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rev. b / lx lm7847 ~ l m 7 824 1a standard p o sitive vo lta g e re gu l a t o r taitron components incorporated www.taitroncomponents.com page 1 of 16 tel: (800) - taitron (800) - 824 - 8766 (661) - 257 - 6060 fax: (800)-taitfax (800)-824-8329 (661)-257-6415 1a standard positive voltage regulator general description ? the lm78xx series is three terminal standar d positive voltage regulator designed for a wide range of applications that required supply current up to 1a. ? the lm78xx series is available in 10 fixed output voltage:4.7v,5v,6v,7v,8v,9v,10v, 12v,15v,18v and 24v. ? the lm78xx series provides internal current limiting, thermal shutdown protection and safe-area operation compensation which make them virtually immune from output load, and the output current could up to 1a if adequate heat sinking provide ? the lm78xx is available in to-220,to-220f,dpak (to-252) ,d 2 pak(to-263)packages. . features ? output current up to 1a ? maximum input voltage up to 36v ? output voltage accuracy of 4% at 25c ? thermal overload protection ? short circuit current limiting ? output transistor safe operation area (soa) protection ? rohs compliance and halogen free applications to-220 ? high efficiency linear regulator ? post regulation for switching supply ? microprocessor power supply ? mother board to-220f dpak to-252 d 2 pak to-263-3 d 2 pak to-263-2
1a s t andard posi tive v o ltage regul ator rev. b / lx lm7847 ~ lm7824 www.taitroncomponents.com page 2 of 16 ordering information pin configuration to-220 to-220f dpak to-252 1: input 2: gnd 3: output 1: input 2: gnd 3: output 1: input 2: gnd 3: output d 2 pak to-263-2 d 2 pak to-263-3
1a s t andard posi tive v o ltage regul ator rev. b / lx lm7847 ~ lm7824 www.taitroncomponents.com page 3 of 16 functional block diagram
1a s t andard posi tive v o ltage regul ator rev. b / lx lm7847 ~ lm7824 www.taitroncomponents.com page 4 of 16 absolute maximum ratings (note 1) symbol description ratings unit v o =4.7~18v 35 v in input voltage v o =20~24v 40 v i o output current 1 a p d power dissipation internally limited w t lead lead temperature (soldering 10sec) 260 d 2 pak 0 to 125 t j operating junction temperature others -20 to 150 d 2 pak -40 to 150 t stg storage temperature range others -55 to 150 c to-220 to-220f 65 ja thermal resistance (junction to ambient) dpak (to-252) 61.54 to-220 to-220f 5 jc thermal resistance (junction to case) dpak (to-252) 7.48 c/ w note1: absolute maximum ratings indicate limits beyond which damage to the device may occur. for guarantee specification and test conditions, see the electrical characteristics. the guarantee specification apply only for the test conditions listed. some performance characteristics may degrade when the device is not operated under the listed test conditions.
1a s t andard posi tive v o ltage regul ator rev. b / lx lm7847 ~ lm7824 www.taitroncomponents.com page 5 of 16 electrical characteristics (i o =0.5a,tj=0~125c, cin=0.33f, co =0.1f,unless otherwise specified,note2) for lm7847 (v in =9.7v, t j = 25c) lm7847 symbol description min. typ. max. unit test conditions 4.512 4.70 4.888 v 5ma i o 1.0a v o output voltage 4.465 - 4.935 v 7.2v v in 19.7v, 5ma i o 1.0a - - 47 mv 5ma i o 1.0a ? v load load regulation - - 24 mv 0.25a i o 0.75a - - 47 mv 7.2v v in 19.7v ? v line line regulation - - 47 mv 7.2v v in 19.7v,i o =1.0a v d dropout voltage - 2.0 - v - i q quiescent current - - 8.0 ma i out 1.0a 7.2v v in 19.7v - - 1.0 ma 5.8v v in 18.3v ? i q quiescent current change - - 0.5 ma 5ma i o 1.0a en output noise voltage - 40 - v 10hz f 100khz ? v o / ? t temperature coefficient of v out - -0.6 - mv/ i o =5ma psrr power supply ripple rejection ratio 62 80 - db 7.7v v in 17.7v, f=120hz i peak peak output current - 1.8 - a - i sc short-circuit current - 250 - ma v in =35v for lm7805 (v in =10v, t j = 25c) lm7805 symbol description min. typ. max. unit test conditions 4.80 5.0 5.20 v 5ma i o 1.0a v o output voltage 4.75 - 5.25 v 7.5v v in 20v, 5ma i o 1.0a - - 50 mv 5ma i o 1.0a ? v load load regulation - - 25 mv 0.25a i o 0.75a - - 50 mv 7.0v v in 25v ? v line line regulation - - 50 mv 7.5v v in 20v,i o =1.0a v d dropout voltage - 2.0 - v - i q quiescent current - - 8.0 ma i o 1.0a - - 1.0 ma 7.5v v in 20v ? i q quiescent current change - - 0.5 ma 5ma i o 1.0a en output noise voltage - 40 - v 10hz f 100khz ? v o / ? t temperature coefficient of v out - -0.6 - mv/ i out =5ma
1a s t andard posi tive v o ltage regul ator rev. b / lx lm7847 ~ lm7824 www.taitroncomponents.com page 6 of 16 psrr power supply ripple rejection ratio 62 80 - db 8v v in 18v, f=120hz i peak peak output current - 1.8 - a - i sc short-circuit current - 250 - ma v in =35v for lm7806 (v in =11v, t j = 25c) lm7806 symbol description min. typ. max. unit test conditions 5.76 6.0 6.24 v 5ma i o 1.0a v o output voltage 5.7 - 6.3 v 8.5v v in 21v, 5ma i o 1.0a - - 60 mv 5ma i o 1.0a ? v load load regulation - - 30 mv 0.25a i o 0.75a - - 60 mv 8.0v v in 25v ? v line line regulation - - 60 mv 8.5v v in 21v,i o =1.0a i q quiescent current - - 8.0 ma i out 1.0a - - 1.0 ma 7.5v v in 20v ? i q quiescent current change - - 0.5 ma i o =5ma-1.0a en output noise voltage - 40 - v 10hz f 100khz ? v o / ? t temperature coefficient of v out - -0.7 - mv/ i o =5ma psrr power supply ripple rejection ratio 62 80 - db 9v v in 19v, f=120hz i peak peak output current - 1.8 - a - i sc short-circuit current - 250 - ma v in =35v v d dropout voltage - 2.0 - v - for lm7807 (v in =13v, t j = 25c) lm7807 symbol description min. typ. max. unit test conditions 6.72 7.0 7.28 v 5ma i o 1.0a v o output voltage 6.65 - 7.35 v 9.5v v in 22v, 5ma i o 1.0a - - 70 mv 5ma i o 1.0a ? v load load regulation - - 35 mv 0.25a i o 0.75a - - 70 mv 9.0v v in 25v ? v line line regulation - - 70 mv 9.5v v in 22v,i o =1.0a v d dropout voltage - 2.0 - v - i q quiescent current - - 8.0 ma i o 1.0a - - 1.0 ma 9.5v v in 22v ? i q quiescent current change - - 0.5 ma i o =5ma-1.0a en output noise voltage - 50 - v 10hz f 100khz ? v o / ? t temperature coefficient of v out - -0.8 - mv/ i o =5ma
1a s t andard posi tive v o ltage regul ator rev. b / lx lm7847 ~ lm7824 www.taitroncomponents.com page 7 of 16 psrr power supply ripple rejection ratio 59 75 - db 9v v in 19v, f=120hz i peak peak output current - 1.8 - a - i sc short-circuit current - 250 - ma v in =35v for lm7808 (v in =14v, t j = 25c) lm7808 symbol description min. typ. max. unit test conditions 7.68 8.0 8.32 v 5ma i o 1.0a v o output voltage 7.6 - 8.4 v 10.5v v in 23v, 5ma i o 1.0a - - 80 mv 5ma i o 1.0a ? v load load regulation - - 40 mv 0.25a i o 0.75a - - 80 mv 10.5v v in 25v ? v line line regulation - - 80 mv 10.5v v in 23v,i o =1.0a v d dropout voltage - 2.0 - v - i q quiescent current - - 8.0 ma i o 1.0a - - 1.0 ma 9.5v v in 22v ? i q quiescent current change - - 0.5 ma 5ma i o 1.0a en output noise voltage - 58 - v 10hz f 100khz ? v o / ? t temperature coefficient of v out - -0.9 - mv/ i o =5ma psrr power supply ripple rejection ratio 56 72 - db 11.5v v in 21.5v, f=120hz i peak peak output current - 1.8 - a - i sc short-circuit current - 250 - ma v in =35v for lm7809 (v in =15v, t j = 25c) lm7809 symbol description min. typ. max. unit test conditions 8.64 9.0 9.36 v 5ma i o 1.0a v o output voltage 8.55 - 9.45 v 10.5v v in 23v, 5ma i o 1.0a - - 90 mv 5ma i o 1.0a ? v load load regulation - - 45 mv 0.25a i o 0.75a - - 90 mv 11.5v v in 25v ? v line line regulation - - 90 mv 11.5v v in 24v,i o =1.0a v d dropout voltage - 2.0 - v - i q quiescent current - - 8.0 ma i o 1.0a - - 1.0 ma 11.5v v in 24v ? i q quiescent current change - - 0.5 ma 5ma i o 1.0a en output noise voltage - 58 - v 10hz f 100khz ? v o / ? t temperature coefficient of v out - -1.1 - mv/ i o =5ma
1a s t andard posi tive v o ltage regul ator rev. b / lx lm7847 ~ lm7824 www.taitroncomponents.com page 8 of 16 psrr power supply ripple rejection ratio 56 72 - db 12.5v v in 22.5v, f=120hz i peak peak output current - 1.8 - a - i sc short-circuit current - 250 - ma v in =35v for lm7810 (v in =16v, t j = 25c) lm7810 symbol description min. typ. max. unit test conditions 9.60 10.0 10.4 0 v 5ma i o 1.0a v o output voltage 9.5 - 10.5 v 12.5v v in 25v, i o =5ma-1.0a - - 100 mv 5ma i o 1.0a ? v load load regulation - - 50 mv 0.25a i o 0.75a - - 100 mv 13v v in 25v ? v line line regulation - - 100 mv 13v v in 25v,i o =1.0a i q quiescent current - - 8.0 ma i o 1.0a - - 1.0 ma 12.6v v in 25v ? i q quiescent current change - - 0.5 ma 5ma i o 1.0a en output noise voltage - 58 - v 10hz f 100khz ? v o / ? t temperature coefficient of v out - -1.1 - mv/ i o =5ma psrr power supply ripple rejection ratio 56 72 - db 12.5v v in 22.5v, f=120hz i peak peak output current - 1.8 - a - i sc short-circuit current - 250 - ma v in =35v v d dropout voltage - 2.0 - v - for lm7812 (v in =19v, t j = 25c) lm7812 symbol description min. typ. max. unit test conditions 11.52 12.0 12.48 v 5ma i o 1.0a v o output voltage 11.4 - 12.6 v 14.5v v in 27v, 5ma i o 1.0a - - 120 mv 5ma i o 1.0a ? v load load regulation - - 60 mv 0.25a i o 0.75a - - 120 mv 14.5v v in 30v ? v line line regulation - - 120 mv 14.5v v in 27v,i o =1.0a v d dropout voltage - 2.0 - v - i q quiescent current - - 8.0 ma i o 1.0a - - 1.0 ma 14.5v v in 30v ? i q quiescent current change - - 0.5 ma 5ma i o 1.0a
1a s t andard posi tive v o ltage regul ator rev. b / lx lm7847 ~ lm7824 www.taitroncomponents.com page 9 of 16 en output noise voltage - 75 - v 10hz f 100khz ? v o / ? t temperature coefficient of v out - -1.5 - mv/ i o =5ma psrr power supply ripple rejection ratio 56 72 - db 15v v in 25v, f=120hz i peak peak output current - 1.8 - a - i sc short-circuit current - 250 - ma v in =35v for lm7815 (v in =23v, t j = 25c) lm7815 symbol description min. typ. max. unit test conditions 14.40 15.0 15.60 v 5ma i o 1.0a v o output voltage 14.25 - 15.75 v 17.5v v in 30v, 5ma i o 1.0a - - 150 mv 5ma i o 1.0a ? v load load regulation - - 75 mv 0.25a i o 0.75a - - 150 mv 18.5v v in 30v ? v line line regulation - - 150 mv 17.8v v in 30v,i o =1.0a v d dropout voltage - 2.0 - v - i q quiescent current - - 8.0 ma i o 1.0a - - 1.0 ma 17.5v v in 30v ? i q quiescent current change - - 0.5 ma 5ma i o 1.0a en output noise voltage - 90 - v 10hz f 100khz ? v o / ? t temperature coefficient of v out - -1.8 - mv/ i o =5ma psrr power supply ripple rejection ratio 54 70 - db 15v v in 25v, f=120hz i peak peak output current - 1.8 - a - i sc short-circuit current - 250 - ma v in =35v for lm7818 (v in =27v, t j = 25c) lm7818 symbol description min. typ. max. unit test conditions 17.28 18.0 18.72 v 5ma i o 1.0a v o output voltage 17.1 - 18.9 v 21v v in 33v, 5ma i o 1.0a - - 180 mv 5ma i o 1.0a ? v load load regulation - - 90 mv 0.25a i o 0.75a - - 180 mv 21v v in 33v ? v line line regulation - - 180 mv 21v v in 33v,i o =1.0a v d dropout voltage - 2.0 - v - i q quiescent current - - 8.0 ma i o 1.0a - - 1.0 ma 21.5v v in 33v ? i q quiescent current change - - 0.5 ma 5ma i o 1.0a
1a s t andard posi tive v o ltage regul ator rev. b / lx lm7847 ~ lm7824 www.taitroncomponents.com page 10 of 16 en output noise voltage - 110 - v 10hz f 100khz ? v o / ? t temperature coefficient of v out - -2.2 - mv/ i o =5ma psrr power supply ripple rejection ratio 53 69 - db 22v v in 32v, f=120hz i peak peak output current - 1.8 - a - i sc short-circuit current - 250 - ma v in =35v for lm7824 (v in =33v, tj= 25c) lm7824 symbol description min. typ. max. unit test conditions 23.04 24.0 24.9 6 v 5ma i o 1.0a v o output voltage 22.80 - 25.2 0 v 27v v in 38v, 5ma i o 1.0a - - 240 mv 5ma i o 1.0a ? v load load regulation - - 120 mv 0.25a i o 0.75a - - 240 mv 21v v in 33v ? v line line regulation - - 240 mv 27v v in 38v,i o =1.0a v d dropout voltage - 2.0 - v - i q quiescent current - - 8.0 ma i o 1.0a - - 1.0 ma 28v v in 38v ? i q quiescent current change - - 0.5 ma 5ma i o 1.0a en output noise voltage - 170 - v 10hz f 100khz ? v o / ? t temperature coefficient of v out - -2.8 - mv/ i o =5ma psrr power supply ripple rejection ratio 50 66 - db 28v v in 38v, f=120hz i peak peak output current - 1.8 - a - i sc short-circuit current - 250 - ma v in =35v note2: the maximum steady state usable output curren t are dependent on the input voltage, heat sinking, lead length of the package and the copper pattern of the pcb. the data above represents pulse test conditions with junction temperature specified at the initiation of test.
1a s t andard posi tive v o ltage regul ator rev. b / lx lm7847 ~ lm7824 www.taitroncomponents.com page 11 of 16 fig.1- dropout voltage vs. junction temperature fig.2- output voltage vs. junction temperature junction temperature (c) fig.3- power dissipation vs. junction temperature junction temperature (c) fig.4- ripple rejection vs. frequency frequency (hz) typical characteristics curves junction temperature (c) dropout voltage ( v ) output voltage ( v ) output voltage ( v ) ripple rejection (db)
1a s t andard posi tive v o ltage regul ator rev. b / lx lm7847 ~ lm7824 www.taitroncomponents.com page 12 of 16 fig.5- line transient (conditions: i o =500ma, c o =0.1 f) time (100 s/div) fig.6- load transient (conditions: v in =10v, c in =0.33 f, c o =0.1 f) time (40 s/div) typical characteristics curves (continued) typical application v in (5v/div) ? v o (50mv/div) i o (1a/div) ? vo (100mv/div)
1a s t andard posi tive v o ltage regul ator rev. b / lx lm7847 ~ lm7824 www.taitroncomponents.com page 13 of 16 dimensions in mm (inches) to-220
1a s t andard posi tive v o ltage regul ator rev. b / lx lm7847 ~ lm7824 www.taitroncomponents.com page 14 of 16 to-220f
1a s t andard posi tive v o ltage regul ator rev. b / lx lm7847 ~ lm7824 www.taitroncomponents.com page 15 of 16 dpak ( to-252 ) d2pak ( to-263-3 )
1a s t andard posi tive v o ltage regul ator rev. b / lx lm7847 ~ lm7824 www.taitroncomponents.com page 16 of 16 how to contact us: us headquarters 28040 west harrison parkaway, valencia, ca 91355-4162 tel: (800) taitron (800) 824-8766 (661) 257-6060 fax: (800) taitfax (800) 824-8329 (661) 257-6415 email: taitron@taitroncomponents.com http:// www.taitroncomponents.com taitron components mexico, s.a .de c.v. boulevard central 5000 interior 5 parque industrial atitalaquia, hidalgo c.p. 42970 mexico tel: +52-55-5560-1519 fax: +52-55-5560-2190 taitron componets incorporated e representa??es do brasil ltda rua domingos de morais, 2777, 2.andar, sala 24 sade - s?o paulo-sp 04035-001 brazil tel: +55-11-5574-7949 fax: +55-11-5572-0052 taitron componets incorporated, shanghai representative office metrobank plaza, 1160 west yan an road, suite 1503, shanghai, 200052, china tel: +86-21-5424-9942 fax: +86-21-5424-9931

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