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? semiconductor components industries, llc, 2001 august, 2001 rev. 9 1 publication order number: ncp300/d ncp300, ncp301 voltage detector series the ncp300 and ncp301 series are second generation ultralow current voltage detectors. these devices are specifically designed for use as reset controllers in portable microprocessor based systems where extended battery life is paramount. each series features a highly accurate under voltage detector with hysteresis which prevents erratic system reset operation as the comparator threshold is crossed. the ncp300 series consists of complementary output devices that are available with either an active high or active low reset output. the ncp301 series has an open drain nchannel output with either an active high or active low reset output. the ncp300 and ncp301 device series are available in the thin sot235 package with seven standard under voltage thresholds. additional thresholds that range from 0.9 v to 4.9 v in 100 mv steps can be manufactured. features ? quiescent current of 0.5 m a typical ? high accuracy under voltage threshold of 2.0% ? wide operating voltage range of 0.8 v to 10 v ? complementary or open drain reset output ? active low or active high reset output typical applications ? microprocessor reset controller ? low battery detection ? power fail indicator ? battery backup detection figure 1. representative block diagrams this device contains 25 active transistors. ncp301xsnxxt1 open drain output configuration ncp300xsnxxt1 complementary output configuration v ref v ref input reset output gnd 3 1 2 input reset output gnd 3 1 2 * * * the representative block diagrams depict active low reset output `l' suffix devices. the comparator inputs are interchanged for the active high output `h' suffix devices. http://onsemi.com see detailed ordering and shipping information in the ordering information section on page 23 of this data sheet. ordering information thin sot235 sn suffix case 483 1 5 pin connections and marking diagram 1 3 n.c. reset output 2 input ground 4 n.c. 5 xxxyw (top view) xxx = 300 or 301 y = year w = work week
ncp300, ncp301 http://onsemi.com 2 maximum ratings rating symbol value unit input power supply voltage (pin 2) v in 12 v output voltage (pin 1) complementary, ncp300 nchannel open drain, ncp301 v out 0.3 to v in +0.3 0.3 to 12 v output current (pin 1) (note 2) i out 70 ma thermal resistance junction to air r ja 250 c/w operating junction temperature range t j 40 to +125 c storage temperature range t stg 55 to +150 c latchup performance positive negative i latchup 200 200 ma 1. this device series contains esd protection and exceeds the following tests: human body model 2000 v per milstd883, method 3015. machine model method 200 v. 2. the maximum package power dissipation limit must not be exceeded. p d t j(max) t a r ja electrical characteristics (for all values t a = 25 c, unless otherwise noted.) characteristic symbol min typ max unit ncp300/1 0.9 detector threshold (pin 2, v in decreasing) v det 0.882 0.900 0.918 v detector threshold hysteresis (pin 2, v in increasing) v hys 0.027 0.045 0.063 v supply current (pin 2) (v in = 0.8 v) (v in = 2.9 v) i in 0.20 0.45 0.6 1.2 m a maximum operating voltage (pin 2) v in(max) 10 v minimum operating voltage (pin 2) (t a = 40 c to 85 c) v in(min) 0.55 0.65 0.70 0.80 v reset output current (pin 1, active low `l' suffix devices) i out ma nch sink current, ncp300, ncp301 (v out = 0.05 v, v in = 0.70 v) (v out = 0.50 v, v in = 0.85 v) 0.01 0.05 0.05 0.50 pch source current, ncp300 (v out = 2.4 v, v in = 4.5 v) 1.0 2.0 reset output current (pin 1, active high `h' suffix devices) i out ma nch sink current, ncp300, ncp301 (v out = 0.5 v, v in = 1.5 v) 1.05 2.5 pch source current, ncp300 (v out = 0.4 v, v in = 0.7 v) (v out = gnd, v in = 0.8 v) 0.011 0.014 0.04 0.08 propagation delay input to output (figure 2) s complementary output ncp300 series output transition, high to low output transition, low to high t phl t plh 97 77 300 nchannel open drain ncp301 series output transition, high to low output transition, low to high t phl t plh 97 300
ncp300, ncp301 http://onsemi.com 3 electrical characteristics (for all values t a = 25 c, unless otherwise noted.) characteristic symbol min typ max unit ncp300/1 1.8 detector threshold (pin 2, v in decreasing) v det 1.764 1.80 1.836 v detector threshold hysteresis (pin 2, v in increasing) v hys 0.054 0.090 0.126 v supply current (pin 2) (v in = 1.7 v) (v in = 3.8 v) i in 0.23 0.48 0.7 1.3 m a maximum operating voltage (pin 2) v in(max) 10 v minimum operating voltage (pin 2) (t a = 40 c to 85 c) v in(min) 0.55 0.65 0.70 0.80 v reset output current (pin 1, active low `l' suffix devices) i out ma nch sink current, ncp300, ncp301 (v out = 0.05v, v in = 0.70v) (v out = 0.50v, v in = 1.5v) 0.01 1.0 0.05 2.0 pch source current, ncp300 (v out = 2.4v, v in = 4.5v) 1.0 2.0 reset output current (pin 1, active high `h' suffix devices) i out ma nch sink current, ncp300, ncp301 (v out = 0.5 v, v in = 5.0 v) 6.3 11 pch source current, ncp300 (v out = 0.4 v, v in = 0.7 v) (v out = gnd, v in = 1.5 v) 0.011 0.525 0.04 0.6 propagation delay input to output (figure 2) s complementary output ncp300 series output transition, high to low output transition, low to high t phl t plh 73 94 300 nchannel open drain ncp301 series output transition, high to low output transition, low to high t phl t plh 73 300
ncp300, ncp301 http://onsemi.com 4 electrical characteristics (for all values t a = 25 c, unless otherwise noted.) characteristic symbol min typ max unit ncp300/1 2.0 detector threshold (pin 2, v in decreasing) v det 1.960 2.00 2.040 v detector threshold hysteresis (pin 2, v in increasing) v hys 0.06 0.10 0.14 v supply current (pin 2) (v in = 1.9 v) (v in = 4.0 v) i in 0.23 0.48 0.8 1.3 m a maximum operating voltage (pin 2) v in(max) 10 v minimum operating voltage (pin 2) (t a = 40 c to 85 c) v in(min) 0.55 0.65 0.70 0.80 v reset output current (pin 1, active low `l' suffix devices) i out ma nch sink current, ncp300, ncp301 (v out = 0.05v, v in = 0.70v) (v out = 0.50v, v in = 1.5v) 0.01 1.0 0.05 2.0 pch source current, ncp300 (v out = 2.4v, v in = 4.5v) 1.0 2.0 reset output current (pin 1, active high `h' suffix devices) i out ma nch sink current, ncp300, ncp301 (v out = 0.5 v, v in = 5.0 v) 6.3 11 pch source current, ncp300 (v out = 0.4 v, v in = 0.7 v) (v out = gnd, v in = 1.5 v) 0.011 0.525 0.04 0.6 propagation delay input to output (figure 2) s complementary output ncp300 series output transition, high to low output transition, low to high t phl t plh 55 108 300 nchannel open drain ncp301 series output transition, high to low output transition, low to high t phl t plh 55 300
ncp300, ncp301 http://onsemi.com 5 electrical characteristics (for all values t a = 25 c, unless otherwise noted.) characteristic symbol min typ max unit ncp300/1 2.7 detector threshold (pin 2, v in decreasing) v det 2.646 2.700 2.754 v detector threshold hysteresis (pin 2, v in increasing) v hys 0.081 0.135 0.189 v supply current (pin 2) (v in = 2.6 v) (v in = 4.7 v) i in 0.26 0.46 0.8 1.3 m a maximum operating voltage (pin 2) v in(max) 10 v minimum operating voltage (pin 2) (t a = 40 c to 85 c) v in(min) 0.55 0.65 0.70 0.80 v reset output current (pin 1, active low `l' suffix devices) i out ma nch sink current, ncp300, ncp301 (v out = 0.05v, v in = 0.70v) (v out = 0.50v, v in = 1.5v) 0.01 1.0 0.05 2.0 pch source current, ncp300 (v out = 2.4v, v in = 4.5v) 1.0 2.0 reset output current (pin 1, active high `h' suffix devices) i out ma nch sink current, ncp300, ncp301 (v out = 0.5 v, v in = 5.0 v) 6.3 11 pch source current, ncp300 (v out = 0.4 v, v in = 0.7 v) (v out = gnd, v in = 1.5 v) 0.011 0.525 0.04 0.6 propagation delay input to output (figure 2) s complementary output ncp300 series output transition, high to low output transition, low to high t phl t plh 55 115 300 nchannel open drain ncp301 series output transition, high to low output transition, low to high t phl t plh 55 300
ncp300, ncp301 http://onsemi.com 6 electrical characteristics (for all values t a = 25 c, unless otherwise noted.) characteristic symbol min typ max unit ncp300/1 3.0 detector threshold (pin 2, v in decreasing) v det 2.94 3.00 3.06 v detector threshold hysteresis (pin 2, v in increasing) v hys 0.09 0.15 0.21 v supply current (pin 2) (v in = 2.87 v) (v in = 5.0 v) i in 0.27 0.47 0.9 1.3 m a maximum operating voltage (pin 2) v in(max) 10 v minimum operating voltage (pin 2) (t a = 40 c to 85 c) v in(min) 0.55 0.65 0.70 0.80 v reset output current (pin 1, active low `l' suffix devices) i out ma nch sink current, ncp300, ncp301 (v out = 0.05v, v in = 0.70v) (v out = 0.50v, v in = 1.5v) 0.01 1.0 0.05 2.0 pch source current, ncp300 (v out = 2.4v, v in = 4.5v) 1.0 2.0 reset output current (pin 1, active high `h' suffix devices) i out ma nch sink current, ncp300, ncp301 (v out = 0.5 v, v in = 5.0 v) 6.3 11 pch source current, ncp300 (v out = 0.4 v, v in = 0.7 v) (v out = gnd, v in = 1.5 v) 0.011 0.525 0.04 0.6 propagation delay input to output (figure 2) s complementary output ncp300 series output transition, high to low output transition, low to high t phl t plh 49 115 300 nchannel open drain ncp301 series output transition, high to low output transition, low to high t phl t plh 49 300
ncp300, ncp301 http://onsemi.com 7 electrical characteristics (for all values t a = 25 c, unless otherwise noted.) characteristic symbol min typ max unit ncp300/1 4.5 detector threshold (pin 2, v in decreasing) v det 4.410 4.500 4.590 v detector threshold hysteresis (pin 2, v in increasing) v hys 0.135 0.225 0.315 v supply current (pin 2) (v in = 4.34 v) (v in = 6.5 v) i in 0.33 0.52 1.0 1.4 m a maximum operating voltage (pin 2) v in(max) 10 v minimum operating voltage (pin 2) (t a = 40 c to 85 c) v in(min) 0.55 0.65 0.70 0.80 v reset output current (pin 1, active low `l' suffix devices) i out ma nch sink current, ncp300, ncp301 (v out = 0.05v, v in = 0.70v) (v out = 0.50v, v in = 1.5v) 0.01 1.0 0.05 2.0 pch source current, ncp300 (v out = 5.9v, v in = 8.0v) 1.5 3.0 reset output current (pin 1, active high `h' suffix devices) i out ma nch sink current, ncp300, ncp301 (v out = 0.5 v, v in = 5.0 v) 6.3 11 pch source current, ncp300 (v out = 0.4 v, v in = 0.7 v) (v out = gnd, v in = 1.5 v) 0.011 0.525 0.04 0.6 propagation delay input to output (figure 2) s complementary output ncp300 series output transition, high to low output transition, low to high t phl t plh 49 130 300 nchannel open drain ncp301 series output transition, high to low output transition, low to high t phl t plh 49 300
ncp300, ncp301 http://onsemi.com 8 electrical characteristics (for all values t a = 25 c, unless otherwise noted.) characteristic symbol min typ max unit ncp300/1 4.7 detector threshold (pin 2, v in decreasing) v det 4.606 4.70 4.794 v detector threshold hysteresis (pin 2, v in increasing) v hys 0.141 0.235 0.329 v supply current (pin 2) (v in = 4.54 v) (v in = 6.7 v) i in 0.34 0.53 1.0 1.4 m a maximum operating voltage (pin 2) v in(max) 10 v minimum operating voltage (pin 2) (t a = 40 c to 85 c) v in(min) 0.55 0.65 0.70 0.80 v reset output current (pin 1, active low `l' suffix devices) i out ma nch sink current, ncp300, ncp301 (v out = 0.05v, v in = 0.70v) (v out = 0.50v, v in = 1.5v) 0.01 1.0 0.05 2.0 pch source current, ncp300 (v out = 5.9v, v in = 8.0v) 1.5 3.0 reset output current (pin 1, active high `h' suffix devices) i out ma nch sink current, ncp300, ncp301 (v out = 0.5 v, v in = 5.0 v) 6.3 11 pch source current, ncp300 (v out = 0.4 v, v in = 0.7 v) (v out = gnd, v in = 1.5 v) 0.011 0.525 0.04 0.6 propagation delay input to output (figure 2) s complementary output ncp300 series output transition, high to low output transition, low to high t phl t plh 45 130 300 nchannel open drain ncp301 series output transition, high to low output transition, low to high t phl t plh 45 300
ncp300, ncp301 http://onsemi.com 9 input voltage, pin 2 reset output voltage, pin 1 figure 2. propagation delay measurement conditions 0.7 0 v 5 v 0 v 0.5 v 2.5 v ncp300l complementary ncp301l open drain t plh t phl 0.1 v reset output voltage, pin 1 0 v v det+ + 2 v det+ + 2 v det+ + 2 2 ncp300 and ncp301 series are measured with a 10 pf capacitive load. ncp301 has an additional 470 k pullup resistor connected from the reset output to +5.0 v. the reset output voltage waveforms are shown for the active low `l' devices. the upper detecto r threshold, v det+ is the sum of the lower detector threshold, v det plus the input hysteresis, v hys .
ncp300, ncp301 http://onsemi.com 10 table 1. electrical characteristic table for 0.9 4.9 v detector threshold supply current nch sink current pch so rce ncp300 series detector threshold d etector th res h o ld hysteresis v in low v in high v in low v in high source current v det (v) v hys (v) i in ( a) (1) i in ( a) (2) i out (ma) (3) i out (ma) (4) i out (ma) (5) part number min typ max min typ max typ typ typ typ typ ncp300lsn09t1 0.882 0.9 0.918 0.027 0.045 0.063 0.3 0.5 0.05 0.5 2.0 ncp300lsn10t1 0.980 1.0 1.020 0.030 0.050 0.070 ncp300lsn11t1 1.078 1.1 1.122 0.033 0.055 0.077 1.0 ncp300lsn12t1 1.176 1.2 1.224 0.036 0.060 0.084 ncp300lsn13t1 1.274 1.3 1.326 0.039 0.065 0.091 ncp300lsn14t1 1.372 1.4 1.428 0.042 0.070 0.098 ncp300lsn15t1 1.470 1.5 1.530 0.045 0.075 0.105 ncp300lsn16t1 1.568 1.6 1.632 0.048 0.080 0.112 2.0 ncp300lsn17t1 1.666 1.7 1.734 0.051 0.085 0.119 ncp300lsn18t1 1.764 1.8 1.836 0.054 0.090 0.126 ncp300lsn19t1 1.862 1.9 1.938 0.057 0.095 0.133 ncp300lsn20t1 1.960 2.0 2.040 0.060 0.100 0.140 ncp300lsn21t1 2.058 2.1 2.142 0.063 0.105 0.147 ncp300lsn22t1 2.156 2.2 2.244 0.066 0.110 0.154 ncp300lsn23t1 2.254 2.3 2.346 0.069 0.115 0.161 ncp300lsn24t1 2.352 2.4 2.448 0.072 0.120 0.168 ncp300lsn25t1 2.450 2.5 2.550 0.075 0.125 0.175 ncp300lsn26t1 2.548 2.6 2.652 0.078 0.130 0.182 ncp300lsn27t1 2.646 2.7 2.754 0.081 0.135 0.189 ncp300lsn28t1 2.744 2.8 2.856 0.084 0.140 0.196 ncp300lsn29t1 2.842 2.9 2.958 0.087 0.145 0.203 ncp300lsn30t1 2.940 3.0 3.060 0.090 0.150 0.210 ncp300lsn31t1 3.038 3.1 3.162 0.093 0.155 0.217 ncp300lsn32t1 3.136 3.2 3.264 0.096 0.160 0.224 ncp300lsn33t1 3.234 3.3 3.366 0.099 0.165 0.231 ncp300lsn34t1 3.332 3.4 3.468 0.102 0.170 0.238 ncp300lsn35t1 3.430 3.5 3.570 0.105 0.175 0.245 ncp300lsn36t1 3.528 3.6 3.672 0.108 0.180 0.252 ncp300lsn37t1 3.626 3.7 3.774 0.111 0.185 0.259 ncp300lsn38t1 3.724 3.8 3.876 0.114 0.190 0.266 ncp300lsn39t1 3.822 3.9 3.978 0.117 0.195 0.273 ncp300lsn40t1 3.920 4.0 4.080 0.120 0.200 0.280 0.4 0.6 3.0 ncp300lsn41t1 4.018 4.1 4.182 0.123 0.205 0.287 ncp300lsn42t1 4.116 4.2 4.284 0.126 0.210 0.294 ncp300lsn43t1 4.214 4.3 4.386 0.129 0.215 0.301 ncp300lsn44t1 4.312 4.4 4.488 0.132 0.220 0.308 ncp300lsn45t1 4.410 4.5 4.590 0.135 0.225 0.315 ncp300lsn46t1 4.508 4.6 4.692 0.138 0.230 0.322 ncp300lsn47t1 4.606 4.7 4.794 0.141 0.235 0.329 ncp300lsn48t1 4.704 4.8 4.896 0.144 0.240 0.336 ncp300lsn49t1 4.802 4.9 4.998 0.147 0.245 0.343 (1) condition 1: 0.9 e 2.9 v, v in = v det 0.10 v; 3.0 e 3.9 v, v in = v det 0.13 v; 4.0 e 4.9 v, v in = v det 0.16 v (2) condition 2: 0.9 e 4.9 v, v in = v det + 2.0 v (3) condition 3: 0.9 e 4.9 v, v in = 0.7 v, v out = 0.05 v, active low `l' suffix devices (4) condition 4: 0.9 e 1.0 v, v in = 0.85 v, v out = 0.5 v; 1.1 e 1.5 v, v in = 1.0 v, v out = 0.5 v; 1.6 e 4.9 v, v in = 1.5 v, v out = 0.5 v, condition 4: active low `l' suffix devices (5) condition 5: 0.9 e 3.9 v, v in = 4.5 v, v out = 2.4 v; 4.0 e 4.9 v, v in = 8.0 v, v out = 5.9 v, active low `l' suffix devices
ncp300, ncp301 http://onsemi.com 11 table 2. electrical characteristic table for 0.9 4.9 v detector threshold supply current nch sink pch source current ncp300 series detector threshold d etector th res h o ld hysteresis v in low v in high sink current v in low v in high v det (v) v hys (v) i in ( a) (1) i in ( a) (2) i out (ma) (3) i out (ma) (4) i out (ma) (5) part number min typ max min typ max typ typ typ typ typ ncp300hsn09t1 0.882 0.9 0.918 0.027 0.045 0.063 0.3 0.5 2.5 0.04 0.08 ncp300hsn10t1 0.980 1.0 1.020 0.030 0.050 0.070 ncp300hsn11t1 1.078 1.1 1.122 0.033 0.055 0.077 0.18 ncp300hsn12t1 1.176 1.2 1.224 0.036 0.060 0.084 ncp300hsn13t1 1.274 1.3 1.326 0.039 0.065 0.091 ncp300hsn14t1 1.372 1.4 1.428 0.042 0.070 0.098 ncp300hsn15t1 1.470 1.5 1.530 0.045 0.075 0.105 11 ncp300hsn16t1 1.568 1.6 1.632 0.048 0.080 0.112 0.6 ncp300hsn17t1 1.666 1.7 1.734 0.051 0.085 0.119 ncp300hsn18t1 1.764 1.8 1.836 0.054 0.090 0.126 ncp300hsn19t1 1.862 1.9 1.938 0.057 0.095 0.133 ncp300hsn20t1 1.960 2.0 2.040 0.060 0.100 0.140 ncp300hsn21t1 2.058 2.1 2.142 0.063 0.105 0.147 ncp300hsn22t1 2.156 2.2 2.244 0.066 0.110 0.154 ncp300hsn23t1 2.254 2.3 2.346 0.069 0.115 0.161 ncp300hsn24t1 2.352 2.4 2.448 0.072 0.120 0.168 ncp300hsn25t1 2.450 2.5 2.550 0.075 0.125 0.175 ncp300hsn26t1 2.548 2.6 2.652 0.078 0.130 0.182 ncp300hsn27t1 2.646 2.7 2.754 0.081 0.135 0.189 ncp300hsn28t1 2.744 2.8 2.856 0.084 0.140 0.196 ncp300hsn29t1 2.842 2.9 2.958 0.087 0.145 0.203 ncp300hsn30t1 2.940 3.0 3.060 0.090 0.150 0.210 ncp300hsn31t1 3.038 3.1 3.162 0.093 0.155 0.217 ncp300hsn32t1 3.136 3.2 3.264 0.096 0.160 0.224 ncp300hsn33t1 3.234 3.3 3.366 0.099 0.165 0.231 ncp300hsn34t1 3.332 3.4 3.468 0.102 0.170 0.238 ncp300hsn35t1 3.430 3.5 3.570 0.105 0.175 0.245 ncp300hsn36t1 3.528 3.6 3.672 0.108 0.180 0.252 ncp300hsn37t1 3.626 3.7 3.774 0.111 0.185 0.259 ncp300hsn38t1 3.724 3.8 3.876 0.114 0.190 0.266 ncp300hsn39t1 3.822 3.9 3.978 0.117 0.195 0.273 ncp300hsn40t1 3.920 4.0 4.080 0.120 0.200 0.280 0.4 0.6 ncp300hsn41t1 4.018 4.1 4.182 0.123 0.205 0.287 ncp300hsn42t1 4.116 4.2 4.284 0.126 0.210 0.294 ncp300hsn43t1 4.214 4.3 4.386 0.129 0.215 0.301 ncp300hsn44t1 4.312 4.4 4.488 0.132 0.220 0.308 ncp300hsn45t1 4.410 4.5 4.590 0.135 0.225 0.315 ncp300hsn46t1 4.508 4.6 4.692 0.138 0.230 0.322 ncp300hsn47t1 4.606 4.7 4.794 0.141 0.235 0.329 ncp300hsn48t1 4.704 4.8 4.896 0.144 0.240 0.336 ncp300hsn49t1 4.802 4.9 4.998 0.147 0.245 0.343 (1) condition 1: 0.9 e 2.9 v, v in = v det 0.10 v; 3.0 e 3.9 v, v in = v det 0.13 v; 4.0 e 4.9 v, v in = v det 0.16 v (2) condition 2: 0.9 e 4.9 v, v in = v det + 2.0 v (3) condition 3: 0.9 e 1.4 v, v in = 1.5 v, v out = 0.5 v; 1.5 e 4.9 v, v in = 5.0 v, v out = 0.5 v, active high `h' suffix devices (4) condition 4: 0.9 e 4.9 v, v in = 0.7 v, v out = 0.4 v, active high `h' suffix devices (5) condition 5: 0.9 e 1.0 v, v in = 0.8 v, v out = gnd; 1.1 e 1.5 v, v in = 1.0 v, v out = gnd; 1.6 e 4.9 v, v in = 1.5 v, v out = gnd, active high `h' suffix devices
ncp300, ncp301 http://onsemi.com 12 table 3. electrical characteristic table for 0.9 4.9 v detector threshold supply current nch sink current ncp301 series detector threshold detector threshold hysteresis v in low v in high v in low v in high v det (v) v hys (v) i in ( a) (1) i in ( a) (2) i out (ma) (3) i out (ma) (4) part number min typ max min typ max typ typ typ typ ncp301lsn09t1 0.882 0.9 0.918 0.027 0.045 0.063 0.3 0.5 0.05 0.5 ncp301lsn10t1 0.980 1.0 1.020 0.030 0.050 0.070 ncp301lsn11t1 1.078 1.1 1.122 0.033 0.055 0.077 1.0 ncp301lsn12t1 1.176 1.2 1.224 0.036 0.060 0.084 ncp301lsn13t1 1.274 1.3 1.326 0.039 0.065 0.091 ncp301lsn14t1 1.372 1.4 1.428 0.042 0.070 0.098 ncp301lsn15t1 1.470 1.5 1.530 0.045 0.075 0.105 ncp301lsn16t1 1.568 1.6 1.632 0.048 0.080 0.112 2.0 ncp301lsn17t1 1.666 1.7 1.734 0.051 0.085 0.119 ncp301lsn18t1 1.764 1.8 1.836 0.054 0.090 0.126 ncp301lsn19t1 1.862 1.9 1.938 0.057 0.095 0.133 ncp301lsn20t1 1.960 2.0 2.040 0.060 0.100 0.140 ncp301lsn21t1 2.058 2.1 2.142 0.063 0.105 0.147 ncp301lsn22t1 2.156 2.2 2.244 0.066 0.110 0.154 ncp301lsn23t1 2.254 2.3 2.346 0.069 0.115 0.161 ncp301lsn24t1 2.352 2.4 2.448 0.072 0.120 0.168 ncp301lsn25t1 2.450 2.5 2.550 0.075 0.125 0.175 ncp301lsn26t1 2.548 2.6 2.652 0.078 0.130 0.182 ncp301lsn27t1 2.646 2.7 2.754 0.081 0.135 0.189 ncp301lsn28t1 2.744 2.8 2.856 0.084 0.140 0.196 ncp301lsn29t1 2.842 2.9 2.958 0.087 0.145 0.203 ncp301lsn30t1 2.940 3.0 3.060 0.090 0.150 0.210 ncp301lsn31t1 3.038 3.1 3.162 0.093 0.155 0.217 ncp301lsn32t1 3.136 3.2 3.264 0.096 0.160 0.224 ncp301lsn33t1 3.234 3.3 3.366 0.099 0.165 0.231 ncp301lsn34t1 3.332 3.4 3.468 0.102 0.170 0.238 ncp301lsn35t1 3.430 3.5 3.570 0.105 0.175 0.245 ncp301lsn36t1 3.528 3.6 3.672 0.108 0.180 0.252 ncp301lsn37t1 3.626 3.7 3.774 0.111 0.185 0.259 ncp301lsn38t1 3.724 3.8 3.876 0.114 0.190 0.266 ncp301lsn39t1 3.822 3.9 3.978 0.117 0.195 0.273 ncp301lsn40t1 3.920 4.0 4.080 0.120 0.200 0.280 0.4 0.6 ncp301lsn41t1 4.018 4.1 4.182 0.123 0.205 0.287 ncp301lsn42t1 4.116 4.2 4.284 0.126 0.210 0.294 ncp301lsn43t1 4.214 4.3 4.386 0.129 0.215 0.301 ncp301lsn44t1 4.312 4.4 4.488 0.132 0.220 0.308 ncp301lsn45t1 4.410 4.5 4.590 0.135 0.225 0.315 ncp301lsn46t1 4.508 4.6 4.692 0.138 0.230 0.322 ncp301lsn47t1 4.606 4.7 4.794 0.141 0.235 0.329 ncp301lsn48t1 4.704 4.8 4.896 0.144 0.240 0.336 ncp301lsn49t1 4.802 4.9 4.998 0.147 0.245 0.343 (1) condition 1: 0.9 e 2.9 v, v in = v det 0.10 v; 3.0 e 3.9 v, v in = v det 0.13 v; 4.0 e 4.9 v, v in = v det 0.16 v (2) condition 2: 0.9 e 4.9 v, v in = v det + 2.0 v (3) condition 3: 0.9 e 4.9 v, v in = 0.7 v, v out = 0.05 v, active low `l' suffix devices (4) condition 4: 0.9 e 1.0 v, v in = 0.85 v, v out = 0.5 v; 1.1 e 1.5 v, v in = 1.0 v, v out = 0.5 v; 1.6 e 4.9 v, v in = 1.5 v, v out = 0.5 v, condition 4: active low `l' suffix devices
ncp300, ncp301 http://onsemi.com 13 table 4. electrical characteristic table for 0.9 4.9 v detector threshold supply current nch sink ncp301 series detector threshold d etector th res h o ld hysteresis v in low v in high sink current v det (v) v hys (v) i in ( a) (1) i in ( a) (2) i out (ma) (3) part number min typ max min typ max typ typ typ ncp301hsn09t1 0.882 0.9 0.918 0.027 0.045 0.063 0.3 0.5 2.5 ncp301hsn10t1 0.980 1.0 1.020 0.030 0.050 0.070 ncp301hsn11t1 1.078 1.1 1.122 0.033 0.055 0.077 ncp301hsn12t1 1.176 1.2 1.224 0.036 0.060 0.084 ncp301hsn13t1 1.274 1.3 1.326 0.039 0.065 0.091 ncp301hsn14t1 1.372 1.4 1.428 0.042 0.070 0.098 ncp301hsn15t1 1.470 1.5 1.530 0.045 0.075 0.105 11 ncp301hsn16t1 1.568 1.6 1.632 0.048 0.080 0.112 ncp301hsn17t1 1.666 1.7 1.734 0.051 0.085 0.119 ncp301hsn18t1 1.764 1.8 1.836 0.054 0.090 0.126 ncp301hsn19t1 1.862 1.9 1.938 0.057 0.095 0.133 ncp301hsn20t1 1.960 2.0 2.040 0.060 0.100 0.140 ncp301hsn21t1 2.058 2.1 2.142 0.063 0.105 0.147 ncp301hsn22t1 2.156 2.2 2.244 0.066 0.110 0.154 ncp301hsn23t1 2.254 2.3 2.346 0.069 0.115 0.161 ncp301hsn24t1 2.352 2.4 2.448 0.072 0.120 0.168 ncp301hsn25t1 2.450 2.5 2.550 0.075 0.125 0.175 ncp301hsn26t1 2.548 2.6 2.652 0.078 0.130 0.182 ncp301hsn27t1 2.646 2.7 2.754 0.081 0.135 0.189 ncp301hsn28t1 2.744 2.8 2.856 0.084 0.140 0.196 ncp301hsn29t1 2.842 2.9 2.958 0.087 0.145 0.203 ncp301hsn30t1 2.940 3.0 3.060 0.090 0.150 0.210 ncp301hsn31t1 3.038 3.1 3.162 0.093 0.155 0.217 ncp301hsn32t1 3.136 3.2 3.264 0.096 0.160 0.224 ncp301hsn33t1 3.234 3.3 3.366 0.099 0.165 0.231 ncp301hsn34t1 3.332 3.4 3.468 0.102 0.170 0.238 ncp301hsn35t1 3.430 3.5 3.570 0.105 0.175 0.245 ncp301hsn36t1 3.528 3.6 3.672 0.108 0.180 0.252 ncp301hsn37t1 3.626 3.7 3.774 0.111 0.185 0.259 ncp301hsn38t1 3.724 3.8 3.876 0.114 0.190 0.266 ncp301hsn39t1 3.822 3.9 3.978 0.117 0.195 0.273 ncp301hsn40t1 3.920 4.0 4.080 0.120 0.200 0.280 0.4 0.6 ncp301hsn41t1 4.018 4.1 4.182 0.123 0.205 0.287 ncp301hsn42t1 4.116 4.2 4.284 0.126 0.210 0.294 ncp301hsn43t1 4.214 4.3 4.386 0.129 0.215 0.301 ncp301hsn44t1 4.312 4.4 4.488 0.132 0.220 0.308 ncp301hsn45t1 4.410 4.5 4.590 0.135 0.225 0.315 ncp301hsn46t1 4.508 4.6 4.692 0.138 0.230 0.322 ncp301hsn47t1 4.606 4.7 4.794 0.141 0.235 0.329 ncp301hsn48t1 4.704 4.8 4.896 0.144 0.240 0.336 ncp301hsn49t1 4.802 4.9 4.998 0.147 0.245 0.343 (1) condition 1: 0.9 e 2.9 v, v in = v det 0.10 v; 3.0 e 3.9 v, v in = v det 0.13 v; 4.0 e 4.9 v, v in = v det 0.16 v (2) condition 2: 0.9 e 4.9 v, v in = v det + 2.0 v (3) condition 3: 0.9 e 1.4 v, v in = 1.5 v, v out = 0.5 v; 1.5 e 4.9 v, v in = 5.0 v, v out = 0.5 v, active high `h' suffix devices
ncp300, ncp301 http://onsemi.com 14 v out , output voltage (v) v out , output voltage (v) v out , output voltage (v) v det , detector threshold voltage (v) v det , detector threshold voltage (v) 50 4.9 t a , ambient temperature ( c) 4.8 4.7 4.6 4.4 25 0 25 50 75 100 4.5 4.3 3.00 50 0.98 t a , ambient temperature ( c) 2.90 0.96 2.80 0.94 2.70 0.92 2.60 0.88 25 0 25 50 75 100 0.90 0.86 50 25 0 25 50 75 10 0 t a , ambient temperature ( c) 2.65 2.75 2.85 2.95 v det+ figure 3. ncp300/1 series 0.9 v detector threshold voltage versus temperature figure 4. ncp300/1 series 2.7 v detector threshold voltage versus temperature figure 5. ncp300/1 series 4.5 v detector threshold voltage versus temperature v det v in , input voltage (v) 0 0.2 0.4 0.6 0.8 1.0 0.8 0.6 0.4 0.2 0 1.0 figure 6. ncp300h/1l series 0.9 v reset output voltage versus input voltage 0 1.0 1.5 2.0 2.5 3.0 2.0 1.5 1.0 0.5 0 3.0 v in , input voltage (v) 0.5 2.5 figure 7. ncp300h/1l series 2.7 v reset output voltage versus input voltage 0 1.0 2.0 3.0 4.0 5.0 4.0 3.0 2.0 1.0 0 5.0 6.0 7.0 6.0 v in , input voltage (v) figure 8. ncp300h/1l series 4.5 v reset output voltage versus input voltage v det+ v det v det+ v det t a = 25 c t a = 30 c t a = 85 c v det , detector threshold voltage (v) t a = 30 c t a = 25 c t a = 85 c t a = 30 c t a = 25 c t a = 85 c
ncp300, ncp301 http://onsemi.com 15 i in , input current ( m a) i in , input current ( m a) i in , input current ( m a) i out , output sink current (ma) 6.3 m a 18.2 m a t a = 25 c 0 v out , output voltage (v) 0.2 0.4 0.6 0.8 1.0 1.2 0.6 0.4 0 0.2 0.8 1.0 0 35 25 15 5.0 0.5 1.0 1.5 2.0 2.5 3.0 10 0 3.5 4.0 20 30 v out , output voltage (v) figure 9. ncp300h/1l series 0.9 v reset output sink current versus output voltage figure 10. ncp300h/1l series 2.7 v reset output sink current versus output voltage figure 11. ncp300h/1l series 4.5 v reset output sink current versus output voltage v in , input voltage (v) 0 2.0 4.0 6.0 8.0 2.5 2.0 1.5 1.0 0.5 0 10 figure 12. ncp300/1 series 0.9 v input current versus input voltage 0 2.0 6.0 8.0 10 2.0 1.5 1.0 0.5 0 v in , input voltage (v) 4.0 2.5 figure 13. ncp300/1 series 2.7 v input current versus input voltage t a = 25 c figure 14. ncp300/1 series 4.5 v input current versus input voltage 0 2.0 6.0 8.0 2.0 1.5 1.0 0.5 0 v in , input voltage (v) 4.0 2.5 10 16 12 8.0 4.0 0 2.0 6.0 10 14 0 0.5 1.0 1.5 2.0 2.5 v out , output voltage (v) t a = 25 c t a = 25 c v in = 4.0 v v in = 3.5 v v in = 3.0 v v in = 2.5 v v in = 2.0 v v in = 1.5 v i out , output sink current (ma) i out , output sink current (ma) v in = 2.5 v v in = 2.0 v v in = 1.5 v t a = 25 c v in = 0.85 v v in = 0.7 v t a = 25 c
ncp300, ncp301 http://onsemi.com 16 i out , output source current (ma) i out , output source current (ma) i out , output source current (ma) i out , output sink current (ma) i out , output sink current (ma) i out , output sink current (ma) v in , input voltage (v) figure 15. ncp300h/1l series 0.9 v reset output sink current versus input voltage 1.2 0.8 0.4 0 0.2 0.6 1.0 1.4 0 0.2 0.4 0.6 0.8 1.0 v in , input voltage (v) figure 16. ncp300h/1l series 2.7 v reset output sink current versus input voltage 0 7.0 5.0 3.0 1.0 0.5 1.0 1.5 2.0 2.5 3.0 2.0 0 4.0 6.0 v in , input voltage (v) figure 17. ncp300h/1l series 4.5 v reset output sink current versus input voltage 0 1.0 2.0 3.0 4.0 5.0 12 6.0 4.0 0 2.0 8.0 10 figure 18. ncp300h series 0.9 v reset output source current versus input voltage 10 8.0 2.0 0 0 2.0 4.0 6.0 8.0 10 v in , input voltage (v) 4.0 6.0 12 v out = v in 2.1 v figure 19. ncp300h series 2.7 v reset output source current versus input voltage 10 8.0 0 0 2.0 4.0 6.0 8.0 10 v in , input voltage (v) 2.0 4.0 6.0 12 v out = v in 2.1 v figure 20. ncp300h series 4.5 v reset output source current versus input voltage 10 8.0 0 0 2.0 4.0 6.0 8.0 10 v in , input voltage (v) 2.0 4.0 6.0 12 v out = v in 2.1 v t a = 25 c t a = 30 c t a = 85 c t a = 25 c t a = 30 c t a = 85 c t a = 25 c t a = 30 c t a = 85 c t a = 25 c v in 1.5 v v in 1.0 v v in 0.5 v v in 1.5 v v in 1.0 v v in 0.5 v t a = 25 c t a = 25 c v in 1.5 v v in 1.0 v v in 0.5 v
ncp300, ncp301 http://onsemi.com 17 operating description the ncp300 and ncp301 series devices are second generation ultralow current voltage detectors. figures 21 and 22 show a timing diagram and a typical application. initially consider that input voltage v in is at a nominal level and it is greater than the voltage detector upper threshold (v det+ ), and the reset output (pin 1) will be in the high state for active low devices, or in the low state for active high devices. if there is a power interruption and v in becomes significantly deficient, it will fall below the lower detector threshold (v det ). this sequence of events causes the reset output to be in the low state for active low devices, or in the high state for active high devices. after completion of the power interruption, v in will again return to its nominal level and become greater than the v det+ . the voltage detector has builtin hysteresis to prevent erratic reset operation as the comparator threshold is crossed. although these device series are specifically designed for use as reset controllers in portable microprocessor based systems, they offer a costeffective solution in numerous applications where precise voltage monitoring is required. figure 22 through figure 29 shows various application examples. figure 21. timing waveforms v in v det + v det input voltage, pin 2 v in 0 v reset output (active low), pin 1 reset output (active high), pin 1 v in 0 v v det + v det v det + v det
ncp300, ncp301 http://onsemi.com 18 application circuit information output figure 22. microprocessor reset circuit 2 input 1 reset output gnd ncp300 lsn27t1 figure 23. battery charge indicator 2 input 1 reset output gnd gnd v dd reset v dd ncp300 series 3 3 microprocessor * required for ncp301 v in < 2.7 on v in > 2.835 on to additional circuitry * 2.85 v 2.70 v 2 input 1 reset output gnd uv ncp301 lsn23t1 figure 24. window voltage detector 3 v supply fault 2 input 1 reset output gnd ov ncp301 hsn43t1 3 input uv fault uv fault ov fault ov fault ok ok 10 v active high device thresholds active low device thresholds 1.0 v the above circuit combines an active high and an active low reset output device to form a window detector for monitoring battery or power supply voltages. when the input voltage falls outside of the window established by the upper and lower device thresholds, the led will turn on indicating a fault. as the input voltage falls within the window, increasing from 1.0 v and exceeding the active low device's hysteresis threshold, or decreasing from the peak towards 1.0 v and falling below the active high device's undervoltage threshold, the led will turn off. the device thresholds shown can be used for a single cell lithiumion battery charge detector.
ncp300, ncp301 http://onsemi.com 19 application circuit information low state output if either power supply is below the respective undervoltage detector threshold but greater than 1.0 v. 2 1 ncp301 lsn45t1 figure 25. dual power supply undervoltage supervision 3 v supply 2 1 ncp301 lsn30t1 3 3.3 v 5.0 v input reset output gnd input reset output gnd figure 26. microprocessor reset circuit with additional hysteresis 2 1 ncp301 lsn27t1 3 v dd gnd reset output input r h r l ncp301 lsn27t1 gnd ncp301 lsn27t1 gnd gnd reset v dd microprocessor comparator hysteresis can be increased with the addition of resistor r h . the hysteresis equations have been simplified and do not account for the change of input current i in as v in crosses the comparator threshold. the internal resistance, r in is simply calculated using i in = 0.26 m a at 2.6 v. v in decreasing: v th r h r in 1 v det v in increasing: v th r h r in r l 1 v det v hys v hys = v in increasing v in decreasing test data v th decreasing (mv) v th increasing (mv) v hys (mv) r h ( ) r l (k ) 2.70 2.70 2.70 2.70 2.70 2.70 2.70 2.70 2.70 2.70 2.84 2.87 2.88 2.91 2.90 2.94 2.98 2.70 3.04 3.15 0.135 0.17 0.19 0.21 0.20 0.24 0.28 0.27 0.34 0.35 0 100 100 100 220 220 220 470 470 470 10 6.8 4.3 10 6.8 4.3 10 6.8 4.3
ncp300, ncp301 http://onsemi.com 20 figure 27. simple clock oscillator ncp301 lsn27t1 gnd reset output input 82 k ncp301 lsn27t1 gnd ncp300 hsn27t1 gnd c 5.0 v 100 k c ( f) f osc (khz) i q ( a) 0.01 2590 21.77 0.1 490 21.97 1.0 52 22.07 test data 2 1 3 figure 28. microcontroller system load sensing ncp301 lsn27t1 50 k ncp301 lsn27t1 ncp301 lsn09t1 v supply load r sense input 2 3 gnd 1 reset output microcontroller gnd v dd if: i load v det /r sense i load (v det +v hys )/r sense then: reset output = 0 v reset output = v dd this circuit monitors the current at the load. as current flows through the load, a voltage drop with respect to ground appears across r sense where v sense = i load * r sense. the following conditions apply:
ncp300, ncp301 http://onsemi.com 21 figure 29. led bar graph voltage monitor ncp301 lsn27t1 2 ncp301 lsn27t1 ncp301 lsn45t1 3 1 v supply ncp301 lsn27t1 2 ncp301 lsn27t1 ncp301 lsn27t1 3 1 ncp301 lsn27t1 2 ncp301 lsn27t1 ncp301 lsn18t1 3 1 input gnd reset output input gnd reset output input gnd reset output v in = 1.0 v to 10 v a simple voltage monitor can be constructed by connecting several voltage detectors as shown above. each led will sequentially turn on when the respective voltage detector threshold (v det +v hys ) is exceeded. note that detector thresholds (v det ) that range from 0.9 v to 4.9 v in 100 mv steps can be manufactured.
ncp300, ncp301 http://onsemi.com 22 minimum recommended footprint for surface mounted applications surface mount board layout is a critical portion of the total design. the footprint for the semiconductor packages must be the correct size to insure proper solder connection interface between the board and the package. with the correct pad geometry, the packages will self align when subjected to a solder reflow process. inches mm 0.028 0.7 0.074 1.9 0.037 0.95 0.037 0.95 0.094 2.4 0.039 1.0 thin sot235
ncp300, ncp301 http://onsemi.com 23 ordering information device threshold voltage output type reset marking package (qty/reel) ncp300lsn09t1 0.9 sej ncp300lsn18t1 1.8 sfk ncp300lsn20t1 2.0 she ncp300lsn27t1 2.7 see ncp300lsn28t1 2.8 active sed ncp300lsn30t1 3.0 a ct i ve low sec ncp300lsn33t1 3.3 l ow skv ncp300lsn34t1 3.4 sku ncp300lsn44t1 4.4 cmos skk ncp300lsn45t1 4.5 cmos sea ncp300lsn47t1 4.7 sdz ncp300hsn09t1 0.9 sdy ncp300hsn18t1 1.8 sfj ncp300hsn27t1 2.7 active sdu ncp300hsn30t1 3.0 active high sds ncp300hsn45t1 4.5 high sdq ncp300hsn47t1 4.7 sdp 3000 units on ncp301lsn09t1 0.9 sff 3000 units on 7 inch reel ncp301lsn12t1 1.2 snn 7 inch reel ncp301lsn18t1 1.8 sfn ncp301lsn20t1 2.0 sfd ncp301lsn22t1 2.2 sng ncp301lsn25t1 2.5 active snf ncp301lsn27t1 2.7 a ct i ve low sfa ncp301lsn28t1 2.8 l ow sez ncp301lsn30t1 3.0 open sey ncp301lsn33t1 3.3 oen drain snb ncp301lsn40t1 4.0 drain smu ncp301lsn45t1 4.5 sev ncp301lsn47t1 4.7 seu ncp301hsn09t1 0.9 set ncp301hsn18t1 1.8 active sfm ncp301hsn27t1 2.7 a ct i ve high sep ncp301hsn30t1 3.0 hi g h sen ncp301hsn45t1 4.5 sel note: the ordering information lists seven standard under voltage thresholds with active low outputs. additional active low thr eshold devices, ranging from 0.9 v to 4.9 v in 100 mv increments and ncp300/ncp301 active high output devices, ranging from 0.9 v to 4.9 v in 1 00 mv increments can be manufactured. contact your on semiconductor representative for availability. the electrical characteristics o f these additional devices are shown in tables 1 and 2.
ncp300, ncp301 http://onsemi.com 24 package dimensions thin sot235 sn suffix plastic package case 48301 issue b notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. 3. maximum lead thickness includes lead finish thickness. minimum lead thickness is the minimum thickness of base material. dim min max min max inches millimeters a 2.90 3.10 0.1142 0.1220 b 1.30 1.70 0.0512 0.0669 c 0.90 1.10 0.0354 0.0433 d 0.25 0.50 0.0098 0.0197 g 0.85 1.05 0.0335 0.0413 h 0.013 0.100 0.0005 0.0040 j 0.10 0.26 0.0040 0.0102 k 0.20 0.60 0.0079 0.0236 l 1.25 1.55 0.0493 0.0610 m 0 10 0 10 s 2.50 3.00 0.0985 0.1181 0.05 (0.002) 123 54 s a g l b d h c k m j 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. ncp300/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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