? semiconductor components industries, llc, 2013 july, 2013 ? rev. 15 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. features ? 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 221ab 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 6 of this data sheet. ordering information 1 2 3 4 marking diagrams mc 79mxxyt awlywwg xx = 05, 08, 12, or 15 y = b or c a = assembly location wl, l = wafer lot y = year ww = work week g = pb ? free device 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. 9mxxbg alyww 79mxxg 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 operating junction temperature range t j ? 40 to +150 c stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above t he recommended operating conditions is not implied. extended exposure to stresses above the recommended operating conditions may af fect device reliability. *this device series contains esd protection and exceeds the following tests: human body model 2000 v per mil_std_883, method 3015 machine model method 200 v 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) ? 10.5 vdc v i ? 25 vdc ? 11 vdc v i ? 21 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 ? 10.5 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 ? 10.5 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 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 ???? ???? ???? ???? c
mc79m00 series http://onsemi.com 5 protection diodes when external capacitors are used with mc79m00 series regulator it is sometimes necessary to add protection diodes to prevent the capacitors from discharging through low current points into the regulator or from output polarity reversals . generally , no protection diode is required for values of output capacitance less then 10 f. figure 2 shows the mc79m15 with the recommended protection diodes. ? opposite polarity protection diode d 1 protects the regulator from output polarity reversals during startup, power off and short-circuit operation. ? reverse-bias protection diode d 2 prevents output capacitor from discharging thru the mc79m15 during an input short circuit or fast switch off of power supply. figure 2. protection diodes gnd gnd + -20 v input -15 v output mc79m15 + 1.0 f 1.0 f mbrs140 or equiv d1 mbrs140 or equiv d2
mc79m00 series http://onsemi.com 6 ordering information device output voltage tolerance operating temperature range package shipping ? mc79m05bdt 4.0% t j = ? 40 c to +125 c dpak 75 units / rail mc79m05bdtg dpak (pb ? free) 75 units / rail mc79m05bdtrk dpak 2500 units / reel mc79m05bdtrkg dpak (pb ? free) 2500 units / reel mc79m05bt to ? 220 50 units / rail mc79m05btg to ? 220 (pb ? free) 50 units / rail mc79m05cdt t j = 0 c to +125 c dpak 75 units / rail mc79m05cdtg dpak (pb ? free) 75 units / rail mc79m05cdtrk dpak 2500 units / reel mc79m05cdtrkg dpak (pb ? free) 2500 units / reel mc79m05ct to ? 220 50 units / rail mc79m05ctg to ? 220 (pb ? free) 50 units / rail mc79m08bdt t j = ? 40 c to +125 c dpak 75 units / rail mc79m08bdtrk dpak 2500 units / reel mc79m08bdtrkg dpak (pb ? free) 2500 units / reel mc79m08bt to ? 220 50 units / rail MC79M08BTG to ? 220 (pb ? free) 50 units / rail mc79m08cdt t j = 0 c to +125 c dpak 75 units / rail mc79m08cdtg dpak (pb ? free) 75 units / rail mc79m08cdtrk dpak 2500 units / reel mc79m08cdtrkg dpak (pb ? free) 2500 units / reel mc79m08ct to ? 220 50 units / rail mc79m08ctg to ? 220 (pb ? free) 50 units / rail mc79m12bdt t j = ? 40 c to +125 c dpak 75 units / rail mc79m12bdtg dpak (pb ? free) 75 units / rail mc79m12bdtrk dpak 2500 units / reel mc79m12bdtrkg dpak (pb ? free) 2500 units / reel mc79m12bt to ? 220 50 units / rail mc79m12btg to ? 220 (pb ? free) 50 units / rail mc79m12cdt t j = 0 c to +125 c dpak 75 units / rail mc79m12cdtg dpak (pb ? free) 75 units / rail mc79m12cdtrk dpak 2500 units / reel mc79m12cdtrkg dpak (pb ? free) 2500 units / reel mc79m12ct to ? 220 50 units / rail mc79m12ctg to ? 220 (pb ? free) 50 units / rail ?for 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 7 ordering information device output voltage tolerance operating temperature range package shipping mc79m15bdt 4.0% t j = ? 40 c to +125 c dpak 75 units / rail mc79m15bdtg dpak (pb ? free) 75 units / rail mc79m15bdtrk dpak 2500 units / reel mc79m15bdtrkg dpak (pb ? free) 2500 units / reel mc79m15bt to ? 220 50 units / rail mc79m15btg to ? 220 (pb ? free) 50 units / rail mc79m15cdt t j = 0 c to +125 c dpak 75 units / rail mc79m15cdtg dpak (pb ? free) 75 units / rail mc79m15cdtrk dpak 2500 units / reel mc79m15cdtrkg dpak (pb ? free) 2500 units / reel mc79m15ct to ? 220 50 units / rail mc79m15ctg to ? 220 (pb ? free) 50 units / rail ?for 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 8 package dimensions to ? 220, single gauge case 221ab issue a notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inches. 3. dimension z defines a zone where all body and lead irregularities are allowed. 4. product shipped prior to 2008 had dimensions s = 0.045 - 0.055 inches (1.143 - 1.397 mm) 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 0.020 0.024 0.508 0.61 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 9 package dimensions dpak ? 3 dt suffix case 369c issue d b d e b3 l3 l4 b2 e m 0.005 (0.13) c c2 a c c z dim min max min max millimeters inches d 0.235 0.245 5.97 6.22 e 0.250 0.265 6.35 6.73 a 0.086 0.094 2.18 2.38 b 0.025 0.035 0.63 0.89 c2 0.018 0.024 0.46 0.61 b2 0.030 0.045 0.76 1.14 c 0.018 0.024 0.46 0.61 e 0.090 bsc 2.29 bsc b3 0.180 0.215 4.57 5.46 l4 ??? 0.040 ??? 1.01 l 0.055 0.070 1.40 1.78 l3 0.035 0.050 0.89 1.27 z 0.155 ??? 3.93 ??? notes: 1. dimensioning and tolerancing per asme y14.5m, 1994. 2. controlling dimension: inches. 3. thermal pad contour optional within di- mensions b3, l3 and z. 4. dimensions d and e do not include mold flash, protrusions, or burrs. mold flash, protrusions, or gate burrs shall not exceed 0.006 inches per side. 5. dimensions d and e are determined at the outermost extremes of the plastic body. 6. datums a and b are determined at datum plane h. 12 3 4 5.80 0.228 2.58 0.102 1.60 0.063 6.20 0.244 3.00 0.118 6.17 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* h 0.370 0.410 9.40 10.41 a1 0.000 0.005 0.00 0.13 l1 0.108 ref 2.74 ref l2 0.020 bsc 0.51 bsc a1 h detail a seating plane a b c l1 l h l2 gauge plane detail a rotated 90 cw on semiconductor and are registered trademarks of semiconductor co mponents industries, llc (scillc). scillc owns the rights to a numb er of patents, trademarks, copyrights, trade secrets, and other intellectual property. a list ing of scillc?s product/patent coverage may be accessed at ww w.onsemi.com/site/pdf/patent ? marking.pdf. scillc reserves the right to make changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and s pecifically disclaims any and all liability, including without limitation special, consequential or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/ or specifications can and do vary in different applications and actual performance may vary over time. all operating parame ters, including ?typicals? must be validated for each customer application by customer?s technical experts. scillc does not convey any license under its patent rights nor the right s of others. scillc products are not designed, intended, or a uthorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in whic h the failure of the scillc product could create a situation where personal injury or death may occur. should buyer purchase or us e scillc products for any such unintended or unauthorized appli cation, buyer shall indemnify and hold scillc and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unin tended or unauthorized use, even if such claim alleges that scil lc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyrig ht laws and is not for resale in any manner. publication ordering information n. american technical support : 800 ? 282 ? 9855 toll free usa/canada europe, middle east and africa technical support: phone: 421 33 790 2910 japan customer focus center phone: 81 ? 3 ? 5817 ? 1050 mc79m00/d literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 303 ? 675 ? 2175 or 800 ? 344 ? 3860 toll free usa/canada fax : 303 ? 675 ? 2176 or 800 ? 344 ? 3867 toll free usa/canada email : orderlit@onsemi.com on semiconductor website : www.onsemi.com order literature : http://www.onsemi.com/orderlit for additional information, please contact your local sales representative
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