? semiconductor components industries, llc, 2004 july, 2004 ? rev. 9 1 publication order number: mc79m00/d mc79m00 series 500 ma negative voltage regulators the mc79m00 series of fixed output negative voltage regulators are intended as complements to the popular mc78m00 series devices. available in fixed output voltage options of ?5.0 v, ?8.0 v, ?12 v and ?15 v, these regulators employ current limiting, thermal shutdown, and safe?area compensation, making them remarkably rugged under most operating conditions. with adequate heatsinking they can deliver output currents in excess of 0.5 a. ? no external components required ? internal thermal overload protection ? internal short circuit current limiting ? output transistor safe?area compensation ? also available in surface mount dpak (dt) package ? pb?free packages are available device type/nominal output voltage device nominal output voltage mc79m05 mc79m08 mc79m12 mc79m15 ?5.0 v ?8.0 v ?12 v ?15 v figure 1. representative schematic diagram gnd v o v i 2.4 k 25 3.6 k 1.2 k 1.1 k 2.0 k 12 k 1.0 k 4.9 k 2.0 k 14.7 k 11.5 k 547 2.0 k 4.0 k 0.3 10 k 10 k 20 k 20 k 20 pf 10 pf 240 750 100 2.0 k this device contains 31 active transistors. r1 r2 dpak?3 dt suffix case 369c pin 1. ground 2. input 3. output to?220?3 t suffix case 221a 3 1 2 http://onsemi.com three?terminal negative fixed voltage regulators see detailed ordering and shipping information in the package dimensions section on page 5 of this data sheet. ordering information 1 2 3 4 marking diagrams mc 79mxxyt awlyww xx = 05, 08, 12, or 15 y = b or c a = assembly location wl, l = wafer lot y = year ww = work week standard application mc79mxx input c in * 0.33 f output c o ** 1.0 f a common ground is required between the input and the output voltages. the input voltage must remain typically 1.1 v more negative even during the high point of the input ripple voltage. xx these two digits of the type number indicate nominal voltage. *c in is required if regulator is located an appreciable distance from power supply filter. ** c o improve stability and transient response. 9mxxb alyww 79mxx alyww
mc79m00 series http://onsemi.com 2 maximum ratings (t a = 25 c, unless otherwise noted.) rating symbol value unit input voltage v i ?35 vdc power dissipation case 221a (to?220?3) t a = 25 c p d internally limited w thermal resistance, junction?to?ambient ja 65 c/w thermal resistance, junction?to?case jc 5.0 c/w case 369c (dpak?3) t a = 25 c p d internally limited w thermal resistance, junction?to?ambient ja 92 c/w thermal resistance, junction?to?case jc 6.0 c/w storage junction temperature t stg ?65 to +150 c junction temperature t j 150 c maximum ratings are those values beyond which device damage can occur. maximum ratings applied to the device are individual stress limi t values (not normal operating conditions) and are not valid simultaneously. if these limits are exceeded, device functional oper ation is not implied, damage may occur and reliability may be affected. note: esd data available upon request. thermal characteristics characteristic symbol value unit thermal resistance, junction?to?ambient r ja 65 c/w thermal resistance, junction?to?case r jc 5.0 c/w mc79m05b, c electrical characteristics (v i = ?10 v, i o = 350 ma, t low to t high (note 2), unless otherwise noted.) characteristic symbol min typ max unit output voltage (t j = 25 c) v o ?4.8 ?5.0 ?5.2 vdc line regulation, t j = 25 c (note 1) ?7.0 vdc v i ?25 vdc ?8.0 vdc v i ?18 vdc reg line ? ? 7.0 2.0 50 30 mv load regulation, t j = 25 c (note 1) 5.0 ma i o 500 ma reg load ? 30 100 mv output voltage ?7.0 vdc v i ?25 vdc, 5.0 ma i o 350 ma v o ?4.75 ? ?5.25 vdc input bias current (t j = 25 c) i ib ? 4.3 8.0 ma input bias current change ?8.0 vdc v i ?25 vdc, i o = 350 ma 5.0 ma i o 350 ma, v i = ?10 v i ib ? ? ? ? 0.4 0.4 ma output noise voltage, t a = 25 c, 10 hz f 100 khz v n ? 40 ? v ripple rejection (f = 120 hz) rr 54 66 ? db dropout voltage i o = 500 ma, t j = 25 c v i ?v o ? 1.1 ? vdc average temperature coefficient of output voltage i o = 5.0 ma, 0 c t j 125 c v o / t ? 0.2 ? mv/ c 1. load and line regulation are specified at constant temperature. change in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used. 2. b = t low to t high , ?40 c < t j < 125 c c = t low to t high , 0 c < t j < 125 c.
mc79m00 series http://onsemi.com 3 mc79m08b, c electrical characteristics (v i = ?10 v, i o = 350 ma, t low to t high (note 4), unless otherwise noted.) characteristic symbol min typ max unit output voltage (t j = 25 c) v o ?7.7 ?8.0 ?8.3 vdc line regulation, t j = 25 c (note 3) ?7.0 vdc v i ?25 vdc ?8.0 vdc v i ?18 vdc reg line ? ? 5.0 3.0 80 50 mv load regulation, t j = 25 c (note 3) 5.0 ma i o 500 ma reg load ? 30 100 mv output voltage ?7.0 vdc v i ?25 vdc, 5.0 ma i o 350 ma v o ?7.6 ?8.0 ?8.4 vdc input bias current (t j = 25 c) i ib ? ? 8.0 ma input bias current change ?8.0 vdc v i ?25 vdc, i o = 350 ma 5.0 ma i o 350 ma, v i = ?10 v i ib ? ? ? ? 0.4 0.4 ma output noise voltage, t a = 25 c, 10 hz f 100 khz v n ? 60 ? v ripple rejection (f = 120 hz) rr 54 63 ? db dropout voltage i o = 500 ma, t j = 25 c v i ?v o ? 1.1 ? vdc average temperature coefficient of output voltage i o = 5.0 ma, 0 c t j 125 c v o / t ? 0.4 ? mv/ c 3. load and line regulation are specified at constant temperature. change in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used. 4. b = t low to t high , ?40 c < t j < 125 c c = t low to t high , 0 c < t j < 125 c mc79m12b, c electrical characteristics (v i = ?19 v, i o = 350 ma, t low to t high (note 6), unless otherwise noted.) characteristic symbol min typ max unit output voltage (t j = 25 c) v o ?11.5 ?12 ?12.5 vdc line regulation, t j = 25 c (note 5) ?14.5 vdc v i ?30 vdc ?15 vdc v i ?25 vdc reg line ? ? 5.0 3.0 80 50 mv load regulation, t j = 25 c (note 5) 5.0 ma i o 500 ma reg load ? 30 240 mv output voltage ?14.5 vdc v i ?30 vdc, 5.0 ma i o 350 ma v o ?11.4 ? ?12.6 vdc input bias current (t j = 25 c) i ib ? 4.4 8.0 ma input bias current change ?14.5 vdc v i ?30 vdc, i o = 350 ma 5.0 ma i o 350 ma, v i = ?19 v i ib ? ? ? ? 0.4 0.4 ma output noise voltage, t a = 25 c, 10 hz f 100 khz v n ? 75 ? v ripple rejection (f = 120 hz) rr 54 60 ? db dropout voltage i o = 500 ma, t j = 25 c v i ?v o ? 1.1 ? vdc average temperature coefficient of output voltage i o = 5.0 ma, 0 c t j 125 c v o / t ? ?0.8 ? mv/ c 5. load and line regulation are specified at constant temperature. change in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used. 6. b = t low to t high , ?40 c < t j < 125 c c = t low to t high , 0 c < t j < 125 c
mc79m00 series http://onsemi.com 4 mc79m15b, c electrical characteristics (v i = ? 23 v, i o = 350 ma, t low to t high (note 8), unless otherwise noted.) characteristic symbol min typ max unit output voltage (t j = 25 c) v o ?14.4 ?15 ?15.6 vdc line regulation, t j = 25 c (note 7) ?17.5 vdc v i ?30 vdc ?18 vdc v i ?28 vdc reg line ? ? 5.0 3.0 80 50 mv load regulation, t j = 25 c (note 7) 5.0 ma i o 500 ma reg load ? 30 240 mv output voltage ?17.5 vdc v i ?30 vdc, 5.0 ma i o 350 ma v o ?14.25 ? ?15.75 vdc input bias current (t j = 25 c) i ib ? 4.4 8.0 ma input bias current change ?17.5 vdc v i ?30 vdc, i o = 350 ma 5.0 ma i o 350 ma, v i = ?23 v i ib ? ? ? ? 0.4 0.4 ma output noise voltage, t a = 25 c, 10 hz f 100 khz v n ? 90 ? v ripple rejection (f = 120 hz) rr 54 60 ? db dropout voltage i o = 500 ma, t j = 25 c v i ?v o ? 1.1 ? vdc average temperature coefficient of output voltage i o = 5.0 ma, 0 c t j 125 c v o / t ? ?1.0 ? mv/ c 7. load and line regulation are specified at constant temperature. change in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used. 8. b = t low to t high , ?40 c < t j < 125 c c = t low to t high , 0 c < t j < 125 c r , thermal resistance ja q junction-to-air ( c/w) p d , maximum power dissipation (w) figure 1. dpak?3 thermal resistance and maximum power dissipation versus p.c.b. copper length 40 50 60 70 80 90 100 0102030 25 15 5.0 l, length of copper (mm) minimum size pad l free air mounted vertically r ja 2.0 oz. copper l ???? ???? ???? ???? 0 0.4 0.8 1.2 1.6 2.0 2.4 p d(max) for t a = 50 c
mc79m00 series http://onsemi.com 5 ordering information device output voltage tolerance operating temperature range package shipping 2 MC79M05BDT dpak?3 75 units / rail MC79M05BDTrk t j = ? 40 to +125 c 2500 / tape & reel mc79m05bt j 0 o5 c to?220?3 50 units / rail mc79m05cdt dpak?3 75 units / rail mc79m05cdtrk 2500 / tape & reel mc79m05ct t j = 0 to +125 c to?220?3 50 units / rail mc79m05ctg to?220?3 (pb?free) 50 units / rail mc79m08bdt dpak?3 75 units / rail mc79m08bdtrk t j = ? 40 to +125 c 2500 / tape & reel mc79m08bt j 0 o5 c to?220?3 50 units / rail mc79m08cdt dpak?3 75 units / rail mc79m08cdtrk t j = 0 to +125 c 2500 / tape & reel mc79m08ct j 0 o5 c to?220?3 50 units / rail mc79m12bdt dpak?3 75 units / rail mc79m12bdtg t j = ? 40 to +125 c dpak?3 (pb?free) 75 units / rail mc79m12bdtrk t j = ?40 to +125 c dpak?3 2500 / tape & reel mc79m12bt 4.0% to?220?3 50 units / rail mc79m12cdt 0% dpak?3 75 units / rail mc79m12cdtg dpak?3 (pb?free) 75 units / rail mc79m12cdtrk t j = 0 to +125 c dpak?3 2500 / tape & reel mc79m12ct j 0 o5 c to?220?3 50 units / rail mc79m12ctg to?220?3 (pb?free) 50 units / rail mc79m15bdt dpak?3 75 units / rail mc79m15bdtrk t j = ? 40 to +125 c 2500 / tape & reel mc79m15bt j 0 o5 c to?220?3 50 units / rail mc79m15cdt dpak?3 75 units / rail mc79m15cdtg dpak?3 (pb?free) 75 units / rail mc79m15cdtrk dpak?3 2500 / tape & reel mc79m15cdtrkg t j = 0 to +125 c dpak?3 (pb?free) 2500 / tape & reel mc79m15ct dpak?3 50 units / rail mc79m15ctg dpak?3 (pb?free) 50 units / rail 2for information on tape and reel specifications, including part orientation and tape sizes, please refer to our tape and reel packaging specifications brochure, brd8011/d.
mc79m00 series http://onsemi.com 6 package dimensions to?220 plastic package t suffix case 221a?09 issue aa notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. dimension z defines a zone where all body and lead irregularities are allowed. dim min max min max millimeters inches a 0.570 0.620 14.48 15.75 b 0.380 0.405 9.66 10.28 c 0.160 0.190 4.07 4.82 d 0.025 0.035 0.64 0.88 f 0.142 0.147 3.61 3.73 g 0.095 0.105 2.42 2.66 h 0.110 0.155 2.80 3.93 j 0.018 0.025 0.46 0.64 k 0.500 0.562 12.70 14.27 l 0.045 0.060 1.15 1.52 n 0.190 0.210 4.83 5.33 q 0.100 0.120 2.54 3.04 r 0.080 0.110 2.04 2.79 s 0.045 0.055 1.15 1.39 t 0.235 0.255 5.97 6.47 u 0.000 0.050 0.00 1.27 v 0.045 --- 1.15 --- z --- 0.080 --- 2.04 b q h z l v g n a k f 123 4 d seating plane ?t? c s t u r j
mc79m00 series http://onsemi.com 7 dpak?3 dt suffix case 369c?01 issue o d a k b r v s f l g 2 pl m 0.13 (0.005) t e c u j h ?t? seating plane z dim min max min max millimeters inches a 0.235 0.245 5.97 6.22 b 0.250 0.265 6.35 6.73 c 0.086 0.094 2.19 2.38 d 0.027 0.035 0.69 0.88 e 0.018 0.023 0.46 0.58 f 0.037 0.045 0.94 1.14 g 0.180 bsc 4.58 bsc h 0.034 0.040 0.87 1.01 j 0.018 0.023 0.46 0.58 k 0.102 0.114 2.60 2.89 l 0.090 bsc 2.29 bsc r 0.180 0.215 4.57 5.45 s 0.025 0.040 0.63 1.01 u 0.020 ??? 0.51 ??? v 0.035 0.050 0.89 1.27 z 0.155 ??? 3.93 ??? notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 123 4 5.80 0.228 2.58 0.101 1.6 0.063 6.20 0.244 3.0 0.118 6.172 0.243 mm inches scale 3:1 *for additional information on our pb?free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. soldering footprint*
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