View R3112N111C-TR-FE_6708866.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

r3112x series low voltage detector with output delay no. ea-087-110131 1 outline the r3112x series are cmos-based voltage detector ic s with high detector threshold accuracy and ultra-low supply current, which can be operated at an extremely lo w voltage and is used for system reset as an example. each of these ics consists of a voltage reference unit, a comparator, resistor net for detector threshold setting, an output driver, a hysteresis circuit, and an output delay circuit. the detector threshold is fixed with high accuracy internally and does not require any adjustm ent. two output types, nch open drain type and cmos type are available. three types of packages, sot-23-5, small sc-82ab, sc-88a and ultra-small son1612-6 can be selected so that high density mounting on boards is possible. features ? built-in output delay ci rcuit............................................... typ. 100ms with an external capacitor: 0.022 f ? supply current ................................................................... typ. 0.5 a (r3112x27xa/c, v dd = 2.6v) ? operating voltage .............................................................. 0.7 to 6.0v (topt = 25 c) ? detector threshold............................................................. 0.9v to 5.0v (0.1v steps) ? detector threshold accuracy............................................. 2.0% ? temperature-drift coefficient of detector threshold ............ typ. 100ppm/ c ? output type s...................................................................... nch open drain and cmos ? packages ........................................................................... son1612-6, sc -82ab, sc-88a, sot-23-5 applications ? cpu and logic circuit reset ? battery checker ? window comparator ? wave shaping circuit ? battery back-up circuit ? power failure detector
r3112x 2 block diagrams r3112xxxxa r3112xxxxc gnd v dd - + vref out r d c d gnd v dd - + vref out r d c d selection guide the package type, the detector threshold, and the out put type for the ics can be selected at the users? request. product name package quantity per reel pb free halogen free r3112dxx1 ? -tr-fe son1612-6 4,000 pcs yes yes r3112qxx1 ? -tr-fe sc-82ab 3,000 pcs yes yes r3112qxx2 ? -tr-fe sc-88a 3,000 pcs yes yes r3112nxx1 ? -tr-fe sot-23-5 3,000 pcs yes yes xx : the detector threshold can be designated in the range from 0.9v(09) to 5.0v(50) in 0.1v steps. ? : designation of output type (a) nch open drain (c) cmos
r3112x 3 pin configuration z son1612-6 z sc-82ab z sc-88a z sot-23-5 1 2 3 6 5 4 (mark side) 4 3 1 2 (mark side) 54 1 3 2 (mark side) 1 2 3 4 5 (mark side) pin description ? son1612-6 pin no symbol pin description 1 out output pin (output "l" at detection) 2 gnd ground pin 3 c d pin for external capacitor (for setting output delay) 4 nc no connection 5 gnd ground pin 6 v dd voltage supply pin ? sc-82ab pin no symbol pin description 1 v dd voltage supply pin 2 gnd ground pin 3 c d pin for external capacitor (for setting output delay) 4 out output pin (output "l" at detection) ? sc-88a pin no symbol pin description 1 v dd voltage supply pin 2 nc no connection 3 gnd ground pin 4 c d pin for external capacitor (for setting output delay) 5 out output pin (output "l" at detection) ? sot-23-5 pin no symbol pin description 1 out output pin (output "l" at detection) 2 v dd voltage supply pin 3 gnd ground pin 4 nc no connection 5 c d pin for external capacitor (for setting output delay)
r3112x 4 absolute maximum ratings symbol item rating unit v dd supply voltage 6.5 v output voltage (cmos) v ss ? 0.3 to v dd + 0.3 v v out output voltage (nch) v ss ? 0.3 to 6.5 v i out output current 20 ma power dissipation (son1612-6) ? 500 power dissipation (sc-82ab) ? 380 power dissipation (sc-88a) ? 380 p d power dissipation (sot-23-5) ? 420 mw t opt operating temperature range ? 40 to 85 c t stg storage temperature range ? 55 to 125 c t solder lead temperature (soldering) 260 c, 10s ? ) for power dissipation, please refer to package information. absolute maximum ratings electronic and mechanical stress momentarily exceeded absolute maximum ratings may cause the permanent damages and may degrade the life time and safe ty for both device and sy stem using the device in the field. the functional operation at or over these absolute maximum ratings is not assured.
r3112x 5 electrical characteristics ? r3112x09xa/c topt = 25 c symbol item conditions min. typ. max. unit -v det detector threshold 0.882 0.900 0.918 v v hys detector threshold hysteresis 0.027 0.045 0.063 v v dd = 0.8v 0.6 2.0 i ss supply current v dd = 1.9v 0.5 2.0 a v ddh maximum operating voltage 6.0 v t opt = 25 c 0.70 v ddl minimum operating voltage ? ? 40 c t opt 85 c 0.80 v v ds = 0.05v v dd = 0.7v 0.01 0.12 nch v ds = 0.5v v dd = 0.85v 0.05 0.90 i out output current (driver output pin) pch v ds =? 2.1v v dd = 4.5v 1.5 3.5 ma v tcd c d pin threshold voltage v dd = 0.99v 0.297 0.495 0.693 v v ds = 0.1v, v dd = 0.70v 20 70 i cd c d pin output current v ds = 0.5v, v dd = 0.85v 10 400 a r d output delay resistance 3.25 6.50 13.00 m -v det / t opt detector threshold temperature coefficient ? 40 c t opt 85 c 100 ppm/ c ?) minimum operating voltage means the value of input voltage when output voltage maintains 0.1v or less. (in the case of nch open drain type, output pin is pulled up with a resistance of 470k to 5.0v.) recommended operating conditions (electrical characteristics) all of electronic equipment should be designed that the mounted semiconductor devices operate within the recommended operating conditions. the semiconductor devices cannot operate normally over the recommended operating conditions, even if when they are used over such conditions by momentary electronic noise or surge. and the semiconductor de vices may receive serious damage when they continue to operate over the recommended operating conditions.
r3112x 6 ? r3112x27xa/c topt = 25 c symbol item conditions min. typ. max. unit -v det detector threshold 2.646 2.700 2.754 v v hys detector threshold hysteresis 0.081 0.135 0.189 v v dd = 2.6v 1.0 3.0 i ss supply current v dd = 3.7v 0.5 2.5 a v ddh maximum operating voltage 6.0 v t opt = 25 c 0.7 v ddl minimum operating voltage ? ? 40 c t opt 85 c 0.8 v v ds = 0.05v v dd = 0.7v 0.01 0.12 nch v ds = 0.5v v dd = 1.5v 1.0 3.0 i out output current (driver output pin) pch v ds =? 2.1v v dd = 4.5v 1.5 3.5 ma v tcd c d pin threshold voltage v dd = 2.97v 0.891 1.485 2.079 v v ds = 0.1v,v dd = 0.7v 20 70 i cd c d pin output current v ds = 0.5v,v dd = 1.5v 200 500 a r d output delay resistance 3.25 6.50 13.00 m -v det / t opt detector threshold temperature coefficient ? 40 c t opt 85 c 100 ppm/ c ?) minimum operating voltage means the value of input voltage when output voltage maintains 0.1v or less. (in the case of nch open drain type, output pin is pulled up with a resistance of 470k to 5.0v.) recommended operating conditions (electrical characteristics) all of electronic equipment should be designed that the mounted semiconductor devices operate within the recommended operating conditions. the semiconductor devices cannot operate normally over the recommended operating conditions, even if when they are used over such conditions by momentary electronic noise or surge. and the semiconductor de vices may receive serious damage when they continue to operate over the recommended operating conditions.
r3112x 7 ? r3112x50xa/c topt = 25 c symbol item conditions min. typ. max. unit -v det detector threshold 4.900 5.000 5.100 v v hys detector threshold hysteresis 0.150 0.250 0.350 v v dd = 4.9v 1.5 3.0 i ss supply current v dd = 6.0v 0.6 2.5 a v ddh maximum operating voltage 6.0 v t opt = 25 c 0.7 v ddl minimum operating voltage ? ? 40 c t opt 85 c 0.8 v v ds = 0.05v v dd = 0.70v 0.01 0.12 nch v ds = 0.50v v dd = 1.50v 1.0 3.0 i out output current (driver output pin) pch v ds =? 2.1v v dd = 6.0v 2.0 4.5 ma v tcd c d pin threshold voltage v dd = 5.50v 1.650 2.750 3.850 v v ds = 0.1v, v dd = 0.7v 20 70 i cd c d pin output current v ds = 0.5v, v dd = 1.5v 200 500 a r d output delay resistance 3.25 6.50 13.00 m -v det / t opt detector threshold temperature coefficient ? 40 c t opt 85 c 100 ppm/ c ?) minimum operating voltage means the value of input voltage when output voltage maintains 0.1v or less. (in the case of nch open drain type, output pin is pulled up with a resistance of 470k to 5.0v.) recommended operating conditions (electrical characteristics) all of electronic equipment should be designed that the mounted semiconductor devices operate within the recommended operating conditions. the semiconductor devices cannot operate normally over the recommended operating conditions, even if when they are used over such conditions by momentary electronic noise or surge. and the semiconductor de vices may receive serious damage when they continue to operate over the recommended operating conditions.
r3112x 8 electrical characteristics by detector threshold detector threshold hysteresis range supply current 1 supply current 2 output current 1 output current 2 product code -v det [v] v hys [v] i ss 1[ a] i ss 2[ a] i out 1[ma] i out 2[ma] min. typ. max. min. typ. max. condi- tions typ. max. condi- tions typ. max. condi- tions min. typ. conditions min. typ. r3112x09xa/c 0.882 0. 900 0.918 0.027 0.045 0.063 r3112x10xa/c 0.980 1. 000 1.020 0.030 0.050 0.070 0.6 2.0 v ds = 0.5v v dd = 0.85v 0.05 0.9 r3112x11xa/c 1.078 1. 100 1.122 0.033 0.055 0.077 r3112x12xa/c 1.176 1. 200 1.224 0.036 0.060 0.084 r3112x13xa/c 1.274 1. 300 1.326 0.039 0.065 0.091 r3112x14xa/c 1.372 1. 400 1.428 0.042 0.070 0.098 r3112x15xa/c 1.470 1. 500 1.530 0.045 0.075 0.105 0.7 2.5 0.5 2.0 v ds = 0.5v v dd = 1.0v 0.2 1.8 r3112x16xa/c 1.568 1. 600 1.632 0.048 0.080 0.112 r3112x17xa/c 1.666 1. 700 1.734 0.051 0.085 0.119 r3112x18xa/c 1.764 1. 800 1.836 0.054 0.090 0.126 r3112x19xa/c 1.862 1. 900 1.938 0.057 0.095 0.133 r3112x20xa/c 1.960 2. 000 2.040 0.060 0.100 0.140 r3112x21xa/c 2.058 2. 100 2.142 0.063 0.105 0.147 r3112x22xa/c 2.156 2. 200 2.244 0.066 0.110 0.154 r3112x23xa/c 2.254 2. 300 2.346 0.069 0.115 0.161 r3112x24xa/c 2.352 2. 400 2.448 0.072 0.120 0.168 r3112x25xa/c 2.450 2. 500 2.550 0.075 0.125 0.175 r3112x26xa/c 2.548 2. 600 2.652 0.078 0.130 0.182 r3112x27xa/c 2.646 2. 700 2.754 0.081 0.135 0.189 r3112x28xa/c 2.744 2. 800 2.856 0.084 0.140 0.196 r3112x29xa/c 2.842 2. 900 2.958 0.087 0.145 0.203 r3112x30xa/c 2.940 3. 000 3.060 0.090 0.150 0.210 1.0 3.0 0.5 2.5 r3112x31xa/c 3.038 3. 100 3.162 0.093 0.155 0.217 r3112x32xa/c 3.136 3. 200 3.264 0.096 0.160 0.224 r3112x33xa/c 3.234 3. 300 3.366 0.099 0.165 0.231 r3112x34xa/c 3.332 3. 400 3.468 0.102 0.170 0.238 r3112x35xa/c 3.430 3. 500 3.570 0.105 0.175 0.245 r3112x36xa/c 3.528 3. 600 3.672 0.108 0.180 0.252 r3112x37xa/c 3.626 3. 700 3.774 0.111 0.185 0.259 r3112x38xa/c 3.724 3. 800 3.876 0.114 0.190 0.266 r3112x39xa/c 3.822 3. 900 3.978 0.117 0.195 0.273 r3112x40xa/c 3.920 4. 000 4.080 0.120 0.200 0.280 1.2 3.0 0.6 2.5 r3112x41xa/c 4.018 4. 100 4.182 0.123 0.205 0.287 r3112x42xa/c 4.116 4. 200 4.284 0.126 0.210 0.294 r3112x43xa/c 4.214 4. 300 4.386 0.129 0.215 0.301 r3112x44xa/c 4.312 4. 400 4.488 0.132 0.220 0.308 r3112x45xa/c 4.410 4. 500 4.590 0.135 0.225 0.315 r3112x46xa/c 4.508 4. 600 4.692 0.138 0.230 0.322 r3112x47xa/c 4.606 4. 700 4.794 0.141 0.235 0.329 r3112x48xa/c 4.704 4. 800 4.896 0.144 0.240 0.336 r3112x49xa/c 4.802 4. 900 4.998 0.147 0.245 0.343 r3112x50xa/c 4.900 5. 000 5.100 0.150 0.250 0.350 v dd = -v det ? 0.1v 1.5 3.0 v dd = -v det + 1.0v 0.6 2.5 v ds = 0.05v v dd = 0.7v 0.01 0.12 nch v ds = 0.5v v dd = 1.5v 1.0 3.0
r3112x 9 output current 3 minimum operating voltage c d pin threshold voltage c d pin output current 1 c d pin output current 2 resistance for output delay detector threshold temperature i out 3[ma] v ddl [v] v tcd [v] i cd 1[ a] i cd 2[ a] r d [m ] -v det / topt [ppm/ c] condition min. typ. condi- tion max. condi- tion max. condi- tion min. typ. max. condi- tion min. typ. condi- tion min. typ. min. typ. max. condi- tion typ. 0.297 0.495 0.693 0.330 0.550 0.770 v ds = 0.5v v dd = 0.85v 10 400 0.363 0.605 0.847 0.396 0.660 0.924 0.429 0.715 1.001 0.462 0.770 1.078 0.495 0.825 1.155 v ds = 0.5v v dd = 1.0v 50 450 0.528 0.880 1.232 0.561 0.935 1.309 0.594 0.990 1.386 0.627 1.045 1.463 0.660 1.100 1.540 0.693 1.155 1.617 0.726 1.210 1.694 0.759 1.265 1.771 0.792 1.320 1.848 0.825 1.375 1.925 0.858 1.430 2.002 0.891 1.485 2.079 0.924 1.540 2.156 0.957 1.595 2.233 0.990 1.650 2.310 1.023 1.705 2.387 1.056 1.760 2.464 1.089 1.815 2.541 1.122 1.870 2.618 1.155 1.925 2.695 1.188 1.980 2.772 1.221 2.035 2.849 1.254 2.090 2.926 v ds = ? 2.1v v dd = 4.5v 1.5 3.5 1.287 2.145 3.003 1.320 2.200 3.080 1.353 2.255 3.157 1.386 2.310 3.234 1.419 2.365 3.311 1.452 2.420 3.388 1.485 2.475 3.465 1.518 2.530 3.542 1.551 2.585 3.619 1.584 2.640 3.696 1.617 2.695 3.773 pch v ds = ? 2.1v v dd = 6.0v 2.0 4.5 topt = 25 c 0.7 ? 40 c < = topt < = 85 c 0.8 v dd = (-v det ) 1.1v 1.650 2.750 3.850 v ds = 0.1v v dd = 0.7v 20 70 v ds = 0.5v v dd = 1.5v 200 500 3.25 6.5 13.0 ? 40 c < = < = c 100
r3112x 10 operation v dd pch rc tr.1 tr.2 rb ra nch r d o ut c d gnd + - vref schmitt trigger comparator current source output capacitor fig. 1 block diagram with an external capacitor t d gnd gnd v ddl - v det +v det detector threshold released voltage minimum operating voltage 12 3 4 5 a b detector threshold hysteresis supply voltage (v dd ) output voltage (v out ) t phl detect delay time step 1 2 3 4 5 comparator ( ? ) pin input voltage i ii ii ii i comparator output l h indefinite h l tr.1,2 off on indefinite on off pch on off indefinite off on output tr. nch off on indefinite on off i v dd rb + + rb + rc ii v dd rb ra + rb fig. 2 operation diagram 1. output voltage is equal to supply voltage. (as for nch open drain type, equal to pull-up voltage.) 2. when the supply voltage is down to the detector threshold voltage level(point a), vref v dd (rb + rc)/(ra + rb + rc) is true, then output of the comparator is reversed from "l" to "h", therefore output voltage becomes gnd level. 3. when the supply voltage is lower than minimum opera ting voltage, the operation of output transistor is indefinite. in the case of nch open drain ty pe, output voltage is equal to pull-up voltage. 4. output voltage becomes gnd level. 5. when the supply voltage is higher than released voltage (point b), vref v dd rb/(ra + rb) is true, then output of the comparator r eaches the threshold level, and output of shmitt trigger is reversed from "h" to "l", then output voltage is equal to supply voltage. (a s for nch open drain type, equal to pull-up voltage.) ? ) the difference between released voltage and detector threshold voltage means hysteresis range voltage.
r3112x 11 ? operation of output delay gnd gnd released voltage (+v det ) c d pin threshold voltage (v tcd ) output delay time(t d ) output voltage capacitor voltage supply voltage when the supply voltage which is higher than released voltage is forced to v dd pin, charge to an external capacitor starts, then capacitor voltage increases. until the capacitor voltage reaches to c d pin threshold voltage, output voltage maintains "l". when the capacitor voltage becomes higher than c d pin threshold voltage, output voltage is reversed from "l" to "h". where, the time in terval between the rising edge of supply voltage and output voltage reverse point means output delay time. ? output delay time output delay time (t d ) can be calculated with the next formula. t d = 0.69 r d c d (s) r d is internal resistor and set at 6.5m (typ.) typically. c d (f) describes the capacita nce value of an external capacitor. therefore, t d = 0.69 6.5 10 6 c d (s)
r3112x 12 test circuits ? pull-up circuit is not necessary for cmos output type, or r3112xxxxc. r3112x v dd v in i ss gnd r3112x v dd out +5v or v dd 470k v in gnd supply current test circuit detector threshold test circuit v dd out v in v ds gnd i out r3112x v dd out v in v dd +v ds gnd i out r3112x nch driver output current test circuit pch driver output current test circuit ? apply only to cmos v dd c d out +5v or v dd 470k v in gnd v ds r3112x v dd c d v in gnd v ds i cd r3112x cd pin threshold test circuit cd pin output current test circuit input voltage (v dd ) output voltage (v out ) + v det + 2.0v or 0.6v 0.7v gnd 100% 50% gnd t d t phl r3112x v dd c d o ut +5v 470k v in gnd c d output delay time test circuit
r3112x 13 typical characteristics 1) supply current vs. input voltage r3112x09xa/c r3112x13xa/c 1.5 1.2 0.9 0.6 0.3 0 input voltage v in (v) supply current i ss ( a) 01234567 topt=85 c -40 c 25 c 1.5 1.2 0.9 0.6 0.3 0 input voltage v in (v) supply current i ss ( a) 01234567 topt=85 c -40 c 25 c r3112x27xa/c r3112x45xa/c 1.5 1.2 0.9 0.6 0.3 0 input voltage v in (v) supply current i ss ( a) 01234567 topt=85 c -40 c 25 c 2.0 1.6 1.2 0.8 0.4 0 input voltage v in (v) supply current i ss ( a) 01234567 topt=85 c -40 c 25 c 2) detector threshold vs. temperature r3112x09xa/c r3112x13xa/c 0.98 0.88 0.86 temperature topt( c) detector threshold/released voltage v det (v) -50 -25 75 100 0 25 50 0.90 0.92 0.94 0.96 +v det -v det 1.42 1.28 1.26 temperature topt( c) detector threshold/released voltage v det (v) -50 -25 75 100 0 25 50 1.30 1.32 1.34 1.36 1.38 1.40 +v det -v det
r3112x 14 r3112x27xa/c r3112x45xa/c 2.90 2.65 2.60 temperature topt( c) detector threshold/released voltage v det (v) -50 -25 75 100 0 25 50 2.70 2.75 2.80 2.85 +v det -v det 4.75 4.40 4.35 temperature topt( c) detector threshold/released voltage v det (v) -50 -25 75 100 0 25 50 4.45 4.50 4.55 4.60 4.65 4.70 +v det -v det 3) output voltage vs. input voltage r3112x09xa/c r3112x09xa 1.0 0.8 0.6 0.4 0.2 0.0 input voltage v in (v) output voltage v out (v) 0 0.2 0.8 1 0.4 0.6 nch output type: v dd pull up topt=-40 c 25 c 85 c 6.0 5.0 4.0 3.0 2.0 0.0 input voltage v in (v) output voltage v out (v) 0 0.2 0.8 1 0.4 0.6 1.0 5v pull up via 470k topt=-40 c 25 c 85 c r3112x13xa/c r3112x13xa 1.5 1.2 0.9 0.6 0.3 0 input voltage v in (v) output voltage v out (v) 0 0.3 1.2 1.5 0.6 0.9 nch output type: v dd pull up topt=-40 c 25 c 85 c 6.0 5.0 4.0 3.0 2.0 0.0 input voltage v in (v) output voltage v out (v) 0 0.3 1.2 1.5 0.6 0.9 1.0 5v pull up via 470k topt=-40 c 25 c 85 c
r3112x 15 r3112x27xa/c r3112x27xa 3.0 2.5 2.0 1.5 1.0 0.5 0.0 input voltage v in (v) output voltage v out (v) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 nch output type: v dd pull up topt=-40 c 25 c 85 c 6.0 5.0 4.0 3.0 2.0 1.0 0.0 input voltage v in (v) output voltage v out (v) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 5v pull up via 470k topt=-40 c 25 c 85 c r3112x45xa/c r3112x45xa 5.0 4.5 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0.0 input voltage v in (v) output voltage v out (v) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 nch output type: v dd pull up topt=-40 c 25 c 85 c 6.0 5.0 4.0 3.0 2.0 1.0 0.0 input voltage v in (v) output voltage v out (v) 0.0 0.5 1.0 2.0 3.5 4.0 5.0 2.5 3.0 1.5 4.5 5v pull up via 470k topt=-40 c 25 c 85 c 4) nch driver output current vs. v ds r3112x09xa/c r3112x13xa/c 1.2 1.0 0.6 0.4 0.2 0 v ds (v) output current i out (ma) 0 0.2 0.4 0.6 0.8 1 0.8 topt=25 c v dd =0.85 v 0.7v 2.5 2.0 1.5 1.0 0.5 0 v ds (v) output current i out (ma) 0 0.2 0.4 0.6 0.8 1 topt=25 c v dd =1.0 v 0.85v 0.7v
r3112x 16 r3112x27xa/c r3112x45xa/c 20 16 12 8 4 0 v ds (v) output current i out (ma) 0 0.5 1 1.5 2 2.5 topt=25 c v dd =2.5 v 1.0v 1.5v 2.0v 20 16 12 8 4 0 v ds (v) output current i out (ma) 0 0.5 1.5 3 3.5 4 2 1 2.5 topt=25 c v dd =2.5 v v dd =3.0 v v dd =4.0 v v dd =3.5 v 1.0v 1.5v 2.0v 5) nch driver output current vs. input voltage r3112x09xa/c r3112x13xa/c 2.0 1.5 1.0 0.5 0.0 input voltage v in (v) output current i out (ma) 0 0.2 0.4 0.6 0.8 1 topt=25 c -40 c 85 c 5 4 2 1 0 input voltage v in (v) output current i out (ma) 0 0.3 0.6 0.9 1.2 1.5 3 topt=-40 c 85 c 25 c r3112x27xa/c r3112x45xa/c 5 4 0 input voltage v in (v) output current i out (ma) 0 0.5 3 1 1.5 2 2.5 3 2 1 topt=-40 c 85 c 25 c 5 4 0 input voltage v in (v) output current i out (ma) 01 2345 3 2 1 topt=-40 c 85 c 25 c
r3112x 17 6) pch driver output current vs. input voltage r3112x09xc r3112x13xc 6 1 0 input voltage v in (v) output current i out (ma) 01 4 67 5 3 2 2 3 4 5 topt=25 c v ds =-2.1 v -0.5v -1.0v -1.5v 6 1 0 input voltage v in (v) output current i out (ma) 01 4 67 5 3 2 2 3 4 5 topt=25 c v ds =-2.1 v -0.5v -1.0v -1.5v r3112x27xc r3112x45xc 6 1 0 input voltage v in (v) output current i out (ma) 01 4 67 5 3 2 2 3 4 5 topt=25 c v ds =-2.1 v -0.5v -1.0v -1.5v 6 1 0 input voltage v in (v) output current i out (ma) 01 4 67 5 3 2 2 3 4 5 topt=25 c v ds =-2.1 v -0.5v -1.0v -1.5v 7) c d pin threshold voltage vs. temperature r3112x09xa/c r3112x13xa/c 0.8 0.3 0.2 temperature topt( c) c d pin threshold voltage v tcd (v) -50 -25 75 100 0 25 50 0.4 0.5 0.6 0.7 v dd =0.99v 1.0 0.5 0.4 temperature topt( c) c d pin threshold voltage v tcd (v) -50 -25 75 100 0 25 50 0.6 0.7 0.8 0.9 v dd =1.43v
r3112x 18 r3112x27xa/c r3112x45xa/c 1.9 1.4 1.3 temperature topt( c) c d pin threshold voltage v tcd (v) -50 -25 75 100 0 25 50 1.5 1.6 1.7 1.8 v dd =2.97v 2.9 2.4 2.3 temperature topt( c) c d pin threshold voltage v tcd (v) -50 -25 75 100 0 25 50 2.5 2.6 2.7 2.8 v dd =4.95v 8) c d pin output current vs. input voltage r3112x09xa/c r3112x13xa/c 1.0 0.8 0.4 0.2 0 input voltage v in (v) c d pin output current i cd (ma) 0 0.2 0.4 0.6 0.8 1 0.6 v ds =0.5v topt=-40 c 85 c 25 c 1.0 0.8 0.4 0.2 0 input voltage v in (v) c d pin output current i cd (ma) 0 0.3 0.6 0.9 1.2 1.5 0.6 v ds =0.5v topt=-40 c 85 c 25 c r3112x27xa/c r3112x45xa/c 1.0 0.8 0.4 0.2 0 input voltage v in (v) c d pin output current i cd (ma) 0 0.5 1 2.5 23 1.5 0.6 v ds =0.5v topt=-40 c 85 c 25 c 1.0 0.8 0.4 0.2 0 input voltage v in (v) c d pin output current i cd (ma) 012 4 35 0.6 v ds =0.5v topt=-40 c 85 c 25 c
r3112x 19 9) c d pin output current vs. v ds (topt = 25 c) r3112x09xa/c r3112x13xa/c 0.7 0.6 0.3 0.2 0.1 0 v ds (v) c d pin output current i cd (ma) 0 0.2 0.4 0.6 0.8 1 0.4 0.5 topt=25 c v dd =0.85 v 0.7v 1.0 0.7 0.3 0.2 0.1 0 v ds (v) c d pin output current i cd (ma) 0 0.2 0.4 0.6 0.8 1 0.6 0.8 0.9 0.4 0.5 topt=25 c v dd =1.0 v 0.85v 0.7v r3112x27xa/c r3112x45xa/c 3.0 2.0 1.0 0.5 0 v ds (v) c d pin output current i cd (ma) 0 0.5 1 1.5 2 2.5 2.5 1.5 topt=25 c v dd =2.5 v 1.0v 1.5v 2.0v 4.5 2.0 1.0 0.5 0 v ds (v) c d pin output current i cd (ma) 0 0.5 1.5 2.5 3.5 4 1 2 3 2.5 3.0 3.5 4.0 1.5 topt=25 c v dd =4.0 v 1.0v 2.0v 1.5v 2.5v 3.5v 3.0v 10) output delay time vs. external capacitance (topt = 25 c) r3112x09xa/c r3112x13xa/c 1000 0.01 external capacitance c d ( f) output deley time tx(ms) 0.0001 0.001 0.01 0.1 0.1 1 10 100 topt=25 c t phl t d 1000 0.01 external capacitance c d ( f) output delay tx(ms) 0.0001 0.001 0.01 0.1 0.1 1 10 100 topt=25 c t phl t d
r3112x 20 r3112x27xa/c r3112x45xa/c 1000 0.01 external capacitance c d ( f) output delay time tx(ms) 0.0001 0.001 0.01 0.1 0.1 1 10 100 topt=25 c t phl t d 1000 0.01 external capacitance c d ( f) output delay time tx(ms) 0.0001 0.001 0.01 0.1 0.1 1 10 100 topt=25 c t phl t d 11) delay circuit resistance vs. temperature r3112xxxxa/c 13 4 3 temperature topt( c) delay circuit resistance r d (m ) -50 -25 75 100 0 25 50 7 6 5 8 9 12 11 10
r3112x 21 technical notes v dd r v dd gnd out r3112x v dd r1 r2 v dd gnd out r3112x v dd r1 r2 v dd gnd out r3112x figure a figure b figure c when r3112xxxxa (nch open drain output type) is us ed in figure a or figure b, if impedance of voltage supply pin, v dd and v dd of this ic is large, detector threshold level would shift by voltage dropdown caused by the consumption current of the ic itself. released voltage may also shift and delay time for start-up might be generated by this usage. when r3112xxxxc (cmos output type) is used in figur e a or figure b, output level could be unstable by cross conduction current which is generated at detector thre shold level or at released voltage level, therefore, do not use r3112xxxxc with the connection in figure a or figure b. the connection in fi gure c may cause the oscillation in both r3112xxxxc (cmos output) and r3112xxxxa (nch open drain output), therefore do not use r311 2xxxxa/c series with the connection in figure c.
3*$0)$0.1"/: -5% &mfduspojd%fwjdft$pnqboz ?4ijo:plpibnbp$?df *oufsobujpobm4bmft
4ijo:plpibnb ,piplvlv :plpibnb$juz ,bobhbxb +bqbo 1ipof'by 3*$0)&6301& /&5)&3-"/%4
#7 ?4fnjdpoevdups4vqqpsu$fousf 1spg8),fftpnmbbo %-"ntufmwffo 5if/fuifsmboet 10#py "$"ntufmwffo 1ipof'by 3*$0)&-&$530/*$%&7*$&4,03&"$p -ue qpps )bftvohcvjmejoh %bfdijepoh (bohobnhv 4fpvm ,psfb 1ipof'by 3*$0)&-&$530/*$%&7*$&44)"/()"*$p -ue 3ppn /p#vjmejoh #j#p3pbe 1v%poh/fxejtusjdu 4ibohibj 1fpqmft3fqvcmjdpg$ijob 1ipof'by 3*$0)$0.1"/: -5% &mfduspojd%fwjdft$pnqboz ?5bjqfjp$?df 3ppn ' /p )fohzboh3e 5bjqfj$juz 5bjxbo 30$
1ipof'by iuuqxxxsjdpidpn-4* 5ifqspevdutboeuifqspevdutqfdjpdbujpoteftdsjcfejouijtepdvnfoubsftvckfduupdibohfps ejtdpoujovbujpopgqspevdujpoxjuipvuopujdfgpssfbtpot tvdibtjnqspwfnfou5ifsfgpsf cfgpsf efdjejohupvtfuifqspevdut qmfbtfsfgfsup3jdpitbmftsfqsf tfoubujwftgpsuifmbuftu jogpsnbujpouifsfpo 5ifnbufsjbmtjouijtepdvnfounbzopucfdpqjfepspuifsxjtfsfqspevdfejoxipmfpsjoqbsu xjuipvuqsjpsxsjuufodpotfoupg3jdpi 1mfbtfcftvsfupublfbozofdfttbszgpsnbmjujftvoefssfmfwboumbxtpssfhvmbujpotcfgpsf fyqpsujohpspuifsxjtfubljohpvupgzpvsdpvouszuifqspevdut psuifufdiojdbmjogpsnbujpo eftdsjcfeifsfjo 5ifufdiojdbmjogpsnbujpoeftdsjcfejouijtepdvnfoutipxtuzqjdbmdibsbdufsjtujdtpgboe fybnqmfbqqmjdbujpodjsdvjutgpsuifqspevdut5ifsfmfbtfpgt vdijogpsnbujpojtopuupcf dpotusvfebtbxbssbouzpgpsbhsboupgmjdfotfvoefs3jdpit psbozuijseqbsuztjoufmmfduvbm qspqfsuzsjhiutpsbozpuifssjhiut 5ifqspevdutmjtufejouijtepdvnfoubsfjoufoefeboeeftjhofe gpsvtfbthfofsbmfmfduspojd dpnqpofoutjotuboebsebqqmjdbujpot p$?dffrvjqnfou ufmfdpnnvo jdbujpofrvjqnfou nfbtvsjohjotusvnfout dpotvnfsfmfduspojdqspevdut bnvtfnfou frvjqnfoufud
5iptf dvtupnfstjoufoejohupvtf bqspevdujobobqqmjdbujposfrvjsjohfyusfnfrvbmjuzboesfmjb cjmjuz gpsfybnqmf jobijhimztqfdjpdbqqmjdbujpoxifsfuifgbjmvsf psnjtpqfsbujpopguifqspevdu dpvmesftvmujoivnbojokvszpsefbui bjsdsbgu tqbdfwfijdmf ovdmfbssfbdupsdpouspmtztufn usb$?ddpouspmtztufn bvupnpujwfboe usbotqpsubujpofrvjqnfou dpncvtujpofrvjqnfou tbgfuz efwjdft mjgftvqqpsutztufnfud
tipvmepstudpoubduvt 8fbsfnbljohpvsdpoujovpvtf$?psuupjnqspwfuifrvbmjuzboesfmjbcjmjuzpgpvsqspevdut cvu tfnjdpoevdupsqspevdutbsfmjlfmzupgbjmxjuidfsubjoqspcbcjm juz*opsefsupqsfwfoubozjokvszup qfstpotpsebnbhftupqspqfsuzsftvmujohgspntvdigbjmvsf dvt upnfsttipvmecfdbsfgvmfopvhi upjodpsqpsbuftbgfuznfbtvsftjouifjseftjho tvdibtsfevoeb odzgfbuvsf psfdpoubjonfou gfbuvsfboegbjmtbgfgfbuvsf8fepopubttvnfbozmjbcjmjuz pssftqpotjcjmjuzgpsbozmpttps ebnbhfbsjtjohgspnnjtvtfpsjobqqspqsjbufvtfpguifqspevdut "oujsbejbujpoeftjhojtopujnqmfnfoufejouifqspevduteftdsjcfejouijtepdvnfou 1mfbtfdpoubdu3jdpitbmftsfqsftfoubujwfttipvmezpvibwfboz rvftujpotpsdpnnfout dpodfsojohuifqspevdutpsuifufdiojdbmjogpsnbujpo 3*$0)$0.1"/: -5% &mfduspojd%fwjdft$pnqboz ricoh presented with the japan management quality award for 1999 . ricoh continually strives to promote customer satisfaction, and shares the achievements of its management quality improvement program with people and society. ricoh awarded iso 14001 certification. the ricoh group was awarded iso 14001 certification, which is an international standard for environmental management systems, at both its domestic and overseas production facilities. our current aim is to obtain iso 14001 certification for all of our business offices. ricoh completed the organization of the lead-free production for all of our products. after apr. 1, 2006, we will ship out the lead free products only. thus, all products that will be shipped from now on comply with rohs directive.

▲Up To Search▲

Price & Availability of R3112N111C-TR-FE

	To Download R3112N111C-TR-FE Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .