Manuale d’uso / di manutenzione del prodotto R3111x Series del fabbricante Ricoh
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R3111x SERIES LOW VOLTAGE DETECTOR NO.EA-056-080131 1 OUTLINE The R31 1 1x series are CMOS-based voltage dete ctor IC s with high detector thre shold 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.
R31 1 1x 2 BLOCK DIAGRAMS R31 1 1xxxxA R31 1 1xxxxB OUT V DD Vr e f GND OUT V DD Vr e f GND R31 1 1xxxxC OUT V DD GND Vr e f.
R 3 111 x 3 SELECTION GUIDE The package type, the detector thresh old, the output type and the taping type for the ICs can be selected at the users’ request.
R31 1 1x 4 PIN CONFIGURATIONS TO-92 SOT-89 SOT-23-3 SOT-23-5 SC-82AB SON1612- 6 3 12 (mark side) 3 12 (mark side) 1 2 3 (mark side) 123 4 5 (mark side) 43 1 2 (mark side) 1 2 3 6 5 4 (mark sid e ) PIN DESCRIPTIONS TO-92 SOT-89 SOT-23-3 Pin No.
R 3 111 x 5 ABSOLUTE MAXIMUM RATINGS Symbol Item Ratin g Unit V DD Supply Voltage 12 V V OUT1 Output Voltage (CMOS) V SS − 0.3 to V DD + 0.3 V V OUT2 Output Voltage (Nch) V SS − 0.
R31 1 1x 6 ELECTRICAL CHARACTERISTICS • R3111x09xA/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 I SS Supply Current V DD = 0.80V V DD = 2.
R 3 111 x 7 • R3111x27xA/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 I SS Supply Current V DD = 2.60V V DD = 4.70V 0.9 1.1 2.7 3.
R31 1 1x 8 • R3111x45xA/C Topt = 25 ° C Symbol Item Conditions Min. Typ. Max. Unit − V DET Detector Threshold 4.410 4.500 4.590 V V HYS Detector Threshold Hysteresis 0.135 0.225 0.315 V I SS Supply Current V DD = 4.34V V DD = 6.50V 1.1 1.3 3.3 3.
R 3 111 x 9 • R3111Q231B Topt = 25 ° C Symbol Item Conditions Min. Typ. Max. Unit − V DET Detector Threshold 2.254 2.300 2.346 V V HYS Detector Threshold Hysteresis 0.069 0.115 0.161 V I SS Supply Current V DD = 2.2V V DD = 4.3V 0.9 1.1 2.7 3.3 µ A V DDH Maximum Operating Volta ge 10 V Topt = 25 ° C 0.
R31 1 1x 10 TIMING CHART Detector Threshold t PLH t PLH t PLH GND GND V DDL - V DET +V DET Detect or T hreshold Released V oltage Minimum Operating V oltage Pull-up V oltage Supply Vo l t a g e (V DD .
R 3 111 x 11.
R31 1 1x 12 ELECTRICAL CHARACTERISTICS BY DETECTOR THRESHOLD • R3111x09x to R3111x60x Detector Threshold Detector Threshold Hysteresis Supply Current 1 Supply Current 2 − V DET [ V ] V HYS [ V ] I SS1 [ µ A ] I SS2 [ µ A ] Part Number Min. Typ. Max.
R 3 111 x 13 Output Current 1 * 3 Output Current 2 * 3 Output Dela y Time Minimum Operating Voltage Detector Threshold Temperature Coeffi cient I OUT1 [ mA ] I OUT2 [ mA ] t PLH [ µ s ] V DDL [ V ] ∆− V DET / ∆ Topt [ ppm/ ° C ] Condition Min.
R31 1 1x 14 OPERATION • Operation of R3111xxxxA Vr e f Ra Rb Rc V DD OUT GND Tr .1 Nch Com p arato r OUT pin shoul d be pulled- up to V DD or an ext ernal voltage level.
R 3 111 x 15 • Operation of R3111xxxxB Vr e f Ra Rb Rc V DD OUT GND Tr .1 Nch Com p arato r OUT pin shoul d be pulled- up to V DD or an ext ernal voltage level.
R31 1 1x 16 • Operation of R3111xxxxC Vr e f Ra Rb Rc V DD OUT GND Tr . 1 Nch Pch Com p arato r Block Diagram (R31 1 1 xxxxC) t PLH GND GND V DDL - V DET +V DET Detector Threshold Released V oltage .
R 3 111 x 17 TEST CIRCUITS GND V DD V IN I SS R 3 111 x Series OUT GND V DD V IN R 3 111 x Series OUT 470k Ω 5V V OUT Supply Current T est Circuit Detector Threshold T est Circuit (Pull-up circuit is not neces sary for CMOS Output type.
R31 1 1x 18 TYPICAL CHARACTERISTICS 1) Supply Current vs. Input Voltage R31 1 1x09xC R31 1 1x27xC T opt=85 ° C 25 ° C -40 ° C 2.5 2.0 1.5 1.0 0.5 0.0 Input V oltage V IN (V) 02 4 6 8 1 0 Supply Current I SS ( µ A) T opt=85 ° C 25 ° C -40 ° C 2.
R 3 111 x 19 R31 1 1x45xC 4.8 4.7 4.6 4.5 4.4 +V DET -V DET T emperature T opt( ° C) - 6 0 0 2 04 06 08 0 -40 -20 100 Detector Threshold -V DET (V) 3) Output Voltage vs. Input Voltage R31 1 1x09xC R31 1 1x09xA T opt=-40 ° C 25 ° C 85 ° C 1.6 1.4 1.
R31 1 1x 20 R31 1 1x45xC R31 1 1x45xA T opt=-40 ° C 25 ° C 85 ° C 6 5 4 3 2 0 1 Input V oltage V IN (V) 02 3 16 5 4 Output V oltage V OUT (V) 5V Pull-up 470k Ω 6 5 4 3 2 0 1 Input V oltage V IN (V) 02 3 16 5 4 Output V oltage V OUT (V) T opt=-40 ° C 25 ° C 85 ° C 4) Nch Driver Output Current vs.
R 3 111 x 21 R31 1 1x45xC R31 1 1x45xC T opt=25 ° C V DD =4.5V 4.0V 3.5V 3.0V 2.5V 2.0V 1.5V 60 50 40 30 20 0 10 V DS (V) 0 0.5 1 1.5 2 2.5 3 4 3.5 4.5 Output Current I OUT (mA) V DD =0.8V 0.7V T opt=25 ° C 300 250 200 150 100 0 50 V DS (V) 0 0.02 0.
R31 1 1x 22 6) Pch Driver Output Current vs. Input Voltage R31 1 1x09xC R31 1 1x27xC T opt=25 ° C V DS =0.7V 0.5V 1.4 1.2 1.0 0.8 0.6 0.4 0.0 0.2 Input V oltage V IN (V) 024 68 Output Current I OUT (mA) T opt=25 ° C V DS =2.1V 1.5V 0.5V 1.0V 3.5 3.0 2.
R 3 111 x 23 R31 1 1x45xA t PLH t PHL 100 10 1 0.1 0.01 0.001 Load Capacitance C OUT ( µ F) 0.0001 0.01 0.001 0.1 Output Dela y Time tP(ms) 8) Output Delay Time vs. Input Pin Capacitance R31 1 1x09xA R31 1 1x27xA t PHL t PLH 100 10 1 0.1 0.01 0.001 Input Pin Capacitance C IN ( µ F) 0.
R31 1 1x 24 TYPICAL APPLICATION • R3111xxxxA CPU Res e t Circuit (Nch Open Drain Output) Case 1. Input Voltage to R3111xxxxA is equal to Input Voltage to CPU Case 2.
R 3 111 x 25 • Voltage level Indicator Circuit (lighted when the power runs out) (Nch Open Drain Output) R 3 111 x x x x A Series V DD GND OUT V DD • Detector Threshold Adjustable Circuit (Nch Ope.
R31 1 1x 26 TECHNICAL NOTES When R31 1 1xxxxA/B (Nch Open Drain Ou tput T ype) is used in Figure A or Figure B, if impedance of V oltage Supply pin, V DD and V DD of this IC is large, detector threshold level would shift by volt age dropdown caused by the consumption current of the IC itself.
P ACKAGE INFORMA TION PE-TO-92-061 1 • TO-92 (SC-43A) Unit: mm PACKAGE DIMENSIONS 5.2Max. 4.2Max. 2.3Max. 5.2Max. 12.7Min. 0.6Max. 0.55Max. 1.27 2.54 1 2 3 0.7 0.5Max. 5.2 Max. 4.2 Max. 2.3 Max. 5.2 Max. 12.7 Min. 0.6 Max. 0.55 1 2 3 0.5 Max. Max. 2.
P ACKAGE INFORMA TION PE-TO-92-061 1 POWER DISSIPATION (TO-92) This specification is at mounted on bo ard. Measurement Result (Topt=25 ° C,Tjm ax=125 ° C) Free Air Power Dissip ation 300mW Thermal Resist ance θ ja = (125 − 25 ° C)/0.
P ACKAGE INFORMA TION PE-SOT -89-071210 • SOT-89 (SC-62) Unit: mm PACKAGE DIMENSIONS 4.5 ± 0.1 0.4 ± 0.1 0.4 ± 0.1 1.5 ± 0.1 1.6 ± 0.2 1.5 ± 0.1 ± 0. 1 1.5 ± 0.1 2.5 ± 0.1 1.0 ± 0.2 0.3 ± 0.2 ∅ 1.0 12 3 3 2 1 0.4 2 ± 0.1 0. 4 7 0 .42 ± 0.
P ACKAGE INFORMA TION PE-SOT -89-071210 POWER DISSIPATION (SOT-89) This specification is at m ounted on board. Power Di ssipation (P D ) depends on conditions of mounting on board.
PA C K AGE INFORMA TION PE-SOT -23-5-071228 • SOT-23-5 (SC-74A) Unit: mm PACKAGE DIMENSIONS 2.9 ± 0.2 0.4 ± 0.1 1.9 ± 0.2 (0.95) (0.95) 54 12 3 +0.2 − 0.1 1.6 +0.2 − 0.1 1.1 +0.1 − 0.05 0.15 2.8–0.3 0 to 0.1 0.8 ± 0.1 0.2 Min. TAPING SPECIFICATION 2.
PA C K AGE INFORMA TION PE-SOT -23-5-071228 POWER DISSIPATION (SOT-23-5) This specification is at mou nted on board. Power Dissip ation (P D ) depends on conditions of mounting on board. This specification is based on the measurement at the condition below: (Power Dissip ation (S OT -23-5) is substitution of SOT -23-6.
P ACKAGE INFORMA TION PE-SOT -23-3-0510 • SOT-23-3 (SC-59A) Unit: mm PACKAGE DIMENSIONS 2.9 ± 0.2 0.4 ± 0.1 1.9 ± 0.2 (0.95) (0.95) 3 12 1.6 ± 0.2 +0.2 –0.1 1.1 +0.1 –0.06 0.16 2.8 ± 0.3 0.2 MIN. 0.8 0 to 0.1 1.4MAX. TAPING SPECIFICATION (T1: Standard Type) 2.
P ACKAGE INFORMA TION PE-SOT -23-3-0510 POWER DISSIPATION (SOT-23-3) This specification is at mou nted on board. Power Dissip ation (P D ) depends on conditions of mounting on board. This specification is based on the measurement at the condition below: (Power Dissip ation (SOT -23-3) is substitution of SOT -23-6.
P ACKAGE INFORMA TION PE-SC-82AB-0512 • SC-82AB Unit: mm PACKAGE DIMENSIONS 0.3 ± 0.2 3 2 1 4 1.3 ± 0.2 0.3 ± 0.1 0.3 ± 0.1 (0.7) 0.9 ± 0.1 0 to 0.1 0.3 ± 0.1 0.4 ± 0.1 0.05 0.16 +0.1 − 0.06 2 ± 0.2 2.1 ± 0.3 1.25 ± 0.2 − 0.1 TAPING SPECIFICATION 2.
P ACKAGE INFORMA TION PE-SC-82AB-0512 POWER DISSIPATION (SC-82AB) This specification is at mou nted on board. Power Dissip ation (P D ) depends on conditions of mounting on board.
P ACKAGE INFORMA TION PE-SON1612-6-0510 • SON1612-6 Unit: mm PACKAGE DIMENSIONS 64 13 1.6 ± 0.1 0.125 ± 0.055 0.22 ± 0.05 0.3TYP. 1.2 ± 0.05 0.6MAX. (0.2) (0.3) (0.3) 1.6 ± 0.05 0.08 0.5 0.08 M TAPING SPECIFICATION 1.5 +0.1 0 4.0 ± 0.1 1.75 1.
P ACKAGE INFORMA TION PE-SON1612-6-0510 Power Dissipation (SON1612-6) This specification is at mounted on board. Power Dissip ation (P D ) depends on conditions of mounting on board.
MARK INFORMA TION ME-R31 1 1E-0310 R3111E SERIES MARK SPECIFICATION • TO-92 (SC-43A) 1 2 3 4 5 6 7 8 9 10 11 12 1 to 5 : Series Name: R3111 (fixed) 6 , 7 : Detector Threshold: ex.
MARK INFORMA TION ME-R31 1 1H-0310 R3111H SERIES MARK SPECIFICATION • SOT-89 (SC-62) 1 2 3 4 5 6 1 to 4 : Product Code (refer to Part Number vs. Produ ct Code) 5 , 6 : Lot Number • Part Number vs.
MARK INFORMA TION ME-R31 1 1Nxx1-0310 R3111Nxx1 SERIES MARK SPECIFICATION • SOT-23-5 (SC-74A) 1 2 3 4 1 , 2 : Product Code (refer to Part Number vs. Produ ct Code) 3 , 4 : Lot Number • Part Number vs.
MARK INFORMA TION ME-R31 1 1Nxx2-0310 R3111Nxx2x SERIES MARK SPECIFICATION • SOT-23-3 (SC-59A) 1 2 3 4 1 , 2 : Product Code (refer to Part Number vs.
MARK INFORMA TION ME-R31 1 1Q-070918 R3111Q SERIES MARK SPECIFICATION • SC-82AB 2 4 1 3 1 , 2 : Product Code (refer to Part Number vs. Produ ct Code) 3 , 4 : Lot Number • Part Number vs.
MARK INFORMA TION ME-R31 1 1D-070918 R3111D SERIES MARK SPECIFICATION • SON1612-6 1 2 3 4 5 6 1 to 4 : Product Code (refer to Part Number vs. Product Code) 5 , 6 : Lot Number • Part Number vs.
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