uv ripple rejection rr v in =13v~ 23v, f=120hz i out =300ma 55 db peak output current i peak t j =25 c 700 ma short-circuit current i sc v in =35v, t j =25 c 300 ma dropout voltage v d t j =25 c, i out =500ma 2.0 v
78mxx linear integrated circuit unisonic technologies co., ltd 6 of 8 www.unisonic.com.tw qw-r101-004,f electrical characteristics (cont.) for utc78m12 (refer to the test circuits, t min Q t j Q 125 c, i out =350ma, v in =19v, unless otherwise s pecified,ci=0.33uf,co=0.1uf) parameter symbol test conditions min typ max unit t j =25 c 11.52 12.0 12.48 v output voltage v out v in =14.5v to 27v, i out =5ma-350ma 11.40 12.60 v t j =25 c,i out =5ma-0.5a 240 mv load regulation ? v out t j =25 c,i out =5ma-2a 120 mv v in =14.5v to 30v t j =25 c,i out =200ma 100 mv line regulation ? v out v in =16v to 30v t j =25 c,i out =200ma 50 mv quiescent current i q t j =25 c 4.1 6.0 ma v in =14.5v to 30v,i out =200ma 0.8 ma quiescent current change ? i q i out =5ma-350ma 0.5 ma output noise voltage en 10hz<=f<=100khz 75 uv ripple rejection rr v in =15v to 25v,f=120hz i out =300ma 55 db peak output current i peak t j =25 c 700 ma short-circuit current i sc v in =35v, t j =25 c 300 ma dropout voltage v d t j =25 c,i out =500ma 2.0 v for utc78m15 (refer to the test circuits, t min Q t j Q 125 c,i out =350ma,v in =23v, unless otherwise s pecified,ci=0.33uf,co=0.1uf) parameter symbol test conditions min typ max unit t j =25 c 14.40 15.0 15.60 v output voltage v out v in =17.5v ~ 30v, i out =5ma-350ma 14.25 15.75 v t j =25 c, i out =5ma-0.5a 300 mv load regulation ? v out t j =25 c, i out =5ma-200ma 150 mv v in =17.5v ~ 30v t j =25 c, i out =200ma 100 mv line regulation ? v out v in =20v ~ 30v t j =25 c, i out =200ma 50 mv quiescent current i q t j =25 c 4.1 6.0 ma v in =17.5v ~ 30v,i out =200ma 0.8 ma quiescent current change ? i q i out =5ma-350ma 0.5 ma output noise voltage en 10hz<=f<=100khz 90 uv ripple rejection rr v in =18.5v ~ 28.5v f=120hz,i out =300ma 54 db peak output current i peak t j =25 c 700 ma short-circuit current i sc v in =35v, t j =25 c 300 ma dropout voltage v d t j =25 c, i out =500ma 2.0 v
78mxx linear integrated circuit unisonic technologies co., ltd 7 of 8 www.unisonic.com.tw qw-r101-004,f electrical characteristics (cont.) for 78m18 (refer to the test circuits, t min Q t j Q 125 c,i out =350ma,v in =26v,unless otherwise s pecified,ci=0.33uf,co=0.1uf) parameter symbol test conditions min typ max unit t j =25 c 17.28 18.0 18.72 v output voltage v out v in =20.5v to 33v i out =5ma-350ma 17.10 18.90 v t j =25 c,i out =5ma-0.5a 360 mv load regulation ? v out t j =25 c,i out =5ma-200ma 180 mv v in =21v to 33v t j =25 c, i out =200ma 100 mv line regulation ? v out v in =24v to 33v, t j =25 c, i out =200ma 50 mv quiescent current i q t j =25 c 4.2 6 ma v in =21v to 33v, i out =200ma 0.8 ma quiescent current change ? i q i out =5ma-350ma 0.5 ma output noise voltage en 10hzm<=f<=100khz 100 uv ripple rejection rr v in =22v to 32v,f=120hz i out =300ma 53 db peak output current i peak t j =25 c 700 ma short-circuit current i sc v in =35v, t j =25 c 300 ma dropout voltage v d t j =25 c 2.0 v for 78m24 (refer to the test circuits, t min Q t j Q 125 c,i out =350ma,v in =33v,unless otherwise s pecified,ci=0.33uf,co=0.1uf) parameter symbol test conditions min typ max unit t j =25 c 23.04 24.0 24.96 v output voltage v out v in =27v to 38v i out =5ma-350ma 22.80 25.20 v t j =25 c,i out =5ma-0.5a 480 mv load regulation ? v out t j =25 c,i out =5ma-200ma 240 mv v in =27v to 38v t j =25 c,i out =200ma 100 mv line regulation ? v out v in =28v to 38v t j =25 c,i out =200ma 50 mv quiescent current i q t j =25 c, 4.2 6.0 ma v in =27v to 38v,i out =200ma 0.8 ma quiescent current change ? i q i out =5ma-350ma 0.5 ma output noise voltage en 10hz<=f<=100khz 170 uv ripple rejection rr v in =28v to 38v,f=120hz i out =300ma 50 db peak output current i peak t j =25 c 700 ma short-circuit current i sc v in =35v, t j =25 c 300 ma dropout voltage v d t j =25 c 2.0 v note 1: the maximum steady state usabl e output current are dependent on input voltage, heat sinking, lead length of the package and copper pattern of pc b. the data above represents pul se test conditions with junction temperatures s pecified at the initiation of test. note 2: power dissipation<0.5w
78mxx linear integrated circuit unisonic technologies co., ltd 8 of 8 www.unisonic.com.tw qw-r101-004,f application circuit utc78mxx 3 2 1 c0 0.1 f c1 0.33 f vo ut v in note 1: to specify an output voltage, substitute voltage value for "mxx". note 2: bypass capacitors are recommended for optimum stability and transient res ponse and should be located as close as possible to the regulators. 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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