R3112X RICOH [RICOH electronics devices division], R3112X Datasheet

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R3112X

Manufacturer Part Number
R3112X
Description
LOW VOLTAGE DETECTOR WITH OUTPUT DELAY
Manufacturer
RICOH [RICOH electronics devices division]
Datasheet
OUTLINE
supply current, which can be operated at an extremely low voltage and is used for system reset as an example.
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.
density mounting on boards is possible.
FEATURES
APPLICATIONS
LOW VOLTAGE DETECTOR WITH OUTPUT DELAY
The R3112x Series are CMOS-based voltage detector ICs with high detector threshold accuracy and ultra-low
Each of these ICs consists of a voltage reference unit, a comparator, resistor net for detector threshold setting,
Three types of packages, SOT-23-5, small SC-82AB, and ultra-small SON1612-6 can be selected so that high
• Built-in Output Delay Circuit............................................... Typ. 100ms with an external capacitor: 0.022µF
• Supply Current ................................................................... Typ. 0.5µA (R3112x271A/C, V
• Operating Voltage .............................................................. 0.7 to 6.0V(Topt=25°C)
• Detector Threshold............................................................. 0.9V to 5.0V
• High Accuracy Detector Threshold .................................... ±2.0%
• Low Temperature-Drift Coefficient of Detector Threshold
• Two Output Types .............................................................. Nch Open Drain and CMOS
• Packages ........................................................................... SOT-23-5(Mini-mold),SC-82AB, SON1612-6
• CPU and Logic Circuit Reset
• Battery Checker
• Window Comparator
• Wave Shaping Circuit
• Battery Back-up Circuit
• Power Failure Detector
...
R3112x SERIES
Typ. ±100ppm/°C
NO. EA-087-070112
DD
=2.6V)
1

Related parts for R3112X

R3112X Summary of contents

Page 1

... LOW VOLTAGE DETECTOR WITH OUTPUT DELAY 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 ...

Page 2

... BLOCK DIAGRAMS R3112xxx1A Vref 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; R3112xxx1x-xx-x ↑ ↑ ↑ ↑ ↑ Code ...

Page 3

... Output “H” at released voltage) Description Output Pin (Output “L” at detector threshold, Output “H” at released voltage) Ground Pin Pin for External Capacitor (for setting output delay) No Connection Ground Pin Voltage Supply Pin R3112x SON1612 ...

Page 4

... R3112x ABSOLUTE MAXIMUM RATINGS Symbol V Supply Voltage DD V Output Voltage (CMOS) OUT1 V Output Voltage (Nch) OUT2 I Output Current OUT Power Dissipation (SOT-23-5)* P Power Dissipation (SC-82AB)* D Power Dissipation (SON1612-6)* T Operating Temperature Range opt T Storage Temperature Range stg T Lead temperature (Soldering) solder * ) For Power Dissipation, please refer to PACKAGE INFORMATION to be described. ...

Page 5

... Nch =0.05V, V =0.70V =0.50V, V =0.85V Pch =−2.1V, V =4. =0.99V V DD =0.10V, V =0.70V =0.50V, V =0.85V −40°C < = < = Topt 85°C R3112x = Topt 25°C Min. Typ. Max. Unit 0.882 0.900 0.918 V 0.027 0.045 0.063 V 0.6 2.0 µ A 0.5 2.0 6.0 V 0.70 V 0.80 µA 10 120 0.05 0.90 mA 1.0 3 ...

Page 6

... R3112x • R3112x271A/C Symbol −V Detector Threshold DET V Detector Threshold Hysteresis HYS I Supply Current SS V Maximum Operating Voltage DDH V Minimum Operating Voltage DDL I Output Current (Driver Output Pin) OUT V CD pin Threshold Voltage TCD I CD pin Output Current CD R Output Delay Resistance D ∆ ...

Page 7

... Nch =0.05V,V =0.70V =0.50V,V =1.50V Pch =−2.1V,V =6. =5.50V V DD =0.1V, V =0. =0.5V, V =1. < = < = −40°C Topt 85°C R3112x = Topt 25°C Min. Typ. Max. Unit 4.900 5.000 5.100 V 0.150 0.250 0.350 V 1.5 3.0 µ A 0.6 2.5 6.0 V 0.7 V 0.8 µ 120 1.0 3.0 mA 1.5 4 ...

Page 8

... R3112x331A/C 3.234 3.300 3.366 0.099 0.165 0.231 R3112x341A/C 3.332 3.400 3.468 0.102 0.170 0.238 R3112x351A/C 3.430 3.500 3.570 0.105 0.175 0.245 R3112x361A/C 3.528 3.600 3.672 0.108 0.180 0.252 R3112x371A/C 3.626 3.700 3.774 0.111 0.185 0.259 R3112x381A/C 3.724 3.800 3.876 0.114 0.190 0.266 R3112x391A/C 3 ...

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... R [MΩ Condi- Condi- tion Min. Typ. Min. Typ. Max 0.5V 10 400 = V DD 0.85V = V DS 0.5V 50 450 = V DD 0.85V −40°C 70 3.25 6.5 13 0.5V 200 500 = V DD 1.5V R3112x Detector Threshold ∆−V / DET ∆Topt [ppm/°C] tion Typ. < = ±100 Topt < = 85°C 9 ...

Page 10

... R3112x OPERATION Current Source 1 Released Voltage +V DET Detector Threshold -V DET Supply Voltage Minimum Operating V DDL Voltge GND Output Voltage(OUT) GND 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), > ...

Page 11

... C D capacitor. Therefore, 6 =0.69×6.5×10 × Released Voltage (+V DET C Pin Threshold Voltage (V D GND GND Output Delay Time pin, charge to an external DD pin threshold voltage, output D (F) describes the capacitance value of an external D R3112x ) ) TCD Pin threshold voltage ...

Page 12

... R3112x TEST CIRCUITS ∗Pull-up circuit is not necessary for CMOS Output type, or R3112xxxxC R3112x V IN Supply Current Test Circuit V R3112x V IN GND Nch Driver Output Current Test Circuit C D R3112x Pin Threshold Test Circuit +V +2.0 or 0.6V DET Input Voltage 0.7V GND ...

Page 13

... ( DET -V DET 50 75 100 R3112x131x 1.5 1.2 Topt=85 0 0.6 -40 0 Input Voltage V (V) IN R3112x451x 2.0 1.6 1 Topt=85 0.8 0.4 - Input Voltage V (V) IN R3112x131x 1.42 1.40 1.38 +V 1.36 1.34 1.32 -V DET 1.30 1.28 1.26 -50 - Temperature Topt( C) R3112x DET 75 100 13 ...

Page 14

... 0.6 0.8 1 (V) IN pull 0.9 1.2 1.5 (V) IN R3112x451x 4.75 +V DET 4.70 4.65 4.60 4.55 -V DET 4.50 4.45 4.40 4.35 -50 - Temperature Topt( C) R3112x091A 5V pull up via 470k 6.0 Topt=- 3.0 2.0 1.0 0.0 0 0.2 0.4 0.6 0.8 Input Voltage V (V) IN R3112x131A 5V pull up via 470k 6.0 Topt=- 3.0 2.0 1.0 0.0 0 0.3 0.6 0.9 1.2 Input Voltage V (V) ...

Page 15

... DS pull up DD 2.0 2.5 3.0 (V) IN pull Topt= =0.85V DD 0.7V 0.6 0.8 1 R3112x271A 5V pull up via 470k 6.0 Topt=- 3.0 2.0 1.0 0.0 0.0 0.5 1.0 1.5 2.0 2.5 Input Voltage V (V) IN R3112x451A 5V pull up via 470k 6.0 Topt=- 3.0 2.0 1.0 0.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 Input Voltage V (V) IN R3112x131x Topt=25 2.5 V =1.0V DD 2.0 1.5 0.85V 1.0 0.5 0. 0.2 0.4 0.6 0.8 V (V) DS R3112x 3.0 4.5 5 ...

Page 16

... Topt=- 1.5 2 2.5 3 (V) IN R3112x451x Topt= =4. =3. =3. =2. 1. 0.5 1 1.5 2 2.5 3 3.5 V (V) DS R3112x131x 5 4 Topt=- 0.3 0.6 0.9 1.2 Input Voltage V (V) IN R3112x451x 5 Topt=- Input Voltage V ( 1.5 ...

Page 17

... IN V =0.99V DD 1.0 0.9 0.8 0.7 0.6 0.5 0 100 R3112x131C Topt= =-2. -1.5V 2 -1.0V 1 -0. Input Voltage V (V) IN R3112x451C Topt= =-2. -1.5V 2 -1.0V 1 -0. Input Voltage V (V) IN R3112x131x V =1.43V DD -50 - Temperature Topt( C) R3112x 100 17 ...

Page 18

... V =0.5V DS Topt=- 0.6 0 =0.5V DS Topt=- 1.5 2 2.5 3 (V) IN R3112x451x V =4.95V DD 2.9 2.8 2.7 2.6 2.5 2.4 2.3 -50 - Temperature Topt( C) R3112x131x V DS 1.0 0.8 Topt=-40 0.6 25 0 0.3 0.6 0.9 1.2 Input Voltage V (V) IN R3112x451x V =0.5V DS 1.0 0.8 Topt=- Input Voltage V (V) IN 100 =0. ...

Page 19

... Topt= =0.85V DD 0.7V 0.6 0.8 1 Topt= =2.5V DD 2.0V 1.5V 1.5 2 2.5 Topt=25 C 1000 t PHL 0.01 0.01 0 R3112x131x Topt=25 1.0 V =1.0V DD 0.9 0.8 0.7 0.6 0.5 0.85V 0.4 0.3 0.2 0.1 0. 0.2 0.4 0.6 0.8 V (V) DS R3112x451x Topt=25 4.5 V =4.0V DD 4.0 3.5 3.5V 3.0 2.5 2.5V 2.0 2.0V 1.5 1.5V 1.0 0.5 1. 0.5 1 1 (V) DS R3112x131x Topt=25 100 0.1 t PHL 0.0001 0.001 0.01 External Capacitance R3112x 3.0V 3 0.1 19 ...

Page 20

... 0.1 0.01 0.0001 0.001 External Capacitance C 11) Delay Circuit Resistance vs. Temperature R3112xxx1x -50 -25 0 Temperature Topt Topt= PHL 0.01 0 100 R3112x451x Topt=25 1000 100 0.1 t 0.01 0.0001 0.001 0.01 External Capacitance PHL 0.1 ...

Page 21

... 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 ...

Page 22

PACKAGE INFORMATION • SOT-23-5 (SC-74A) PACKAGE DIMENSIONS TAPING SPECIFICATION 2.0Max. TAPING REEL DIMENSIONS REUSE REEL (EIAJ-RRM-08Bc) (1reel=3000pcs) 2.9±0.2 1.9±0.2 (0.95) (0.95 0.4±0.1 +0.1 φ1.5 0 0.3±0.1 3.3 TR User Direction of Feed 2±0.5 21±0.8 PE-SOT-23-5-0610 ...

Page 23

PACKAGE INFORMATION POWER DISSIPATION (SOT-23-5) This specification is at mounted on board. Power Dissipation (P This specification is based on the measurement at the condition below: (Power Dissipation (SOT-23-5) is substitution of SOT-23-6.) Measurement Conditions Environment Board Material Board Dimensions ...

Page 24

PACKAGE INFORMATION • SC-82AB PACKAGE DIMENSIONS 0.3±0.1 TAPING SPECIFICATION 1.6MAX. TAPING REEL DIMENSIONS (1reel=3000pcs) 2±0.2 1.3±0.2 0.9±0.1 (0.7) 0.3±0 0.3±0.1 0.4±0.1 0.05 +0.1 4.0±0.1 ∅ 1.5 0.2±0.1 0 2.2 4.0±0.1 TR User Direction of Feed 11.4±1.0 ...

Page 25

PACKAGE INFORMATION POWER DISSIPATION (SC-82AB) This specification is at mounted on board. Power Dissipation (P This specification is based on the measurement at the condition below: Measurement Conditions Environment Board Material Board Dimensions Copper Ratio Through-hole Measurement Result Power Dissipation ...

Page 26

PACKAGE INFORMATION • SON1612-6 PACKAGE DIMENSIONS 1.6±0 0.08 TAPING SPECIFICATION TAPING REEL DIMENSIONS (1reel=4000pcs 0.125±0.055 0.22±0.05 0.08 M 4.0±0.1 1.5 +0.1 0 0.25±0.1 1.75 4.0±0.1 1.1MAX. TR User Direction of Feed 2±0.5 21±0.8 PE-SON1612-6-0510 0.5 0.3TYP. ...

Page 27

PACKAGE INFORMATION Power Dissipation (SON1612-6) This specification is at mounted on board. Power Dissipation (P ) depends on conditions of mounting on board. This specification is based on the D measurement at the condition below: Measurement Conditions Environment Board Material ...

Page 28

MARK INFORMATION R3112N SERIES MARK SPECIFICATION • SOT-23-5 (SC-74A • Part Number vs. Product Code Product Code Part Number Part Number R3112N091A R3112N301A R3112N101A 2 ...

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MARK INFORMATION R3112Q SERIES MARK SPECIFICATION • SC-82AB , • Part Number vs. Product Code Product Code Part Number Part Number 1 2 R3112Q091A A K R3112Q301A R3112Q101A B A R3112Q311A R3112Q111A B B R3112Q321A R3112Q121A B ...

Page 30

MARK INFORMATION R3112D SERIES MARK SPECIFICATION • SON1612 • Part Number vs. Product Code Product Code Part Number Part Number R3112D091A R3112D301A R3112D101A B ...

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