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features ? output current up to 0.5a ? output voltages of 5, 6, 8, 12, 15, 18, 24v ? thermal overload protection ? short circuit protection ? output transistor safe operating area (soa)protection description the lr 78mxx series of three-terminal positive regulators are available in the to-220/d-pak package with several fixed output voltages making it useful in a wide range of applications. to-220 d-pak 1. input 2. gnd 3. output 1 1 gnd gnd internal block digram output 3 r1 r2 gnd 2 1 input series pass element soa protection current generator starting circuit reference voltage error amplifier thermal protection lr 78mxx 3-terminal 0.5a positive voltage regulator leshan radio company, ltd. 1/11 /50;;
absolute maximum ratings note: 1. thermal resistance test board size: 76.2mm * 114.3mm * 1.6mm(1s0p) jedec standard: jesd51-3, jesd51-7 2. assume no ambient airflow electrical characteristics ( lr 78m05) (refer to the test circuits, 0 < t j < +125 c, i o =350ma, v i =10v, unless otherwise specified, c i = 0.33 f, c o =0.1 f) note: 3. load and line regulation are specified at constant junction temperature. change in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. parameter symbol value unit input voltage (for v o = 5v to 18v) (for v o = 24v) v i v i 35 40 v v thermal resistance junction-case (note1) to-220 (tc = +25 c) r jc 2.5 c/w thermal resistance junction-air (note1, 2) to-220 (ta = +25 c) d-pak (ta = +25 c) r ja 66 92 c/w operating junction temperature range t opr 0 ~ +150 c storage temperature range t stg -65 ~ +150 c parameter symbol conditions min. typ. max. unit output voltage v o t j = +25 c 4.855.2 v i o = 5ma to 350ma v i = 7v to 20v 4.75 5 5.25 line regulation (note3) ? v o i o = 200ma t j =+25 c v i = 7v to 25v - - 100 mv v i = 8v to 25v - - 50 load regulation (note3) ? v o i o = 5ma to 0.5a, t j =+25 c - - 100 mv i o = 5ma to 200ma, t j =+25 c- - 50 quiescent current i q t j =+25 c-4.06.0ma quiescent current change ? i q i o = 5ma to 350ma - - 0.5 ma i o = 200ma v i = 8v to 25v --0.8 output voltage drift ? v/ ? t i o = 5ma t j = 0 to +125 c --0.5-mv/ c output noise voltage v n f = 10hz to 100khz - 40 - v/vo ripple rejection rr f = 120hz, i o = 300ma v i = 8v to 18v, t j =+25 c -80- db dropout voltage v d t j =+25 c, i o = 500ma - 2 - v short circuit current i sc t j =+25 c, v i = 35v - 300 - ma peak current i pk t j =+25 c - 700 - ma leshan radio company, ltd. 2/11 lr78mxx 2/11
electrical characteristics ( lr 78m06) (continued) (refer to the test circuits, 0 < t j < +125 c, i o =350ma, v i =11v, unless otherwise specified, c i =0.33 f, c o =0.1 f) note: 1. load and line regulation are specified at constant junction temperature. change in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. parameter symbol conditions min. typ. max. unit output voltage v o t j = +25 c 5.75 6 6.25 v i o = 5ma to 350ma v i = 8v to 21v 5.7 6 6.3 line regulation (note1) ? v o i o = 200ma t j = +25 c v i = 8v to 25v - - 100 mv v i = 9v to 25v - - 50 load regulation (note1) ? v o i o = 5ma to 0.5a, t j = +25 c - - 120 mv i o = 5ma to 200ma, t j = +25 c- -60 quiescent current i q t j = +25 c-4.06.0ma quiescent current change ? i q i o = 5ma to 350ma - - 0.5 ma i o = 200ma v i = 9v to 25v --0.8 output voltage drift ? v/ ? t i o = 5ma t j = 0 to +125 c --0.5-mv/ c output noise voltage v n f = 10hz to 100khz - 45 - v/vo ripple rejection rr f = 120hz, i o = 300ma v i = 9v to 19v, t j =+25 c -80-db dropout voltage v d t j =+25 c, i o = 500ma - 2 - v short circuit current i sc t j = +25 c, v i = 35v - 300 - ma peak current i pk t j =+25 c - 700 - ma leshan radio company, ltd. 3/11 lr78mxx 3/11
electrical characteristics ( lr 78m08) (continued) (refer to the test circuits, 0 < t j < +125 c, i o =350ma, v i =14v, unless otherwise specified, c i = 0.33 f, c o =0.1 f) note: 1. load and line regulation are specified at constant junction temperature. change in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. parameter symbol conditions min. typ. max. unit output voltage v o t j =+25 c7.788.3 v i o = 5ma to 350ma v i = 10.5v to 23v 7.6 8 8.4 line regulation (note1) ? v o i o = 200ma t j =+25 c v i = 10.5v to 25v - - 100 mv v i = 11v to 25v - - 50 load regulation (note1) ? v o i o = 5ma to 0.5a, t j =+25 c - - 160 mv i o = 5ma to 200ma, t j =+25 c--80 quiescent current i q t j = +25 c-4.06.0ma quiescent current change ? i q i o = 5ma to 350ma - - 0.5 ma i o = 200ma v i = 10.5v to 25v --0.8 output voltage drift rr i o = 5ma t j = 0 to +125 c - ? 0.5 - mv/ c output noise voltage v n f = 10hz to 100khz - 52 - v/vo ripple rejection rr f = 120hz, i o = 300ma v i = 11.5v to 21.5v, t j =+25 c -80- db dropout voltage v d t j = +25 c, i o = 500ma - 2 - v short circuit current i sc t j = +25 c, v i = 35v - 300 - ma peak current i pk t j = +25 c - 700 - ma leshan radio company, ltd. 4/11 lr78mxx 4/11
electrical characteristics ( lr 78m12) (continued) (refer to the test circuits, 0 < t j < +125 c, i o =350ma, v i =19v, unless otherwise specified, c i =0.33 f, c o =0.1 f) note: 1. load and line regulation are specified at constant junction temperature. change in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. parameter symbol conditions min. typ. max. unit output voltage v o t j = +25 c 11.5 12 12.5 v i o = 5ma to 350ma v i = 14.5v to 27v 11.4 12 12.6 line regulation (note1) ? v o i o = 200ma t j = +25 c v i = 14.5v to 30v - - 100 mv v i = 16v to 30v - - 50 load regulation (note1) ? v o i o = 5ma to 0.5a, t j = +25 c - - 240 mv i o = 5ma to 200ma, t j = +25 c - - 120 quiescent current i q t j =+25 c-4.16.0ma quiescent current change ? i q i o = 5ma to 350ma - - 0.5 ma i o = 200ma v i = 14.5v to 30v --0.8 output voltage drift ? v/ ? t i o = 5ma t j = 0 to +125 c --0.5-mv/ c output noise voltage v n f = 10hz to 100khz - 75 - v/vo ripple rejection rr f = 120hz, i o = 300ma v i = 15v to 25v, t j =+25 c -80- db dropout voltage v d t j =+25 c, i o = 500ma - 2 - v short circuit current i sc t j = +25 c, v i = 35v - 300 - ma peak current i pk t j = +25 c - 700 - ma leshan radio company, ltd. 5/11 lr78mxx 5/11
electrical characteristics ( lr 78m15) (continued) (refer to the test circuits, 0 < t j < +125 c, i o =350ma, v i =23v, unless otherwise specified, c i =0.33 f, c o =0.1 f) note: 1. load and line regulation are specified at constant junction temperature. change in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. parameter symbol conditions min. typ. max. unit output voltage v o t j = +25 c 14.4 15 15.6 v i o = 5ma to 350ma v i = 17.5v to 30v 14.25 15 15.75 line regulation (note1) ? v o i o = 200ma t j =+25 c v i = 17.5v to 30v - - 100 mv v i = 20v to 30v - - 50 load regulation (note1) ? v o i o = 5ma to 0.5a, t j =+25 c - - 300 mv i o = 5ma to 200ma, t j =+25 c - - 150 quiescent current i q t j = +25 c-4.16.0ma quiescent current change ? i q i o = 5ma to 350ma - - 0.5 ma i o = 200ma v i = 17.5v to 30v --0.8 output voltage drift ? v/ ? t i o = 5ma t j = 0 to +125 c --1 -mv/ c output noise voltage v n f = 10hz to 100khz - 100 - v/vo ripple rejection rr f = 120hz, i o = 300ma v i = 18.5v to 28.5v, t j =+25 c -70 - db dropout voltage v d t j =+25 c, i o = 500ma - 2 - v short circuit current i sc t j = +25 c, v i = 35v - 300 - ma peak current i pk t j = +25 c - 700 - ma leshan radio company, ltd. 6/11 lr78mxx 6/11
electrical characteristics ( lr 78m18) (continued) (refer to the test circuits, 0 < t j < +125 c, i o =350ma, v i =26v, unless otherwise specified, c i =0.33 f, c o =0.1 f) note: 1. load and line regulation are specified at constant junction temperature. change in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. parameter symbol conditions min. typ. max. unit output voltage v o t j = +25 c 17.3 18 18.7 v i o = 5ma to 350ma v i = 20.5v to 33v 17.1 18 18.9 line regulation (note1) ? v o i o = 200ma t j = +25 c v i = 21v to 33v - - 100 mv v i = 24v to 33v - - 50 load regulation (note1) ? v i o = 5ma to 0.5a, t j = +25 c - - 360 mv i o = 5ma to 200ma, t j = +25 c - - 180 quiescent current i q t j = +25 c-4.26.0ma quiescent current change ? i q i o = 5ma to 350ma - - 0.5 ma i o = 200ma v i = 21v to 33v --0.8 output voltage drift ? v/ ? ti o = 5mat j = 0 to 125 c--1.1-mv/ c output noise voltage v n f = 10hz to 100khz - 100 - v/vo ripple rejection rr f = 120hz, i o = 300ma , v i = 22v to 32v t j =+25 c -70 - db dropout voltage v d t j = +25 c, i o = 500ma - 2 - v short circuit current i sc t j = +25 c, v i = 35v - 300 - ma peak current i pk t j = +25 c - 700 - ma leshan radio company, ltd. 7/11 lr78mxx 7/11
electrical characteristics ( lr 78m24) (continued) (refer to the test circuits, 0 < t j < +125 c, i o =350ma, v i =33v, unless otherwise specified, c i =0.33 f, c o =0.1 f) note: 1. load and line regulation are specified at constant junction temperature. change in v o due to heating effects must be taken into account separately. pulse testing with low duty is used. parameter symbol conditions min. typ. max. unit output voltage v o t j =+25 c232425 v i o = 5ma to 350ma v i = 27v to 38v 22.8 24 25.2 line regulation (note1) ? v o i o = 200ma t j =+25 c v i = 27v to 38v - - 100 mv v i = 28v to 38v - - 50 load regulation (note1) ? v o i o = 5ma to 0.5a, t j =+25 c - - 480 mv i o = 5ma to 200ma, t j =+25 c - - 240 quiescent current i q t j = +25 c-4.26.0ma quiescent current change ? i q i o = 5ma to 350ma - - 0.5 ma i o = 200ma v i = 27v to 38v --0.8 output voltage drift ? v/ ? t i o = 5ma t j = 0 to +125 c --1.2-mv/ c output noise voltage v n f = 10hz to 100khz - 170 - v/vo ripple rejection rr f = 120hz, i o = 300ma v i = 28v to 38v, t j =+25 c -70- db dropout voltage v d t j = +25 c, i o = 500ma - 2 - v short circuit current i sc t j = +25 c, v i = 35v - 300 - ma peak current i pk t j = +25 c - 700 - ma leshan radio company, ltd. 8/11 lr78mxx 8/11
mechanical dimensions package dimensions in millimeters 4.50 0.20 9.90 0.20 1.52 0.10 0.80 0.10 2.40 0.20 10.00 0.20 1.27 0.10 ?.60 0.10 (8.70) 2.80 0.10 15.90 0.20 10.08 0.30 18.95max. (1.70) (3.70) (3.00) (1.46) (1.00) (45 ) 9.20 0.20 13.08 0.20 1.30 0.10 1.30 +0.10 ?.05 0.50 +0.10 ?.05 2.54typ [2.54 0.20 ] 2.54typ [2.54 0.20 ] to-220 leshan radio company, ltd. 9/11 lr78mxx 9/11
mechanical dimensions (continued) package dimensions in millimeters 6.60 0.20 2.30 0.10 0.50 0.10 5.34 0.30 0.70 0.20 0.60 0.20 0.80 0.20 9.50 0.30 6.10 0.20 2.70 0.20 9.50 0.30 6.10 0.20 2.70 0.20 min0.55 0.76 0.10 0.50 0.10 1.02 0.20 2.30 0.20 6.60 0.20 0.76 0.10 (5.34) (1.50) (2xr0.25) (5.04) 0.89 0.10 (0.10) (3.05) (1.00) (0.90) (0.70) 0.91 0.10 2.30typ [2.30 0.20] 2.30typ [2.30 0.20] max0.96 (4.34) (0.50) (0.50) d-pak leshan radio company, ltd. 10/11 lr78mxx 10/11
ordering informat ion product number package operating temperature lr 78m05ct to-220 0 ~ +125 c lr 78m06ct lr 78m08ct lr 78m12ct lr 78m15ct lr 78m18ct lr 78m24ct lr 78m05cdt d-pak lr 78m06cdt lr 78m08cdt lr 78m12cdt leshan radio company, ltd. 11/11 lr78mxx 11/11

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