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?2002 fairchild semiconductor corporation www.fairchildsemi.com rev. 1.0.3 features ? output current up to 0.5a ? output voltages of 5, 6, 8, 10, 12, 15, 18, 24v ? thermal overload protection ? short circuit protection ? output transistor safe operating area (soa) protection description the ka78mxx 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 internal block diagram output 3 r20 r19 gnd 2 1 input series pass element soa protection current generator starting circuit reference voltage error amplifier thermal protection ka78mxx 3-terminal 0.5a positive voltage regulator
ka78mxx 2 absolute maximum ratings electrical characteristics (ka78m05/ka78m05r) (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: 1. thermal resistance test board size: 76.2mm * 114.3mm * 1.6mm(1s0p) jedec standard: jesd51-3, jesd51-7 2. assume no ambient airflow 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-cases (note1) to-220 r jc 2.5 c/w thermal resistance junction-air (note1,2) to-220 d-pak r ja 66 92 c/w operating temperature range t opr 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 c4.855.2 v i o = 5 to 350ma v i = 7 to 20v 4.75 5 5.25 line regulation (note3) ? v o i o = 200ma t j =+25 c v i = 7 to 25v - - 100 me v i = 8 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 = 8 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 = 8 to 18v 62 - - 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
ka78mxx 3 electrical characteristics (ka78m06/ka78m06r) (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 tj=+25 c 5.75 6 6.25 v i o = 5 to 350ma v i = 8 to 21v 5.7 6 6.3 line regulation (note1) ? v o i o = 200ma t j =+25 c v i = 8 to 25v - - 100 mv v i = 9 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 = 9 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 = 11.5 to 21.5v 59 - - 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
ka78mxx 4 electrical characteristics (ka78m08/ka78m08r) (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 c 7.7 8 8.3 v i o = 5 to 350ma v i = 10.5 to 23v 7.6 8 8.4 line regulation (note1) ? v o i o = 200ma t j =+25 c v i = 10.5 to 25v - - 100 mv v i = 11 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 = 10.5 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 = 9 to 19v 56 - - 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
ka78mxx 5 electrical characteristics (ka78m10) (continued) (refer to the test circuits, 0 < t j < +125 c, i o =350ma, v i =17v, 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 9.6 10 10.4 v i o = 5 to 350ma v i = 12.5 to 25v 9.5 10 10.5 line regulation (note1) ? v o i o = 200ma t j =+25 c v i = 12.5 to 25v - - 100 mv v i = 13 to 25v - - 50 load regulation (note1) ? v o i o = 5ma to 0.5a, t j =+25 c - - 200 mv i o = 5ma to 200ma, t j =+25 c - - 100 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 = 12.5 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 - 65 - v/vo ripple rejection rr f = 120hz, i o = 300ma v i = 13 to 23v 55 - - 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
ka78mxx 6 electrical characteristics (ka78m12/ka78m12r) (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 = 5 to 350ma v i = 14.5 to 27v 11.5 12 12.6 line regulation (note1) ? v o i o = 200ma t j =+25 c v i = 14.5 to 30v - - 100 mv v i = 16 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 = 14.5 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 = 15 to 25v 55 - 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
ka78mxx 7 electrical characteristics (ka78m15) (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 = 5 to 350ma v i = 17.5 to 30v 14.25 15 15.75 line regulation (note1) ? v o i o = 200ma t j =+25 c v i = 17.5 to 30v - - 100 mv v i = 20 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 = 17.5 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 = 18.5 to 28.5v 54 - - 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
ka78mxx 8 electrical characteristics (ka78m18) (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 = 5 to 350ma v i = 20.5 to 33v 17.1 18 18.9 line regulation (note1) ? v o i o = 200ma t j =+25 c v i = 21 to 33v - - 100 mv v i = 24 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 = 21 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 =22 to 32v 53 - - 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
ka78mxx 9 electrical characteristics (ka78m24) (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 = 5 to 350ma v i = 27 to 38v 22.8 24 25.2 line regulation ? v o i o = 200ma t j =+25 c v i = 27 to 38v - - 100 mv v i = 28 to 38v - - 50 load regulation ? 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-4.26ma quiescent current change ? i q i o = 5ma to 350ma - - 0.5 ma i o = 200ma v i = 27 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 ripple rejection rr f = 120hz, i o = 300ma v i = 28 to 38v 50 - - 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
ka78mxx 10 typical applications figure 1. fixed output regulator figure 2. constant current regulator notes: 1. to specify an output voltage, substitute voltage value for "xx" 2. although no output capacitor is needed for stability, it does improve transient response. 3. required if regulator is located an appreciable distance from power supply filter figure 3. circuit for increasing output voltage 0.1 f c o c i 0.3 f v o v i mc78mxx lm78mxx 1 3 2 0.1 f c o c i 0.33 f i o v i mc78mxx lm78mxx 1 3 2 vxx i o r 1 i o = r 1 +i o vxx 0.1 f c o c i 0.33 f i o v i mc78mxx lm78mxx 1 3 2 v xx v o r 1 r 2 i r1 5i o v o = v xx (1+r 2 /r 1 ) +i o r 2
ka78mxx 11 figure 4. adjustable output regulator (7 to 30v) figure 5. 0.5 to 10v regulator 0.1 f c o c i 0.33 f v o v i mc78m05 lm78m05 1 3 2 10k ? 3 2 4 7 6 lm741 0.1 f c2 c1 0.33 f v o v i mc78m05 lm78m05 1 3 2 10k ? 3 2 4 7 6 lm741 r3 r1 vxx r4 r5 910 ? 9.1k ? 13v < v i < 25v -7 < -vi < 17v _ + v o = vxx r 1 r 4
ka78mxx 12 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
ka78mxx 13 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
ka78mxx 6/14/02 0.0m 001 stock#dsxxxxxxxx ? 2002 fairchild semiconductor corporation 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 the president of fairchild semiconductor corporation. as used herein: 1. life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. a critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com 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. ordering information product number package operating temperature ka78m05 to-220 0 ~ +125 c ka78m06 ka78m08 ka78m10 ka78m12 ka78m15 ka78m18 ka78m24 ka78m05r d-pak ka78m06r ka78m08r ka78m12r ka78m08ar
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