RN5VS37AC

LOW VOL TAGE DETECTOR RN5VS SERIES APPLICATION MANUAL ELECTRONIC DEVICES DIVISION NO.EA-037-9701 NOTICE 1. The products and the product specifications described in this application manual are subject to change or discontinuation of production without notice for reasons such as improvement. Therefore, before deciding to use the products, please refer to Ricoh sales representatives for the latest information thereon. 2. This application manual may not be copied or otherwise reproduced in whole or in part without prior written consent of Ricoh. 3. Please be sure to take any necessary formalities under relevant laws or regulations before exporting or otherwise taking out of your country the products or the technical information described herein. 4. The technical information described in this application manual shows typical characteristics of and example application circuits for the products. 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We are making our continuous effort to improve the quality and reliability of our products, but semiconductor products are likely to fail with certain probability. In order prevent any injury to persons or damages to property resulting from such failure, customers should be careful enough to incorporate safety measures in their design, such as redundancy feature, fire-containment feature and fail-safe feature. We do not assume any liability or responsibility for any loss or damage arising from misuse or inappropriate use of the products. 7. Anti-radiation design is not implemented in the products described in this application manual. 8. Please contact Ricoh sales representatives should you have any questions or comments concerning the products or the technical information. June 1995 RN5VS SERIES APPLICATION MANUAL CONTENTS OUTLINE ......................................................................................................1 FEATURES....................................................................................................1 APPLICATIONS .............................................................................................1 BLOCK DIAGRAMS .......................................................................................2 TIME CHART .................................................................................................2 DEFINITION OF OUTPUT DELAY TIME tplh ....................................................2 SELECTION GUIDE .......................................................................................4 PIN CONFIGURATION ...................................................................................5 PIN DESCRIPTION ........................................................................................5 ABSOLUTE MAXIMUM RATINGS ...................................................................6 ELECTRICAL CHARACTERISTICS.................................................................7 ELECTRICAL CHARACTERITICS BY DETECTOR THRESHOLD ....................10 OPERATION ................................................................................................14 TEST CIRCUITS ...........................................................................................15 TYPICAL CHARACTERISTICS......................................................................16 1) Supply Current vs. Input Voltage ...........................................................................16 2) Detector Threshold vs. Temperature .......................................................................16 3) Output Voltage vs. Input Voltage ...........................................................................17 4) Nch Driver Output Current vs. VDS .........................................................................18 5) Nch Driver Output Current vs. Input Voltage................................................................19 6) Pch Driver Output Current vs. Input Voltage ................................................................20 7) Output Delay Time vs. Load Capacitance ..................................................................20 8) Output Delay Time vs. Input Pin Capacitance ..............................................................21 TYPICAL APPLICATIONS ............................................................................22 • RN5VS××A CPU Reset Circuit(Nch Open Drain Output) ....................................................22 • RN5VS××C CPU Reset Circuit(CMOS Output) .............................................................22 • RN5VS××A Output delay Time Circuit 1.....................................................................22 • RN5VS××A Output delay Time Circuit 2.....................................................................22 • Memory Back-up Circuit .....................................................................................22 • Voltage Level Indicator Circuit (lighted when the power runs out) ............................................23 • Detector Threshold Changing Circuit ........................................................................23 • Window Comparator Circuit .................................................................................23 • Excessive Charge Preventing Circuit ........................................................................23 PACKAGE DIMENSIONS ..............................................................................25 TAPING SPECIFICATIONS ...........................................................................25 LOW VOLTAGE DETECTOR R N 5VS SERIES OUTLINE The RN5VS Series are voltage detector ICs with high detector threshold accuracy and ultra-low supply current by CMOS process, which can be operated at an extremely low voltage and is used, for instance, for system reset. Each of these ICs consists of a voltage reference unit, a comparator, resistors for voltage detection, an output driver and a hysteresis circuit. The detector threshold is fixed with high accuracy. The RN5VS Series are operable by a lower voltage than that for the R× 5VL Series, and can be driven by a single battery. Two output types, Nch open drain type and CMOS type, are available. Since the package for these ICs are SOT-23-5 (Mini-mold) package, high density mounting of the ICs on board is possible. FEATURES • Ultra-low Supply Current ............................TYP. 0.8µA (VDD=1.5V) • Broad Operating Voltage Range .................. 0.7V to 10.0V (Topt =25˚C) • Detector Threshold ........................................Stepwise setting with a step of 0.1V in the range of 0.9V to 6.0V is possible (refer to Selection Guide). • High Accuracy Detector Threshold ..............±3.0% • Low Temperature-Drift Coefficien of Detector Threshold ..............TYP. ±100ppm/˚C • Two Output Types .........................................Nch Open Drain and CMOS • Packages.........................................................SOT-23-5 (Mini-mold) APPLICATIONS • CPU & Logic Circuit Reset • Battery Checker • Window Comparator • Wave Shaping Circuit • Battery Back-Up Circuit • Power Failure Detector R N5VS BLOCK DIAGRAMS • Nch Open Drain Output (RN5VS×× A) • CMOS Output (RN5VS×× C) VDD 2 OUT 1 + – Vref 3 GND VDD 2 + – Vref 3 1 OUT GND TIME CHART Released Voltage Detected Voltage +VDET –VDET Detector Threshold Hysteresis Supply Voltage (VDD) Minimum Operating Voltage GND Output Voltage (OUT) GND tPLH DEFINITION OF OUTPUT DELAY TIME tplh +VDET + 2.0V Input Voltage (VDD) 0.7V GND 5.0V Output Voltage 2.5V Output Voltage +VDET + 2.0V 2 GND tPHL tPLH tPHL tPLH Input Voltage (VDD) 0.7V GND +VDET +2.0V +VDET + 2.0V GND Nch Open Drain Output CMOS Output RN5VS Output Delay Time tPLH is defined as follows: 1. In the case of Nch Open Drain Output: When the time at which a pulse voltage which increases from 0.7V to +VDET+2.0V is applied to VDD is Time A, and the time at which the output voltage reaches 2.5V under the conditions that the output pin (OUT) is pulled up to 5V by a resistor of 470kΩ is Time B, the time period from Time A through Time B. 2. In the case of CMOS Output: When the time at which a pulse voltage which increases from 0.7V to +VDET+2.0V is applied to VDD is Time A, and the time at which the output voltage reaches the voltage of (+VDET+2.0V)/2 is Time B, the time period from Time A through Time B. R N5VS SELECTION GUIDE The detector threshold, the output type, the packing type, and the taping type of RN5VS series can be designating at the user's request by specifying the part number as follows: RN5VS×× × × – × → Part Number } ↑ ↑↑ ↑ a bc d Code Contents a Setting Detector Threshold (–VDET): Stepwise setting with a step of 0.1V in the range of 0.9V to 6.0V is possible. Designation of Output Type: A: Nch Open Drain C: CMOS Designation of Packing Type: A: Taping C: Antistatic bag for samples Designation of Taping Type: Ex. TR, TL (refer to Taping Specifications, the standard direction is TR.) b c d For example, the product with Detector Threshold 3.5V, Output Type Nch Open Drain and Taping Type TR, is designated by Part Number RN5VS35AA-TR. RN5VS PIN CONFIGURATION • SOT-23-5 5 4 (mark side) 1 2 3 PIN DESCRIPTION • SOT-23-5 Pin No. Symbol 1 2 3 4 5 OUT VDD GND NC NC RN5VS ABSOLUTE MAXIMUM RATINGS Symbol Item Rating Topt=25˚C Unit V V VDD VOUT Supply Voltage CMOS Output Voltage Nch +12 VSS–0.3 to VDD+0.3 VSS–0.3 to +12 70 150 –40 to +85 –55 to +125 260˚C,10s IOUT PD Topt Tstg Tsolder Output Current Power Dissipation Operating Temperature Range Storage Temperature Range Lead Temperature (Soldering) mA mW ˚C ˚C ABSOLUTE MAXIMUM RATINGS Absolute Maximum ratings are threshold limit values that must not be exceeded even for an instant under any conditions. Moreover, such values for any two items must not be reached simultaneously. Operation above these absolute maximum ratings may cause degradation or permanent damage to the device. These are stress ratings only and do not necessarily imply functional operation below these limits. RN5VS ELECTRICAL CHARACTERISTICS • R N5VS09A/C Symbol Item Conditions MIN. TYP. MAX. Unit Topt=25˚C Note –VDET VHYS ISS VDDH VDDL Detector Threshold Detector Threshold Hysteresis Supply Current Maximum Operating Voltage Topt=25˚C Minimum Operating Voltage – 40˚C≤Topt≤85˚C Nch VDS=0.05V,VDD=0.70V VDS=0.50V,VDD=0.85V Pch VDS=–2.1V,VDD=4.5V VDD=0.80V VDD=2.90V 0.873 0.018 0.900 0.045 0.8 0.9 0.927 0.072 2.4 2.7 10 V V µA V V Note 1 0.55 0.65 0.01 0.05 1.0 0.05 0.50 2.0 0.70 0.80 mA mA 100 µs ppm/˚C Note 2 IOUT Output Current tPLH ∆– VDET ∆Topt Output Delay Time Detector Threshold Temperature Coefficient –40˚C≤Topt≤85˚C ±100 • R N5VS18A/C Symbol Item Conditions MIN. TYP. MAX. Unit Topt=25˚C Note –VDET VHYS ISS VDDH VDDL Detector Threshold Detector Threshold Hysteresis Supply Current Maximum Operating Voltage Topt=25˚C Minimum Operating Voltage –40˚C≤Topt≤85˚C Nch VDS=0.05V,VDD=0.70V VDS=0.50V,VDD=1.50V Pch VDS=–2.1V,VDD=4.5V VDD=1.70V VDD=3.80V 1.746 0.036 1.800 0.090 0.8 1.0 1.854 0.144 2.4 3.0 10 V V µA V V Note 1 0.55 0.65 0.01 1.00 1.0 0.05 2.00 2.0 0.70 0.80 mA mA 100 µs ppm/˚C Note 2 IOUT Output Current tPLH ∆– VDET ∆Topt Output Delay Time Detector Threshold Temperature Coefficient –40˚C≤Topt≤85˚C ±100 R N5VS • R N5VS27A/C Symbol Item Conditions MIN. TYP. MAX. Unit Topt=25˚C Note –VDET VHYS ISS VDDH VDDL Detector Threshold Detector Threshold Hysteresis Supply Current Maximum Operating Voltage Topt=25˚C Minimum Operating Voltage –40˚C≤Topt≤85˚C Nch VDS=0.05V,VDD=0.70V VDS=0.50V,VDD=1.50V Pch VDS=–2.1V,VDD=4.5V VDD=2.60V VDD=4.70V 2.619 0.054 2.700 0.135 0.9 1.1 2.781 0.216 2.7 3.3 10 V V µA V V Note 1 0.55 0.65 0.01 1.00 1.0 0.05 2.00 2.0 0.70 0.80 mA mA 100 µs ppm/˚C Note 2 IOUT Output Current tPLH ∆– VDET ∆Topt Output Delay Time Detector Threshold Temperature Coefficient –40˚C≤Topt≤85˚C ±100 • R N5VS36A/C Symbol Item Conditions MIN. TYP. MAX. Unit Topt=25˚C Note –VDET VHYS ISS VDDH VDDL Detector Threshold Detector Threshold Hysteresis Supply Current Maximum Operating Voltage Topt=25˚C Minimum Operating Voltage –40˚C≤Topt≤85˚C Nch VDS=0.05V,VDD=0.70V VDS=0.50V,VDD=1.50V Pch VDS=–2.1V,VDD=4.5V VDD=3.47V VDD=5.60V 3.492 0.072 3.600 0.180 1.0 1.2 3.708 0.288 3.0 3.6 10 V V µA V V Note 1 0.55 0.65 0.01 1.00 1.0 0.05 2.00 2.0 0.70 0.80 mA mA 100 µs ppm/˚C Note 2 IOUT Output Current tPLH ∆– VDET ∆Topt Output Delay Time Detector Threshold Temperature Coefficient –40˚C≤Topt≤85˚C ±100 RN5VS • R N5VS45A/C Symbol Item Conditions MIN. TYP. MAX. Unit Topt=25˚C Note –VDET VHYS ISS VDDH VDDL Detector Threshold Detector Threshold Hysteresis Supply Current Maximum Operating Voltage Topt=25˚C Minimum Operating Voltage – 40˚C≤Topt≤85˚C Nch VDS=0.05V,VDD=0.70V VDS=0.50V,VDD=1.50V Pch VDS=–2.1V,VDD=8.0V VDD=4.34V VDD=6.50V 4.365 0.090 4.500 0.225 1.1 1.3 4.635 0.360 3.3 3.9 10 V V µA V V Note 1 0.55 0.65 0.01 1.00 1.5 0.05 2.00 3.0 0.70 0.80 mA mA 100 µs ppm/˚C Note 2 IOUT Output Current tPLH ∆–VDET ∆Topt Output Delay Time Detector Threshold Temperature Coefficient –40˚C≤Topt≤85˚C ±100 • R N5VS54A/C Symbol Item Conditions MIN. TYP. MAX. Unit Topt=25˚C Note –VDET VHYS ISS VDDH VDDL Detector Threshold Detector Threshold Hysteresis Supply Current Maximum Operating Voltage Topt=25˚C Minimum Operating Voltage –40˚C≤Topt≤85˚C Nch VDS=0.05V,VDD=0.70V VDS=0.50V,VDD=1.50V Pch VDS=–2.1V,VDD=8.0V VDD=5.20V VDD=7.40V 5.238 0.108 5.400 0.270 1.2 1.4 5.562 0.432 3.6 4.2 10 V V µA V V Note 1 0.55 0.65 0.01 1.00 1.5 0.05 2.00 3.0 0.70 0.80 mA mA 100 µs ppm/˚C Note 2 IOUT Output Current tPLH ∆–VDET ∆ Topt (Note 1) (Note 2) Output Delay Time Detector Threshold Temperature Coefficient –40˚C≤Topt≤85˚C ±100 Minimum Operating Voltage means the value of input voltage when output voltage maintains 0.1V or less, provided that in the case of Nch Open Drain Type Products, the pull-up resistance is set at 470kΩ, and the pull-up voltage is set at 5.0V. Refer to the previously defined “Output Delay Time tPLH”. R N5VS ELECTRICAL CHARACTEISTICS BY DETECTOR THRESHOLD • R N5VS09A/C to RN5VS39A/C Detector Threshold Part Number MIN. Detector Threshold Hysteresis Vhys(V) Supply Current 1 Iss(µA) Supply Current 2 Iss(µA) –Vdet(V) TYP. MAX. MIN. TYP. MAX. Conditions TYP. MAX. Conditions TYP. MAX. RN5VS09A/C RN5VS10A/C RN5VS11A/C RN5VS12A/C RN5VS13A/C RN5VS14A/C RN5VS15A/C RN5VS16A/C RN5VS17A/C RN5VS18A/C RN5VS19A/C RN5VS20A/C RN5VS21A/C RN5VS22A/C RN5VS23A/C RN5VS24A/C RN5VS25A/C RN5VS26A/C RN5VS27A/C RN5VS28A/C RN5VS29A/C RN5VS30A/C RN5VS31A/C RN5VS32A/C RN5VS33A/C RN5VS34A/C RN5VS35A/C RN5VS36A/C RN5VS37A/C RN5VS38A/C RN5VS39A/C 0.873 0.970 1.067 1.164 1.261 1.358 1.455 1.552 1.649 1.746 1.843 1.940 2.037 2.134 2.231 2.328 2.425 2.522 2.619 2.716 2.813 2.910 3.007 3.104 3.201 3.298 3.395 3.492 3.589 3.686 3.783 0.900 1.000 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 0.927 1.030 1.133 1.236 1.339 1.442 1.545 1.648 1.751 1.854 1.957 2.060 2.163 2.266 2.369 2.472 2.575 2.678 2.781 2.884 2.987 3.090 3.193 3.296 3.399 3.502 3.605 3.708 3.811 3.914 4.017 0.018 0.020 0.022 0.024 0.026 0.028 0.030 0.032 0.034 0.036 0.038 0.040 0.042 0.044 0.046 0.048 0.050 0.052 0.054 0.056 0.058 0.060 0.062 0.064 0.066 0.068 0.070 0.072 0.074 0.076 0.078 0.045 0.050 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 0.072 0.080 0.088 0.096 0.104 0.112 0.120 0.128 0.136 0.144 0.152 0.160 0.168 0.176 0.184 0.192 0.200 0.208 0.216 0.224 0.232 0.240 0.248 0.256 0.264 0.272 0.280 0.288 0.296 0.304 0.312 0.9 2.7 0.8 2.4 1.0 3.0 VDD= (–VDET) –0.10V 0.9 2.7 VDD= (–VDET) +2.0V 1.1 3.3 VDD= (–VDET) –0.13V 1.0 3.0 1.2 3.6 (Note 1) Refer to the previously defined “Output Delay Time tPLH”. (Note 2) Refer to the previously defined “Minimum Operating Voltage”. Condition 1 :Topt =25˚C Condition 2 :–40˚C ≤Topt ≤ 85˚C RN5VS Topt=25˚C Output Current 1 Iout(mA) Conditions MIN. TYP. Output Current 2 Iout(mA) Conditions MIN. TYP. Output Current 3 Iout(mA) Conditions MIN. TYP. Output Delay Time tplh(µs) MAX. Minimum Operating Voltage Vddl(V) TYP. MAX. Detector Threshold Tempco. ∆–Vdet/∆Topt (ppm/˚C) Conditions TYP. VDD= 0.85V 0.05 0.50 VDD= 1.0V 0.2 1.0 Nch Pch Note 2 Note 2 –40˚C≤ Topt VDS= 0.05V 0.01 0.05 VDS= 0.50V VDD= 1.5V 1.0 2.0 VDS= –2.1V 1.0 2.0 Note 1 100 Condition 1 Condition 1 0.55 0.70 ±100 ≤ 85˚C VDD= 0.7V VDD= 4.5V Condition 2 Condition 2 0.65 0.80 R N5VS • R N5VS40A/C to RN5VS60A/C Detector Threshold Part Number MIN. Detector Threshold Hysteresis Vhys(V) Supply Current 1 Iss(µA) Supply Current 2 Iss(µA) –Vdet(V) TYP. MAX. MIN. TYP. MAX. Conditions TYP. MAX. Conditions TYP. MAX. RN5VS40A/C RN5VS41A/C RN5VS42A/C RN5VS43A/C RN5VS44A/C RN5VS45A/C RN5VS46A/C RN5VS47A/C RN5VS48A/C RN5VS49A/C RN5VS50A/C RN5VS51A/C RN5VS52A/C RN5VS53A/C RN5VS54A/C RN5VS55A/C RN5VS56A/C RN5VS57A/C RN5VS58A/C RN5VS59A/C RN5VS60A/C 3.880 3.977 4.074 4.171 4.268 4.365 4.462 4.559 4.656 4.753 4.850 4.947 5.044 5.141 5.238 5.335 5.432 5.529 5.626 5.723 5.820 4.000 4.100 4.200 4.300 4.400 4.500 4.600 4.700 4.800 4.900 5.000 5.100 5.200 5.300 5.400 5.500 5.600 5.700 5.800 5.900 6.000 4.120 4.223 4.326 4.429 4.532 4.635 4.738 4.841 4.944 5.047 5.150 5.253 5.356 5.459 5.562 5.665 5.768 5.871 5.974 6.077 6.180 0.080 0.082 0.084 0.086 0.088 0.090 0.092 0.094 0.096 0.098 0.100 0.102 0.104 0.106 0.108 0.110 0.112 0.114 0.116 0.118 0.120 0.200 0.205 0.210 0.215 0.220 0.225 0.230 0.235 0.240 0.245 0.250 0.255 0.260 0.265 0.270 0.275 0.280 0.285 0.290 0.295 0.300 0.320 0.328 0.336 0.344 0.352 0.360 0.368 0.376 0.384 0.392 0.400 0.408 0.416 0.424 0.432 0.440 0.448 0.456 0.464 0.472 0.480 VDD= (–VDET) –0.16V 1.1 3.3 1.3 3.9 VDD= (–VDET) +2.0V VDD= (–VDET) –0.20V 1.2 3.6 1.4 4.2 (Note 1) Refer to the previously defined “Output Delay Time tPLH”. (Note 2) Refer to the previously defined “Minimum Operating Voltage”. Condition 1 :Topt =25˚C Condition 2 :–40˚C ≤Topt ≤ 85˚C RN5VS Topt=25˚C Output Current 1 Iout(mA) Conditions MIN. TYP. Output Current 2 Iout(mA) Conditions MIN. TYP. Output Current 3 Iout(mA) Conditions MIN. TYP. Output Delay Time tplh(µs) MAX. Minimum Detector Threshold Tempco. Operating Voltage Vddl(V) TYP. MAX. ∆–Vdet/∆Topt (ppm/˚C) Conditions TYP. Nch Pch Note 2 Note 2 VDS= 0.05V 0.01 0.05 VDS= 0.50V VDD= 1.5V 1.0 2.0 VDS= –2.1V 1.5 3.0 Note 1 100 Condition 1 Condition 1 –40˚C≤ 0.55 0.70 Topt ≤85˚C Condition 2 Condition 2 0.65 0.80 ±100 VDD= 0.7V VDD= 8.0V R N5VS OPERATION VDD Ra + – OUT Rb Vref Tr.1 Rc GND FIG. 1 Block Diagram Pch • In RN5VS××A, Nch Tr. drain is connected to OUT pin. • In RN5VS××C, Nch Tr. drain and Pch Tr. drain are connected to OUT pin. Nch Operation Diagram 1 2 3 4 5 Step Step 1 Step 2 Step 3 Step 4 Step 5 Released Volage +VDET Supply Volage (VDD) Detected Volage –VDET B A Detector Threshold Hysteresis Comparator(+) Pin Input Voltage Comparator Output Tr. 1 I H OFF II L ON OFF ON II Indefinite Indefinite Indefinite Indefinite II L ON OFF ON I H OFF ON OFF Minimum Operating Volage GND Output Tr. Pch Nch I. ON OFF Rb + Rc Ra + Rb + Rc ·VDD Output Volage (OUT) II. GND Rb Ra + Rb ·VDD FIG. 2 Operation Diagram tPLH Step 1. Output Voltage is equal to Power Source Voltage (VDD). Step 2. When Input Voltage to Comparator reaches the state of Vref ≥ VDD·(Rb+Rc)/(Ra+Rb+Rc)at Point A (Detected Voltage –VDET), the output of Comparator is reserved, so that Output Voltage becomes GND. Step 3. In the case of CMOS Output, Output Voltage becomes unstable when Supply Voltage (VDD) is smaller than Minimum Operating Voltage. In the case of Nch Open Drain Output, a pulled-up voltage is output. Step 4. Output Voltage becomes equal to GND. Step 5. When Input Voltage to Comparator reaches the state of Vref ≤ VDD · (Rb)/(Ra+ Rb) at Point B (Released Voltage +VDET), the output of Comparator is reversed, so that Output Voltage becomes equal to Supply Voltage (VDD). RN5VS TEST CIRCUITS ISS VDD VDD RN5VS SERIES GND VSS VSS OUT VDD VDD Rn Rn:RN5VS××A:470kΩ RN5VS××C:None VDET RN5VS OUT SERIES GND VSS FIG. 3 Supply Current Test Circuit VDD VDD RN5VS SERIES OUT IOUT +VDS FIG. 4 Detector Threshold Test Circuit VDD VDD RN5VS××C OUT SERIES GND VSS VSS VSS IOUT VDD –VDS GND VSS FIG. 5 Nch Driver Output Current Test Circuit +5.0V +VDET+2.0V 0.7V VSS P.G. VDD RN5VS××A OUT SERIES GND ROUT 470kΩ OUT COUT VSS FIG. 6 Pch Driver Output Current Test Circuit RIN 100kΩ +VDET+2.0V 0.7V VSS P.G. VDD RN5VS××A OUT SERIES CIN GND +5.0V ROUT 470kΩ OUT VSS FIG. 7 Output Delay Time Test Circuit (1) FIG. 8 Output Delay Time Test Circuit (2) In Output Delay Time Test Circuits (1) and (2) in FIG. 7 and FIG. 8, their respective Output Voltage Fall Times (tPHL) and Rise Times (tPLH) are defined as shown below. +VDET+2.0V +VDET+2.0V Input Voltage Input Voltage 0.7V GND 0.7V GND 5.0V Output Voltage Output Voltage 2.5V +VDET+2.0V +VDET+2.0V 2 GND tPHL tPLH GND tPHL tPLH Nch Open Drain Output CMOS Output RN5VS TYPICAL CHARACTERISTICS 1) Supply Current vs. Input Voltage RN5VS09C 2.5 2.5 RN5VS27C Topt=85˚C Supply Current ISS(µA) 2.0 Supply Current ISS(µA) 2.0 Topt=85˚C 1.5 1.0 0.5 0.0 25˚C 1.5 1.0 0.5 0.0 25˚C –40˚C –40˚C 0 2 4 6 Input Voltage VIN(V) 8 10 0 2 4 6 Input Voltage VIN(V) 8 10 RN5VS45C 2.0 Topt=85˚C Supply Current ISS(µA) 1.5 25˚C 1.0 –40˚C 0.5 0.0 0 2 4 6 Input Voltage VIN(V) 8 10 2) Detector Threshold vs. Temperature RN5VS09C 1.00 Detector Threshold VDET(V) Detector Threshold VDET(V) 0.98 0.96 0.94 0.92 0.90 0.88 0.86 0.84 –60 –40 –20 0 20 40 60 Temperature Topt(˚C) 80 100 –VDET +VDET 2.9 RN5VS27C 2.8 +VDET 2.7 –VDET 2.6 2.5 –60 –40 –20 0 20 40 60 Temperature Topt(˚C) 80 100 RN5VS RN5VS45C 4.8 Detector Threshold VDET(V) +VDET 4.7 4.6 –VDET 4.5 4.4 –60 –40 –20 0 20 40 60 Temperature Topt(˚C) 80 100 3) Output Voltage vs. Input Voltage RN5VS09A 1.6 1.4 Output Voltage VOUT(V) 1.2 1 0.8 0.6 0.4 85˚C 0.2 0 0 0.2 25˚C Topt=–40˚C Output Voltage VOUT(V) VDD Pull-up 470kΩ 6 5 4 RN5VS09A 5V Pull-up 470k Ω Topt=–40˚C 25˚C 3 85˚C 2 1 0 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 Input Voltage VIN(V) 0.4 0.6 0.8 1 1.2 1.4 1.6 Input Voltage VIN(V) RN5VS27A 4 Output Voltage VOUT(V) VDD Pull-up 470k Ω 6 Output Voltage VOUT(V) 5 4 RN5VS27A 5V Pull-up 470k Ω 3 Topt=–40˚C 3 2 1 0 0 0.5 1 1.5 2 2.5 3 Input Voltage VIN(V) 3.5 4 25˚C 85˚C 2 1 85˚C 25˚C 0 Topt=–40˚C 0 0.5 1 1.5 2 2.5 3 Input Voltage VIN(V) 3.5 4 R N5VS RN5VS45A 6 Output Voltage VOUT(V) 5 4 3 2 85˚C 1 0 0 1 25˚C Topt=–40˚C 2 3 4 Input Voltage VIN(V) 5 6 0 0 1 VDD Pull-up 470k Ω 6 RN5VS45A 5V Pull-up 470kΩ Topt=–40˚C Output Voltage VOUT(V) 5 25˚C 4 85˚C 3 2 1 2 3 4 Input Voltage VIN(V) 5 6 4) Nch Driver Output Current vs. VDS RN5VS09C 700 Output Current IOUT(µA) 600 500 400 300 0.7V 200 100 0 0 0.2 0.4 0.6 0.8 VDD=0.85V Topt=25˚C 300 Output Current IOUT(µA) 250 200 150 100 RN5VS09C Topt=25˚C VDD=0.8V 0.7V 50 0 0 0.02 0.04 0.06 VDS(V) 0.08 0.1 VDS(V) RN5VS27C 20 18 Output Current IOUT(mA) 16 14 12 10 8 6 4 2 0 0.0 0 0.5 1.0 1.5 2.0 2.5 0 0.02 2.0V 1.5V VDD=2.5V Output Current IOUT(µA) Topt=25˚C 300 250 200 RN5VS27C Topt=25˚C VDD=0.8V 150 100 0.7V 50 VDS(V) 0.04 0.06 VDS(V) 0.08 0.1 RN5VS RN5VS45C 60 Output Current IOUT(mA) 50 40 30 20 10 2.0V 2.5V Topt=25˚C VDD=4.5V 4.0V 3.5V 3.0V Output Current IOUT(µA) 300 250 200 RN5VS45C Topt=25˚C VDD=0.8V 150 100 0.7V 50 0 1.5V 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 VDS(V) 0 0.02 0.04 0.06 VDS(V) 0.08 0.1 5) Nch Driver Output Current vs. Input Voltage RN5VS09C 900 800 700 600 500 400 300 200 100 0 0 0.2 85˚C 0.4 0.6 0.8 Input Voltage VIN(V) 1 1.2 Topt=–40˚C 25˚C Output Current IOUT(mA) Output Current IOUT(µA) 14 12 10 8 6 4 2 0 0.0 0.5 RN5VS27C Topt=–40˚C 25˚C 85˚C 1.0 1.5 2.0 Input Voltage VIN(V) 2.5 3.0 RN5VS45C 25 Output Current IOUT(mA) 20 15 10 Topt=–40˚C 25˚C 85˚C 5 0 0 1 2 3 4 Input Voltage VIN(V) 5 6 R N5VS 6) Pch Driver Output Current vs. Input Voltage RN5VS09C 1.4 Output Current IOUT(mA) 1.2 1.0 0.8 0.6 0.5V 0.4 0.2 0.0 0 2 4 6 Input Voltage VIN(V) 8 VDS=0.7V Topt=25˚C Output Current IOUT(mA) 3.5 3.0 RN5VS27C Topt=25˚C VDS=2.1V 2.5 2.0 1.5 1.0 0.5 0.0 0 1 2 3 4 5 Input Voltage VIN(V) 6 7 1.5V 1.0V 0.5V RN5VS45C 4.5 4.0 Output Current IOUT(mA) 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 2 4 6 Input Voltage VIN(V) 8 10 0.5V VDS=2.1V 1.5V 1.0V Topt=25˚C 7) Output Delay Time vs. Load Capacitance RN5VS09A 100 Output Delay Time tp(ms) Output Delay Time tp(ms) 10 1 0.1 0.01 tPHL tPLH 100 10 1 0.1 0.01 RN5VS27A tPLH tPHL 0.001 0.0001 0.001 0.01 Load Capacitance COUT(µF) 0.1 0.001 0.0001 0.001 0.01 Load Capacitance COUT(µF) 0.1 RN5VS RN5VS45A 100 Output Delay Time tp(ms) 10 1 0.1 0.01 tPHL tPLH 0.001 0.0001 0.001 0.01 Load Capacitance COUT(µF) 0.1 8) Output Delay Time vs. Input Pin Capacitance RN5VS09A 100 Output Delay Time tp(ms) Output Delay Time tp(ms) 10 1 0.1 0.01 tPHL 100 10 1 RN5VS27A tPLH tPLH 0.1 0.01 tPHL 0.001 0.0001 0.001 0.01 Input Pin Capacitance CIN(µF) 0.1 0.001 0.0001 0.001 0.01 Input Pin Capacitance CIN(µF) 0.1 RN5VS45A 100 Output Delay Time tp(ms) 10 1 tPLH 0.1 tPHL 0.01 0.001 0.001 0.01 0.1 Input Pin Capacitance CIN(µF) 1 2 R N5VS TYPICAL APPLICATIONS • RN5VS ×× A CPU Reset Circuit (Nch Open Drain Output) (1) Input Voltage to RN5VS ×× A is the same as the input voltage to CPU. VDD VDD 470kΩ (2) Input Voltage to RN5VS ×× A is different from the input voltage to CPU. VDD1 VDD 470kΩ R VDD RESET OUT CPU VDD2 R VDD RESET CPU RN5VS××A SERIES OUT GND RN5VS××A SERIES GND GND GND • R N5VS ×× C CPU Reset Circuit (CMOS Output) VDD VDD RN5VS××C SERIES OUT GND VDD RESET CPU GND • RN5VS ×× A Output delay Time Circuit 1 VDD VDD 470kΩ R VDD RESET CPU • R N5VS ×× A Output delay Time Circuit 2 VDD 100kΩ R1 VDD 470kΩ RN5VS××A SERIES GND R2 VDD RESET OUT CPU RN5VS××A OUT SERIES GND GND GND • Memory Back-up Circuit VDD D1 D2 VCC VCC A Y1 Y2 B Y3 G Y4 RAM1 GND CS GND VCC RAM2 GND CS VCC RAM3 GND CS VCC RAM4 GND CS VDD RN5VS××C OUT SERIES GND RN5VS • Voltage Level Indicator Circuit (lighted when the power runs out) ( Nch Open Drain Output) VDD VDD OUT RN5VS××A SERIES GND • Detector Threshold Changing Circuit (Nch Open Drain Output) VDD Ra OUT RN5VS××A SERIES GND VDD C Rb Changed Detector Threshold = Ra + Rb Rb Ra + Rb Rb · VHYS · (–VDET ) Hysteresis Voltage = (Note) Please note that when the value of Ra becomes excessively large, the detector threshold detected may differ from the value calculated by use of the above formula. • Window Comparator Circuit (Nch Open Drain Output) VDD VDD RN5VS××A OUT SERIES VDET2 GND OUT VDD OUT VSS VDET1 VDET2 VDD RN5VS××A OUT SERIES VDET1 GND VSS • Excessive Charge Preventing Circuit Light R1 R2 Solar Battery D1 OUT R3 VDD R4 Load RN5VS××C SERIES VSS 2 RN5VS APPLICATION HINTS VDD R VDD RN5VS SERIES GND OUT VDD R2 RN5VS SERIES GND OUT VDD R1 FIG.9 FIG.10 1. When RN5VS×× C (CMOS Output) is used in FIG. 9, this IC may oscillate by the through-type current at the detection when impedance is connected between Power Source VDD and RN5VS VDD Pin.When RN5VS×× A (Nch Open Drain Output) is used in FIG. 9, and R becomes excessively large, Detector Threshold may be varied because of the voltage drop of the supply current in the IC itself. 2. The connection as shown in FIG. 10 may cause the oscillation in both RN5VS×× C (CMOS Output) and RN5VS×× A (Nch Open Drain Output). RN5VS PACKAGE DIMENSIONS (Unit: mm) • SOT-23-5 2.9±0.2 1.9±0.2 (0.95) (0.95) +0.2 1.1 –0.1 0.2 MIN. 0 to 0.1 2.0±0.05 1.75±0.1 3.5±0.05 3.2 3.3 4.0±0.1 2.0MAX. 0.8±0.1 4 2.8±0.3 5 1 2 0.4±0.1 3 +0.1 0.15 –0.05 TAPING SPECIFICATIONS (Unit: mm) • SOT-23-5 ø 1.5+0.1 –0 4.0±0.1 0.3±0.1 +0.2 1.6 –0.1 TR User Direction of Feed. TL 8.0±0.3 2 RICOH COMPANY, LTD. ELECTRONIC DEVICES DIVISION HEADQUARTERS 13-1, Himemuro-cho, Ikeda City, Osaka 563, JAPAN Phone 81-727-53-1111 Fax 81-727-53-6011 YOKOHAMA OFFICE (International Sales) 3-2-3, Shin-Yokohama, Kohoku-ku, Yokohama City, Kanagawa 222, JAPAN Phone 81-45-477-1697 Fax 81-45-477-1694 · 1695 RICOH CORPORATION ELECTRONIC DEVICES DIVISION SAN JOSE OFFICE 3001 Orchard Parkway, San Jose, CA 95134-2088, U.S.A. Phone 1-408-432-8800 Fax 1-408-432-8375