Ricoh R3111x Series manuale d’uso

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. Each of these ICs consist s of a voltage referen ce unit, a compa [...]

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. The selection can b e made with designating the p art number as shown below; R3111xxx xx-xx -x ← Part Number ↑ ↑ ↑ ↑ ↑ ↑ a b c d e f Code Contents a Designation of Packa ge Typ[...]

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. Symbol Pin No. Symbol Pin No. Symbol 1 V DD 1 OUT 1 OUT 2 GND 2 V DD 2[...]

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 − 0.3 to 12 V I OUT Output Current 70 mA Power Dissip ation (TO-92)* 300 Power Dissip ation (SOT-89)* 900 Power Dissip ation (SOT-23-3)* 420 Power Dissip ation (SOT-23-5)[...]

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 = 2.90V 0.8 0.9 2.4 2.7 µ A V DDH Maximum Operating Volta ge 10 V Topt = 25 ° C 0.55 0.70 V [...]

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 3.3 µ A V DDH Maximum Operating Volta ge 10 V Topt = 25 ° C 0.55 0.70 V DDL Minimum Operating Volt[...]

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 3.9 µ A V DDH Maximum Operating Volta ge 10 V Topt = 25 ° C 0.55 0.70 V DDL Minimum Operating Volta[...]

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 0.55 0.70 V DDL Minimum Operating Voltage [...]

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 ) Output Vo l t a g e (V OUT ) R31 1 1xxxxA R31 1 1xxxxB R31 1 1xxxxC Detector Threshol d Detector Threshold Hysteresis Hysteresis Hysteresis DEFINITI[...]

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. Min. Typ. Max. Conditi on Typ. Max. Condition Typ. Max. R3111x09xx 0.882 0.900 0.918 0.027 0.0[...]

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. Typ. Condition Min. Typ. Max. Typ. Max. Condition Typ. V DD = 0.85V 0.05 0.5 V DD = 1.0V 0.2 1.0 N[...]

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. Block Diagram (R31 1 1 xxxxA) 13 5 A B t PLH 2 4 GND GND V DDL - V DET +V DET Detector Threshold Released V oltage Minimum Operating V oltage Pull-up V oltage Detector Threshold [...]

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. Block Diagram (R31 1 1 xxxxB) t PLH GND GND V DDL - V DET +V DET Detector Threshold Released V oltage Minimum Operating V oltage Pull-up V oltage 1 2 3 A B Detector Threshold Hy stere sis[...]

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 Minimum Operating V oltage 12 3 4 5 A B Detector Threshold Hy stere sis Supply V oltage (V DD ) Output V olt age (V OUT ) Step 1 2 3 4 5 Compar ator ([...]

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.) GND V DD V IN R 3 111 x Series OUT V DS I OU T GND V DD V IN R 3 111 x Series OUT V DD − V DS I OUT V DS Nch[...]

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 2.0 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) R31 1 1x45xC T o[...]

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 1.2 1.0 0.8 0.6 0.4 0.0 0.2 Input V oltage V IN (V) 0 0.6 0.8 1 1.2 1.4 0.2 0.4 1.6 Output V oltage [...]

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. V DS R31 1 1x09xC R31 1 1x09xC T opt=25 ° C [...]

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 0.04 0.06 0.08 0.1 Output Current I OUT ( µ A) 5) Nch Driver Output Current vs. Input Voltage R31 1[...]

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 2.5 2.0 1.5 1.0 0.0 0.5 Input V oltage V IN (V) 012 4 36 57 Output Current I OUT (mA) R31 1 1x45xC[...]

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) 0.0001 0.01 0.001 0.1 Output Dela y Time tP(ms) t PLH t PHL 100 1[...]

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. Input Voltage to R3111xxxxA is unequal to Input Voltage to CPU R 3 111 x x x x A Series V DD GND OUT R V DD RESET CPU GND V DD 470 k Ω R31 1 1xxxx A Series V DD GND OUT R V DD RESE[...]

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 Open Drain Output) R 3 111 x x x x A Series GND V DD Rb V DD C Ra OUT + Adjusted Detector Threshold = ( − V DET ) × (Ra + Rb)/Rb Hysteresis Voltage = [...]

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. Released volt age may also shift and delay time for star[...]

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. 2.5 –0.1 +0.4 0.7 TAPING SPECIFICATION RF RR ±1.0 0.3 12.7 12.7 φ 4.0±0.2 6.0±0.5 ± 9.0±0.5 [...]

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)/0.3W = 333 ° C/W 0 50 100 25 75 85 125 150 0 200 100 300 400 500 Free Air Ambient Temperature ( ° C) Power Diss[...]

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 ± 0.1 4.0 + 0.25 − 0.35 0.1 S S Bottom View TAPING SPECIFICATION (T1: Standard Type) T1 12 ± 0.3[...]

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. This specification is based on the mea surement at the condition below: Measurement Conditions Standard Land Pattern Environment Mounting on Board (Wind velocity=0m/s) B[...]

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 2.0Max. 0.3–0.1 4.0–0.1 2.0–0.05 4.0–0.1 3.3 3.2 8.0–0.3 1.75–0.1 3.5–0.05[...]

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.) Measurement Conditions Stand[...]

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) 2.0MAX. 0.3 ± 0.1 4.0 ± 0.1 2.0 ± 0.05 4.0 ± 0.1 3.3 3.2 8.0 ± 0.3 1.75 ± 0[...]

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.) Measurement Conditions Standard L[...]

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 2.0 ± 0.05 4.0 ± 0.1 0.2 ± 0.1 +0.1 0 2.2 4.0 ± 0.1 1.6MAX. 3.5 ± 0.05 8.0 ± 0.3 [...]

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. This specification is based on the measurement at the condition below: Measurement Conditions Standard Land Pattern Environment Mounting on Board (Wind velocity=0m/s) Boa[...]

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 1.75 1.1 ± 0.1 3.5 ± 0.05 8.0 ± 0.3 1.75 ± 0.1 2.0 ± 0.05 4.0 ± 0.1 0.25 ± 0.1 1.1MAX. TR User[...]

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. This specification is based on the measurement at the condition below: Measurement Conditions Standard Land Pattern Environment Mounting on Board (Wind velocity=0m/s) [...]

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. − V DE T = 3.0V → 30 8 : Output Type: Nch → A, CMOS → C 9 to 12 : Lot Number[...]

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. Prod uct Code Product Code Prod uct Code Product Code Product Code Part Number 1 2 3 4 Part Number 1 2 3 4 Part Number 1 2 3 4 Part Number 1 2 3 4 R3[...]

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. Prod uct Code Product Code Product Code Product Code Product Code Part Number 1 2 Part Number 1 2 Part Number 1 2 Part Number 1 2 R3111N091A 9 A [...]

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. Produ ct Code) 3 , 4 : Lot Number • Part Number vs. Prod uct Code Product Code Product Code Product Code Prod uct Code Part Number 1 2 Part Number 1 2 Part Number 1 2 Part Number 1 2 R3111N092A A [...]

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. Prod uct Code Product Code Product Code Product Code Product Code Part Number 1 2 Part Number 1 2 Part Number 1 2 Part Number 1 2 R3111Q091A K 9 R3111Q481A P 8[...]

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. Prod uct Code Product Code Product Code Product Co de Product Code Part Number 1 2 3 4 Part Number 1 234 Part Number 1 2 3 4 Part Number 1 2 3 4 R3111D09[...]