78xx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 29 july 2011 1 positive-voltage regulator ? description ? features the 78xx series are fixed-voltage monolithic integrated circuit voltage regulators designed for wide range of applications. each of these regulators can deliver up to 1.5a of output current. the internal limiting and thermal shutdown features of these regulators make them essentially immune to overload. ? output voltage offered in 4% tolerance. ? internal short-circuit limiting. ? internal thermal overload protection. ? no external components. ? output current up to:1.5a. ? three terminal regulators. ? typical application ? applications ? security product ? mother board ? graphic card ? microprocessor power supply ? linear regulator c in c out v out v in 78xx ? pin description gnd out in gnd out in et-
78xx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 29 july 2011 2 ? ordering information pin assignment part number temperature range package input gnd output packing 7805gi 7806gi 7808gi 7809gi 7810gi 7812gi 7815gi 7818gi 7820gi 7824gi -40 o c ~ +125 o c to-263 1 2 3 tape & reel 7805fi 7806fi 7808fi 7809fi 7810fi 7812fi 7815fi 7818fi 7820fi 7824fi -40 o c ~ +125 o c to-220 1 2 3 tube ? absolute maximum ratings value symbol parameter 7805~7818 7820~7824 unit v in input voltage 35 40 v i out output current 1.5 a ta operating ambient temperature -40 ~ +125 o c t j operating junction temperature 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 et-
78xx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 29 july 2011 3 ? thermal characteristics symbol parameter package typical value unit to-263 55 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-220 65 o c/w ? 7805 electrical characteristics ( t a =25 o c, v in =10v, i out =500ma, 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 1.0a 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 12v - - 50 mv i o =250ma to 750ma - - 50 reg load load regulation i o =5ma to 1.0a - - 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 i q bias current - - 8.0 ma v in =7v to 25v - - 1.3 i q bias current change i o =5ma to 1.0a 0 to 125 o c - - 0.5 ma ? 7806 electrical characteristics ( t a =25 o c, v in =11v, i out =500ma, 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 1.0a v in =8v to 21v 0 to 125 o c 5.7 6.0 6.3 v v in =8v to 25v - - 120 reg line line regulation v in =9v to 13v - - 60 mv i o =250ma to 750ma - - 60 reg load load regulation i o =5ma to 1.0a - - 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 i q bias current - - 8.0 ma v in =8v to 25v - - 1.0 i q bias current change i o =5ma to 1.0a 0 to 125 o c - - 0.5 ma et-
78xx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 29 july 2011 4 ? 7808 electrical characteristics ( t a =25 o c, v in =14v, i out =500ma, 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 1.0a v in =10.5v to 23v 0 to 125 o c 7.6 8.0 8.4 v v in =10.5v to 25v - - 160 reg line line regulation v in =11v to 17v - - 80 mv i o =250ma to 750ma - - 80 reg load load regulation i o =5ma to 1.0a - - 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 i q bias current - - 8.0 ma v in =10.5v to 25v - - 1.0 i q bias current change i o =5ma to 1.0a 0 to 125 o c - - 0.5 ma ? 7809 electrical characteristics ( t a =25 o c, v in =15v, i out =500ma, unless otherwise noted . ) symbol parameter test conditions* min. typ. max. unit 8.65 9.00 9.35 v out ** output voltage i o =5ma to 1.0a v in =11.5v to 24v 0 to 125 o c 8.55 9.00 9.45 v v in =11v to 26v - - 180 reg line line regulation v in =11.5v to 17v - - 90 mv i o =250ma to 750ma - - 90 reg load load regulation i o =5ma to 1.0a - - 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 i q bias current - - 8.0 ma v in =11.5v to 26v - - 1.0 i q bias current change i o =5ma to 1.0a 0 to 125 o c - - 0.5 ma et-
78xx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 29 july 2011 5 ? 7812 electrical characteristics ( t a =25 o c, v in =19v, i out =500ma, 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 1.0a v in =14.5v to 27v 0 to 125 o c 11.4 12.0 12.6 v v in =14.5v to 30v - - 240 reg line line regulation v in =16v to 23v - - 120 mv i o =250ma to 750ma - - 120 reg load load regulation i o =5ma to 1.0a - - 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 i q bias current - - 8.0 ma v in =14.5v to 30v - - 1.0 i q bias current change i o =5ma to 1.0a 0 to 125 o c - - 0.5 ma ? 7815 electrical characteristics ( t a =25 o c, v in =23v, i out =500ma, 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 1.0a v in =17.5v to 30v 0 to 125 o c 14.25 15.0 15.75 v v in =17.5v to 30v - - 300 reg line line regulation v in =20v to 26v - - 150 mv i o =250ma to 750ma - - 150 reg load load regulation i o =5ma to 1.0a - - 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 i q bias current - - 8.0 ma v in =17.5v to 30v - - 1.0 i q bias current change i o =5ma to 1.0a 0 to 125 o c - - 0.5 ma et-
78xx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 29 july 2011 6 ? 7818 electrical characteristics ( t a =25 o c, v in =27v, i out =500ma, 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 1.0a v in =21v to 33v 0 to 125 o c 17.1 18.0 18.9 v v in =21.5v to 33v - - 360 reg line line regulation v in =24v to 30v - - 180 mv i o =250ma to 750ma - - 180 reg load load regulation i o =5ma to 1.0a - - 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 i q bias current - - 8.0 ma v in =21v to 33v - - 1.0 i q bias current change i o =5ma to 1.0a 0 to 125 o c - - 0.5 ma ? 7820 electrical characteristics ( t a =25 o c, v in =29v, i out =500ma, 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 1.0a v in =23v to 35v 0 to 125 o c 19.0 20.0 21.0 v v in =23v to 35v - - 400 reg line line regulation v in =26v to 32v - - 200 mv i o =250ma to 750ma - - 200 reg load load regulation i o =5ma to 1.0a - - 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 i q bias current - - 8.0 ma v in =23v to 35v - - 1.0 i q bias current change i o =5ma to 1.0a 0 to 125 o c - - 0.5 ma et-
78xx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 29 july 2011 7 ? 7824 electrical characteristics ( t a =25 o c, v in =31v, i out =500ma, unless otherwise noted . ) symbol parameter test conditions* min. typ. max. unit 23.0 24.0 25.0 v out ** output voltage i o =5ma to 1.0a v in =27v to 38v 0 to 125 o c 22.8 24.0 25.2 v v in =27v to 38v - - 480 reg line line regulation v in =30v to 36v - - 240 mv i o =250ma to 750ma - - 240 reg load load regulation i o =5ma to 1.0a - - 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 i q bias current - - 8.0 ma v in =27v to 38v - - 1.0 i q bias current change i o =5ma to 1.0a 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-
78xx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 29 july 2011 8 ? typical characteristics 7805 et-
78xx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 29 july 2011 9 ? package information to-263 et-
78xx www.estek.com.cn copyright @ estek electronics co., ltd version 0.2 29 july 2011 10 ? package information to-220 et-
|
