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78mxx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 20 july 2011 1 positive-voltage regulator ? description ? features ? typical application ? applications ? three terminal regulators. ? output current up to 500ma ? no external components. ? internal thermal overload protection. ? internal short-circuit limiting. ? linear regulator ? microprocessor power supply ? graphic card ? mother board the 78mxx series are fixed-voltage monolithic integrated circuit voltage regulators are designed for a wide range of applications. these applications include on-card regulation for elimination of noise and distribution problems associated with single-point regulation. in addition, they can be used with power-pass elements to make high-current voltage regulators. each of these regulators can deliver up to 500ma of output current. c in c out v out v in 78mxx ? pin description in gnd out in gnd out et-
78mxx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 20 july 2011 2 ? ordering information pin assignment part number temperature range package input gnd output packing 78m05ui to-252 1 2 3 tape & reel 78m05ubi -40 o c ~ +125 o c to-251 1 2 3 tube 78m06ui to-252 1 2 3 tape & reel 78m06ubi -40 o c ~ +125 o c to-251 1 2 3 tube 78m08ui to-252 1 2 3 tape & reel 78m08ubi -40 o c ~ +125 o c to-251 1 2 3 tube 78m09ui to-252 1 2 3 tape & reel 78m09ubi -40 o c ~ +125 o c to-251 1 2 3 tube 78m10ui to-252 1 2 3 tape & reel 78m10ubi -40 o c ~ +125 o c to-251 1 2 3 tube 78m12ui to-252 1 2 3 tape & reel 78m12ubi -40 o c ~ +125 o c to-251 1 2 3 tube 78m15ui to-252 1 2 3 tape & reel 78m15ubi -40 o c ~ +125 o c to-251 1 2 3 tube 78m18ui to-252 1 2 3 tape & reel 78m18ubi -40 o c ~ +125 o c to-251 1 2 3 tube 78m20ui to-252 1 2 3 tape & reel 78m20ubi -40 o c ~ +125 o c to-251 1 2 3 tube 78m24ui to-252 1 2 3 tape & reel 78m24ubi -40 o c ~ +125 o c to-251 1 2 3 tube ? absolute maximum ratings value symbol parameter 78m05~78m18 78m20~78m24 unit v in input voltage 35 40 v i out output current 0.5 a t a operating ambient te mperature -40 ~ +125 o c t j operating junction temperature 0 ~ +150 o c t stg storage temperature -65 ~ +150 o c t lead lead temperature 1.6mm from case for 10 seconds 260 o c ? thermal characteristics symbol parameter package typical value unit to-252 62.5 ja thermal resistance from junction to ambient in free air. (measured with the component mounted on a high effective thermal conductivity test board in free air.) to-251 100 o c/w et-
78mxx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 20 july 2011 3 ? recommended operating conditions symbol parameter min. max. unit 78m05 7 25 78m06 8 25 78m08 10.5 25 78m09 11.5 27 78m10 12.5 28 78m12 14.5 30 78m15 17.5 30 78m18 21 33 78m20 23 36 v in input voltage 78m24 27 38 v i out output current - 0.5 a t j operating virtual junction temperature - 125 o c ? 78m05 electrical characteristics ( t a =25 o c, v in =10v, i out =350ma, unless otherwise noted . ) symbol parameter test conditions* min. typ. max. unit 4.8 5.0 5.2 v out ** output voltage i o =5ma to 350ma v in =7v to 20v 0 to 125 o c 4.75 5.00 5.25 v v in =7v to 25v - - 100 reg line line regulation v in =8v to 25v i o =200ma - - 50 mv i o =5ma to 200ma - - 50 reg load load regulation i o =5ma to 500ma - - 100 mv psrr ripple rejection v in =8v to 18v, f=120hz 62 80 - db v n output noise voltage f=10hz~100hz - 40 - uv v dropout dropout voltage - 2.0 - v - 4.8 8.0 i q bias current 125 o c - - 7.5 ma v in =7v to 25v - - 1.0 i q bias current change i o =5ma to 350ma 0 to 125 o c - - 0.5 ma et-
78mxx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 20 july 2011 4 ? 78m06 electrical characteristics ( t a =25 o c, v in =11v, i out =350ma, unless otherwise noted . ) symbol parameter test conditions* min. typ. max. unit 5.75 6.00 6.25 v out ** output voltage i o =5ma to 350ma v in =8v to 21v 0 to 125 o c 5.7 6.0 6.3 v v in =8v to 25v - - 100 reg line line regulation v in =9v to 25v i o =200ma - - 50 mv i o =5ma to 200ma - - 60 reg load load regulation i o =5ma to 500ma - - 120 mv psrr ripple rejection v in =9v to 19v, f=120hz 62 80 - db v n output noise voltage f=10hz~100hz - 45 - uv v dropout dropout voltage - 2.0 - v - 4.8 8.0 i q bias current 125 o c - - 7.5 ma v in =8v to 25v - - 1.0 i q bias current change i o =5ma to 350ma 0 to 125 o c - - 0.5 ma ? 78m08 electrical characteristics ( t a =25 o c, v in =14v, i out =350ma, unless otherwise noted . ) symbol parameter test conditions* min. typ. max. unit 7.7 8.0 8.3 v out ** output voltage i o =5ma to 350ma v in =10.5v to 23v 0 to 125 o c 7.6 8.0 8.4 v v in =10.5v to 25v - - 150 reg line line regulation v in =11v to 25v i o =200ma - - 75 mv i o =5ma to 200ma - - 80 reg load load regulation i o =5ma to 500ma - - 160 mv psrr ripple rejection v in =11.5v to 21.5v, f=120hz 62 80 db v n output noise voltage f=10hz~100hz - 52 uv v dropout dropout voltage - 2.0 v - 4.8 8.0 i q bias current 125 o c - - 7.5 ma v in =10.5v to 25v - - 1.0 i q bias current change i o =5ma to 350ma 0 to 125 o c - - 0.5 ma et-
78mxx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 20 july 2011 5 ? 78m09 electrical characteristics ( t a =25 o c, v in =16.5v, i out =350ma, unless otherwise noted . ) symbol parameter test conditions* min. typ. max. unit 8.64 9.00 9.36 v out ** output voltage i o =5ma to 350ma v in =11.5v to 25v 0 to 125 o c 8.55 9.00 9.45 v v in =11v to 27v - - 150 reg line line regulation v in =11.5v to 27v i o =200ma - - 75 mv i o =5ma to 200ma - - 90 reg load load regulation i o =5ma to 500ma - - 180 mv psrr ripple rejection v in =12v to 23.5v, f=120hz 62 80 db v n output noise voltage f=10hz~100hz - 58 uv v dropout dropout voltage - 2.0 v - 4.8 8.0 i q bias current 125 o c - - 7.5 ma v in =11v to 27v - - 1.0 i q bias current change i o =5ma to 350ma 0 to 125 o c - - 0.5 ma ? 78m10 electrical characteristics ( t a =25 o c, v in =15.5v, i out =350ma, unless otherwise noted . ) symbol parameter test conditions* min. typ. max. unit 9.6 10 10.4 v out ** output voltage i o =5ma to 350ma v in =12.5v to 26v 0 to 125 o c 9.5 10 10.5 v v in =12v to 28v - - 150 reg line line regulation v in =12.5v to 28v i o =200ma - - 75 mv i o =5ma to 200ma - - 90 reg load load regulation i o =5ma to 500ma - - 200 mv psrr ripple rejection v in =13v to 23.5v, f=120hz 62 80 - db v n output noise voltage f=10hz~100hz - 62 - uv v dropout dropout voltage - 2.0 - v - 4.8 8.0 i q bias current 125 o c - - 7.5 ma v in =12v to 28v - - 1.0 i q bias current change i o =5ma to 350ma 0 to 125 o c - - 0.5 ma et-
78mxx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 20 july 2011 6 ? 78m12 electrical characteristics ( t a =25 o c, v in =19v, i out =350ma, unless otherwise noted . ) symbol parameter test conditions* min. typ. max. unit 11.5 12.0 12.5 v out ** output voltage i o =5ma to 350ma v in =14.5v to 27v 0 to 125 o c 11.4 12.0 12.6 v v in =14.5v to 30v - - 150 reg line line regulation v in =16v to 30v i o =200ma - - 75 mv i o =5ma to 200ma - - 120 reg load load regulation i o =5ma to 500ma - - 240 mv psrr ripple rejection v in =15v to 25v, f=120hz 62 80 - db v n output noise voltage f=10hz~100hz - 75 - uv v dropout dropout voltage - 2.0 - v - 4.8 8.0 i q bias current 125 o c - - 7.5 ma v in =14.5v to 30v - - 1.0 i q bias current change i o =5ma to 350ma 0 to 125 o c - - 0.5 ma ? 78m15 electrical characteristics ( t a =25 o c, v in =23v, i out =350ma, unless otherwise noted . ) symbol parameter test conditions* min. typ. max. unit 14.4 15.0 15.6 v out ** output voltage i o =5ma to 350ma v in =17.5v to 30v 0 to 125 o c 14.25 15.0 15.75 v v in =17.5v to 30v - - 150 reg line line regulation v in =20v to 30v i o =200ma - - 75 mv i o =5ma to 200ma - - 150 reg load load regulation i o =5ma to 500ma - - 300 mv psrr ripple rejection v in =18.5v to 28.5v, f=120hz 60 70 - db v n output noise voltage f=10hz~100hz - 100 - uv v dropout dropout voltage - 2.0 - v - 4.9 8.0 i q bias current 125 o c - - 7.5 ma v in =17.5v to 30v - - 1.0 i q bias current change i o =5ma to 350ma 0 to 125 o c - - 0.5 ma et-
78mxx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 20 july 2011 7 ? 78m18 electrical characteristics ( t a =25 o c, v in =26v, i out =350ma, unless otherwise noted . ) symbol parameter test conditions* min. typ. max. unit 17.3 18.0 18.7 v out ** output voltage i o =5ma to 350ma v in =21v to 33v 0 to 125 o c 17.1 18.0 18.9 v v in =21.5v to 33v - - 150 reg line line regulation v in =24.5v to 33v i o =200ma - - 75 mv i o =5ma to 200ma - - 180 reg load load regulation i o =5ma to 500ma - - 360 mv psrr ripple rejection v in =22.5v to 32v, f=120hz 60 70 - db v n output noise voltage f=10hz~100hz - 100 - uv v dropout dropout voltage - 2.0 - v - 5.7 8.0 i q bias current 125 o c - - 7.5 ma v in =21.5v to 33v - - 1.0 i q bias current change i o =5ma to 350ma 0 to 125 o c - - 0.5 ma ? 78m20 electrical characteristics ( t a =25 o c, v in =28v, i out =350ma, unless otherwise noted . ) symbol parameter test conditions* min. typ. max. unit 19.2 20.0 20.8 v out ** output voltage i o =5ma to 350ma v in =23v to 36v 0 to 125 o c 19.0 20.0 21.0 v v in =23.5v to 36v - - 150 reg line line regulation v in =26.5v to 36v i o =200ma - - 75 mv i o =5ma to 200ma - - 200 reg load load regulation i o =5ma to 500ma - - 400 mv psrr ripple rejection v in =24.5v to 35v, f=120hz 55 65 - db v n output noise voltage f=10hz~100hz - 120 - uv v dropout dropout voltage - 2.0 - v - 4.9 8.0 i q bias current 125 o c - - 7.5 ma v in =23.5v to 36v - - 1.0 i q bias current change i o =5ma to 350ma 0 to 125 o c - - 0.5 ma et-
78mxx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 20 july 2011 8 ? 78m24 electrical characteristics ( t a =25 o c, v in =31v, i out =350ma, unless otherwise noted . ) symbol parameter test conditions* min. typ. max. unit 23.04 24.00 24.96 v out ** output voltage i o =5ma to 350ma v in =27v to 35v 0 to 125 o c 22.80 24.00 25.20 v v in =27.5v to 38v - - 150 reg line line regulation v in =30v to 38v i o =200ma - - 75 mv i o =5ma to 200ma - - 240 reg load load regulation i o =5ma to 500ma - - 480 mv psrr ripple rejection v in =28.5v to 37v, f=120hz 55 65 - db v n output noise voltage f=10hz~100hz - 140 - uv v dropout dropout voltage - 2.0 - v - 4.9 8.0 i q bias current 125 o c - - 7.5 ma v in =27.5v to 38v - - 1.0 i q bias current change i o =5ma to 350ma 0 to 125 o c - - 0.5 ma note: * pulse testing techniques are used to maintain the juncti on temperature as close to the ambient temperature as possible. thermal effects must be taken into account se parately. all characteristi cs are measured with a 0.33uf capacitor across the input and a 0.1uf capacitor across the output. ** the specification applies only for dc power dissipation permitted by absolute maximum rating. et-
78mxx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 20 july 2011 9 ? typical application circuits et-
78mxx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 20 july 2011 10 ? package information to-252 et-
78mxx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 20 july 2011 11 ? package information to-251 et-

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