R3112x SERIES LOW VOLTAGE DETECTOR WITH OUTPUT DELAY NO. EA-087-090422 OUTLINE The R3112x Series are CMOS-based voltage detector ICs with high detector threshold accuracy and ultra-low supply current, which can be operated at an extremely low 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 adjustment. 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 Circuit............................................... Typ. 100ms with an external capacitor: 0.022F Supply Current ................................................................... Typ. 0.5A (R3112x271A/C, VDD=2.6V) Operating Voltage .............................................................. 0.7 to 6.0V(Topt=25C) Detector Threshold............................................................. 0.9V to 5.0V High Accuracy Detector Threshold .................................... 2.0% Low Temperature-Drift Coefficient of Detector Threshold ...Typ. 100ppm/C Two Output Types .............................................................. Nch Open Drain and CMOS Packages ........................................................................... SOT-23-5(Mini-mold),SC-82AB, SC-88A, SON1612-6 APPLICATIONS * * * * * * CPU and Logic Circuit Reset Battery Checker Window Comparator Wave Shaping Circuit Battery Back-up Circuit Power Failure Detector 1 R3112x BLOCK DIAGRAMS R3112xxx1A R3112xxx1C OUT VDD VDD RD RD + + - - OUT Vref Vref GND GND CD CD SELECTION GUIDE The package type, the detector threshold, the output type, and the taping type of R3112x Series can be designated at the users' request by specifying the part number as follows; R3112xxxxx-xx -x Part Number a bcd e f Code a b c d e 2 Contents Designation of Package Type; R3112Dxx1x: SON1612-6 R3112Nxx1x: SOT-23-5 R3112Qxx1x: SC-82AB R3112Qxx2x: SC-88A Setting Detector Threshold (-VDET); Stepwise setting with a step of 0.1V in the range of 0.9V to 5.0V is possible. Designation of Package Type 1: except SC-88A 2: SC-88A Designation of Output Type; A: Nch Open Drain C: CMOS Designation of Packing or Taping Type; Ex. SOT-23-5, SC-82AB, SC-88A, SON1612-6: TR is prescribed as standard directions. (Refer to Taping Specifications) Designation of Composition of pin plating; -F: Lead free plating (SOT-23-5, SC-82AB, SC-88A, SON1612-6) R3112x PIN CONFIGURATION SOT-23-5 5 SC-82AB 4 4 (mark side) 1 2 SC-88A 3 5 6 5 4 1 2 3 (mark side) (mark side) 3 1 SON1612-6 4 2 1 3 2 PIN DESCRIPTION * * *SC-82AB SOT-23-5 Pin No. Symbol Description Pin No. Symbol 1 OUT Output Pin (Output "L" at detector threshold, Output "H" at released voltage) 1 VDD 2 VDD Voltage Supply Pin 2 GND 3 GND Ground Pin 3 CD 4 NC No Connection 4 OUT 5 CD Pin for External Capacitor (for setting output delay) Description Voltage Supply Pin Ground Pin Pin for External Capacitor (for setting output delay) Output Pin (Output "L" at detector threshold, Output "H" at released voltage) *SON1612-6 SC-88A Pin No. Symbol 1 VDD 2 NC 3 GND 4 CD 5 OUT Description Pin No. Symbol Description Voltage Supply Pin 1 OUT Output Pin (Output "L" at detector threshold, Output "H" at released voltage) No Connection 2 GND Ground Pin Ground Pin 3 CD Pin for External Capacitor (for setting output delay) 4 NC No Connection 5 GND 6 VDD Pin for External Capacitor (for setting output delay) Output Pin (Output "L" at detector threshold, Output "H" at released voltage) Ground Pin Voltage Supply Pin 3 R3112x ABSOLUTE MAXIMUM RATINGS Symbol VDD Item Output Voltage (CMOS) VOUT2 Output Voltage (Nch) PD Unit 6.5 V VSS-0.3 to VDD+0.3 V VSS-0.3 to 6.5 20 420 380 380 500 V Supply Voltage VOUT1 IOUT Rating Output Current Power Dissipation (SOT-23-5)* Power Dissipation (SC-82AB)* Power Dissipation (SC-88A)* Power Dissipation (SON1612-6)* mA mW Topt Operating Temperature Range -40 to 85 C Tstg Storage Temperature Range -55 to 125 C Tsolder Lead temperature (Soldering) 260C, 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 safety for both device and system using the device in the field. The functional operation at or over these absolute maximum ratings is not assured. 4 R3112x ELECTRICAL CHARACTERISTICS * Topt=25C R3112x091A/C Symbol -VDET VHYS ISS VDDH VDDL IOUT VTCD Min. Typ. Max. Unit Detector Threshold Item 0.882 0.900 0.918 V Detector Threshold Hysteresis 0.027 0.045 0.063 V VDD=0.80V 0.6 2.0 VDD=1.90V 0.5 2.0 A Supply Current Conditions Maximum Operating Voltage Minimum Operating VoltageNote1 Output Current (Driver Output Pin) CD pin Threshold Voltage ICD CD pin Output Current RD Output Delay Resistance -VDET/ Topt Detector Threshold Temperature Coefficient 6.0 V Topt=25C 0.70 -40C < = Topt < = 85C Nch VDS=0.05V, VDD=0.70V VDS=0.50V, VDD=0.85V Pch VDS=-2.1V, VDD=4.5V 0.80 10 120 A 0.05 0.90 mA 1.0 3.5 mA VDD=0.99V 0.297 0.495 VDS=0.10V, VDD=0.70V 2 70 VDS=0.50V, VDD=0.85V 10 400 3.25 6.50 -40C < = Topt < = 85C 0.693 V V A 13.00 100 M ppm/ C 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 devices may receive serious damage when they continue to operate over the recommended operating conditions. 5 R3112x * Symbol -VDET VHYS ISS Item Min. Typ. Max. Unit Detector Threshold 2.646 2.700 2.754 V Detector Threshold Hysteresis 0.081 0.189 V A Supply Current VDDH Maximum Operating Voltage VDDL Minimum Operating VoltageNote1 IOUT VTCD 6 Topt=25C R3112x271A/C Output Current (Driver Output Pin) CD pin Threshold Voltage ICD CD pin Output Current RD Output Delay Resistance -VDET/ Topt Detector Threshold Temperature Coefficient Conditions VDD=2.60V 1.0 3.0 VDD=3.70V 0.5 2.5 6.0 Topt=25C 0.7 -40C < = Topt < = 85C Nch VDS=0.05V,VDD=0.70V 0.8 V V 10 120 A 1.0 3.0 mA 1.0 3.5 mA 0.891 1.485 VDS=0.1V,VDD=0.7V 2 70 VDS=0.5V,VDD=1.5V 200 500 3.25 6.50 VDS=0.50V,VDD=1.50V Pch VDS=-2.1V,VDD=4.5V VDD=2.97V -40C < = Topt < = 85C 100 2.079 V A 13.00 M ppm/ C R3112x * Topt=25C R3112x501A/C Symbol -VDET VHYS ISS Item Min. Typ. Max. Unit Detector Threshold 4.900 5.000 5.100 V Detector Threshold Hysteresis 0.150 0.250 0.350 V VDD=4.9V 1.5 3.0 VDD=6.0V 0.6 2.5 A Supply Current VDDH Maximum Operating Voltage VDDL Minimum Operating VoltageNote1 IOUT VTCD Output Current (Driver Output Pin) CD pin Threshold Voltage ICD CD pin Output Current RD Output Delay Resistance -VDET/ Topt Detector Threshold Temperature Coefficient Conditions 6.0 Topt=25C 0.7 -40C < = Topt < = 85C Nch VDS=0.05V,VDD=0.70V 0.8 V V 10 120 A 1.0 3.0 mA 1.5 4.5 mA 1.650 2.750 VDS=0.1V, VDD=0.7V 2 70 VDS=0.5V, VDD=1.5V 200 500 3.25 6.50 VDS=0.50V,VDD=1.50V Pch VDS=-2.1V,VDD=6.0V VDD=5.50V -40C < = Topt < = 85C 100 3.850 V A 13.00 M ppm/ C Note1: 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.) 7 R3112x ELECTRICAL CHARACTERISTICS BY DETECTOR THRESHOLD Product Code Detector Threshold Hysteresis Range -VDET[V] VHYS[V] Supply Current 1 Supply Current 2 Output Current 1 ISS1[A] ISS2[A] Output Current 2 IOUT1[mA] IOUT2[mA] CondiCondiCondiMin. Typ. Max. Min. Typ. Max. tions Typ. Max. tions Typ. Max. tions Min. Typ. Conditions Min. Typ. R3112x091A/C 0.882 0.900 0.918 0.027 0.045 0.063 0.6 2.0 VDS= 0.5V VDD= 0.85V R3112x101A/C 0.980 1.000 1.020 0.030 0.050 0.070 R3112x111A/C R3112x121A/C R3112x131A/C R3112x141A/C R3112x151A/C R3112x161A/C R3112x171A/C R3112x181A/C R3112x191A/C R3112x201A/C R3112x211A/C R3112x221A/C R3112x231A/C R3112x241A/C R3112x251A/C R3112x261A/C R3112x271A/C R3112x281A/C R3112x291A/C R3112x301A/C R3112x311A/C R3112x321A/C R3112x331A/C R3112x341A/C R3112x351A/C R3112x361A/C R3112x371A/C R3112x381A/C R3112x391A/C R3112x401A/C R3112x411A/C R3112x421A/C R3112x431A/C R3112x441A/C R3112x451A/C R3112x461A/C R3112x471A/C R3112x481A/C R3112x491A/C R3112x501A/C 8 1.078 1.176 1.274 1.372 1.470 1.568 1.666 1.764 1.862 1.960 2.058 2.156 2.254 2.352 2.450 2.548 2.646 2.744 2.842 2.940 3.038 3.136 3.234 3.332 3.430 3.528 3.626 3.724 3.822 3.920 4.018 4.116 4.214 4.312 4.410 4.508 4.606 4.704 4.802 4.900 1.100 1.200 1.300 1.400 1.500 1.600 1.700 1.800 1.900 2.000 2.100 2.200 2.300 2.400 2.500 2.600 2.700 2.800 2.900 3.000 3.100 3.200 3.300 3.400 3.500 3.600 3.700 3.800 3.900 4.000 4.100 4.200 4.300 4.400 4.500 4.600 4.700 4.800 4.900 5.000 1.122 1.224 1.326 1.428 1.530 1.632 1.734 1.836 1.938 2.040 2.142 2.244 2.346 2.448 2.550 2.652 2.754 2.856 2.958 3.060 3.162 3.264 3.366 3.468 3.570 3.672 3.774 3.876 3.978 4.080 4.182 4.284 4.386 4.488 4.590 4.692 4.794 4.896 4.998 5.100 0.033 0.036 0.039 0.042 0.045 0.048 0.051 0.054 0.057 0.060 0.063 0.066 0.069 0.072 0.075 0.078 0.081 0.084 0.087 0.090 0.093 0.096 0.099 0.102 0.105 0.108 0.111 0.114 0.117 0.120 0.123 0.126 0.129 0.132 0.135 0.138 0.141 0.144 0.147 0.150 0.055 0.060 0.065 0.070 0.075 0.080 0.085 0.090 0.095 0.100 0.105 0.110 0.115 0.120 0.125 0.130 0.135 0.140 0.145 0.150 0.155 0.160 0.165 0.170 0.175 0.180 0.185 0.190 0.195 0.200 0.205 0.210 0.215 0.220 0.225 0.230 0.235 0.240 0.245 0.250 0.077 0.084 0.091 0.098 0.105 0.112 0.119 0.126 0.133 0.140 0.147 0.154 0.161 0.168 0.175 0.182 0.189 VDD= 0.196 -VDET 0.203 -0.1V 0.210 0.217 0.224 0.231 0.238 0.245 0.252 0.259 0.266 0.273 0.280 0.287 0.294 0.301 0.308 0.315 0.322 0.329 0.336 0.343 0.350 0.5 0.7 2.5 1.0 3.0 0.5 2.0 0.05 0.9 0.2 1.8 1.0 3.0 2.5 VDS= 0.05V 0.01 VDD= 0.7V VDD= -VDET +0.1V 0.12 Nch VDS= 0.5V VDD= 1.5V 1.2 3.0 0.6 2.5 1.5 3.0 0.6 2.5 R3112x Output Current 3 Minimum Operating Voltage CD pin Threshold Voltage CD pin Output Current 1 CD pin Output Current 2 Resistance for Output Delay Detector Threshold Temperature -VDET/ Topt [ppm/C] CondiCondiCondiCondiCondiCondiCondition Min. Typ. tion Max. tion Max. tion Min. Typ. Max. tion Min. Typ. tion Min. Typ. Min. Typ. Max. tion Typ. VDS= 0.297 0.495 0.693 0.5V 10 400 VDD= 0.330 0.550 0.770 IOUT3[mA] VDDL[V] VTCD[V] ICD1[A] ICD2[A] RD[M] 0.85V VDS= -21V VDD= 4.5V 1.5 3.5 Topt= 25C Pch VDS= -2.1V 2.0 VDD= 6.0V 4.5 -40C < = 0.7 Topt 0.8 < = 85C 0.363 0.396 0.429 0.462 0.495 0.528 0.561 0.594 0.627 0.660 0.693 0.726 0.759 0.792 0.825 0.858 0.891 VDD= 0.924 (VDET) 0.957 x1.1V 0.990 1.023 1.056 1.089 1.122 1.155 1.188 1.221 1.254 1.287 1.320 1.353 1.386 1.419 1.452 1.485 1.518 1.551 1.584 1.617 1.650 0.605 0.660 0.715 0.770 0.825 0.880 0.935 0.990 1.045 1.100 1.155 1.210 1.265 1.320 1.375 1.430 1.485 1.540 1.595 1.650 1.705 1.760 1.815 1.870 1.925 1.980 2.035 2.090 2.145 2.200 2.255 2.310 2.365 2.420 2.475 2.530 2.585 2.640 2.695 2.750 0.847 0.924 1.001 1.078 1.155 1.232 1.309 1.386 1.463 1.540 1.617 1.694 1.771 1.848 1.925 2.002 2.079 2.156 2.233 2.310 2.387 2.464 2.541 2.618 2.695 2.772 2.849 2.926 3.003 3.080 3.157 3.234 3.311 3.388 3.465 3.542 3.619 3.696 3.773 3.850 VDS= 0.5V VDD= 50 450 0.85V VDS= 0.1V VDD= 0.7V 20 3.25 6.5 70 VDS= 0.5V VDD= 1.5V -40C < = 13.0 Topt 100 < = 85C 200 500 9 R3112x OPERATION VDD Ra RD Comparator - Pch Schmitt Trigger + Current Source OUT Tr.2 Rb Tr.1 Vref Nch Rc GND Output Capacitor CD Fig. 1 Block Diagram with an external capacitor 1 2 Released Voltage +VDET Detector Threshold -VDET Supply Voltage(VDD) A 3 4 HYSTERESIS RANGE 5 B Operation Status 1 2 3 4 5 Compartor(-) Pin Input Voltage I II II II I Compartor Output L H Indefinite H L OFF ON Indefinite ON OFF Tr.1, 2 Minimum Operating VDDL Voltge GND Output Tr. Nch OFF ON Indefinite ON OFF Pch ON OFF Indefinite OFF ON Delay Time Output Voltage(OUT) GND I Rb+Rc Ra+Rb+Rc VDD II Rb Ra+Rb VDD 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 > = VDDx(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 operating voltage, the operation of output transistor is indefinite. In the case of Nch open drain type, 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 < = VDDxRb/(Ra+Rb) is true, then output of the comparator reaches the threshold level, and Output of Shmitt Trigger is reversed from "H" to "L", then output voltage is equal to supply voltage. (As for Nch open drain type, equal to pull-up voltage.) ) The difference between released voltage and detector threshold voltage means hysteresis range voltage. 10 R3112x * Operation of Output Delay Released Voltage (+VDET) Supply Voltage CD Pin Threshold Voltage (VTCD) Capacitor Voltage GND Output Voltage GND Output Delay Time(tD) When the supply voltage which is higher than released voltage is forced to VDD pin, charge to an external capacitor starts, then capacitor voltage increases. Until the capacitor voltage reaches to CD Pin threshold voltage, output voltage maintains "L". When the capacitor voltage becomes higher than CD pin threshold voltage, output voltage is reversed from "L" to "H". Where, the time interval between the rising edge of supply voltage and output voltage reverse point means output delay time. * Output Delay Time Output Delay Time (tD) can be calculated with the next formula. tD=0.69xRDxCD(s) RD is internal resistor and set at 6.5M(Typ.) typically. CD(F) describes the capacitance value of an external capacitor. Therefore, tD=0.69x6.5x106xCD(s) 11 R3112x TEST CIRCUITS Pull-up circuit is not necessary for CMOS Output type, or R3112xxxxC. ISS +5V or VDD VDD VDD R3112x VIN VIN 470k R3112x OUT GND GND Supply Current Test Circuit Detector Threshold Test Circuit VDD VDD IOUT IOUT R3112x VIN R3112x VIN OUT OUT VDS GND Nch Driver Output Current Test Circuit GND VDD+VDS Pch Driver Output Current Test Circuit Apply only to CMOS +5V or VDD VDD CD VIN R3112x VDS VDD 470k OUT ICD VIN CD R3112x VDS GND GND CD Pin Threshold Test Circuit CD Pin Output Current Test Circuit +VDET+2.0 or 0.6V Input Voltage 0.7V GND +5V VDD 100% CD VIN Output Voltage 50% R3112x CD GND GND Output Delay Time Test Circuit 12 470k OUT R3112x TYPICAL CHARACTERISTICS 1) Supply Current vs. Input Voltage R3112x091x R3112x131x 1.5 Supply Current Iss(A) Supply Current Iss(A) 1.5 1.2 Topt=85C 25C 0.9 0.6 -40C 0.3 0 1.2 Topt=85C 0.9 25C 0.6 -40C 0.3 0 0 1 2 3 4 5 6 7 0 1 Input Voltage VIN(V) 3 4 5 6 7 Input Voltage VIN(V) R3112x271x R3112x451x 2.0 Supply Current Iss(A) 1.5 Supply Current Iss(A) 2 1.2 0.9 25C Topt=85C 0.6 0.3 -40C 1.6 1.2 25C Topt=85C 0.8 0.4 -40C 0 0 0 1 2 3 4 5 6 7 0 Input Voltage VIN(V) 1 2 3 4 5 6 7 Input Voltage VIN(V) 2) Detector Threshold vs. Temperature R3112x131x 0.96 +VDET 0.94 0.92 -VDET 0.90 0.88 0.86 -50 -25 0 25 50 Temperature Topt(C) 75 100 Detector Threshold/Released Voltage VDET(V) Detector Threshold/Released Voltage VDET(V) R3112x091x 0.98 1.42 1.40 1.38 +VDET 1.36 1.34 1.32 -VDET 1.30 1.28 1.26 -50 -25 0 25 50 75 100 Temperature Topt(C) 13 R3112x R3112x451x +VDET 2.85 2.80 2.75 -VDET 2.70 2.65 2.60 -50 -25 0 25 50 75 100 Detector Threshold/Released Voltage VDET(V) Detector Threshold/Released Voltage VDET(V) R3112x271x 2.90 4.75 +VDET 4.70 4.65 4.60 4.55 -VDET 4.50 4.45 4.40 4.35 -50 -25 Temperature Topt(C) 0 25 50 75 100 Temperature Topt(C) 3) Output Voltage vs. Input Voltage R3112x091x 0.8 0.6 Topt=-40C 0.4 25C 85C 0.2 0.0 0.2 25C 4.0 85C 3.0 2.0 1.0 0.4 0.6 0.8 1 0 0.4 0.6 Input Voltage VIN(V) R3112x131x R3112x131A Nch Output Type: VDD pull up 0.9 Topt=-40C 25C 0.3 85C 0 0.8 1 5V pull up via 470k 6.0 Output Voltage VOUT(V) 1.2 0.6 0.2 Input Voltage VIN(V) 1.5 Output Voltage VOUT(V) Topt=-40C 5.0 0.0 0 Topt=-40C 5.0 25C 4.0 85C 3.0 2.0 1.0 0.0 0 0.3 0.6 0.9 Input Voltage VIN(V) 14 5V pull up via 470k 6.0 Output Voltage VOUT(V) 1.0 Output Voltage VOUT(V) R3112x091A Nch Output Type: VDD pull up 1.2 1.5 0 0.3 0.6 0.9 Input Voltage VIN(V) 1.2 1.5 R3112x R3112x271x 2.5 2.0 1.5 Topt=-40C 1.0 25C 0.5 0.0 0.0 85C 0.5 1.0 1.5 2.0 2.5 5V pull up via 470k 6.0 Output Voltage VOUT(V) 3.0 Output Voltage VOUT(V) R3112x271A Nch Output Type: VDD pull up Topt=-40C 5.0 25C 4.0 85C 3.0 2.0 1.0 0.0 0.0 3.0 1.0 1.5 2.0 2.5 Input Voltage VIN(V) Input Voltage VIN(V) R3112x451x R3112x451A Nch Output Type: VDD pull up 5.0 Output Voltage VOUT(V) 4.0 3.5 3.0 2.5 2.0 1.5 Topt=-40C 1.0 0.5 25C 3.0 5V pull up via 470k 6.0 4.5 Output Voltage VOUT(V) 0.5 Topt=-40C 5.0 25C 4.0 85C 3.0 2.0 1.0 85C 0.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Input Voltage VIN(V) Input Voltage VIN(V) 4) Nch Driver Output Current vs. VDS R3112x091x 1.2 VDD=0.85V 1.0 0.8 0.6 0.7V 0.4 0.2 0 Topt=25C 2.5 Output Current IOUT(mA) Output Current IOUT(mA) R3112x131x Topt=25C VDD=1.0V 2.0 1.5 0.85V 1.0 0.5 0.7V 0 0 0.2 0.4 0.6 VDS(V) 0.8 1 0 0.2 0.4 0.6 0.8 1 VDS(V) 15 R3112x R3112x271x R3112x451x Topt=25C VDD=2.5V 16 2.0V 12 8 1.5V 4 1.0V Topt=25C 20 Output Current IOUT(mA) Output Current IOUT(mA) 20 0 VDD=4.0V VDD=3.5V 16 VDD=3.0V VDD=2.5V 2.0V 12 8 1.5V 4 1.0V 0 0 0.5 1 1.5 2 2.5 0 0.5 1 VDS(V) 1.5 2 2.5 3 3.5 4 VDS(V) 5) Nch Driver Output Current vs. Input Voltage R3112x091x R3112x131x 5 Output Current IOUT(mA) Output Current IOUT(mA) 2.0 1.5 1.0 Topt=25C 0.5 85C -40C 0.0 4 Topt=-40C 3 25C 2 85C 1 0 0 0.2 0.4 0.6 0.8 1 0 0.3 Input Voltage VIN(V) R3112x271x 1.2 1.5 R3112x451x 5 Topt=-40C 4 Output Current IOUT(mA) Output Current IOUT(mA) 0.9 Input Voltage VIN(V) 5 25C 3 85C 2 1 0 Topt=-40C 25C 4 85C 3 2 1 0 0 0.5 1 1.5 2 Input Voltage VIN(V) 16 0.6 2.5 3 0 1 2 3 Input Voltage VIN(V) 4 5 R3112x 6) Pch Driver Output Current vs. Input Voltage R3112x091C R3112x131C Topt=25C VDS=-2.1V 5 4 3 -1.5V 2 -1.0V 1 -0.5V 0 VDS=-2.1V 5 4 3 -1.5V 2 -1.0V 1 -0.5V 0 0 1 2 3 4 5 6 7 0 1 2 3 4 5 Input Voltage VIN(V) Input Voltage VIN(V) R3112x271C R3112x451C Topt=25C VDS=-2.1V 5 4 3 -1.5V 2 -1.0V 1 -0.5V 0 6 7 Topt=25C 6 Output Current IOUT(mA) 6 Output Current IOUT(mA) Topt=25C 6 Output Current IOUT(mA) Output Current IOUT(mA) 6 VDS=-2.1V 5 4 3 -1.5V 2 -1.0V 1 -0.5V 0 0 1 2 3 4 5 6 7 0 1 2 Input Voltage VIN(V) 3 4 5 6 7 Input Voltage VIN(V) 7) CD Pin Threshold Voltage vs. Temperature R3112x131x VDD=0.99V 0.8 0.7 0.6 0.5 0.4 0.3 0.2 -50 -25 0 25 50 Temperature Topt(C) 75 100 CD Pin Threshold Voltage VTCD(V) CD Pin Threshold Voltage VTCD(V) R3112x091x VDD=1.43V 1.0 0.9 0.8 0.7 0.6 0.5 0.4 -50 -25 0 25 50 75 100 Temperature Topt(C) 17 R3112x R3112x451x VDD=2.97V 1.9 1.8 1.7 1.6 1.5 1.4 1.3 -50 -25 0 25 50 75 100 VDD=4.95V 2.9 CD Pin Threshold Voltage VTCD(V) CD Pin Threshold Voltage VTCD(V) R3112x271x 2.8 2.7 2.6 2.5 2.4 2.3 -50 Temperature Topt(C) -25 0 25 50 75 100 Temperature Topt(C) 8) CD Pin Output Current vs. Input Voltage R3112x131x VDS=0.5V 1.0 CD Pin Output Current ICD(mA) CD Pin Output Current ICD(mA) R3112x091x 0.8 Topt=-40C 0.6 25C 0.4 85C 0.2 0 0 0.2 0.4 0.6 0.8 VDS=0.5V 1.0 0.8 Topt=-40C 0.6 25C 0.4 85C 0.2 1 0 0 0.3 Input Voltage VIN(V) Topt=-40C 0.6 25C 0.4 85C 0.2 0 1 1.5 2 Input Voltage VIN(V) 18 CD Pin Output Current ICD(mA) CD Pin Output Current ICD(mA) 1.0 0.5 1.2 1.5 R3112x451x VDS=0.5V 0 0.9 Input Voltage VIN(V) R3112x271x 0.8 0.6 2.5 3 VDS=0.5V 1.0 0.8 Topt=-40C 0.6 25C 0.4 85C 0.2 0 0 1 2 3 Input Voltage VIN(V) 4 5 R3112x R3112x131x Topt=25C 0.7 CD Pin Output Current ICD(mA) CD Pin Output Current ICD(mA) 9) CD Pin Output Current vs. VDS (Topt=25C) R3112x091x VDD=0.85V 0.6 0.5 0.4 0.3 0.7V 0.2 0.1 0 0 0.2 0.4 0.6 0.8 Topt=25C 1.0 VDD=1.0V 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 1 0.85V 0.7V 0 0.2 0.4 VDS(V) 3.0 VDD=2.5V 2.5 2.0 2.0V 1.5 1.5V 1.0 1.0V 0 0 0.5 1 0.8 1 R3112x451x Topt=25C 1.5 2 CD Pin Output Current ICD(mA) CD Pin Output Current ICD(mA) R3112x271x 0.5 0.6 VDS(V) Topt=25C 4.5 VDD=4.0V 4.0 3.5 3.5V 3.0 3.0V 2.5 2.5V 2.0 2.0V 1.5 1.5V 1.0 0.5 1.0V 0 2.5 0 0.5 VDS(V) 1 1.5 2 2.5 3 3.5 4 VDS(V) 10) Output Delay Time vs. External Capacitance (Topt=25C) R3112x091x R3112x131x Topt=25C 100 tD 10 1 0.1 Topt=25C 1000 Output Delay tx(ms) Output Deley Time tx(ms) 1000 100 tD 10 1 0.1 tPHL 0.01 0.0001 0.001 0.01 External Capacitance CD(F) tPHL 0.1 0.01 0.0001 0.001 0.01 0.1 External Capacitance CD(F) 19 R3112x R3112x271x R3112x451x Topt=25C 100 tD 10 1 0.1 tPHL 0.01 0.0001 0.001 0.01 0.1 External Capacitance CD(F) Delay Circuit Resistance RD(M) R3112xxx1x 13 12 11 10 9 8 7 6 5 4 -25 0 25 50 Temperature Topt(C) 20 75 100 tD 10 1 0.1 0.01 0.0001 tPHL 0.001 0.01 External Capacitance CD(F) 11) Delay Circuit Resistance vs. Temperature 3 -50 Topt=25C 1000 Output Delay Time tx(ms) Output Delay Time tx(ms) 1000 100 0.1 R3112x TECHNICAL NOTES VDD VDD R R1 VDD VDD R3112x VDD R1 R2 OUT GND Figure A R3112x GND Figure B VDD OUT R2 R3112x OUT GND Figure C When R3112xxx1A (Nch open drain output type) is used in Figure A or Figure B, if impedance of voltage supply pIn, VDD and VDD 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 R3112xxx1C (CMOS output type) is used in Figure A or Figure B, Output level could be unstable by cross conduction current which is generated at detector threshold level or at released voltage level, therefore, do not use R3112xxx1C with the connection in Figure A or Figure B. The connection in Figure C may cause the oscillation in both R3112xxx1C (CMOS Output) and R3112xxx1A (Nch Open Drain Output), therefore do not use R3112xxx1x Series with the connection in Figure C. 21