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? 2005 fairchild semiconductor corporation ds400018 www.fairchildsemi.com april 1999 revised december 2005 lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a 3-terminal 1a positive voltage regulator lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a 3-terminal 1a positive voltage regulator general description the lm78xx series of three terminal positive regulators are available in the to-220 package and with several fixed output voltages, making them useful in a wide range of applications. each type employs internal current limiting, thermal shut down and safe operating area protection, making it essentially inde- structible. if adequate heat sinking is provided, they can deliver over 1a output current. alt hough designed primarily as fixed voltage regulators, these devic es can be used with external components to obtain adjustable voltages and currents. features output current up to 1a output voltages of 5, 6, 8, 9, 12, 15, 18, 24 thermal overload protection short circuit protection output transistor safe operating area protection ordering code: product number output voltage tolerance package operating temperature lm7805ct 4% to-220 40 c - 125 c lm7806ct lm7808ct lm7809ct LM7810CT lm7812ct lm7815ct lm7818ct lm7824ct lm7805act 2% 0 c - 125 c lm7806act lm7808act lm7809act lm7810act lm7812act lm7815act lm7818act lm7824act
www.fairchildsemi.com 2 lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a internal block diagram
3 www.fairchildsemi.com lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a absolute maximum ratings (note 1) note 1: absolute maximum ratings are those values beyond which damage to the device may occur. the datasheet specifications should be m et, without exception, to ensure that the system design is reliable over it s power supply, temperature, and output/inp ut loading variables. fairchild does not r ecommend operation outside datasheet specifica- tions. electrical characteristics (lm7805) (refer to the test circuits. 40 c t j 125 c, i o = 500ma, v i = 10v, c i = 0.1 f, unless otherwise specified) note 2: load and line regulation are specified at cons tant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. note 3: these parameters, although guaranteed, are not 100% tested in production. parameter symbol value unit input voltage (for v o = 5v to 18v) v i 35 v (for v o = 24v) v i 40 v thermal resistance junction-cases (to-220) r jc 5 c/w thermal resistance junction-air (to-220) r ja 65 c/w operating temperature range t opr 0 125 c lm78xx 40 125 c lm78xxa 0 125 c storage temperature range t stg 65 150 c parameter symbol conditions min typ max unit output voltage v o t j = 25 c4.85.05.2 v 5ma i o 1a, p o 15w, v i = 7v to 20v 4.75 5.0 5.25 line regulation regline t j = 25 cv o = 7v to 25v ? 4.0 100 mv (note 2) v i = 8v to 12v ? 1.6 50.0 load regulation regload t j = 25 ci o = 5ma to 1.5ma ? 9.0 100 mv i o = 250ma to 750ma ? 4.0 50.0 quiescent current i q t j = 25 c?5.08.0ma quiescent current change i q i o = 5ma to 1a ? 0.03 0.5 ma v i = 7v to 25v ? 0.3 1.3 output voltage drift (note 3) v o / ti o = 5ma ? 0.8 ? mv/ c output noise voltage v n f = 10hz to 100khz, t a = 25 c ? 42.0 ? v/v o ripple rejection (note 3) rr f = 120hz, v o = 8v to 18v 62.0 73.0 ? db dropout voltage v drop i o = 1a, t j = 25 c?2.0?v output resistance (note 3) ro f = 1khz ? 15.0 ? m short circuit current i sc v i = 35v, t a = 25 c?230?ma peak current (note 3) i pk t j = 25 c?2.2?a
www.fairchildsemi.com 4 lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a electrical characteristics (lm7806) (refer to the test circuits. 40 c t j 125 c, i o = 500ma, v i = 11v, c i = 0.33 f, c o = 0.1 f, unless otherwise specified) note 4: load and line regulation are specified at cons tant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. note 5: these parameters, although guaranteed, are not 100% tested in production. electrical characteristics (lm7808) (refer to the test circuits. 40 c t j 125 c, i o = 500ma, v i = 14v, c i = 0.33 f, c o = 0.1 f, unless otherwise specified) note 6: load and line regulation are specified at cons tant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. note 7: these parameters, although guaranteed, are not 100% tested in production. parameter symbol conditions min typ max unit output voltage v o t j = 25 c 5.75 6.0 6.25 v 5ma i o 1a, p o 15w, v i = 8.0v to 21v 5.7 6.0 6.3 line regulation regline t j = 25 cv i = 8v to 25v ? 5.0 120 mv (note 4) v i = 9v to 13v ? 1.5 60.0 load regulation regload t j = 25 ci o = 5ma to 1.5ma ? 9.0 120 mv (note 4) i o = 250ma to 750ma ? 3.0 60.0 quiescent current i q t j = 25 c?5.08.0ma quiescent current change i q i o = 5ma to 1a ? ? 0.5 ma v i = 8v to 25v ? ? 1.3 output voltage drift (note 5) v o / ti o = 5ma ? 0.8 ? mv/ c output noise voltage v n f = 10hz to 100khz, t a = 25 c ? 45.0 ? v/v o ripple rejection (note 5) rr f = 120hz, v o = 8v to 18v 62.0 73.0 ? db dropout voltage v drop i o = 1a, t j = 25 c?2.0?v output resistance (note 5) ro f = 1khz ? 19.0 ? m short circuit current i sc v i = 35v, t a = 25 c?250?ma peak current (note 5) i pk t j = 25 c?2.2?a parameter symbol conditions min typ max unit output voltage v o t j = 25 c7.78.08.3 v 5ma i o 1a, p o 15w, v i = 10.5v to 23v 7.6 8.0 8.4 line regulation regline t j = 25 cv i = 10.5v to 25v ? 5.0 160 mv (note 6) v i = 11.5v to 17v ? 2.0 80.0 load regulation regload t j = 25 ci o = 5ma to 1.5ma ? 10.0 160 mv (note 6) i o = 250ma to 750ma ? 5.0 80.0 quiescent current i q t j = 25 c?5.08.0ma quiescent current change i q i o = 5ma to 1a ? 0.05 0.5 ma v i = 10.5v to 25v ? 0.5 1.0 output voltage drift (note 7) v o / ti o = 5ma ? 0.8 ? mv/ c output noise voltage v n f = 10hz to 100khz, t a = 25 c ? 52.0 ? v/v o ripple rejection (note 7) rr f = 120hz, v o = 11.5v to 21.5v 56.0 73.0 ? db dropout voltage v drop i o = 1a, t j = 25 c?2.0?v output resistance (note 7) ro f = 1khz ? 17.0 ? m short circuit current i sc v i = 35v, t a = 25 c?230?ma peak current (note 7) i pk t j = 25 c?2.2?a
5 www.fairchildsemi.com lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a electrical characteristics (lm7809) (refer to the test circuits. 40 c t j 125 c, i o = 500ma, v i = 15v, c i = 0.33 f, c o = 0.1 f, unless otherwise specified) note 8: load and line regulation are specified at cons tant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. note 9: these parameters, although guaranteed, are not 100% tested in production. electrical characteristics (lm7810) (refer to the test circuits. 40 c t j 125 c, i o = 500ma, v i = 16v, c i = 0.33 f, c o = 0.1 f, unless otherwise specified) note 10: load and line regulation are specified at c onstant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. note 11: these parameters, although guaranteed, are not 100% tested in production. parameter symbol conditions min typ max unit output voltage v o t j = 25 c 8.65 9.0 9.35 v 5ma i o 1a, p o 15w, v i = 11.5v to 24v 8.6 9.0 9.4 line regulation regline t j = 25 cv i = 11.5v to 25v ? 6.0 180 mv (note 8) v i = 12v to 17v ? 2.0 90.0 load regulation regload t j = 25 ci o = 5ma to 1.5ma ? 12.0 180 mv (note 8) i o = 250ma to 750ma ? 4.0 90.0 quiescent current i q t j = 25 c?5.08.0ma quiescent current change i q i o = 5ma to 1a ? ? 0.5 ma v i = 11.5v to 26v ? ? 1.3 output voltage drift (note 9) v o / ti o = 5ma ? 1.0 ? mv/ c output noise voltage v n f = 10hz to 100khz, t a = 25 c ? 58.0 ? v/v o ripple rejection (note 9) rr f = 120hz, v o = 13v to 23v 56.0 71.0 ? db dropout voltage v drop i o = 1a, t j = 25 c?2.0?v output resistance (note 9) ro f = 1khz ? 17.0 ? m short circuit current i sc v i = 35v, t a = 25 c?250?ma peak current (note 9) i pk t j = 25 c?2.2?a parameter symbol conditions min typ max unit output voltage v o t j = 25 c 9.6 10.0 10.4 v 5ma i o 1a, p o 15w, v i = 12.5v to 25v 9.5 10.0 10.5 line regulation regline t j = 25 cv i = 12.5v to 25v ? 10.0 200 mv (note 10) v i = 13v to 25v ? 3.0 100 load regulation regload t j = 25 ci o = 5ma to 1.5ma ? 12.0 200 mv (note 10) i o = 250ma to 750ma ? 4.0 400 quiescent current i q t j = 25 c?5.18.0ma quiescent current change i q i o = 5ma to 1a ? ? 0.5 ma v i = 12.5v to 29v ? ? 1.0 output voltage drift (note 11) v o / ti o = 5ma ? 1.0 ? mv/ c output noise voltage v n f = 10hz to 100khz, t a = 25 c ? 58.0 ? v/v o ripple rejection (note 11) rr f = 120hz, v o = 13v to 23v 56.0 71.0 ? db dropout voltage v drop i o = 1a, t j = 25 c?2.0?v output resistance (note 11) ro f = 1khz ? 17.0 ? m short circuit current i sc v i = 35v, t a = 25 c?250?ma peak current (note 11) i pk t j = 25 c?2.2?a
www.fairchildsemi.com 6 lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a electrical characteristics (lm7812) (refer to the test circuits. 40 c t j 125 c, i o = 500ma, v i = 19v, c i = 0.33 f, c o = 0.1 f, unless otherwise specified) note 12: load and line regulation are specified at c onstant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. note 13: these parameters, although guaranteed, are not 100% tested in production. electrical characteristics (lm7815) (refer to the test circuits. 40 c t j 125 c, i o = 500ma, v i = 23v, c i = 0.33 f, c o = 0.1 f, unless otherwise specified) note 14: load and line regulation are specified at c onstant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. note 15: these parameters, although guaranteed, are not 100% tested in production. parameter symbol conditions min typ max unit output voltage v o t j = 25 c 11.5 12.0 12.5 v 5ma i o 1a, p o 15w, v i = 14.5v to 27v 11.4 12.0 12.6 line regulation regline t j = 25 cv i = 14.5v to 30v ? 10.0 240 mv (note 12) v i = 16v to 22v ? 3.0 120 load regulation regload t j = 25 ci o = 5ma to 1.5ma ? 11.0 240 mv (note 12) i o = 250ma to 750ma ? 5.0 120 quiescent current i q t j = 25 c?5.18.0ma quiescent current change i q i o = 5ma to 1a ? 0.1 0.5 ma v i = 14.5v to 30v ? 0.5 1.0 output voltage drift (note 13) v o / ti o = 5ma ? 1.0 ? mv/ c output noise voltage v n f = 10hz to 100khz, t a = 25 c ? 76.0 ? v/v o ripple rejection (note 13) rr f = 120hz, v i = 15v to 25v 55.0 71.0 ? db dropout voltage v drop i o = 1a, t j = 25 c?2.0?v output resistance (note 13) ro f = 1khz ? 18.0 ? m short circuit current i sc v i = 35v, t a = 25 c?230?ma peak current (note 13) i pk t j = 25 c?2.2?a parameter symbol conditions min typ max unit output voltage v o t j = 25 c 14.4 15.0 15.6 v 5ma i o 1a, p o 15w, v i = 17.5v to 30v 14.25 15.0 15.75 line regulation regline t j = 25 cv i = 17.5v to 30v ? 11.0 300 mv (note 14) v i = 20v to 26v ? 3.0 150 load regulation regload t j = 25 ci o = 5ma to 1.5ma ? 12.0 300 mv (note 14) i o = 250ma to 750ma ? 4.0 150 quiescent current i q t j = 25 c?5.28.0ma quiescent current change i q i o = 5ma to 1a ? ? 0.5 ma v i = 17.5v to 30v ? ? 1.0 output voltage drift (note 15) v o / ti o = 5ma ? 1.0 ? mv/ c output noise voltage v n f = 10hz to 100khz, t a = 25 c ? 90.0 ? v/v o ripple rejection (note 15) rr f = 120hz, v i = 18.5v to 28.5v 54.0 70.0 ? db dropout voltage v drop i o = 1a, t j = 25 c?2.0?v output resistance (note 15) ro f = 1khz ? 19.0 ? m short circuit current i sc v i = 35v, t a = 25 c?250?ma peak current (note 15) i pk t j = 25 c?2.2?a
7 www.fairchildsemi.com lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a electrical characteristics (lm7818) (refer to the test circuits. 40 c t j 125 c, i o = 500ma, v i = 27v, c i = 0.33 f, c o = 0.1 f, unless otherwise specified) note 16: load and line regulation are specified at c onstant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. note 17: these parameters, although guaranteed, are not 100% tested in production. electrical characteristics (lm7824) (refer to the test circuits. 40 c t j 125 c, i o = 500ma, v i = 33v, c i = 0.33 f, c o = 0.1 f, unless otherwise specified) note 18: load and line regulation are specified at c onstant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. note 19: these parameters, although guaranteed, are not 100% tested in production. parameter symbol conditions min typ max unit output voltage v o t j = 25 c 17.3 18.0 18.7 v 5ma i o 1a, p o 15w, v i = 21v to 33v 17.1 18.0 18.9 line regulation regline t j = 25 cv i = 21v to 33v ? 15.0 360 mv (note 12) v i = 24v to 30v ? 5.0 180 load regulation regload t j = 25 ci o = 5ma to 1.5ma ? 15.0 360 mv (note 12) i o = 250ma to 750ma ? 5.0 180 quiescent current i q t j = 25 c?5.28.0ma quiescent current change i q i o = 5ma to 1a ? ? 0.5 ma v i = 21v to 33v ? ? 1.0 output voltage drift (note 17) v o / ti o = 5ma ? 1.0 ? mv/ c output noise voltage v n f = 10hz to 100khz, t a = 25 c?110? v/v o ripple rejection (note 17) rr f = 120hz, v i = 22v to 32v 53.0 69.0 ? db dropout voltage v drop i o = 1a, t j = 25 c?2.0?v output resistance (note 17) ro f = 1khz ? 22.0 ? m short circuit current i sc v i = 35v, t a = 25 c?250?ma peak current (note 17) i pk t j = 25 c?2.2?a parameter symbol conditions min typ max unit output voltage v o t j = 25 c 23.0 24.0 25.0 v 5ma i o 1a, p o 15w, v i = 27v to 38v 22.8 24.0 25.25 line regulation regline t j = 25 cv i = 27v to 38v ? 17.0 480 mv (note 18) v i = 30v to 36v ? 6.0 240 load regulation regload t j = 25 ci o = 5ma to 1.5ma ? 15.0 480 mv (note 18) i o = 250ma to 750ma ? 5.0 240 quiescent current i q t j = 25 c?5.28.0ma quiescent current change i q i o = 5ma to 1a ? 0.1 0.5 ma v i = 27v to 38v ? 0.5 1.0 output voltage drift (note 19) v o / ti o = 5ma ? 1.5 ? mv/ c output noise voltage v n f = 10hz to 100khz, t a = 25 c ? 60.0 ? v/v o ripple rejection (note 19) rr f = 120hz, v i = 28v to 38v 50.0 67.0 ? db dropout voltage v drop i o = 1a, t j = 25 c?2.0?v output resistance (note 19) ro f = 1khz ? 28.0 ? m short circuit current i sc v i = 35v, t a = 25 c?230?ma peak current (note 19) i pk t j = 25 c?2.2?a
www.fairchildsemi.com 8 lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a electrical characteristics (lm7805a) (refer to the test circuits. 0 c t j 125 c, i o = 1a, v i = 10v, c i = 0.33 f, c o = 0.1 f, unless otherwise specified) note 20: load and line regulation are specified at c onstant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. note 21: these parameters, although guaranteed, are not 100% tested in production. parameter symbol conditions min typ max unit output voltage v o t j = 25 c4.95.05.1 v i o = 5ma to 1a, p o 15w, v i = 7.5v to 20v 4.8 5.0? 5.2 line regulation regline v i = 7.5v to 25v, i o = 500ma ? 5.0 50.0 mv (note 20) v i = 8v to 12v ? 3.0 50.0 t j = 25 cv i = 7.3v to 20v ? 5.0 50.0 v i = 8v to 12v ? 1.5 25.0 load regulation regload t j = 25 c, i o = 5ma to 1.5ma ? 9.0 100 mv (note 20) i o = 5ma to 1ma ? 9.0 100 i o = 250ma to 750ma ? 4.0 50.0 quiescent current i q t j = 25 c?5.06.0ma quiescent current change i q i o = 5ma to 1a ? ? 0.5 ma v i = 8v to 25v, i o = 500ma ? ? 0.8 v i = 7.5v to 20v, t j = 25 c??0.8 output voltage drift (note 21) v o / ti o = 5ma ? 0.8 ? mv/ c output noise voltage v n f = 10hz to 100khz, t a = 25 c ? 10.0 ? v/v o ripple rejection (note 21) rr f = 120hz, i o = 500ma, v i = 8v to 18v ? 68.0 ? db dropout voltage v drop i o = 1a, t j = 25 c?2.0?v output resistance (note 21) ro f = 1khz ? 17.0 ? m short circuit current i sc v i = 35v, t a = 25 c?250?ma peak current (note 21) i pk t j = 25 c?2.2?a
9 www.fairchildsemi.com lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a electrical characteristics (lm7806a) (refer to the test circuits. 0 c t j 125 c, i o = 1a, v i = 11v, c i = 0.33 f, c o = 0.1 f, unless otherwise specified) note 22: load and line regulation are specified at c onstant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. note 23: these parameters, although guaranteed, are not 100% tested in production. parameter symbol conditions min typ max unit output voltage v o t j = 25 c 5.58 6.0 6.12 v i o = 5ma to 1a, p o 15w, v i = 8.6v to 21v 5.76 6.0 6.24 line regulation regline v i = 8.6v to 25v, i o = 500ma ? 5.0 60.0 mv (note 22) v i = 9v to 13v ? 3.0 60.0 t j = 25 cv i = 8.3v to 21v ? 5.0 60.0 v i = 9v to 13v ? 1.5 30.0 load regulation regload t j = 25 c, i o = 5ma to 1.5ma ? 9.0 100 mv (note 22) i o = 5ma to 1ma ? 4.0 100 i o = 250ma to 750ma ? 5.0 50.0 quiescent current i q t j = 25 c?4.36.0ma quiescent current change i q i o = 5ma to 1a ? ? 0.5 ma v i = 19v to 25v, i o = 500ma ? ? 0.8 v i = 8.5v to 21v, t j = 25 c??0.8 output voltage drift (note 23) v o / ti o = 5ma ? 0.8 ? mv/ c output noise voltage v n f = 10hz to 100khz, t a = 25 c ? 10.0 ? v/v o ripple rejection (note 23) rr f = 120hz, i o = 500ma, v i = 9v to 19v ? 65.0 ? db dropout voltage v drop i o = 1a, t j = 25 c?2.0?v output resistance (note 23) ro f = 1khz ? 17.0 ? m short circuit current i sc v i = 35v, t a = 25 c?250?ma peak current (note 23) i pk t j = 25 c?2.2?a
www.fairchildsemi.com 10 lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a electrical characteristics (lm7808a) (refer to the test circuits. 0 c t j 125 c, i o = 1a, v i = 14v, c i = 0.33 f, c o = 0.1 f, unless otherwise specified) note 24: load and line regulation are specified at c onstant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. note 25: these parameters, although guaranteed, are not 100% tested in production. parameter symbol conditions min typ max unit output voltage v o t j = 25 c 7.84 8.0 8.16 v i o = 5ma to 1a, p o 15w, v i = 10.6v to 23v 7.7 8.0 8.3 line regulation regline v i = 10.6v to 25v, i o = 500ma ? 6.0 80.0 mv (note 24) v i = 11v to 17v ? 3.0 80.0 t j = 25 cv i = 10.4v to 23v ? 6.0 80.0 v i = 11v to 17v ? 2.0 40.0 load regulation regload t j = 25 c, i o = 5ma to 1.5ma ? 12.0 100 mv (note 24) i o = 5ma to 1ma ? 12.0 100 i o = 250ma to 750ma ? 5.0 50.0 quiescent current i q t j = 25 c?5.06.0ma quiescent current change i q i o = 5ma to 1a ? ? 0.5 ma v i = 11v to 25v, i o = 500ma ? ? 0.8 v i = 10.6v to 23v, t j = 25 c??0.8 output voltage drift (note 25) v o / ti o = 5ma ? 0.8 ? mv/ c output noise voltage v n f = 10hz to 100khz, t a = 25 c ? 10.0 ? v/v o ripple rejection (note 25) rr f = 120hz, i o = 500ma, v i = 11.5v to 21.5v ? 62.0 ? db dropout voltage v drop i o = 1a, t j = 25 c?2.0?v output resistance (note 25) ro f = 1khz ? 18.0 ? m short circuit current i sc v i = 35v, t a = 25 c?250?ma peak current (note 25) i pk t j = 25 c?2.2?a
11 www.fairchildsemi.com lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a electrical characteristics (lm7809a) (refer to the test circuits. 0 c t j 125 c, i o = 1a, v i = 15v, c i = 0.33 f, c o = 0.1 f, unless otherwise specified) note 26: load and line regulation are specified at c onstant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. note 27: these parameters, although guaranteed, are not 100% tested in production. parameter symbol conditions min typ max units output voltage v o t j = 25 c 8.82 9.0 9.16 v i o = 5ma to 1a, p o 15w, v i = 11.2v to 24v 8.65 9.0 9.35 line regulation regline v i = 11.7v to 25v, i o = 500ma ? 6.0 90.0 mv (note 26) v i = 12.5v to 19v ? 4.0 45.0 t j = 25 cv i = 11.5v to 24v ? 6.0 90.0 v i = 12.5v to 19v ? 2.0 45.0 load regulation regload t j = 25 c, i o = 5ma to 1.0ma ? 12.0 100 mv (note 26) i o = 5ma to 1ma ? 12.0 100 i o = 250ma to 750ma ? 5.0 50.0 quiescent current i q t j = 25 c?5.06.0ma quiescent current change i q i o = 5ma to 1a ? ? 0.5 ma v i = 12v to 25v, i o = 500ma ? ? 0.8 v i = 11.7v to 25v, t j = 25 c??0.8 output voltage drift (note 27) v o / ti o = 5ma ? 1.0 ? mv/ c output noise voltage v n f = 10hz to 100khz, t a = 25 c ? 10.0 ? v/v o ripple rejection (note 27) rr f = 120hz, i o = 500ma, v i = 12v to 22v ? 62.0 ? db dropout voltage v drop i o = 1a, t j = 25 c?2.0?v output resistance (note 27) ro f = 1khz ? 17.0 ? m short circuit current i sc v i = 35v, t a = 25 c?250?ma peak current (note 27) i pk t j = 25 c?2.2?a
www.fairchildsemi.com 12 lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a electrical characteristics (lm7810a) (refer to the test circuits. 0 c t j 125 c, i o = 1a, v i = 16v, c i = 0.33 f, c o = 0.1 f, unless otherwise specified) note 28: load and line regulation are specified at c onstant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. note 29: these parameters, although guaranteed, are not 100% tested in production. parameter symbol conditions min typ max units output voltage v o t j = 25 c 9.8 10.0 10.2 v i o = 5ma to 1a, p o 15w, v i = 12.8v to 25v 9.6 10.0 10.4 line regulation regline v i = 12.8v to 26v, i o = 500ma ? 8.0 100 mv (note 28) v i = 13v to 20v ? 4.0 50.0 t j = 25 cv i = 12.5v to 25v ? 8.0 100 v i = 13v to 20v ? 3.0 50.0 load regulation regload t j = 25 c, i o = 5ma to 1.5ma ? 12.0 100 mv (note 28) i o = 5ma to 1ma ? 12.0 100 i o = 250ma to 750ma ? 5.0 50.0 quiescent current i q t j = 25 c?5.06.0ma quiescent current change i q i o = 5ma to 1a ? ? 0.5 ma v i = 12.8v to 25v, i o = 500ma ? ? 0.8 v i = 13v to 26v, t j = 25 c??0.5 output voltage drift (note 29) v o / ti o = 5ma ? 1.0 ? mv/ c output noise voltage v n f = 10hz to 100khz, t a = 25 c ? 10.0 ? v/v o ripple rejection (note 29) rr f = 120hz, i o = 500ma, v i = 14v to 24v ? 62.0 ? db dropout voltage v drop i o = 1a, t j = 25 c?2.0?v output resistance (note 29) ro f = 1khz ? 17.0 ? m short circuit current i sc v i = 35v, t a = 25 c?250?ma peak current (note 29) i pk t j = 25 c?2.2?a
13 www.fairchildsemi.com lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a electrical characteristics (lm7812a) (refer to the test circuits. 0 c t j 125 c, i o = 1a, v i = 19v, c i = 0.33 f, c o = 0.1 f, unless otherwise specified) note 30: load and line regulation are specified at c onstant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. note 31: these parameters, although guaranteed, are not 100% tested in production. parameter symbol conditions min typ max units output voltage v o t j = 25 c 11.75 12.0 12.25 v i o = 5ma to 1a, p o 15w, v i = 14.8v to 27v 11.5 12.0 12.5 line regulation regline v i = 14.8v to 30v, i o = 500ma ? 10.0 120 mv (note 30) v i = 16v to 22v ? 4.0 120 t j = 25 cv i = 14.5v to 27v ? 10.0 120 v i = 16v to 22v ? 3.0 60.0 load regulation regload t j = 25 c, i o = 5ma to 1.5ma ? 12.0 100 mv (note 30) i o = 5ma to 1ma ? 12.0 100 i o = 250ma to 750ma ? 5.0 50.0 quiescent current i q t j = 25 c?5.16.0ma quiescent current change i q i o = 5ma to 1a ? ? 0.5 ma v i = 14v to 27v, i o = 500ma ? ? 0.8 v i = 15v to 30v, t j = 25 c??0.8 output voltage drift (note 31) v o / ti o = 5ma ? 1.0 ? mv/ c output noise voltage v n f = 10hz to 100khz, t a = 25 c ? 10.0 ? v/v o ripple rejection (note 31) rr f = 120hz, i o = 500ma, v i = 14v to 24v ? 60.0 ? db dropout voltage v drop i o = 1a, t j = 25 c?2.0?v output resistance (note 31) ro f = 1khz ? 18.0 ? m short circuit current i sc v i = 35v, t a = 25 c?250?ma peak current (note 31) i pk t j = 25 c?2.2?a
www.fairchildsemi.com 14 lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a electrical characteristics (lm7815a) (refer to the test circuits. 0 c t j 125 c, i o = 1a, v i = 23v, c i = 0.33 f, c o = 0.1 f, unless otherwise specified) note 32: load and line regulation are specified at c onstant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. note 33: these parameters, although guaranteed, are not 100% tested in production. parameter symbol conditions min typ max units output voltage v o t j = 25 c 14.75 15.0 15.3 v i o = 5ma to 1a, p o 15w, v i = 17.7v to 30v 14.4 15.0 15.6 line regulation regline v i = 17.4v to 30v, i o = 500ma ? 10.0 150 mv (note 32) v i = 20v to 26v ? 5.0 150 t j = 25 cv i = 17.5v to 30v ? 11.0 150 v i = 20v to 26v ? 3.0 75.0 load regulation regload t j = 25 c, i o = 5ma to 1.5ma ? 12.0 100 mv (note 32) i o = 5ma to 1ma ? 12.0 100 i o = 250ma to 750ma ? 5.0 50.0 quiescent current i q t j = 25 c?5.26.0ma quiescent current change i q i o = 5ma to 1a ? ? 0.5 ma v i = 17.5v to 30v, i o = 500ma ? ? 0.8 v i = 17.5v to 30v, t j = 25 c??0.8 output voltage drift (note 33) v o / ti o = 5ma ? 1.0 ? mv/ c output noise voltage v n f = 10hz to 100khz, t a = 25 c ? 10.0 ? v/v o ripple rejection (note 33) rr f = 120hz, i o = 500ma, v i = 18.5v to 28.5v ? 58.0 ? db dropout voltage v drop i o = 1a, t j = 25 c?2.0?v output resistance (note 33) ro f = 1khz ? 19.0 ? m short circuit current i sc v i = 35v, t a = 25 c?250?ma peak current (note 33) i pk t j = 25 c?2.2?a
15 www.fairchildsemi.com lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a electrical characteristics (lm7818a) (refer to the test circuits. 0 c t j 125 c, i o = 1a, v i = 27v, c i = 0.33 f, c o = 0.1 f, unless otherwise specified) note 34: load and line regulation are specified at c onstant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. note 35: these parameters, although guaranteed, are not 100% tested in production. parameter symbol conditions min typ max units output voltage v o t j = 25 c 17.64 18.0 18.36 v i o = 5ma to 1a, p o 15w, v i = 21v to 33v 17.3 18.0 18.7 line regulation regline v i = 21v to 33v, i o = 500ma ? 15.0 180 mv (note 34) v i = 21v to 33v ? 5.0 180 t j = 25 cv i = 20.6v to 33v ? 15.0 180 v i = 24v to 30v ? 5.0 90.0 load regulation regload t j = 25 c, i o = 5ma to 1.5ma ? 15.0 100 mv (note 34) i o = 5ma to 1ma ? 15.0 100 i o = 250ma to 750ma ? 7.0 50.0 quiescent current i q t j = 25 c?5.26.0ma quiescent current change i q i o = 5ma to 1a ? ? 0.5 ma v i = 12v to 33v, i o = 500ma ? ? 0.8 v i = 12v to 33v, t j = 25 c??0.8 output voltage drift (note 35) v o / ti o = 5ma ? 1.0 ? mv/ c output noise voltage v n f = 10hz to 100khz, t a = 25 c ? 10.0 ? v/v o ripple rejection (note 35) rr f = 120hz, i o = 500ma, v i = 22v to 32v ? 57.0 ? db dropout voltage v drop i o = 1a, t j = 25 c?2.0?v output resistance (note 35) ro f = 1khz ? 19.0 ? m short circuit current i sc v i = 35v, t a = 25 c?250?ma peak current (note 35) i pk t j = 25 c?2.2?a
www.fairchildsemi.com 16 lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a electrical characteristics (lm7824a) (refer to the test circuits. 0 c t j 125 c, i o = 1a, v i = 33v, c i = 0.33 f, c o = 0.1 f, unless otherwise specified) note 36: load and line regulation are specified at c onstant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. note 37: these parameters, although guaranteed, are not 100% tested in production. parameter symbol conditions min typ max units output voltage v o t j = 25 c 23.5 24.0 24.5 v i o = 5ma to 1a, p o 15w, v i = 27.3v to 38v 23.0 24.0 25.0 line regulation regline v i = 27v to 38v, i o = 500ma ? 18.0 240 mv (note 36) v i = 21v to 33v ? 6.0 240 t j = 25 cv i = 26.7v to 38v ? 18.0 240 v i = 30v to 36v ? 6.0 120 load regulation regload t j = 25 c, i o = 5ma to 1.5ma ? 15.0 100 mv (note 36) i o = 5ma to 1ma ? 15.0 100 i o = 250ma to 750ma ? 7.0 50.0 quiescent current i q t j = 25 c?5.26.0ma quiescent current change i q i o = 5ma to 1a ? ? 0.5 ma v i = 27.3v to 38v, i o = 500ma ? ? 0.8 v i = 27.3v to 38v, t j = 25 c??0.8 output voltage drift (note 37) v o / ti o = 5ma ? 1.5 ? mv/ c output noise voltage v n f = 10hz to 100khz, t a = 25 c ? 10.0 ? v/v o ripple rejection (note 37) rr f = 120hz, i o = 500ma, v i = 28v to 38v ? 54.0 ? db dropout voltage v drop i o = 1a, t j = 25 c?2.0?v output resistance (note 37) ro f = 1khz ? 20.0 ? m short circuit current i sc v i = 35v, t a = 25 c?250?ma peak current (note 37) i pk t j = 25 c?2.2?a
17 www.fairchildsemi.com lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a typical performance characteristics figure 1. quiescent current figure 2. peak output current figure 3. output voltage figure 4. quiescent current
www.fairchildsemi.com 18 lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a typical applications figure 5. dc parameters figure 6. load regulation figure 7. ripple rejection figure 8. fixed output regulator
19 www.fairchildsemi.com lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a typical applications (continued) figure 9. note: to specify an output voltage, substitute voltage value for ?xx?. a common ground is required between the input and the output voltage. the input voltage must remain typ- ically 2.0v above the output voltage even during the low point on the input ripple voltage. note: c i is required if regulator is located an appreciable distance from the power supply filter. note: c o improves stability and transient response. i ri 5 i q v o = v xx (1 r 2 / r 1 ) i q r 2 figure 10. circuit for increasing output voltage i ri 5 i q v o = v xx (1 r 2 / r 1 ) i q r 2 figure 11. adjustable output regulator (7v to 30v)
www.fairchildsemi.com 20 lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a typical applications (continued) figure 12. high current voltage regulator figure 13. high output current with short circuit protection figure 14. tracking voltage regulator
21 www.fairchildsemi.com lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a typical applications (continued) figure 15. split power supply ( 15v - 1a) figure 16. negative output voltage circuit figure 17. switching regulator
www.fairchildsemi.com 22 lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a physical dimensions inches (millimeters) unless otherwise noted package number to-220
23 www.fairchildsemi.com lm7805 ? lm7806 ? lm7808 ? lm7809 ? lm7810 ? lm7812 ? lm7815 ? lm7818 ? lm7824 ? lm7805a ? lm7806a ? lm7808a ?lm7809a ? lm7810a ? lm7812a ? lm7815a ? lm7818a ? lm7824a 3-terminal 1a positive voltage regulator disclaimer fairchild semiconductor reserves the right to make changes without further notice to any products herein to improve reliability, function or design. fairchild does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights, nor the rights of others. life support policy fairchild?s products are not authorized for use as critical components in life support devices or systems without the express written approval of fairchild semiconductor corporation as used herein: 1. life support devices or s ystems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, or (c) whose failure to perform when properly used in accordanc e with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. 2. a critical component is any component of a life support device or system whose failure to perform can be reason- ably expected to cause the failu re of the life support device or system, or to affect its safety or effectiveness. product status definitions definition of terms datasheet identification product status definition advance information formative or in design this datasheet contains the design specif ications for product develop- ment. specifications may change in any manner without notice. preliminary first production this datasheet contai ns preliminary data, and supplementary data will be published at a later date. fairchild semiconductor reserves the right to make changes at any time without notice in order to improve design. no identification needed full production this datasheet cont ains final specifications . fairchild semiconductor reserves the right to make changes at any time without notice in order to improve design. obsolete not in production this datasheet contains specifications on a product that has been dis- continued by fairchild semiconductor. the datasheet is printed for ref- erence information only.

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