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? semiconductor components industries, llc, 2007 august, 2007 - rev. 17 1 publication order number: mc34064/d mc34064, mc33064, ncv33064 undervoltage sensing circuit the mc34064 is an undervoltage sensing circuit specifically designed for use as a reset controller in microprocessor-based systems. it offers the designer an economical solution for low voltage detection with a single external resistor. the mc34064 features a trimmed-in-package bandgap reference, and a comparator with precise thresholds and built\in hysteresis to prevent erratic reset operation. the open collector reset output is capable of sinking in excess of 10 ma, and operation is guaranteed down to 1.0 v input with low standby current. the mc devices are packaged in 3-pin to\92, micro size tsop-5, 8-pin soic-8 and micro8 surface mount packages. the ncv device is packaged in soic-8 and to-92. applications include direct monitoring of the 5.0 v mpu/logic power supply used in appliance, automotive, consumer and industrial equipment. features ? trimmed-in-package temperature compensated reference ? comparator threshold of 4.6 v at 25 c ? precise comparator thresholds guaranteed over temperature ? comparator hysteresis prevents erratic reset ? reset output capable of sinking in excess of 10 ma ? internal clamp diode for discharging delay capacitor ? guaranteed reset operation with 1.0 v input ? low standby current ? economical to-92, tsop-5, soic-8 and micro8 surface mount packages ? ncv prefix for automotive and other applications requiring site and control changes ? pb-free packages are available 1.2 v ref reset gnd input = sink only positive true logic this device contains 21 active transistors. figure 1. representative block diagram http://onsemi.com pin 1. reset 2. input 3. ground to-92 p suffix case 29 8 1 (top view) 3 1 n.c. ground n.c. n.c. 2 4 8 7 6 5 n.c. n.c. input reset 8 1 pin connections ordering information soic-8 d suffix case 751 micro8 dm suffix case 846a tsop-5 sn suffix case 483 1 5 pin 1. ground 2. input 3. reset 4. nc 5. nc see detailed ordering and shipping information in the package dimensions section on page 6 of this data sheet. see general marking information in the device marking section on page 7 of this data sheet. device marking information 1 2 3 1 2 bent lead tape & reel ammo pack straight lead bulk pack 3
mc34064, mc33064, ncv33064 http://onsemi.com 2 maximum ratings rating symbol value unit power input supply voltage v in -1.0 to 10 v reset output voltage v o 10 v reset output sink current (note 2) i sink internally limited ma clamp diode forward current, reset to input pin (note 2) i f 100 ma power dissipation and thermal characteristics p suffix, plastic package maximum power dissipation @ t a = 25 c thermal resistance, junction-to-air d suffix, plastic package maximum power dissipation @ t a = 25 c thermal resistance, junction-to-air dm suffix, plastic package maximum power dissipation @ t a = 25 c thermal resistance, junction-to-air p d r ja p d r ja p d r ja 625 200 625 200 520 240 mw c/w mw c/w mw c/w operating junction temperature t j +150 c operating ambient temperature mc34064 mc33064 ncv33064 t a 0 to +70 -40 to +85 -40 to +125 c storage temperature range t stg -65 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. 1. esd data available upon request. electrical characteristics (for typical values t a = 25 c, for min/max values t a is the operating ambient temperature range that applies [notes 3 and 4] unless otherwise noted.) characteristics symbol min typ max unit comparator threshold voltage high state output (v in increasing) low state output (v in decreasing) hysteresis v ih v il v h 4.5 4.5 0.01 4.61 4.59 0.02 4.7 4.7 0.05 v reset output output sink saturation (v in = 4.0 v, i sink = 8.0 ma) (v in = 4.0 v, i sink = 2.0 ma) (v in = 1.0 v, i sink = 0.1 ma) v ol - - - 0.46 0.15 - 1.0 0.4 0.1 v output sink current (v in , reset = 4.0 v) i sink 10 27 60 ma output off\state leakage (v in , reset = 5.0 v) i oh - 0.02 0.5 a clamp diode forward voltage, reset to input pin (i f = 10 ma) v f 0.6 0.9 1.2 v total device operating input voltage range v in 1.0 to 6.5 - - v quiescent input current (v in = 5.0 v) i in - 390 500 a 2. maximum package power dissipation limits must be observed. 3. low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible. 4. t low =0 c for mc34064 t high = +70 c for mc34064 -40 c for mc33064 +85 c for mc33064 -40 c for ncv33064 +125 c for ncv33064 5. ncv prefix is for automotive and other applications requiring site and change control.
mc34064, mc33064, ncv33064 http://onsemi.com 3 v o , output voltage (v) v o , output voltage (v) figure 2. reset output voltage versus input voltage figure 3. reset output voltage versus input voltage figure 4. comparator threshold voltage versus temperature figure 5. input current versus input voltage figure 6. reset output saturation versus sink current figure 7. reset delay time v in , input voltage (v) 10 8.0 6.0 4.0 2.0 0 0 2.0 4.0 6.0 8.0 10 r l = 10 k to v in t a = 25 c v in , input voltage (v) 5.0 4.0 3.0 2.0 1.0 0 4.560 4.580 4.600 4.620 4.640 r l = 10 k to v in t a = 25 c t a , ambient temperature ( c) th , threshold voltage (v) 4.630 4.620 4.610 4.600 4.590 4.580 4.570 -55 -25 0 25 50 75 100 125 v r l = 10 k to v in upper threshold high state output lower threshold low state output v in , input voltage (v) in , input current (ma) 1.0 0.8 0.6 0.4 0.2 0 0 2.0 4.0 6.0 8.0 10 i t a = +25 c -40 c t a = +25 c +85 c -40 c v ol , output saturation (v) i sink , sink current (ma) 2.0 1.5 1.0 0.5 0 0102030 40 v in = 4.0 v t a = 85 c t a = 25 c t a = -40 c 90% 5.0 v - 4.0 v - 10% +85 c reset v in 5.0v 4.0v ref 10k 200 ns/div reset v in v in = 5.0 v to 4.0 v r l = 10 k t a = 25 c
mc34064, mc33064, ncv33064 http://onsemi.com 4 figure 8. clamp diode forward current versus voltage figure 9. low voltage microprocessor reset figure 10. low voltage microprocessor reset with additional hysteresis 80 60 40 20 0 0 0.4 0.8 1.2 1.6 v f , forward voltage (v) , forward current (ma) f i v in = 0 v t a = 25 c a time delayed reset can be accomplished with the addition of c dly . for systems with extremely fast power supply rise times (<500 ns) it is recommended that the rc dly time constant be greater than 5.0 s. v th(mpu) is the microprocessor reset input threshold. t dly = rc dly in 1 1 - v th(mpu) power supply + - input r reset c dly microprocessor circuit 1.2 v ref gnd - + power supply + - input r l reset microprocessor circuit 1.2v ref gnd - + v h 4.6 r h + 0.02 v th(lower) 340 r h x 10 -6 where:r h 150 where: r l 1.5 , 10 k comparator hysteresis can be increased with the addition of resistor r h . the hysteresis equation has been simplified and does not account for the change of input current i in as v cc crosses the comparator threshold (figure 4). an increase of the lower threshold v th(lower) will be observed due to i in which is typically 340 a at 4.59v. the equations are accurate to 10% with r h less than 150 and r l between 1.5 k and 10 k i in r h v in r l test data v h (mv) v th (mv) r h ( ) r l (k ) 20 51 40 81 71 112 100 164 190 327 276 480 0 3.4 6.8 6.8 10 10 16 16 34 34 51 51 0 10 20 20 30 30 47 47 100 100 150 150 0 1.5 4.7 1.5 2.7 1.5 2.7 1.5 2.7 1.5 2.7 1.5
figure 11. voltage monitor figure 12. solar powered battery charger figure 13. low power switching regulator figure 14. mosfet low voltage gate drive protection overheating of the logic level power mosfet due to insufficient gate voltage can be prevented with the above circuit. when the input signal is below the 4.6 v threshold of the mc34064, its output grounds the gate of the l 2 mosfet. 270 4.6v v cc r l mtp3055el input reset gnd - + 1.2v ref input gnd - + 1.2v ref power supply + - 1.0k input reset gnd - + 1.2v ref + - solar cells input reset gnd - + 1.2v ref v in = 11.5 to 14.5v 470 + mpsw51a 25 h v o = 5.0 v i o = 50 ma 470 + 680 22 + 1n5819 1.2k 330 1n756 4.7k reset mc34064, mc33064, ncv33064 http://onsemi.com 5 test conditions results line regulation v in = 11.5 v to 14.5 v, i o = 50 ma 35 mv load regulation v in = 12.6 v, i o = 0 ma to 50 ma 12 mv output ripple v in = 12.6 v, i o = 50 ma 60 mvpp efficiency v in = 12.6 v, i o = 50 ma 77%
mc34064, mc33064, ncv33064 http://onsemi.com 6 ordering information device operating temperature range package shipping ? mc34064d-005 t a = 0 c to +70 c soic-8 98 units / rail mc34064d-5g soic-8 (pb-free) mc34064d-5r2 soic-8 2500 units/ tape & reel mc34064d-5r2g soic-8 (pb-free) mc34064dm-5r2 micro8 4000 units / tape & reel mc34064dm-5r2g micro8 (pb-free) mc34064p-005 to-92 2000 units / bag mc34064p-5g to-92 (pb-free) mc34064p-5ra to-92 2000 units / tape & reel mc34064p-5rag to-92 (pb-free) mc34064p-5rp to-92 2000 units / ammo pack mc34064p-5rpg to-92 (pb-free) mc34064p-5rm to-92 mc34064p-5rmg to-92 (pb-free) mc34064sn-5t1 tsop-5 3000 units / tape & reel mc34064sn-5t1g tsop-5 (pb-free) mc33064d-005 t j = -40 c to +85 c soic-8 98 units / rail mc33064d-5g soic-8 (pb-free) mc33064d-5r2 soic-8 2500 units / tape & reel mc33064d-5r2g soic-8 (pb-free) mc33064dm-5r2 micro8 4000 units / tape & reel mc33064dm-5r2g micro8 (pb-free) mc33064p-005 to-92 2000 units / bag mc33064p-5g to-92 (pb-free) mc33064p-5ra to-92 2000 units / tape & reel mc33064p-5rag to-92 (pb-free) mc33064p-5rp to-92 2000 units / ammo pack mc33064p-5rpg to-92 (pb-free) mc33064sn-5t1 tsop-5 3000 units / tape & reel MC33064SN-5T1G tsop-5 (pb-free) ?for information on tape and reel specifications, including part orientation and tape sizes, pleaserefer to our tape and reel p ackaging specifications brochure, brd8011/d. *ncv33064: t low = -40 c, t high = +125 c. guaranteed by design. ncv prefix is for automotive and other applications requiring site and change control.
mc34064, mc33064, ncv33064 http://onsemi.com 7 ordering information device shipping ? package operating temperature range ncv33064d-5r2* t a = -40 c to +125 c soic-8 2500 units / tape & reel ncv33064d-5r2g* soic-8 (pb-free) ncv33064p-5ra* to-92 2000 units / tape & reel ncv33064p-5rag* to-92 (pb-free) ncv33064p-5rp* to-92 2000 units / ammo pack ncv33064p-5rpg* to-92 (pb-free) ncv33064dm-5r2* micro8 4000 units / tape & reel ncv33064dm-5r2g* micro8 (pb-free) ?for information on tape and reel specifications, including part orientation and tape sizes, pleaserefer to our tape and reel p ackaging specifications brochure, brd8011/d. *ncv33064: t low = -40 c, t high = +125 c. guaranteed by design. ncv prefix is for automotive and other applications requiring site and change control. v3064 alyw5 soic-8 d suffix case 751 x = 3 or 4 y = c or i a = assembly location l = wafer lot y = year w, ww = work week = pb-free package marking diagrams micro8 dm suffix case 846a 1 8 to-92 p suffix case 29 123 tsop-5 sn suffix case 483 1 5 srb ayw mc3x0 64p-5 alyww 123 ncv30 64p-5 alyww (note: microdot may be in either location) 1 5 ssn ayw mc34064 mc33064 1 8 3x064 alyw5 1 8 ly50 ayw 1 8 vi50 ayw
mc34064, mc33064, ncv33064 http://onsemi.com 8 package dimensions soic-8 d suffix case 751-07 issue ah 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. 6. 751-01 thru 751-06 are obsolete. new standard is 751-07. a b s d h c 0.10 (0.004) 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 -x- -y- g m y m 0.25 (0.010) -z- y m 0.25 (0.010) z s x s m 1.52 0.060 7.0 0.275 0.6 0.024 1.270 0.050 4.0 0.155 mm inches scale 6:1 *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*
mc34064, mc33064, ncv33064 http://onsemi.com 9 package dimensions micro8 dm suffix case 846a-02 issue g s b m 0.08 (0.003) a s t notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. 3. dimension a does not include mold flash, protrusions or gate burrs. mold flash, protrusions or gate burrs shall not exceed 0.15 (0.006) per side. 4. dimension b does not include interlead flash or protrusion. interlead flash or protrusion shall not exceed 0.25 (0.010) per side. 5. 846a-01 obsolete, new standard 846a-02. b e pin 1 id 8 pl 0.038 (0.0015) -t- seating plane a a1 c l *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* 8x 8x 6x mm inches scale 8:1 1.04 0.041 0.38 0.015 5.28 0.208 4.24 0.167 3.20 0.126 0.65 0.0256 dim a min nom max min millimeters -- -- 1.10 -- inches a1 0.05 0.08 0.15 0.002 b 0.25 0.33 0.40 0.010 c 0.13 0.18 0.23 0.005 d 2.90 3.00 3.10 0.114 e 2.90 3.00 3.10 0.114 e 0.65 bsc l 0.40 0.55 0.70 0.016 -- 0.043 0.003 0.006 0.013 0.016 0.007 0.009 0.118 0.122 0.118 0.122 0.026 bsc 0.021 0.028 nom max 4.75 4.90 5.05 0.187 0.193 0.199 h e h e d d e
mc34064, mc33064, ncv33064 http://onsemi.com 10 package dimensions tsop-5 sn suffix case 483-02 issue h notes: 1. dimensioning and tolerancing per asme y14.5m, 1994. 2. controlling dimension: millimeters. 3. maximum lead thickness includes lead finish thickness. minimum lead thickness is the minimum thickness of base material. 4. dimensions a and b do not include mold flash, protrusions, or gate burrs. 5. optional construction: an additional trimmed lead is allowed in this location. trimmed lead not to extend more than 0.2 from body. dim min max millimeters a 3.00 bsc b 1.50 bsc c 0.90 1.10 d 0.25 0.50 g 0.95 bsc h 0.01 0.10 j 0.10 0.26 k 0.20 0.60 l 1.25 1.55 m 0 10 s 2.50 3.00 123 54 s a g l b d h c j 0.7 0.028 1.0 0.039 mm inches scale 10:1 0.95 0.037 2.4 0.094 1.9 0.074 *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* 0.20 5x c ab t 0.10 2x 2x t 0.20 note 5 t seating plane 0.05 k m detail z detail z
mc34064, mc33064, ncv33064 http://onsemi.com 11 package dimensions to-92 (to-226) p suffix case 29-11 issue am notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. contour of package beyond dimension r is uncontrolled. 4. lead dimension is uncontrolled in p and beyond dimension k minimum. r a p j l b k g h section x-x c v d n n xx seating plane dim min max min max millimeters inches a 0.175 0.205 4.45 5.20 b 0.170 0.210 4.32 5.33 c 0.125 0.165 3.18 4.19 d 0.016 0.021 0.407 0.533 g 0.045 0.055 1.15 1.39 h 0.095 0.105 2.42 2.66 j 0.015 0.020 0.39 0.50 k 0.500 --- 12.70 --- l 0.250 --- 6.35 --- n 0.080 0.105 2.04 2.66 p --- 0.100 --- 2.54 r 0.115 --- 2.93 --- v 0.135 --- 3.43 --- 1 notes: 1. dimensioning and tolerancing per asme y14.5m, 1994. 2. controlling dimension: millimeters. 3. contour of package beyond dimension r is uncontrolled. 4. lead dimension is uncontrolled in p and beyond dimension k minimum. r a p j b k g section x-x c v d n xx seating plane dim min max millimeters a 4.45 5.20 b 4.32 5.33 c 3.18 4.19 d 0.40 0.54 g 2.40 2.80 j 0.39 0.50 k 12.70 --- n 2.04 2.66 p 1.50 4.00 r 2.93 --- v 3.43 --- 1 t straight lead bulk pack bent lead tape & reel ammo pack on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to mak e changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for an y 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 wi thout 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 application s and actual performance may vary over time. all operating parameters, including typicals must be validated for each custom er 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 of ficers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, direct ly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized 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. this literature is subject to all applicable copyright laws and is not for resale in any manner. mc34064/d micro8 is a trademark of international rectifier. 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: 81-3-5773-3850 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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