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? semiconductor components industries, llc, 2002 january, 2002 rev. 11 1 publication order number: mc33269/d mc33269 800 ma, adjustable output, low dropout voltage regulator the mc33269 series are low dropout, medium current, fixed and adjustable, positive voltage regulators specifically designed for use in low input voltage applications. these devices offer the circuit designer an economical solution for precision voltage regulation, while keeping power losses to a minimum. the regulator consists of a 1.0 v dropout composite pnpnpn pass transistor, current limiting, and thermal shutdown. ? 3.3 v, 5.0 v, 12 v and adjustable versions. 2.85 v version available as mc34268. ? space saving dpak, sop8 and sot223 power packages ? 1.0 v dropout ? output current in excess of 800 ma ? thermal protection ? short circuit protection ? output trimmed to 1.0% tolerance device type/nominal output voltage mc33269d adj mc33269d5.0 5.0 v mc33269dt adj mc33269dt5.0 5.0 v mc33269t adj mc33269t5.0 5.0 v mc33269d3.3 3.3 v mc33269d12 12 v mc33269dt3.3 3.3 v mc33269dt12 12 v mc33269t3.3 3.3 v mc33269t12 12 v mc33269st3.3 3.3 v to220ab t suffix case 221a http://onsemi.com see detailed ordering and shipping information in the package dimensions section on page 7 of this data sheet. ordering information 1 8 7 6 5 1 2 3 4 gnd/adj so8 d suffix case 751 dpak dt suffix case 369a v in nc nc 1. gnd/adj 2. v out 3. v in 1 (top view) v out v out heatsink surface (shown as terminal 4 in case outline drawing) is connected to pin 2. sot223 st suffix case 318e 8 23 (top view) 1 3 1 3 (top view) 123 1 2 3 123 (top view) heatsink surface (shown as terminal 4 in case outline drawing) is connected to pin 2. see general marking information in the device marking section on page 8 of this data sheet. device marking information 1. gnd/adj 2. v out 3. v in
mc33269 http://onsemi.com 2 maximum ratings rating symbol value unit power supply input voltage v in 20 v power dissipation case 369a (dpak) t a = 25 c p d internally limited w thermal resistance, junctiontoambient q ja 92 c/w thermal resistance, junctiontocase q jc 6.0 c/w case 751 (sop8) t a = 25 c p d internally limited w thermal resistance, junctiontoambient q ja 160 c/w thermal resistance, junctiontocase q jc 25 c/w case 221a t a = 25 c p d internally limited w thermal resistance, junctiontoambient q ja 65 c/w thermal resistance, junctiontocase q jc 5.0 c/w case 318e t a = 25 c p d internally limited w thermal resistance, junctiontoambient q ja 156 c/w thermal resistance, junctiontocase q jc 15 c/w operating junction temperature range t j 40 to +150 c storage temperature t stg 55 to +150 c note: esd data available upon request. electrical characteristics (c o = 10 m f, t a = 25 c, for min/max values t j = 40 c to +125 c, unless otherwise noted.) characteristic symbol min typ max unit output voltage (i out = 10 ma, t j = 25 c) v o v 3.3 suffix (v cc = 5.3 v) 3.27 3.3 3.33 5.0 suffix (v cc = 7.0 v) 4.95 5.0 5.05 12 suffix (v cc = 14 v) 11.88 12 12.12 output voltage (line, load and temperature) (note 1) v o v (1.25 v v in v out 15 v, i out = 500 ma) (1.35 v v in v out 10 v, i out = 800 ma) 3.3 suffix 3.23 3.3 3.37 5.0 suffix 4.9 5.0 5.1 12 suffix 11.76 12 12.24 reference voltage (i out = 10 ma, v in v out = 2.0 v, t j = 25 c) v ref 1.235 1.25 1.265 v for adjustable voltage reference voltage (line, load and temperature) (note 1) v ref 1.225 1.25 1.275 v (1.25 v v in v out 15 v, i out = 500 ma) (1.35 v v in v out 10 v, i out = 800 ma) for adjustable voltage line regulation reg line 0.3 % (i out = 10 ma, v in = [v out + 1.5 v] to v in = 20 v, t j = 25 c) load regulation (v in = v out + 3.0 v, i out = 10 ma to 800 ma, t j = 25 c) reg load 0.5 % dropout voltage v in v out v (i out = 500 ma) 1.0 1.25 (i out = 800 ma) 1.1 1.35 ripple rejection rr 55 db (10 vpp, 120 hz sinewave; i out = 500 ma) current limit (v in v out = 10 v) i limit 800 ma quiescent current (fixed output) (1.5 v v out 3.3 v) (5 v v out 12 v) i q 5.5 8.0 20 ma 1. the mc3326912, v in v out is limited to 8.0 v maximum, because of the 20 v maximum rating applied to v in .
mc33269 http://onsemi.com 3 electrical characteristics (continued) (c o = 10 m f, t a = 25 c, for min/max values t j = 40 c to +125 c, unless otherwise noted.) characteristic symbol min typ max unit minimum required load current i load ma fixed output voltage 0 adjustable voltage 8.0 adjustment pin current i adj 120 m a v in v out v adj gnd trim links this device contains 38 active transistors. figure 1. internal schematic
mc33269 http://onsemi.com 4 i o , output load current (ma) in v out -v figure 2. dropout voltage versus output load current 1.5 1.3 1.1 0.9 0.7 0.5 0 200 400 600 800 1000 figure 3. transient load regulation , dropout voltage (v) 20 ms/div c in = 10 m f c o = 10 m f tantalum v in = v o + 3.0 v preload = 0.1 a 0 a 0.5 a 100 , output i o v o , output d voltage deviation current t a = 25 c t a = -40 c t a = 125 c mv/div -55 900 -25 0 25 50 75 100 125 940 980 1020 1060 1100 figure 4. dropout voltage versus temperature figure 5. mc33269xx output dc current versus inputoutput differential voltage v t a , ambient temperature ( c) i o = 800 ma , overvoltage input threshold (%v ) fb(ov) fb 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0 2.0 4.0 6.0 8.0 10 12 14 16 input-output voltage differential (v) t a = 25 c mc33269d-xx l = 25 mm copper output current (a) 70 0.1 1.0 10 100 60 50 40 30 20 figure 6. mc33269 ripple rejection versus frequency figure 7. mc33269adj ripple rejection versus frequency rr, ripple rejection ratio (db) f, frequency (khz) 20 30 40 50 60 70 rr, ripple rejection ratio (db) 100 10 1.0 f, frequency (khz) v in = 8.0 v v out = 5.0 v i l = 800 ma c adj = 22 m f t a = 25 c 0.1 v in = v o + 3.0 v i l = 800 ma t a = 25 c v o = 12 v v o = 3.3 v or 5.0 v
mc33269 http://onsemi.com 5 ??? ??? ??? r , thermal resistance ja q junctiontoair ( c/w) 40 80 120 160 200 240 280 0.35 0.42 0.50 0.63 0.83 1.25 2.50 0102030 25 15 5.0 l, length of copper (mm) p d(max) for t a = 50 c minimum size pad p d l l , maximum power dissipation (w) free air mounted vertically r q ja 2.0 oz. copper ???? ???? ???? figure 8. sop8 thermal resistance and maximum power dissipation versus p.c.b. copper length r , thermal resistance, ja q junction-to-air ( c/w) r q ja ??? ??? ??? ??? ??? 2.0 oz. copper graph represents symmetrical layout 3.0 mm l l p d(max) for t a = 50 c 30 50 70 90 110 130 150 170 l, length of copper (mm) 0203050 40 10 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 r , thermal resistance, ja q junction-to-air ( c/w) figure 9. dpak thermal resistance and maximum power dissipation versus p.c.b. copper length l ???? ???? ???? ???? 2.0 oz. copper r q ja minimum size pad free air mounted vertically p d(max) for t a = 50 c l 40 50 60 70 80 90 100 0102030 25 15 5.0 l, length of copper (mm) 0 0.4 0.8 1.2 1.6 2.0 2.4 figure 10. sot223 thermal resistance and maximum power dissipation versus p.c.b. copper length
mc33269 http://onsemi.com 6 applications information figures 11 through 15 are typical application circuits. the output current capability of the regulator is in excess of 800 ma, with a typical dropout voltage of less than 1.0 v. internal protective features include current and thermal limiting. * the mc33269 requires an external output capacitor for stability. the capacitor should be at least 10 m f with an equivalent series resistance (esr) of less than 10 w but greater than 0.2 w over the anticipated operating temperature range. w ith economical electrolytic capacitors, cold temperature operation can pose a problem. as temperature decreases, the capacitance also decreases and the esr increases, which could cause the circuit to oscillate. also capacitance and esr of a solid tantalum capacitor is more stable over temperature. the use of a low esr ceramic capacitor placed within close proximity to the output of the device could cause instability. ** an input bypass capacitor is recommended to improve transient response or if the regulator is connected to the supply input filter with long wire lengths. this will reduce the circuit's sensitivity to the input line impedance at high frequencies. a 0.33 m f or larger tantalum, mylar, ceramic, or other capacitor having low internal impedance at high frequencies should be chosen. the bypass capacitor should be mounted with shortest possible lead or track length directly across the regulator's input terminals. applications should be tested over all operating conditions to insure stability. internal thermal limiting circuitry is provided to protect the integrated circuit in the event that the maximum junction temperature is exceeded. when activated, typically at 170 c, the output is disabled. there is no hysteresis built into the thermal limiting circuit. as a result, if the device is overheating, the output will appear to be oscillating. this feature is provided to prevent catastrophic failures from accidental device overheating. it is not intended to be used as a substitute for proper heatsinking. figure 11. typical fixed output application mc33269-xx v in v out gnd c o 10 m f an input capacitor is not necessary for stability, however it will improve the overall performance. figure 12. typical adjustable output application mc33269 v in v out adj c o 10 m f c adj *** r1 r2 ***c adj is optional, however it will improve the ripple rejection. the mc34269 develops a 1.25 v reference voltage between the output and the adjust terminal. resistor r1, operates with constant current to flow through it and resistor r2. this current should be set such that the adjust pin current causes negligible drop across resistor r2. the total current with minimum load should be greater than 8.0 ma. figure 13. current regulator mc33269 v in i out adj r s i out figure 14. battery backedup power supply mc33269-xx v in v out mc33269-xx gnd c o 10 m f figure 15. digitally controlled voltage regulator mc33269 v in v out adj c o 10 m f r1 r2 r 2 sets the maximum output voltage. each transistor reduces the output voltage when turned on. the schottky diode in series with the ground leg of the upper regulator shifts its output voltage higher by the forward voltage drop of the diode. this will cause the lower device to remain off until the input voltage is removed. v out 1.25 1 r2 r1 i adj r2 1.25 r s c in c in c in c o 10 m f c in c in gnd c in ** ** ** ** ** ** * * * * *
mc33269 http://onsemi.com 7 ordering information device package shipping information mc33269d so8 98 units / rail mc33269dr2 so8 2500 units / tape & reel mc33269dt dpak 75 units / rail mc33269dtrk dpak 2500 units / tape & reel mc33269t to220 50 units / rail mc33269d3.3 so8 98 units / rail mc33269dr23.3 so8 2500 units / tape & reel mc33269dt3.3 dpak 75 units / rail mc33269dtrk3.3 dpak 2500 units / tape & reel mc33269st3.3t3 sot223 4000 units / tape & reel mc33269t3.3 to220 50 units / rail mc33269d5.0 so8 98 units / rail mc33269dr25.0 so8 2500 units / tape & reel mc33269dt5.0 dpak 75 units / rail mc33269dtrk5.0 dpak 2500 units / tape & reel mc33269t5.0 to220 50 units / rail mc33269d12 so8 98 units / rail mc33269dr212 so8 2500 units / tape & reel mc33269dt12 dpak 75 units / rail mc33269dtrk12 dpak 2500 units / tape & reel mc33269t12 to220 50 units / rail
mc33269 http://onsemi.com 8 marking diagrams a = assembly location wl, l = wafer lot y = year ww, w = work week so8 d suffix case 751 1 269aj alyw 8 1 6912 alyw 8 1 2693 alyw 8 1 2695 alyw 8 1 1 2 3 269aj alyww 1 2 3 6912 alyww 1 2 3 2693 alyww 1 2 3 2695 alyww dpak dt suffix case 369a to220ab t suffix case 221a 1 mc 33269t awlyww 23 1 mc 33269t12 awlyww 23 1 mc 33269t3.3 awlyww 23 1 mc 33269t5.0 awlyww 23 123 alyw 2693 sot223 st suffix case 318e
mc33269 http://onsemi.com 9 package dimensions so8 d suffix case 75107 issue w seating plane 1 4 5 8 n j x 45 k notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. 3. dimension a and b do not include mold protrusion. 4. maximum mold protrusion 0.15 (0.006) per side. 5. dimension d does not include dambar protrusion. allowable dambar protrusion shall be 0.127 (0.005) total in excess of the d dimension at maximum material condition. a b s d h c 0.10 (0.004) x y g m y m 0.25 (0.010) z y m 0.25 (0.010) z s x s m dim a min max min max inches 4.80 5.00 0.189 0.197 millimeters b 3.80 4.00 0.150 0.157 c 1.35 1.75 0.053 0.069 d 0.33 0.51 0.013 0.020 g 1.27 bsc 0.050 bsc h 0.10 0.25 0.004 0.010 j 0.19 0.25 0.007 0.010 k 0.40 1.27 0.016 0.050 m 0 8 0 8 n 0.25 0.50 0.010 0.020 s 5.80 6.20 0.228 0.244 dpak dt suffix case 369a13 issue ab 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 0.250 5.97 6.35 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 0.033 0.040 0.84 1.01 f 0.037 0.047 0.94 1.19 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 0.175 0.215 4.45 5.46 s 0.020 0.050 0.51 1.27 u 0.020 --- 0.51 --- v 0.030 0.050 0.77 1.27 z 0.138 --- 3.51 --- notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 123 4
mc33269 http://onsemi.com 10 package dimensions sot223 st suffix case 318e04 issue k h s f a b d g l 4 123 0.08 (0003) c m k j dim a min max min max millimeters 0.249 0.263 6.30 6.70 inches b 0.130 0.145 3.30 3.70 c 0.060 0.068 1.50 1.75 d 0.024 0.035 0.60 0.89 f 0.115 0.126 2.90 3.20 g 0.087 0.094 2.20 2.40 h 0.0008 0.0040 0.020 0.100 j 0.009 0.014 0.24 0.35 k 0.060 0.078 1.50 2.00 l 0.033 0.041 0.85 1.05 m 0 10 0 10 s 0.264 0.287 6.70 7.30 notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. to220ab t suffix case 221a09 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
mc33269 http://onsemi.com 11 notes
mc33269 http://onsemi.com 12 on semiconductor and are trademarks of semiconductor components industries, llc (scillc). 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 specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. atypicalo parameters which may be provided in scill c data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating parameters, including atypicalso must be validated for each customer application by customer's technical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorized 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 which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, 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 unintended or unauthori zed use, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employer. publication ordering information japan : on semiconductor, japan customer focus center 4321 nishigotanda, shinagawaku, tokyo, japan 1410031 phone : 81357402700 email : r14525@onsemi.com on semiconductor website : http://onsemi.com for additional information, please contact your local sales representative. mc33269/d literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 3036752175 or 8003443860 toll free usa/canada fax : 3036752176 or 8003443867 toll free usa/canada email : onlit@hibbertco.com n. american technical support : 8002829855 toll free usa/canada

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