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| VOLTAGE DETECTOR Rx5VL SERIES APPLICATION MANUAL ELECTRONIC DEVICES DIVISION NO.EA-019-9803 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. The release of such information is not to be construed as a warranty of or a grant of license under Ricoh's or any third party's intellectual property rights or any other rights. 5. The products listed in this document are intended and designed for use as general electronic components in standard applications (office equipment, computer equipment, measuring instruments, consumer electronic products, amusement equipment etc.). Those customers intending to use a product in an application requiring extreme quality and reliability, for example, in a highly specific application where the failure or misoperation of the product could result in human injury or death (aircraft, spacevehicle, nuclear reactor control system, traffic control system, automotive and transportation equipment, combustion equipment, safety devices, life support system etc.) should first contact us. 6. 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 Rx SERIES 5VL 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 .............................................................18 6) Pch Driver Output Current vs. Input Voltage..............................................................19 7) Output Delay Time vs. Load Capacitance ................................................................20 TYPICAL APPLICATIONS ............................................................................21 * Rx 5VLx A CPU Reset Circuit(Nch Open Drain Output) .....................................................21 x * Rx 5VLx C CPU Reset Circuit (CMOS Output) ..............................................................21 x * Rx 5VLx A Output delay Time Circuit .......................................................................21 x * Memory Back-up Circuit ....................................................................................21 * Voltage Level Indicator Circuit (lighted when the power runs out) ..........................................22 * Detector Threshold Changing Circuit .......................................................................22 * Window Comparator Circuit ................................................................................22 * Excessive Charge Preventing Circuit .......................................................................22 PACKAGE DIMENSIONS ..............................................................................24 TAPING SPECIFICATIONS ...........................................................................25 VOLTAGE DETECTOR Rx 5VL SERIES OUTLINE The Rx 5VL Series are voltage detector ICs with high detector threshold accuracy and ultra-low supply current by CMOS process. 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. Two output Types, Nch open drain type and CMOS type, are available. Three types of packages, TO-92, SOT-89 (Mini-power Mold), SOT-23-5 (Mini-mold), are available. FEATURES * Ultra-low Supply Current ................................TYP. 1.0A (VDD=3.0V) * Broad Operating Voltage Range ......................1.5V to 10.0V * Detector Threshold ...........................................Stepwise setting with a step of 0.1V in the range of 2.0V to 6.0V is possible (refer to Selection Guide). * High Accuracy Detector Threshold .................2.5% * Low Temperature-Drift Coefficient of Detector Threshold .....TYP.100ppm/C * Two Output Types ............................................Nch Open Drain and CMOS * Three Types of Packages ..................................TO-92, SOT-89 (Mini-power Mold), SOT-23-5 (Mini-mold) APPLICATIONS * CPU & Logic Circuit Reset * Battery Checker * Window Comparator * Wave Shaping Circuit * Battery Back-Up Circuit * Power Failure Detector 1 R x5VL BLOCK DIAGRAMS * Nch Open Drain Output (Rx x 5VLx A) * CMOS Output (Rx x 5VLx C) VDD 2 OUT 1 + - Vref 3 GND VDD 2 + - Vref OUT 1 3 GND TIME CHART Supply Voltage (VDD) Released Voltage Detected Voltage +VDET -VDET Detector Threshold Hysteresis Minimum Operating Voltage GND Output Voltage (OUT) GND tPLH DEFINITION OF OUTPUT DELAY TIME tPLH +VDET + 2.0V Input Voltage (VDD) 1.2V GND 7.0V Output Voltage 3.5V Output Voltage +VDET + 2.0V 2 GND tPHL tPLH tPHL tPLH Input Voltage (VDD) 1.2V GND +VDET +2.0V +VDET + 2.0V GND Nch Open Drain Output CMOS Output 2 Rx 5VL 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 1.2V to +VDET+2.0V is applied to VDD is Time A, and the time at which the output reaches 3.5V under the conditions that the output pin (OUT) is pulled up to 7V by a resistor of 100k 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 1.2V 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. 3 R x5VL SELECTION GUIDE The package type,the detector threshold,the output type,the packing type,and the taping type of Rx 5VL series can be designating at the user's request by specifying the part number as follows: 5VLx x x x x- x Part Number Rx } } a Code e b cd Contents a Designation of Package Type: E: TO-92 H: SOT-89 (Mini-power Mold) N: SOT-23-5 (Mini-mold) Setting Detector Threshold (-VDET): Stepwise setting with a step of 0.1V in the range of 2.0V 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 TO-92 and samples Designation of Taping Type: Ex. TO-92: RF, RR, TZ SOT-89: T1, T2 SOT-23-5: TR, TL (refer to Taping Specifications) "TZ", "T1" and "TR" are prescribed as a standard. b c d e For example, the product with Package Type SOT-89, Detector Threshold 3.5V, Output Type Nch Open Drain and Taping Type T1, is designated by Part Number RH5VL35AA-T1. 4 R x5VL PIN CONFIGURATION * TO-92 * SOT-89 * SOT-23-5 5 (mark side) (mark side) 4 (mark side) 1 2 3 1 2 3 1 2 3 PIN DESCRIPTION * TO-92 Pin No Symbol * SOT-89 Pin No Symbol * SOT-23-5 Pin No Symbol 1 2 3 OUT VDD GND 1 2 3 OUT VDD GND 1 2 3 4 5 OUT VDD GND NC NC 5 R x5VL ABSOLUTE MAXIMUM RATINGS Symbol Item Rating Topt=25C Unit VDD Supply Voltage CMOS 12 VSS-0.3 to VDD+0.3 VSS-0.3 to 12 70 300 150 -30 to +80 -55 to +125 260C,10s V V VOUT Output Voltage Nch IOUT PD1 PD2 Topt Tstg Tsolder Output Current Power Dissipation 1 (NOTE1) Power Dissipation 2 (NOTE2) Operating Temperature Range Storage Temperature Range Lead Temperature (Soldering) mA mW mW C C (NOTE 1) applied to SOT-89 and TO-92 (NOTE 2) applied to SOT-23-5 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. 6 R x5VL ELECTRICAL CHARACTERISTICS * Rx 5VL20C Symbol Item Conditions MIN. TYP. MAX. Topt=25C Unit -VDET VHYS Detector Threshold Detector Threshold Hysteresis VDD=1.90V 1.950 0.060 2.000 0.100 0.90 1.10 1.70 2.050 0.140 2.70 3.30 5.10 10.0 V V ISS Supply Current VDD=4.00V VDD=10.0V A VDD Operating Voltage Nch VDS=0.5V VDD=1.5V VDS=-2.1V VDD=4.5V 1.50 0.25 1.00 0.50 2.00 V mA mA IOUT Output Current Pch tPLH - VDET Topt Output Delay Time Detector Threshold Temperature Coefficient -30CTopt80C 100 100 s ppm/C * Rx 5VL27C Symbol Item Conditions MIN. TYP. MAX. Topt=25C Unit -VDET VHYS Detector Threshold Detector Threshold Hysteresis VDD=2.60V 2.633 0.081 2.700 0.135 0.90 1.10 1.70 2.767 0.189 2.70 3.30 5.10 10.0 V V ISS Supply Current VDD=4.70V VDD=10.0V A VDD Operating Voltage Nch Nch Pch VDS=0.5V VDD=1.5V VDS=0.5V VDD=2.0V VDS=- 2.1V VDD=4.5V 1.50 0.25 1.50 1.00 0.50 3.00 2.00 V mA mA mA IOUT Output Current tPLH - VDET Topt Output Delay Time Detector Threshold Temperature Coefficient -30CTopt80C 100 100 s ppm/C 7 R x5VL * Rx 5VL36C Symbol Item Conditions MIN. TYP. MAX. Topt=25C Unit -VDET VHYS Detector Threshold Detector Threshold Hysteresis VDD=3.47V 3.510 0.108 3.600 0.180 1.00 1.20 1.70 3.690 0.252 3.00 3.60 5.10 10.0 V V ISS Supply Current VDD=5.60V VDD=10.0V A VDD Operating Voltage Nch Nch Pch VDS=0.5V VDD=1.5V VDS=0.5V VDD=3.0V VDS=- 2.1V VDD=4.5V 1.50 0.25 3.00 1.00 0.50 5.00 2.00 V mA mA mA IOUT Output Current tPLH - VDET Topt Output Delay Time Detector Threshold Temperature Coefficient -30CTopt80C 100 100 s ppm/C * Rx 5VL45C Symbol Item Conditions MIN. TYP. MAX. Topt=25C Unit -VDET VHYS Detector Threshold Detector Threshold Hysteresis VDD=4.34V 4.388 0.135 4.500 0.225 1.10 1.30 1.70 4.612 0.315 3.30 3.90 5.10 10.0 V V ISS Supply Current VDD=6.50V VDD=10.0V A VDD Operating Voltage Nch Nch Pch VDS=0.5V VDD=1.5V VDS=0.5V VDD=4.0V VDS=- 2.1V VDD=8.0V 1.50 0.25 4.00 1.50 0.50 6.00 3.00 V mA mA mA IOUT Output Current tPLH - VDET Topt Output Delay Time Detector Threshold Temperature Coefficient -30CTopt80C 100 100 s ppm/C 8 R x5VL * Rx 5VL54C Symbol Item Conditions MIN. TYP. MAX. Topt=25C Unit -VDET VHYS Detector Threshold Detector Threshold Hysteresis VDD=5.20V 5.265 0.162 5.400 0.270 1.20 1.40 1.70 5.535 0.378 3.60 4.20 5.10 10.0 V V ISS Supply Current VDD=7.40V VDD=10.0V A VDD Operating Voltage Nch Nch Pch VDS=0.5V VDD=1.5V VDS=0.5V VDD=5.0V VDS=-2.1V VDD=8.0V 1.50 0.25 5.00 1.50 0.50 7.00 3.00 V mA mA mA IOUT Output Current tPLH -VDET Topt Output Delay Time Detector Threshold Temperature Coefficient -30CTopt80C 100 100 s ppm/C 9 R x5VL ELECTRICAL CHARACTERISTICS BY DETECTOR THRESHOLD * Rx 5VLx xA Detector Threshold Part Number MIN. Detector Threshold Hysteresis VHYS(V) SupplyCurrent 1 ISS(A) Conditions TYP. MAX. Supply Current 2 ISS(A) Conditions TYP. MAX. Supply Current 3 ISS(A) Conditions TYP. MAX. -VDET(V) TYP. MAX. MIN. MAX. Rx 5VL20A Rx 5VL21A Rx 5VL22A Rx 5VL23A Rx 5VL24A Rx 5VL25A Rx 5VL26A Rx 5VL27A Rx 5VL28A Rx 5VL29A Rx 5VL30A Rx 5VL31A Rx 5VL32A Rx 5VL33A Rx 5VL34A Rx 5VL35A Rx 5VL36A Rx 5VL37A Rx 5VL38A Rx 5VL39A Rx 5VL40A Rx 5VL41A Rx 5VL42A Rx 5VL43A Rx 5VL44A Rx 5VL45A Rx 5VL46A Rx 5VL47A Rx 5VL48A Rx 5VL49A Rx 5VL50A Rx 5VL51A Rx 5VL52A Rx 5VL53A Rx 5VL54A Rx 5VL55A Rx 5VL56A Rx 5VL57A Rx 5VL58A Rx 5VL59A 1.950 2.048 2.145 2.243 2.340 2.438 2.535 2.633 2.730 2.828 2.925 3.023 3.120 3.218 3.315 3.413 3.510 3.608 3.705 3.803 3.900 3.998 4.095 4.193 4.290 4.388 4.485 4.583 4.680 4.778 4.875 4.973 5.070 5.168 5.265 5.363 5.460 5.558 5.655 5.753 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 5.100 5.200 5.300 5.400 5.500 5.600 5.700 5.800 5.900 2.050 2.152 2.255 2.357 2.460 2.562 2.665 2.767 2.870 2.972 3.075 3.177 3.280 3.382 3.485 3.587 3.690 3.792 3.895 3.997 (-VDET) (-VDET) 4.100 x3% x7% 4.202 4.305 4.407 4.510 4.612 4.715 4.817 4.920 5.022 5.125 5.227 5.330 5.432 5.535 5.637 5.740 5.842 5.945 6.047 VDD= (-VDET) -0.10V 0.9 2.7 1.1 3.3 VDD= (-VDET) -0.13V 1.0 3.0 1.2 3.6 VDD= (-VDET) +2.0V VDD= (-VDET) -0.16V 1.1 3.3 1.3 3.9 VDD= 10V 1.7 5.1 VDD= (-VDET) -0.20V 1.2 3.6 1.4 4.2 10 R x5VL Topt=25C Output Current 1 IOUT(mA) Conditions MIN. TYP. Conditions Output Current 2 IOUT(mA) MIN. TYP. Output Delay Time Operating Voltage tPLH VDD(V) (s) MAX. MIN. MAX. Detector Threshold Tempco. -VDET/Topt (ppm/C) Conditions TYP. - - - Nch VDS= 0.5V 1.5 VDD= 2.0V 3.0 Nch VDS= 0.5V Nch VDS= 0.5V 3.0 5.0 -30C 100 1.5 10 Topt 80C 100 VDD= 1.5V 0.25 0.50 VDD= 3.0V Nch VDS= 0.5V VDD= 4.0V 4.0 6.0 Nch VDS= 0.5V VDD= 5.0V 5.0 7.0 11 R x5VL * Rx 5VLx xC Detector Threshold Part Number MIN. Detector Threshold Hysteresis VHYS(V) SupplyCurrent 1 ISS(A) Conditions TYP. MAX. Supply Current 2 ISS(A) Conditions TYP. MAX. Supply Current 3 ISS(A) Conditions TYP. MAX. -VDET(V) TYP. MAX. MIN. MAX. Rx 5VL20C Rx 5VL21C Rx 5VL22C Rx 5VL23C Rx 5VL24C Rx 5VL25C Rx 5VL26C Rx 5VL27C Rx 5VL28C Rx 5VL29C Rx 5VL30C Rx 5VL31C Rx 5VL32C Rx 5VL33C Rx 5VL34C Rx 5VL35C Rx 5VL36C Rx 5VL37C Rx 5VL38C Rx 5VL39C Rx 5VL40C Rx 5VL41C Rx 5VL42C Rx 5VL43C Rx 5VL44C Rx 5VL45C Rx 5VL46C Rx 5VL47C Rx 5VL48C Rx 5VL49C Rx 5VL50C Rx 5VL51C Rx 5VL52C Rx 5VL53C Rx 5VL54C Rx 5VL55C Rx 5VL56C Rx 5VL57C Rx 5VL58C Rx 5VL59C 1.950 2.048 2.145 2.243 2.340 2.438 2.535 2.633 2.730 2.828 2.925 3.023 3.120 3.218 3.315 3.413 3.510 3.608 3.705 3.803 3.900 3.998 4.095 4.193 4.290 4.388 4.485 4.583 4.680 4.778 4.875 4.973 5.070 5.168 5.265 5.363 5.460 5.558 5.655 5.753 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 5.100 5.200 5.300 5.400 5.500 5.600 5.700 5.800 5.900 2.050 2.152 2.255 2.357 VDD= 2.460 (-VDET) 0.9 2.562 -0.10V 2.665 2.767 2.870 2.972 3.075 3.177 3.280 3.382 VDD= 3.485 (-VDET) 1.0 3.587 -0.13V 3.690 3.792 3.895 3.997 (-VDET) (-VDET) 4.100 x3% x7% 4.202 4.305 4.407 VDD= 4.510 (-VDET) 1.1 4.612 -0.16V 4.715 4.817 4.920 5.022 5.125 5.227 5.330 5.432 VDD= 5.535 (-VDET) 1.2 5.637 -0.20V 5.740 5.842 5.945 6.047 2.7 1.1 3.3 3.0 1.2 3.6 VDD= (-VDET) +2.0V VDD= 10V 1.7 5.1 3.3 1.3 3.9 3.6 1.4 4.2 12 R x5VL Topt=25C Output Current 1 IOUT(mA) Conditions MIN. TYP. Conditions Output Current 2 IOUT(mA) MIN. TYP. Output Current 3 IOUT(mA) Conditions MIN. TYP. Output Delay Time Operating Voltage tPLH VDD(V) ( s) MAX. MIN. MAX. Detector Threshold Tempco. -VDET/Topt (ppm/C) Conditions TYP. -- -- -- Nch Pch VDS= 0.5V VDD= 1.5 3.0 VDS= - 2.1V 1.0 VDD= 4.5V 2.0 Nch 2.0V VDS= 0.5V 0.25 VDD= 0.5V 0.50 Nch VDS= 0.5V 3.0 5.0 - 30C 100 VDD= 3.0V 1.5 10 Topt 80C 100 Nch Pch VDS= 0.5V VDD= 4.0V 4.0 6.0 VDS= - 2.1V 1.5 3.0 VDD= Nch VDS= 0.5V VDD= 5.0V 5.0 7.0 8.0V 13 R x5VL OPERATION VDD Ra + - OUT Rb Vref Tr.1 Rc GND FIG. 1 Block Diagram Pch * In Rx 5VLxA, Nch Tr. drain is conx nected to OUT pin. 5VL x C, Nch Tr. drain and x * In Rx 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) Minimum Operating Volage GND Detected Volage -VDET B A Detector Threshold Hysteresis Comparator(+)Pin Input Voltage Comparator Output Tr. 1 Output Tr. Pch Nch I H OFF ON OFF II L ON OFF ON II Indefinite Indefinite Indefinite Indefinite II L ON OFF ON I H OFF ON OFF Output Volage (OUT) I. Rb + Rc Ra + Rb + Rc Rb *VDD Ra + Rb *VDD II. GND tPLH FIG. 2 Operation Diagram 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 VrefVDD*(Rb)/(Ra+Rb) at Point B (Released Voltage +VDET), the output of Comparator is reserved, so that Output Voltage becomes equal to Supply Voltage (VDD) 14 R x5VL TEST CIRCUITS ISS VDD VDD Rx5VL SERIES GND VSS VSS OUT VDD VDD Rx5VL SERIES GND VSS Rn OUT VDET 5VLx xA:100k Rn:Rx Rx 5VLx xC:None FIG. 3 Supply Current Test Circuit VDD VDD Rx5VL SERIES OUT IOUT +VDS FIG. 4 Detector Threshold Test Circuit VDD VDD Rx5VLxxC OUT SERIES GND VSS VSS VSS IOUT VDD -VDS GND VSS FIG. 5 Nch Driver Output Current Test Circuit FIG. 6 Pch Driver Output Current Test Circuit +7.0V +VDET+2.0V 1.2V VSS P.G. VDD Rx5VLxxA OUT SERIES GND ROUT 100k OUT COUT VSS FIG. 7 Output Delay Time Test Circuit In Output Delay Time Test Circuit in FIG.7, it's Output Voltage Fall Times (tPHL) and Rise Times (tPLH) are defined as shown below. +VDET+2.0V +VDET+2.0V Input Voltage (VDD) 1.2V GND Input Voltage (VDD) 1.2V GND 7.0V Output Voltage 3.5V Output Voltage +VDET+2.0V +VDET+2.0V 2 GND tPHL tPLH GND tPHL tPLH Nch Open Drain Output CMOS Output 15 R x5VL TYPICAL CHARACTERISTICS 1) Supply Current vs. Input Voltage Rx 5VL27C 3.0 Topt=80C Supply Current Iss(A) Supply Current Iss( A) 2.5 2.0 1.5 1.0 0.5 0.0 01 2 345678 Input Voltage VIN(V) 9 10 25C -30C Topt=80C 3.0 25C 2.0 -30C 1.0 4.0 Rx 5VL36C 0.0 0 1 2 345678 Input Voltage VIN(V) 9 10 Rx 5VL45C 3.0 Topt=80C Supply Current Iss(A) 2.5 2.0 1.5 1.0 0.5 0.0 0 1 2 345678 Input Voltage VIN(V) 9 10 25C -30C 2) Detector Threshold vs. Temperature Rx 5VL27C 3.0 Detector Threshold VDET(V) Detector Threshold VDET(V) 2.9 +VDET 2.8 2.7 2.6 2.5 -40 -20 4.0 3.9 3.8 3.7 3.6 3.5 -40 -20 -VDET Rx 5VL36C +VDET -VDET 0 20 40 60 80 100 Temperature Topt(C) 0 20 40 60 80 100 Temperature Topt(C) 16 R x5VL 5VL45C Rx 4.9 Detector Threshold VDET(V) 4.8 4.7 4.6 4.5 4.4 -40 -20 -VDET +VDET 0 20 40 60 80 100 Temperature Topt(C) 3) Output Voltage vs. Input Voltage Rx 5VL27A 4 Output Voltage VOUT(V) Topt=25C 5VL36A Rx 5 Output Voltage VOUT(V) 4 3 2 1 0 0 1 2 3 4 Input Voltage VIN(V) 5 Topt=25C 3 2 1 0 0 1 2 3 Input Voltage VIN(V) 4 6 Output Voltage VOUT(V) 5 4 3 2 1 0 0 1 Topt=25C 2 3 4 5 Input Voltage VIN(V) 6 17 R x5VL 4) Nch Driver Output Current vs. VDS Rx 5VL27C 10 Output Current IOUT(mA) 8 6 4 2 0 0.0 1.5V Topt=25C VIN=2.5V Output Current IOUT(mA) Rx 5VL36C 16 14 12 10 8 6 4 2 1.5V 2.0V Topt=25C VIN=3.0V 2.5V 2.0V 0.5 1.0 1.5 2.0 VDS(V) 2.5 3.0 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 VDS(V) Rx 5VL45C 30 Output Current IOUT(mA) 25 20 15 10 5 Topt=25C VIN=4.0V 3.5V 3.0V 2.5V 2.0V 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) 5) Nch Driver Output Current vs. Input Voltage Rx 5VL27C 10 Output Current IOUT(mA) 8 6 4 80C 2 0 0 1 2 Input Voltage VIN(V) 3 VDS=0.5V Rx 5VL36C 14 Output Current IOUT(mA) 12 10 8 6 4 2 0 0 25C VDS=0.5V Topt=-30C Topt=-30C 25C 80C 1 2 3 Input Voltage VIN(V) 4 18 R x5VL 5VL45C Rx 8 Output Current IOUT(mA) 25C VDS=0.5V Topt=-30C 6 4 80C 2 0 0 1 2 3 4 Input Voltage VIN(V) 5 6) Pch Driver Output Current vs. Input Voltage Rx 5VL27C 3.0 Output Current IOUT(mA) 2.5 2.0 1.5 1.0 0.5V 0.5 0 1 2 3 4 5 6 Input Voltage VIN(V) 7 Topt=25C 5VL36C Rx 3.5 Output Current IOUT(mA) 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 1 Topt=25C VDS=2.1V 1.5V 1.0V VDS=2.1V 1.5V 1.0V 0.5V 2 3 4 5 Input Voltage VIN(V) 6 7 Rx 5VL45C 3.0 Output Current IOUT(mA) 2.5 2.0 1.5 1.0 Topt=25C VDS=2.1V 1.5V 1.0V 0.5V 0.5 0.0 0 1 2 3 4 5 Input Voltage VIN(V) 6 7 19 R x5VL 7) Output Delay Time vs. Load Capacitance 5VL27A Rx 10 Output Delay Time tP(ms) Topt=25C 10 tPLH tPHL 1 Output Delay Time tP(ms) Topt=25C 1 tPHL 0.1 tPLH tPHL 0.1 tPLH 0.01 0.0001 0.001 0.01 Load Capacitance COUT(F) 0.1 0.01 0.0001 0.001 0.01 Load Capacitance COUT(F) 0.1 Rx 5VL45A 100 Output Delay Time tP(ms) Topt=25C 10 1 tPHL tPLH 0.1 0.01 0.0001 0.001 0.01 Load Capacitance COUT(F) 0.1 20 Rx 5VL * Rx 5VLx CPU Reset Circuit (Nch Open Drain Output) xA TYPICAL APPLICATION (1) Input Voltage to Rx 5VLx A is the same as x the input voltage to CPU. VDD VDD 100k VDD RESET OUT CPU (2) Input Voltage to Rx 5VLx A is different x from the input voltage to CPU. VDD1 VDD 100k R VDD RESET OUT CPU VDD2 R Rx5VLxxA SERIES GND GND Rx5VLxxA SERIES GND GND * Rx 5VLx CPU Reset Circuit (CMOS Output) xC VDD VDD Rx5VLxxC SERIES OUT GND VDD RESET CPU GND * Rx 5VLx Output delay Time Circuit xA VDD VDD 100k R VDD RESET CPU Rx5VLxxA OUT SERIES GND GND * Memory Back-up Circuit VDD D1 D2 VCC VCC A Y1 Y2 B Y3 G Y4 RAM1 GND CS GND VDD Rx5VLxxC OUT SERIES GND VCC RAM2 GND CS VCC RAM3 GND CS VCC RAM4 GND CS 21 Rx 5VL * Voltage Level Indicator Circuit (lighted when the power runs out) (Nch Open Drain Output) VDD VDD OUT Rx5VLxxA SERIES GND * Detector Threshold Changing Circuit (Nch Open Drain Output) VDD Ra OUT Rx5VLxxA VDD SERIES Changed Detector Threshold = Ra+ Rb Rb Ra + Rb Rb * VHYS * (-VDET ) Hysteresis Voltage = + GND C Rb (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 Rx5VLxxA OUT SERIES VDET2 VDET1 VDD VDET2 VDD Rx5VLxxA OUT SERIES VDET1 OUT VSS GND OUT VSS GND * Excessive Charge Preventing Circuit Light R1 R2 Solar Battery OUT R3 D1 VDD R4 Load Rx5VLxxC SERIES VSS 22 R x5VL APPLICATION HINTS VDD R VDD VDD R1 VDD Rx5VL SERIES VSS OUT Rx5VL SERIES VSS OUT R2 FIG.8 FIG.9 1. When Rx 5VLxC (CMOS Output) is used in FIG. 8, this IC may oscillate by the through-type current at the detecx 5VL VDD Pin.When Rx 5VLx A (Nch Open x tion when impedance is connected between Power Source VDD and Rx Drain Output) is used in FIG. 8, and R becomes excessively large, Detector Threshold may be varied because of the voltage drop of the supply current in the IC itself. 5VLxC (CMOS Output) and Rx x 5VLxA x 2. The connection as shown in FIG. 9 may cause the oscillation in both Rx (Nch Open Drain Output). 23 Rx 5VL PACKAGE DIMENSIONS (Unit: mm) * TO-92 5.2MAX. 4.2MAX. * SOT-89 4.50.1 1.60.2 0.4 0.40.1 5.2MAX. 1.50.1 2.3MAX. o1.0 12.7MAX. 0.6MAX. 0.7 0.55MAX. 0.5MAX. 1 2 3 0.8 MIN. 4.25MAX. 2.50.1 0.40.1 1 2 3 1.27 2.54 0.42 0.1 1.50.1 0.47 0.1 1.50.1 0.42 0.1 * SOT-23-5 2.90.2 1.90.2 (0.95) (0.95) +0.2 1.1 -0.1 0.80.1 0.2 MIN. +0.2 1.6 -0.1 2.80.3 0 to 0.1 +0.1 0.15 -0.05 5 4 1 2 0.40.1 3 24 Rx 5VL TAPING SPECIFICATIONS (Unit: mm) * TO-92 12.7 1.0 * 5.2 MAX. 4.2 MAX. 6.00.5 9.00.5 1.45 MAX. 0.70.2 18.0 +1.0 -0.5 0.6 MAX. 0.7 12.7 MAX. 2.3 MAX. 5.2 MAX. 0.5 MAX. 24.7 MAX. 16.00.5 19.00.5 0.5 MAX. 12.7 0.3 o 4.00.2 0.55 MAX. * RF When TZ type tape is pulled out from the direction B RR When TZ type tape is pulled out from the direction F (Note) : Mark Side 2.5 +0.4 -0.1 1 2 3 User Direction of Feed (Note) * SOT-89 4.00.1 2.00.05 0.30.1 1.50.1 +0.1 o 1.5 -0 When taping is conducted, the pins of TO-92 are subjected to a particular forming. 5.650.05 120.3 (Note) 5.0 8.00.1 2.5MAX. TZ type tape is not in the form of a reel, but is packed in a zigzag state in a box.Therefore, the tape can be used as either an RF type tape or an RR type tape,depending upon the pulling out direction (B or F). T1 User Direction of Feed. T2 * SOT-23-5 0.30.1 o 1.5+0.1 -0 4.00.1 2.00.05 3.50.05 1.750.1 3.2 3.3 4.00.1 2.0MAX. TR User Direction of Feed. TL 8.00.3 4.7 25 RICOH COMPANY, LTD. ELECTRONIC DEVICES DIVISION HEADQUARTERS 13-1, Himemuro-cho, Ikeda City, Osaka 563-8501, 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 222-8530, JAPAN Phone 81-45-477-1697 Fax 81-45-477-1694*1695 http://www.ricoh.co.jp/LSI/english/ 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 |
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