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unisonic technologies co., ltd lm78xx linear integrated circuit www.unisonic.com.tw 1 of 10 copyright ? 2009 unisonic technologies co., ltd qw-r101-006.m 3-terminal 1a positive voltage regulator ? description the utc lm78xx family is monolithic fixed voltage regulator integrated circuit. they are suitabl e for applications that required supply current up to 1 a. ? features * output current up to 1a * fixed output voltage of 4.7v,5v, 6v, 7v, 8v, 9v, 10v, 12v, 15v, 18v and 24v available * thermal overload shutdown protection * short circuit current limiting * output transistor soa protection lead-free: lm78xxl halogen-free:lm78xxg ? ordering information order number pin assignment normal lead free halogen free package 1 2 3 packing lm78xx-ta3-t lm78xxl-ta3-t lm78xxg-ta3-t to-220 i g o tube lm78xx-tf3-t lm78xxl-tf3-t lm78xxg-tf3-t to-220f i g o tube note: pin assignment: o: output g: gnd i: input
lm78xx linear integrated circuit unisonic technologies co., ltd 2 of 10 www.unisonic.com.tw qw-r101-006.m ? marking information package voltage code marking to-220 to-220f 47: 05: 06: 07: 08: 09: 10: 12: 15: 18: 24: 4.7 v 5.0 v 6.0 v 7.0 v 8.0 v 9.0 v 1 . 0 v 1 . 2 v 1 . 5 v 1 . 8 v 2 . 4 v
lm78xx linear integrated circuit unisonic technologies co., ltd 3 of 10 www.unisonic.com.tw qw-r101-006.m ? test circuit ? application circuit utc lm78xx 3 2 1 c o =0.1 f c i =0.33 f v in v out note 1: to specify an output voltage, substitute voltage value for "xx". 2: bypass capacitors are recommended for optimum stab ility and transient response and should be located as close as possible to the regulators.
lm78xx linear integrated circuit unisonic technologies co., ltd 4 of 10 www.unisonic.com.tw qw-r101-006.m ? absolute maximum ratings (operating temperature range applies unless otherwise specified) parameter symbol rating unit v out =4.7~18v 35 v input voltage v out =24v v in 40 v output current i out 1 a power dissipation p d internally limited w operating junction temperature t opr -20 ~ +150 c storage temperature t stg -55 ~ +150 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. ? thermal data parameter symbol rating unit junction to ambient ja 65 c/w junction to case jc 5 c/w ? electrical characteristics (i out =0.5a, t j = 0c~125c, c i =0.33 f, c o =0.1 f, unless otherwise specified)(note 1) for utc lm7847 (v in =9.7v) parameter symbol test conditions min typ max unit t j =25c, i out =5ma ~ 1.0a 4.512 4.70 4.888 v output voltage v out v in =7.2v ~ 19.7v, i out =5ma ~ 1.0a, p d 15w 4.465 4.935 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma ~ 1.0a 47 mv load regulation v out t j =25c,i out =0.25a ~ 0.75a 24 mv v in =7.2v ~ 19.7v, t j =25c 47 mv line regulation v out v in =7.2v ~ 19.7v, t j =25c, i out =1.0a 47 mv quiescent current i q t j =25c, i out 1.0a 8.0 ma v in =7.2v ~ 19.7v 1.0 ma quiescent current change i q i out =5ma ~ 1.0a 0.5 ma output noise voltage en 10hz f 100khz 40 v temperature coefficient of vo vo/ t i out =5ma -0.6 mv/c ripple rejection rr v in =7.7v ~17.7v, f=120hz, t j =25c 62 80 db peak output current i peak t j =25c 1.8 a short-circuit current i sc v in =35v, t j =25c 250 ma for utc lm7805 (v in =10v) parameter symbol test conditions min typ max unit t j =25c, i out =5ma ~ 1.0a 4.80 5.0 5.20 v output voltage v out v in =7.5v ~ 20v, i out =5ma ~ 1.0a,p d 15w 4.75 5.25 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma ~ 1.0a 50 mv load regulation v out t j =25c,i out =0.25a ~ 0.75a 25 mv v in =7v ~ 25v, t j =25c 50 mv line regulation v out v in =7.5v ~ 20v, t j =25c, i out =1.0a 50 mv quiescent current i q t j =25c, i out 1.0a 8.0 ma v in =7.5v ~ 20v 1.0 ma quiescent current change i q i out =5ma ~ 1.0a 0.5 ma output noise voltage en 10hz f 100khz 40 v temperature coefficient of vo vo/ t i out =5ma -0.6 mv/c ripple rejection rr v in =8v ~ 18v,f=120hz, t j =25c 62 80 db peak output current i peak t j =25c 1.8 a short-circuit current i sc v in =35v, t j =25c 250 ma
lm78xx linear integrated circuit unisonic technologies co., ltd 5 of 10 www.unisonic.com.tw qw-r101-006.m ? electrical characteristics(cont.) for utc lm7806 (v in =11v) parameter symbol test conditions min typ max unit t j =25c, i out =5ma ~ 1.0a 5.76 6.0 6.24 v output voltage v out v in =8.5v ~ 21v, i out =5ma ~ 1.0a, p d 15w 5.70 6.30 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma ~ 1.0a 60 mv load regulation v out t j =25c,i out =0.25a~ 0.75a 30 mv v in =8v ~ 25v, t j =25c 60 mv line regulation v out v in =8.5v ~ 21v, t j =25c,i out =1.0a 60 mv quiescent current i q t j =25c, i out 1.0a 8.0 ma v in =8.5v ~ 21v 1.0 ma quiescent current change i q i out =5ma ~ 1.0a 0.5 ma output noise voltage en 10hz f 100khz 45 v temperature coefficient of vo vo/ t i out =5ma -0.7 mv/c ripple rejection rr v in =9v ~ 19v,f=120hz, t j =25c 59 75 db peak output current i peak t j =25c 1.8 a short-circuit current i sc v in =35v, t j =25c 250 ma for utc lm7807 (v in =13v) parameter symbol test conditions min typ max unit t j =25c, i out =5ma - 1.0a 6.72 7.0 7.28 v output voltage v out v in =9.5v ~ 22v, i out =5ma ~ 1.0a, p d 15w 6.65 7.35 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma ~ 1.0a 70 mv load regulation v out t j =25c,i out =0.25a ~ 0.75a 35 mv v in =9v ~ 25v, t j =25c 70 mv line regulation v out v in =9.5v ~ 22v, t j =25c,i out =1.0a 70 mv quiescent current i q t j =25c, i out 1.0a 8.0 ma v in =9.5v ~ 22v 1.0 ma quiescent current change i q i out =5ma ~ 1.0a 0.5 ma output noise voltage en 10hz f 100khz 50 v temperature coefficient of vo vo/ t i out =5ma -0.8 mv/c ripple rejection rr v in =10v ~ 20v,f=120hz, t j =25c 59 75 db peak output current i peak t j =25c 1.7 a short-circuit current i sc v in =35v, t j =25c 250 ma
lm78xx linear integrated circuit unisonic technologies co., ltd 6 of 10 www.unisonic.com.tw qw-r101-006.m ? electrical characteristics(cont.) for utc lm7808 (v in =14v) parameter symbol test conditions min typ max unit t j =25c, i out =5ma~ 1.0a 7.68 8.0 8.32 v output voltage v out v in =10.5v ~ 23v, i out =5ma ~ 1.0a, p d 15w 7.60 8.40 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma ~ 1.0a 80 mv load regulation v out t j =25c,i out =0.25a ~ 0.75a 40 mv v in =10.5v ~ 25v, t j =25c 80 mv line regulation v out v in =10.5v ~ 23v, t j =25c,i out =1.0a 80 mv quiescent current i q t j =25c, i out 1.0a 8.0 ma v in =10.5v ~ 23v 1.0 ma quiescent current change i q i out =5ma ~ 1.0a 0.5 ma output noise voltage en 10hz f 100khz 58 v temperature coefficient of vo vo/ t i out =5ma -0.9 mv/c ripple rejection rr v in =11.5v ~ 21.5v, f=120hz, t j =25c 56 72 db peak output current i peak t j =25c 1.8 a short-circuit current i sc v in =35v, t j =25c 250 ma for utc lm7809 (v in =15v) parameter symbol test conditions min typ max unit t j =25c, i out =5ma ~ 1.0a 8.64 9.0 9.36 v output voltage v out v in =11.5v ~ 24v, i out =5ma ~ 1.0a,p d 15w 8.55 9.45 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma ~ 1.0a 90 mv load regulation v out t j =25c,i out =0.25a ~ 0.75a 45 mv v in =11.5v ~ 25 v, t j =25c 90 mv line regulation v out v in =11.5v ~ 24v, t j =25c, i out =1.0a 90 mv quiescent current i q t j =25c, i out 1.0a 8.0 ma v in =11.5v ~ 24v 1.0 ma quiescent current change i q i out =5ma ~ 1.0a 0.5 ma output noise voltage en 10hz f 100khz 58 v temperature coefficient of vo vo/ t i out =5ma -1.1 mv/c ripple rejection rr v in =12.5v ~ 22.5v,f=120hz, t j =25c 56 72 db peak output current i peak t j =25c 1.8 a short-circuit current i sc v in =35v, t j =25c 250 ma
lm78xx linear integrated circuit unisonic technologies co., ltd 7 of 10 www.unisonic.com.tw qw-r101-006.m ? electrical characteristics(cont.) for utc lm7810 (v in =16v) parameter symbol test conditions min typ max unit t j =25c, i out =5ma ~ 1.0a 9.60 10.0 10.40 v output voltage v out v in =12.5v ~ 25v, i out =5ma ~ 1.0a,p d 15w 9.50 10.50 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma - 1.0a 100 mv load regulation v out t j =25c,i out =0.25a - 0.75a 50 mv v in =13v ~ 25v, t j =25c 100 mv line regulation v out v in =13v ~ 25v, t j =25c,i out =1.0a 100 mv quiescent current i q t j =25c, i out 1.0a 8.0 ma v in =12.6v ~ 25v 1.0 ma quiescent current change i q i out =5ma - 1.0a 0.5 ma output noise voltage en 10hz f 100khz 58 v temperature coefficient of vo vo/ t i out =5ma -1.1 mv/c ripple rejection rr v in =13v - 23v,f=120hz, t j =25c 56 72 db peak output current i peak t j =25c 1.8 a short-circuit current i sc v in =35v, t j =25c 250 ma for utc lm7812 (v in =19v) parameter symbol test conditions min typ max unit t j =25c, i out =5ma ~ 1.0a 11.52 12.0 12.48 v output voltage v out v in =14.5v ~ 27v, i out =5ma ~ 1.0a,p d 15w 11.40 12.60 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma ~ 1.0a 120 mv load regulation v out t j =25c,i out =0.25a ~ 0.75a 60 mv v in =14.5v ~ 30v, t j =25c 120 mv line regulation v out v in =14.6v ~ 27v, t j =25c, i out =1.0a 120 mv quiescent current i q t j =25c, i out 1.0a 8.0 ma v in =14.5v ~ 30v 1.0 ma quiescent current change i q i out =5ma ~ 1.0a 0.5 ma output noise voltage en 10hz f 100khz 75 v temperature coefficient of vo vo/ t i out =5ma -1.5 mv/c ripple rejection rr v in =15v - 25v,f=120hz, t j =25c 55 72 db peak output current i peak t j =25c 1.8 a short-circuit current i sc v in =35v, t j =25c 250 ma
lm78xx linear integrated circuit unisonic technologies co., ltd 8 of 10 www.unisonic.com.tw qw-r101-006.m ? electrical characteristics(cont.) for utc lm7815 (v in =23v) parameter symbol test conditions min typ max unit t j =25c, i out =5ma ~ 1.0a 14.40 15.0 15.60 v output voltage v out v in =17.5v ~ 30v, i out =5ma ~ 1.0a,p d 15w 14.25 15.75 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma ~ 1.0a 150 mv load regulation v out t j =25c,i out =0.25a ~ 0.75a 75 mv v in =18.5v ~ 30v, t j =25c 150 mv line regulation v out v in =17.7v ~ 30v, t j =25c, i out =1.0a 150 mv quiescent current i q t j =25c, i out 1.0a 8.0 ma v in =17.5v ~ 30v 1.0 ma quiescent current change i q i out =5ma ~ 1.0a 0.5 ma output noise voltage en 10hz f 100khz 90 v temperature coefficient of vo vo/ t i out =5ma -1.8 mv/ c ripple rejection rr v in =18.5v ~ 28.5v,f=120hz, t j =25c 54 70 db peak output current i peak t j =25c 1.8 a short-circuit current i sc v in =35v, t j =25c 250 ma for utc lm7818 (v in =27v) parameter symbol test conditions min typ max unit t j =25c, i out =5ma ~ 1.0a 17.28 18.0 18.72 v output voltage v out v in =21v ~ 33v, i out =5ma ~ 1.0a, p d 15w 17.10 18.90 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma ~ 1.0a 180 mv load regulation v out t j =25c,i out =0.25a ~ 0.75a 90 mv v in =21v ~ 33v, t j =25c 180 mv line regulation v out v in =21v ~ 33v, t j =25c, i out =1.0a 180 mv quiescent current i q t j =25c, i out 1.0a 8.0 ma v in =21.5v ~ 33v 1.0 ma quiescent current change i q i out =5ma ~ 1.0a 0.5 ma output noise voltage en 10hz f 100khz 110 v temperature coefficient of vo vo/ t i out =5ma -2.2 mv/c ripple rejection rr v in =22v ~ 32v,f=120hz, t j =25c 53 69 db peak output current i peak t j =25c 1.8 a short-circuit current i sc v in =35v, t j =25c 250 ma
lm78xx linear integrated circuit unisonic technologies co., ltd 9 of 10 www.unisonic.com.tw qw-r101-006.m ? electrical characteristics(cont.) for utc lm7824 (v in =33v) parameter symbol test conditions min typ max unit t j =25c, i out =5ma ~ 1.0a 23.04 24.0 24.96 v output voltage v out v in =27v ~ 38v, i out =5ma ~ 1.0a, ,p d 15w 22.80 25.20 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma ~ 1.0a 240 mv load regulation v out t j =25 c,i out =0.25a ~ 0.75a 120 mv v in =27v ~ 38v, t j =25c 240 mv line regulation v out v in =27v ~ 38v, t j =25c,i out =1.0a 240 mv quiescent current i q t j =25c, i out 1.0a 8.0 ma v in =28v ~ 38v 1.0 ma quiescent current change i q i out =5ma ~ 1.0a 0.5 ma output noise voltage en 10hz f 100khz 170 v temperature coefficient of vo vo/ t i out =5ma -2.8 mv/c ripple rejection rr v in =28v ~ 38v, f=120hz, t j =25c 50 66 db peak output current i peak t j =25c 1.8 a short-circuit current i sc v in =35v, t j =25c 250 ma note 1: the maximum steady state us able output current are depe ndent on input voltage, heat sinking, lead length of the package and copper pattern of pcb. the data above represents pulse test conditions with junction temperatures specified at the initiation of test. note 2: power dissipation<0.5w
lm78xx linear integrated circuit unisonic technologies co., ltd 10 of 10 www.unisonic.com.tw qw-r101-006.m ? typical characteristics ambient temperature vs. power dissipation output voltage vs. ambient temperature -50 -25 0 75 8 12 14 16 ambient temperature, ta ( ) power dissiaption, pd (w) ambient temperature, ta ( ) -50 0 50 100 output volatge (v) 4.8 4.9 5.0 5.1 5.2 hs =0 /w 4 25 50 0 105 125 150 jc =5 /w ja =65 /w t j(max) =150 no heatsink hs =5 /w hs =15 /w dropout voltage 0 25 50 100 1.0 1.5 2.0 2.5 junction temperature, t j ( ) input output di fferentional (v) 0.5 dropout conditions v out =2% of v out 75 125 i out =1.0ma i out =40ma i out =70ma 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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