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? semiconductor components industries, llc, 2002 may, 2002 rev. 7 1 publication order number: mc34164/d mc34164, mc33164, ncv33164 micropower undervoltage sensing circuits the mc34164 series are undervoltage sensing circuits specifically designed for use as reset controllers in portable microprocessor based systems where extended battery life is required. these devices offer the designer an economical solution for low voltage detection with a single external resistor. the mc34164 series features a bandgap reference, a comparator with precise thresholds and builtin hysteresis to prevent erratic reset operation, an open collector reset output capable of sinking in excess of 6.0 ma, and guaranteed operation down to 1.0 v input with extremely low standby current. the mc devices are packaged in 3pin to226aa, 8pin so8 and micro8 surface mount packages. the ncv device is packaged in so8. applications include direct monitoring of the 3.0 or 5.0 v mpu/logic power supply used in appliance, automotive, consumer, and industrial equipment. ? temperature compensated reference ? monitors 3.0 v (mc341643) or 5.0 v (mc341645) power supplies ? precise comparator thresholds guaranteed over temperature ? comparator hysteresis prevents erratic reset ? reset output capable of sinking in excess of 6.0 ma ? internal clamp diode for discharging delay capacitor ? guaranteed reset operation with 1.0 v input ? extremely low standby current: as low as 9.0 a ? economical to226aa, so8 and micro8 surface mount packages this device contains 28 active transistors. figure 1. representative block diagram 1.2 v ref 2 (2) 1 (1) 3 (4) reset gnd input = sink only positive true logic pin numbers adjacent to terminals are for the 3pin to226aa package. pin numbers in parenthesis are for the 8lead packages. see detailed ordering and shipping information in the package dimensions section on page 7 of this data sheet. ordering information so8 d suffix case 751 8 1 micro8 dm suffix case 846a 8 1 see general marking information in the device marking section on page 7 of this data sheet. device marking information (top view) 3 1 n.c. ground n.c. n.c. 2 4 8 7 6 5 n.c. n.c. input reset pin connections 1 2 3 to226aa p suffix case 29 http://onsemi.com
mc34164, mc33164, ncv33164 http://onsemi.com 2 maximum ratings rating symbol value unit power input supply voltage v in 1.0 to 12 v reset output voltage v o 1.0 to 12 v reset output sink current i sink internally limited ma clamp diode forward current, pin 1 to 2 (note 1) i f 100 ma power dissipation and thermal characteristics p suffix, plastic package maximum power dissipation @ t a = 25 c thermal resistance, junctiontoair d suffix, plastic package maximum power dissipation @ t a = 25 c thermal resistance, junctiontoair dm suffix, plastic package maximum power dissipation @ t a = 25 c thermal resistance, junctiontoair p d r ja p d r ja p d r ja 700 178 700 178 520 240 mw c/w mw c/w mw c/w operating junction temperature t j +150 c operating ambient temperature range mc34164 series mc33164 series, ncv33164 t a 0 to +70 40 to +125 c storage temperature range t stg 65 to +150 c note: esd data available upon request. mc341643, mc331643 series electrical characteristics (for typical values t a = 25 c, for min/max values t a is the operating ambient temperature range that applies [notes 2 & 3], unless otherwise noted.) characteristic symbol min typ max unit comparator threshold voltage high state output (v in increasing) low state output (v in decreasing) hysteresis (i sink = 100 a) v ih v il v h 2.55 2.55 0.03 2.71 2.65 0.06 2.80 2.80 v reset output output sink saturation (v in = 2.4 v, i sink = 1.0 ma) (v in = 1.0 v, i sink = 0.25 ma) v ol 0.14 0.1 0.4 0.3 v output sink current (v in , reset = 2.4 v) i sink 6.0 12 30 ma output offstate leakage (v in , reset = 3.0 v) (v in , reset = 10 v) i r (leak) 0.02 0.02 0.5 1.0 a clamp diode forward voltage, pin 1 to 2 (i f = 5.0 ma) v f 0.6 0.9 1.2 v total device operating input voltage range v in 1.0 to 10 v quiescent input current v in = 3.0 v v in = 6.0 v i in 9.0 24 15 40 a 1. maximum package power dissipation limits must be observed. 2. low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible. 3. t low = 0 c for mc34164 t high = +70 c for mc34164 =40 c for mc33164 = +125 c for mc33164
mc34164, mc33164, ncv33164 http://onsemi.com 3 mc341645, mc331645 series, ncv331645 electrical characteristics (for typical values t a = 25 c, for min/max values t a is the operating ambient temperature range that applies [notes 5 & 6], unless otherwise noted.) characteristic symbol min typ max unit comparator threshold voltage high state output (v in increasing) low state output (v in decreasing) hysteresis (i sink = 100 a) v ih v il v h 4.15 4.15 0.02 4.33 4.27 0.09 4.45 4.45 v reset output output sink saturation (v in = 4.0 v, i sink = 1.0 ma) (v in = 1.0 v, i sink = 0.25 ma) v ol 0.14 0.1 0.4 0.3 v output sink current (v in , reset = 4.0 v) i sink 7.0 20 50 ma output offstate leakage (v in , reset = 5.0 v) (v in , reset = 10 v) i r (leak) 0.02 0.02 0.5 2.0 a clamp diode forward voltage, pin 1 to 2 (i f = 5.0 ma) v f 0.6 0.9 1.2 v total device operating input voltage range v in 1.0 to 10 v quiescent input current v in = 5.0 v v in = 10 v i in 12 32 20 50 a 4. maximum package power dissipation limits must be observed. 5. low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible. 6. t low = 0 c for mc34164 t high = +70 c for mc34164 =40 c for mc33164, ncv33164 = +125 c for mc33164, ncv33164 7. ncv prefix is for automotive and other applications requiring site and change control. 0 v in , input voltage (v) r l = 82 k to v in t a = 25 c 2.0 4.0 6.0 8.0 10 v o , output voltage (v) figure 1. mc3x1643 reset output voltage versus input voltage 0 v in , input voltage (v) figure 2. mc3x1645 reset output voltage versus input voltage r l = 82 k to v in t a = 25 c 2.0 4.0 6.0 8.0 10 v o , output voltage (v) 10 8.0 6.0 4.0 2.0 0 10 8.0 6.0 4.0 2.0 0
mc34164, mc33164, ncv33164 http://onsemi.com 4 i in , input current ( a) m v in , threshold voltage (v) v o , output voltage (v) figure 3. mc3x1643 reset output voltage versus input voltage -50 t a , ambient temperature ( c) -25 0 25 50 75 100 125 v in , threshold voltage (v) upper threshold high state output lower threshold low state output figure 4. mc3x1645 reset output voltage versus input voltage 4.22 v in , input voltage (v) 4.26 4.30 4.34 4.38 figure 5. mc3x1643 comparator threshold voltage versus temperature figure 6. mc3x1645 comparator threshold voltage versus temperature figure 7. mc3x1643 input current versus input voltage v o , o utput v o lta g e ( v ) figure 8. mc3x1645 input current versus input voltage 2.62 v in , input voltage (v) r l = 82 k to v in t a = 25 c 2.66 2.70 2.74 2.78 -50 t a , ambient temperature ( c) -25 0 25 50 75 100 125 upper threshold high state output lower threshold low state output v in , input voltage (v) 2.0 4.0 6.0 8.0 10 t a = 0 c t a = 70 c i in , input current ( a) m 0 v in , input voltage (v) 2.0 4.0 6.0 8.0 10 r l = 82 k to v in t a = 25 c 4.36 4.32 4.28 4.24 4.20 5.0 4.0 3.0 2.0 1.0 0 5.0 4.0 3.0 2.0 1.0 0 2.76 2.72 2.68 2.64 2.60 50 40 30 20 10 0 0 50 40 30 20 10 0 t a = 25 c t a = 0 c t a = 70 c t a = 25 c
mc34164, mc33164, ncv33164 http://onsemi.com 5 t a = 0 c v ol , output saturation (v) 0 i sink , sink current (ma) 4.0 8.0 12 16 20 t a = 70 c t a = 0 c v in , reset = 4 v figure 9. mc3x1643 reset output saturation versus sink current figure 10. mc3x1645 reset output saturation versus sink current figure 11. clamp diode forward current versus voltage v ol , output saturation (v) figure 12. reset delay time (mc3x1645 shown) 0 v sink , sink current (ma) 4.0 8.0 12 16 , forward voltage (v) 0.4 0.8 1.2 1.6 i f , forward current (ma) 20 t a = 25 c figure 13. low voltage microprocessor reset power supply 1.2 v ref microprocessor circuit 2 (2) r 1 (1) 3 (4) reset c dly 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 rcdly time constant be greater than 5.0 s. v th(mpu) is the microprocessor reset input threshold. t dly = r cdly in 1 v th(mpu) 1 v in t a = 25 c t a = 0 c t a = 70 c t a = 25 c v in = 0 v t a = 25 c v f v in = 2.4 v t a = 70 c t a = 0 c t a = 25 c reset v in v in = 5.0 v to 4.0 v r l = 43 k t a = 25 c reset v in 5.0v 4.0v ref 43k 90% 5.0 v 4.0 v 5.0 s/div 10 % 4.0 3.0 2.0 1.0 0 4.0 3.0 2.0 1.0 0 32 24 16 8.0 0 0 t a = 70 c
mc34164, mc33164, ncv33164 http://onsemi.com 6 figure 14. low voltage microprocessor reset with additional hysteresis (mc3x1645 shown) power supply 1.2 v ref microprocessor circuit 2 (2) r l 1 (1) 3 (4) reset 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 in crosses the comparator threshold (figure 8). an increase of the lower threshold v th(lower) will be observed due to i in which is typically 10 a at 4.3 v. the equations are accurate to 10% with r h less than 1.0 k and r l between 4.3 k and 43 k . v h 4.3 r h r h mc3x164-5 i in v in test data v h (mv) v th (mv) r h ( ) r l (k ) 60 103 123 160 155 199 280 262 306 357 421 530 0 1.0 1.0 1.0 2.2 2.2 2.2 4.7 4.7 4.7 4.7 4.7 0 100 100 100 220 220 220 470 470 470 470 470 43 10 6.8 4.3 10 6.8 4.3 10 8.2 6.8 5.6 4.3 r l + 0.06 v th(lower) 10 r h x 10 -6 where: r h 1.0 k 43 k r l 4.3 k figure 15. voltage monitor figure 16. solar powered battery charger figure 17. mosfet low voltage gate drive protection using the mc3x1645 1.2 v ref 2 (2) 270 1 (1) 3 (4) power supply 1.2 v ref 2 (2) 1.0 k 1 (1) 3 (4) 1.2 v ref 2 (2) 1 (1) 3 (4) solar cells r l mtp3055el mc3x164-5 v cc 4.3v overheating of the logic level power mosfet due to insuf ficient gate voltage can be prevented with the above circuit. when the input signal is below the 4.3 v threshold of the mc3x164-5, its output grounds the gate of the l 2 mosfet.
mc34164, mc33164, ncv33164 http://onsemi.com 7 ordering information device package shipping mc33164d3 so8 98 units / rail mc33164d3r2 so8 2500 units / tape & reel mc33164dm3r2 micro8 4000 units / tape & reel mc33164p3 to92 2000 units / box mc33164p3ra to92 2000 units / tape & reel mc33164p3rp to92 2000 units / pack mc33164d5 so8 98 units / rail mc33164d5r2 so8 2500 units / tape & reel ncv33164d5r2* so8 2500 units / tape & reel mc33164dm5r2 micro8 4000 units / tape & reel mc33164p5 to92 2000 units / box mc33164p5ra to92 2000 units / tape & reel mc33164p5rp to92 2000 units / pack mc34164d3 so8 98 units / rail mc34164d3r2 so8 2500 units / tape & reel mc34164dm3r2 micro8 4000 units / tape & reel mc334164p3 to92 2000 units / box mc34164p3rp to92 2000 units / pack mc34164d5 so8 98 units / rail mc34164d5r2 so8 2500 units / tape & reel mc34164dm5r2 micro8 4000 units / tape & reel mc334164p5 to92 2000 units / box mc34164p5ra to92 2000 units / tape & reel mc34164p5rp to92 2000 units / pack *ncv33164: t low = 40 c, t high = +125 c. guaranteed by design. ncv prefix is for automotive and other applications requiring site and change control. alywy 3x164 1 8 so8 d suffix case 751 x = device number 3 or 5 y = suffix number 3 or 5 a = assembly location wl, l = wafer lot yy, y = year ww, w = work week marking diagrams micro8 mc33164dm case 846a mlx0 yww awl 1 8 to92 mc3x164py case 29 mc3x1 64py yww micro8 mc34164dm case 846a mly0 yww awl 1 8 to92 mc3x164pyra mc3x164pyrp case 29 mc3x1 64py yww 123 123
mc34164, mc33164, ncv33164 http://onsemi.com 8 package dimensions to226aa p suffix case 2911 issue al 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 xx c v d n n xx seating plane 1 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 --- 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) 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 so8 d suffix case 75107 issue w
mc34164, mc33164, ncv33164 http://onsemi.com 9 package dimensions micro8 dm suffix case 846a02 issue e s b m 0.08 (0.003) a s t dim min max min max inches millimeters a 2.90 3.10 0.114 0.122 b 2.90 3.10 0.114 0.122 c --- 1.10 --- 0.043 d 0.25 0.40 0.010 0.016 g 0.65 bsc 0.026 bsc h 0.05 0.15 0.002 0.006 j 0.13 0.23 0.005 0.009 k 4.75 5.05 0.187 0.199 l 0.40 0.70 0.016 0.028 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. b a d k g pin 1 id 8 pl 0.038 (0.0015) t seating plane c h j l
mc34164, mc33164, ncv33164 http://onsemi.com 10 notes
mc34164, mc33164, ncv33164 http://onsemi.com 11 notes
mc34164, mc33164, ncv33164 http://onsemi.com 12 on semiconductor is a trademark and is a registered trademark 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 circui t, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. atypicalo parameters which may b e provided in scillc data sheets and/or specifications can and do vary in dif ferent 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 paten t 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 indem nify and hold scillc and its of ficers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and re asonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized u se, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employ er. 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. mc34164/d micro8 is a trademark of international rectifier. 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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