R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N SERIES
Low Voltage Detector with Built-in Delay Circuit
NO.EA-073-160315
OUTLINE
R3130N/R3131N Series are CMOS-based low voltage detector ICs with built-in delay circuit, high Detector
Threshold accuracy and ultra low supply current which can be operated at low voltage.
These ICs can be used as system reset generator, and each of these ICs consists of a voltage reference, a
comparator, resistors for setting voltage detector threshold, an output driver transistor, and an output delay
generator.
Detector threshold is fixed internally with high accuracy and requires no adjustment. When Supply Voltage
crosses a setting detector threshold voltage from a high value to a lower value, this IC generates reset signal.
R3130N Series output “L” at detection mode, while R3131N Series output “H”.
Further, each of R3130N/R3131N Series embeds an output delay generator, when Supply Voltage crosses a
setting detector threshold voltage from a low value to a higher value, during a setting delay time which is fixed in
the IC, this IC keeps the reset condition. Output Delay Time can be selected. (Typ. 240ms is standard.)
Two output types, Nch open drain type and CMOS type, are available.
Since the package for these ICs is SOT23-3 (Mini-mold) package, high density mounting of the ICs on board
is possible.
FEATURES
Pin to Pin compatible with MAX 809/810 (R3130Nxxxx: MAX 809, R3131Nxxxx: MAX 810)
Ultra-low supply Current .................................................... Typ. 1.25A (R313xN27xx: VDD3.0V)
Operating Voltage Range .................................................. 1.0V to 6.0V (Topt25C)
Detector Threshold.............................................................. Setting with a step of 0.1V in the range of 1.6V to
4.8V is possible.
Embedded Power on Reset Delay Time Circuit ................ Delay Time can be designated.
Refer to Selection Guide.
High Accuracy Detector Threshold ..................................... 1.5%
High Accuracy Output Delay Time ...................................... 10.0%
Low Temperature-Drift Coefficient of Detector Threshold ... Typ. 100ppm/C
Two Output Types ............................................................... Nch Open Drain and CMOS
Small Package .................................................................... SOT-23-3
APPLICATIONS
CPU & Logic Circuit Reset
Battery Checker
Window Comparator
Wave Shaping Circuit
Battery Back-Up Circuit
Power Failure Detector
1
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
BLOCK DIAGRAMS
R3130NxxxA
Nch Open Drain Output
R3130NxxxC
CMOS Output
VDD
VDD
+
Delay
Circuit
OUT
+
Vref
GND
R3131NxxxA
Nch Open Drain Output
R3131NxxxC
CMOS Output
VDD
VDD
+
Delay
Circuit
OUT
+
Vref
2
OUT
Vref
GND
GND
Delay
Circuit
Vref
GND
Delay
Circuit
OUT
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
TIMING CHART
Supply
Voltage
(VDD)
Detector
Threshold
VDET
Supply
Voltage
(VDD)
Minimum Operating
Voltage
VSS
Detector
Threshold
VDET
Minimum Operating
Voltage
VSS
Output Voltage
Output Voltage
VSS
VSS
Tdelay
Tdelay
R3130N Operation Diagram
R3131N Operation Diagram
Output Delay Operation
Output Delay Time, or Tdelay is specified as follows:
1. In the case of Nch open drain output:
The time interval from rising edge of VDD pulse (1.0V(VDET)1.0V) to the time at which the output reaches
2.5V under the condition that the output pin (OUT) is pulled up to 5V through a 470k resistor.
2. In the case of CMOS output
The time interval from rising edge of VDD pulse (1.0V(VDET)1.0V) to the time at which the output reaches
VDD/2.
VDET+1.0V
VDET+1.0V
Input Voltage
(VDD)
Input Voltage
(VDD)
1.0V
1.0V
GND
GND
5.0V
VDET+1.0V
Output Voltage
Output Voltage
2.5V
(VDET+1.0V)/2
GND
GND
Trst
Tdelay
Nch Open Drain Output
Trst
Tdelay
CMOS Output
3
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
SELECTION GUIDE
The detector threshold, the output type for the ICs can be selected at the users’ request.
Quantity per
Product Name
Package
Pb Free
Reel
Halogen Free
R3130Nxx$(y)-TR-FE
SOT-23-3
3,000 pcs
Yes
Yes
R3131Nxx$(y)-TR-FE
SOT-23-3
3,000 pcs
Yes
Yes
xx : The detector threshold can be designated in the range from 1.6V(16) to 4.8V(48) in 0.1V steps.
y: If the detector threshold includes the 3rd digit, indicate the digit of 0.01V.
(Example) If the detector threshold is 2.63V, R3130N26$3-TR-FE
The following 6 kinds of voltage are standard products. 2.63V, 2.93V, 3.08V, 4.0V, 4.4V, 4.65V.
$ : Designation of Output Delay Time
(A) 50ms (Only for standard products)
(B) 100ms
(D) 200ms
(E) 240ms
(H) 400ms
: Designation of Output Type
(A) Nch Open Drain
(C) CMOS
PIN CONFIGURATION
SOT-23-3
3
(mark side)
1
2
PIN DESCRIPTION
4
Pin No
Symbol
Description
1
GND
Ground Pin
2
OUT
Output Pin
R3130N
R3131N
3
VDD
Input Pin
: Output “L” at detection mode, Output “H” at release mode
: Output “H” at detection mode, Output “L” at release mode
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
ABSOLUTE MAXIMUM RATINGS
Symbol
Item
Rating
Unit
6.5
V
VDD
Supply Voltage
VOUT
Output Voltage
IOUT
Output Current
20
mA
PD
Power Dissipation
150
mW
CMOS
VSS0.3 to VDD0.3
V
Nch
VSS0.3 to 6.5
V
Topt
Operating Temperature Range
40 to 85
C
Tstg
Storage Temperature Range
55 to 125
C
Soldering Temperature
260C, 10s
Tsolder
ABSOLUTE MAXIMUM RATINGS
Electronic and mechanical stress momentarily exceeded absolute maximum ratings may cause the
permanent damages and may degrade the life time and safety for both device and system using the device
in the field.
The functional operation at or over these absolute maximum ratings is not assured.
RECOMMENDED OPERATING CONDITIONS (ELECTRICAL CHARACTERISTICS)
All of electronic equipment should be designed that the mounted semiconductor devices operate within the
recommended operating conditions. The semiconductor devices cannot operate normally over the
recommended operating conditions, even if when they are used over such conditions by momentary
electronic noise or surge. And the semiconductor devices may receive serious damage when they continue
to operate over the recommended operating conditions.
ELECTRICAL CHARACTERISTICS
R3130N26xx3-TR
[Topt25C]
Symbol
Item
VDDH
Maximum Operating Voltage
VDDL 1
Minimum Operating Voltage
Conditions
Min.
IOL50A
2.591
Typ.
Max.
Unit
6.0
V
0.75
1.00
V
2.630
2.669
V
VDET
Detector Threshold
ISS1
Supply Current1
VDD6.00V
1.40
5.00
A
ISS2
Supply Current2
VDD2.73V
1.25
4.00
A
ISS3
Supply Current3
VDD2.53V
1.10
3.50
A
VOH
“H” Output Voltage
VDD2.73V, IOUT500A
VOL
“L” Output Voltage
VDD2.53V, IOUT1.2Ma
0.8VDD
V
0.93VDD
0.16
0.30
V
Tdelay 2 Output Delay Time for release Refer to electrical characteristics by Output Delay Time for release
VDET/
Topt
Detector Threshold
Temperature Coefficient
40C
Topt
85C
100
ppm/C
5
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
R3130N29xx3-TR
[Topt25C]
Symbol
Item
VDDH
Maximum Operating Voltage
VDDL 1
Minimum Operating Voltage
Conditions
Min.
IOL50A
2.887
Typ.
Max.
Unit
6.0
V
0.75
1.00
V
2.930
2.973
V
VDET
Detector Threshold
ISS1
Supply Current1
VDD6.00V
1.40
5.00
A
ISS2
Supply Current2
VDD3.03V
1.25
4.00
A
ISS3
Supply Current3
VDD2.83V
1.10
3.50
A
VOH
“H” Output Voltage
VDD3.03V, IOUT500A
VOL
“L” Output Voltage
VDD2.83V, IOUT1.2mA
V
0.8VDD 0.93VDD
0.16
0.30
V
Tdelay 2 Output Delay Time for release Refer to electrical characteristics by Output Delay Time for release
VDET/
Topt
Detector Threshold
Temperature Coefficient
40C
Topt
85C
100
ppm/C
R3130N30xx8-TR
[Topt25C]
Symbol
VDDH
VDDL
Conditions
Min.
Typ.
Max.
Unit
6.0
V
0.75
1.00
V
3.080
3.126
V
Maximum Operating Voltage
1
Minimum Operating Voltage
IOL50A
VDET
Detector Threshold
ISS1
Supply Current1
VDD6.00V
1.40
5.00
A
ISS2
Supply Current2
VDD3.18V
1.25
4.00
A
ISS3
Supply Current3
VDD2.98V
1.10
3.50
A
VOH
“H” Output Voltage
VDD3.18V, IOUT500A
“L” Output Voltage
VDD2.98V, IOUT1.2mA
VOL
Tdelay
2
VDET/
Topt
6
Item
3.034
V
0.8VDD 0.93VDD
0.16
0.30
V
Output Delay Time for release Refer to electrical characteristics by Output Delay Time for release
Detector Threshold
Temperature Coefficient
40C
Topt
85C
100
ppm/°C
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
R3130N40xx-TR
[Topt25C]
Symbol
Item
VDDH
Maximum Operating Voltage
VDDL 1
Minimum Operating Voltage
Min.
IOL50A
Max.
Unit
6.0
V
0.75
1.00
V
4.000
4.060
V
Detector Threshold
ISS1
Supply Current1
VDD6.00V
1.40
5.00
A
ISS2
Supply Current2
VDD4.10V
1.30
4.00
A
ISS3
Supply Current3
VDD3.90V
1.15
3.50
A
VOH
“H” Output Voltage
VDD4.10V, IOUT800A
VOL
“L” Output Voltage
VDD3.90V, IOUT3.2mA
VDET/
Topt
Detector Threshold
Temperature Coefficient
3.940
Typ.
VDET
Tdelay 2 Output Delay Time for release
Conditions
0.8VDD
V
0.95VDD
0.18
0.40
V
Refer to electrical characteristics by Output Delay Time for release
40C
Topt
85C
100
ppm/C
R3130N44xx-TR
[Topt25C]
Symbol
Item
VDDH
Maximum Operating Voltage
VDDL 1
Minimum Operating Voltage
Conditions
Min.
IOL50A
Max.
Unit
6.0
V
0.75
1.00
V
4.400
4.466
V
VDET
Detector Threshold
ISS1
Supply Current1
VDD6.00V
1.40
5.00
A
ISS2
Supply Current2
VDD4.50V
1.30
4.00
A
ISS3
Supply Current3
VDD4.30V
1.15
3.50
A
VOH
“H” Output Voltage
VDD4.50V, IOUT800A
VOL
“L” Output Voltage
VDD4.30V, IOUT3.2mA
Tdelay 2 Output Delay Time for release
VDET/
Topt
Detector Threshold
Temperature Coefficient
4.334
Typ.
0.8VDD
V
0.95VDD
0.18
0.40
V
Refer to electrical characteristics by Output Delay Time for release
40C
Topt
85C
100
ppm/C
7
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
R3130N46xx5-TR
[Topt25C]
Symbol
Item
VDDH
Maximum Operating Voltage
VDDL
1
Min.
IOL50A
Max.
Unit
6.0
V
0.75
1.00
V
4.650
4.719
V
Detector Threshold
ISS1
Supply Current1
VDD6.00V
1.40
5.00
A
ISS2
Supply Current2
VDD4.75V
1.30
4.00
A
ISS3
Supply Current3
VDD4.55V
1.15
3.50
A
VOH
“H” Output Voltage
VDD4.75V, IOUT800A
“L” Output Voltage
VDD4.55V, IOUT3.2mA
Tdelay
2
VDET/
Topt
4.581
Typ.
VDET
VOL
Minimum Operating Voltage
Conditions
0.8VDD
V
0.95VDD
0.18
0.40
V
Output Delay Time for release Refer to electrical characteristics by Output Delay Time for release
Detector Threshold
Temperature Coefficient
40C
Topt
85C
100
ppm/C
R3131N26xx3-TR
[Topt25C]
Symbol
Item
VDDH
Maximum Operating Voltage
VDDL 3
Min.
CMOS
IOH10A
Output
Nch Open
VDS6.5V
Drain Output
Max.
Unit
6.0
V
0.90
1.00
V
2.630
2.669
V
Detector Threshold
ISS1
Supply Current1
VDD6.00V
1.40
5.00
A
ISS2
Supply Current2
VDD2.73V
1.25
4.00
A
ISS3
Supply Current3
VDD2.53V
1.10
3.50
A
VOH
“H” Output Voltage
VDD2.73V, IOUT500A
“L” Output Voltage
VDD2.53V, IOUT1.2mA
Tdelay
2
VDET/
Topt
2.591
Typ.
VDET
VOL
8
Minimum Operating Voltage
Conditions
0.8VDD
V
0.93VDD
0.16
0.30
V
Output Delay Time for release Refer to electrical characteristics by Output Delay Time for release
Detector Threshold
Temperature Coefficient
40C
Topt
85C
100
ppm/C
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
R3131N29xx3-TR
[Topt25C]
Symbol
VDDH
VDDL
Conditions
Min.
Typ.
Max.
Unit
6.0
V
0.90
1.00
V
2.930
2.973
V
Maximum Operating Voltage
3
Minimum Operating Voltage
CMOS
Output
Nch Open
Drain Output
IOH10A
VDS6.5V
VDET
Detector Threshold
ISS1
Supply Current1
VDD6.00V
1.40
5.00
A
ISS2
Supply Current2
VDD3.03V
1.25
4.00
A
ISS3
Supply Current3
VDD2.83V
1.10
3.50
A
VOH
“H” Output Voltage
VDD2.83V, IOUT500A
“L” Output Voltage
VDD3.03V, IOUT1.2mA
VOL
Tdelay
2
VDET/
Topt
Item
2.887
V
0.8VDD 0.93VDD
0.16
0.30
V
Output Delay Time for release Refer to electrical characteristics by Output Delay Time for release
Detector Threshold
Temperature Coefficient
40C
Topt
85C
100
ppm/C
R3131N30xx8-TR
[Topt25C]
Symbol
VDDH
VDDL 3
Item
Conditions
Min.
Typ.
Max.
Unit
6.0
V
0.90
1.00
V
3.080
3.126
V
Maximum Operating Voltage
Minimum Operating Voltage
CMOS
Output
Nch Open
Drain Output
IOH10A
VDS6.5V
VDET
Detector Threshold
3.034
ISS1
Supply Current1
VDD6.00V
1.40
5.00
A
ISS2
Supply Current2
VDD3.18V
1.25
4.00
A
ISS3
Supply Current3
VDD2.98V
1.10
3.50
A
VOH
“H” Output Voltage
VDD2.98V, IOUT500A
VOL
“L” Output Voltage
VDD3.18V, IOUT1.2mA
V
0.8VDD 0.93VDD
0.16
0.30
V
Tdelay 2 Output Delay Time for release Refer to electrical characteristics by Output Delay Time for release
VDET/
Topt
Detector Threshold
Temperature Coefficient
40C
Topt
85C
100
ppm/C
9
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
R3131N40xx-TR
[Topt25C]
Symbol
VDDH
VDDL
Conditions
Min.
Typ.
Max.
Unit
6.0
V
0.90
1.00
V
4.000
4.060
V
Maximum Operating Voltage
3
Minimum Operating Voltage
CMOS
Output
Nch Open
Drain Output
IOH10A
VDS6.5V
VDET
Detector Threshold
ISS1
Supply Current1
VDD6.00V
1.40
5.00
A
ISS2
Supply Current2
VDD3.90V
1.30
4.00
A
ISS3
Supply Current3
VDD4.10V
1.15
3.50
A
VOH
“H” Output Voltag
VDD3.90V, IOUT800A
“L” Output Voltage
VDD4.10V, IOUT3.2mA
Output Delay Time for release
Refer to electrical characteristics by Output Delay Time for release
Detector Threshold
Temperature Coefficient
40C
VOL
Tdelay
2
VDET/
Topt
Item
3.940
0.8VDD
0.18
Topt
85C
V
0.95VDD
0.40
100
V
ppm/C
R3131N44xx-TR
[Topt25C]
Symbol
VDDH
VDDL 3
Item
Min.
Typ.
Max.
Unit
6.0
V
0.90
1.00
V
4.400
4.466
V
Maximum Operating Voltage
Minimum Operating Voltage
CMOS
Output
Nch Open
Drain Output
IOH10A
VDS6.5V
VDET
Detector Threshold
ISS1
Supply Current1
VDD6.00V
1.40
5.00
A
ISS2
Supply Current2
VDD4.50V
1.30
4.00
A
ISS3
Supply Current3
VDD4.30V
1.15
3.50
A
VOH
“H” Output Voltage
VDD4.30V, IOUT800A
VOL
“L” Output Voltage
VDD4.50V, IOUT3.2mA
Tdelay 2 Output Delay Time for release
VDET/
Topt
10
Conditions
Detector Threshold
Temperature Coefficient
4.334
0.8VDD
V
0.95VDD
0.18
0.40
V
Refer to electrical characteristics by Output Delay Time for release
40C
Topt
85C
100
ppm/C
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
R3131N46xx5-TR
[Topt25C]
Symbol
VDDH
VDDL
Item
Conditions
Min.
Typ.
Max.
Unit
6.0
V
0.90
1.00
V
4.650
4.719
V
Maximum Operating Voltage
3
Minimum Operating Voltag
CMOS
Output
Nch Open
Drain Output
IOH10A
VDS6.5V
VDET
Detector Threshold
ISS1
Supply Current1
VDD6.00V
1.40
5.00
A
ISS2
Supply Current2
VDD4.75V
1.30
4.00
A
ISS3
Supply Current3
VDD4.55V
1.15
3.50
A
VOH
“H” Output Voltage
VDD4.55V, IOUT800A
“L” Output Voltage
VDD4.75V, IOUT3.2mA
Output Delay Time for release
Refer to electrical characteristics by Output Delay Time for release
Detector Threshold
Temperature Coefficient
40C
VOL
Tdelay
VDET/
Topt
2
4.581
0.8VDD
V
0.95VDD
0.18
Topt
85C
0.40
100
V
ppm/C
1) Supply Voltage when Output Voltage becomes equal or less than 0.3V. (As for Nch Open Drain Output
type, pull-up resistor is 470k, pull-up voltage is 5.0V.
2) Time interval of rising edge of VDD which is set from 1.0V to VDET1.0V, and the point of which Output
voltage reaches to 50% of final voltage.
3) CMOS Output type; Supply Voltage when Output Voltage becomes equal or more than 0.8VDD.
Nch Open Drain type; Supply Voltage when off leakage current becomes equal or less than 0.1A.
ELECTRICAL CHARACTERISTICS BY OUTPUT DELAY TIME
[Topt25C]
Part Number
Test Condition
Output Delay Time (Tdelay)
Min.
Typ.
Max.
R313xNxxAx
45
50
55
R313xNxxBx
90
100
110
180
200
220
R313xNxxEx
216
240
264
R313xNxxHx
360
400
440
R313xNxxDx
VDD1.0V to VDET1.0V
Unit
ms
11
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
ELECTRICAL CHARACTERISTICS BY DETECTOR THRESHOLD
R3130N16EA/C to R3130N48EA/C
Detector Threshold
Supply Current 1
Supply Current 2
Supply Current 3
VDET (V)
ISS1 (A)
ISS2 (A)
ISS3 (A)
Part Number
12
Min.
Typ.
Max.
R3130N16EA/C
1.576
1.600
1.624
R3130N17EA/C
1.675
1.700
1.725
R3130N18EA/C
1.773
1.800
1.827
R3130N19EA/C
1.872
1.900
1.928
R3130N20EA/C
1.970
2.000
2.030
R3130N21EA/C
2.069
2.100
2.131
R3130N22EA/C
2.167
2.200
2.233
R3130N23EA/C
2.266
2.300
2.334
R3130N24EA/C
2.364
2.400
2.436
R3130N25EA/C
2.463
2.500
2.537
R3130N26EA/C
2.561
2.600
2.639
R3130N27EA/C
2.660
2.700
2.740
R3130N28EA/C
2.758
2.800
2.842
R3130N29EA/C
2.857
2.900
2.943
R3130N30EA/C
2.955
3.000
3.045
R3130N31EA/C
3.054
3.100
3.146
R3130N32EA/C
3.152
3.200
3.248
R3130N33EA/C
3.251
3.300
3.349
R3130N34EA/C
3.349
3.400
3.451
R3130N35EA/C
3.448
3.500
3.552
R3130N36EA/C
3.546
3.600
3.654
R3130N37EA/C
3.645
3.700
3.755
R3130N38EA/C
3.743
3.800
3.857
R3130N39EA/C
3.842
3.900
3.958
R3130N40EA/C
3.940
4.000
4.060
R3130N41EA/C
4.039
4.100
4.161
R3130N42EA/C
4.137
4.200
4.263
R3130N43EA/C
4.236
4.300
4.364
R3130N44EA/C
4.334
4.400
4.466
R3130N45EA/C
4.433
4.500
4.567
R3130N46EA/C
4.531
4.600
4.669
R3130N47EA/C
4.630
4.700
4.770
R3130N48EA/C
4.728
4.800
4.872
Condition
VDD6.0V
Typ.
1.40
Max.
5.00
Condition
Typ.
Max.
Condition
Typ.
1.20
1.00
1.25
1.10
VDDVDET
0.1V
4.00
1.30
VDDVDET
0.1V
Max.
3.50
1.15
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
Topt25C
“H” Output Voltage
“L” Output Voltage
Minimum
Operating
Voltage
Output Delay Time
Detector Threshold
Temperature Coefficient
VOH (V)
VOL (V)
VDDL (V)
Tdelay (ms)
VDET/Topt
(ppm/C)
Condition
Min.
Typ.
VDDVDET
0.1V
IOH=
150A
0.80
VDD
0.95
VDD
VDD=VDET
+0.1V
IOH
500A
VDDVDET
0.1V
IOH
800A
0.80
VDD
0.80
VDD
Condition
Typ.
Max.
VDDVDET
0.1V,
IOL1.2mA
0.16
0.30
Typ.
Max.
Min.
Typ.
Max.
Condition
Typ.
1
0.75
1
1.00
216
240
264
40C
Topt
85C
100
0.93
VDD
0.95
VDD
VDDVDET
0.1V,
IOL3.2mA
0.18
0.40
1describes VDD Voltage when Output Voltage becomes equal or less than 0.3V.
13
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
R3131N16EA/C to R3131N48EA/C
Detector Threshold
Supply Current 1
Supply Current 2
Supply Current 3
VDET (V)
ISS1 (A)
ISS2 (A)
ISS3 (A)
Part Number
14
Min.
Typ.
Max.
R3131N16EA/C
1.576
1.600
1.624
R3131N17EA/C
1.675
1.700
1.725
R3131N18EA/C
1.773
1.800
1.827
R3131N19EA/C
1.872
1.900
1.928
R3131N20EA/C
1.970
2.000
2.030
R3131N21EA/C
2.069
2.100
2.131
R3131N22EA/C
2.167
2.200
2.233
R3131N23EA/C
2.266
2.300
2.334
R3131N24EA/C
2.364
2.400
2.436
R3131N25EA/C
2.463
2.500
2.537
R3131N26EA/C
2.561
2.600
2.639
R3131N27EA/C
2.660
2.700
2.740
R3131N28EA/C
2.758
2.800
2.842
R3131N29EA/C
2.857
2.900
2.943
R3131N30EA/C
2.955
3.000
3.045
R3131N31EA/C
3.054
3.100
3.146
R3131N32EA/C
3.152
3.200
3.248
R3131N33EA/C
3.251
3.300
3.349
R3131N34EA/C
3.349
3.400
3.451
R3131N35EA/C
3.448
3.500
3.552
R3131N36EA/C
3.546
3.600
3.654
R3131N37EA/C
3.645
3.700
3.755
R3131N38EA/C
3.743
3.800
3.857
R3131N39EA/C
3.842
3.900
3.958
R3131N40EA/C
3.940
4.000
4.060
R3131N41EA/C
4.039
4.100
4.161
R3131N42EA/C
4.137
4.200
4.263
R3131N43EA/C
4.236
4.300
4.364
R3131N44EA/C
4.334
4.400
4.466
R3131N45EA/C
4.433
4.500
4.567
R3131N46EA/C
4.531
4.600
4.669
R3131N47EA/C
4.630
4.700
4.770
R3131N48EA/C
4.728
4.800
4.872
Condition
VDD6.0V
Typ.
1.40
Max.
5.00
Condition
Typ.
Max.
Condition
Typ.
1.20
1.00
1.25
1.10
VDDVDET
0.1V
4.00
1.30
VDDVDET
0.1V
Max.
3.50
1.15
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
Topt25C
“H” Output Voltage
“L” Output Voltage
Minimum
Operating
Voltage
Output Delay Time
Detector Threshold
Temperature Coefficient
VOH (V)
VOL (V)
VDDL (V)
Tdelay (ms)
VDET/Topt
(ppm/C)
Condition
Min.
Typ.
VDDVDET
0.1V
IOH
150A
0.80
VDD
0.95
VDD
VDDVDET
0.1V
IOH
500A
VDDVDET
0.1V
IOH
800A
0.80
VDD
0.80
VDD
Condition
Typ.
Max.
VDDVDET
0.1V,
IOL1.2mA
0.16
0.30
Typ.
Max.
Min.
Typ.
Max.
Condition
Typ
2
0.90
2
1.00
216
240
264
40C
Topt
85C
100
0.93
VDD
0.95
VDD
VDDVDET
0.1V,
IOL3.2mA
0.18
0.40
2 CMOS Output Type; describes VDD voltage when Output Voltage becomes equal or more than VDD0.8V
Nch Open Drain Output Type; describes VDD voltage when Off-leakage Current becomes equal or less than 0.1A.
15
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
OPERATION
Operation of R3130N Series
VDD
Ra
Pch
+
Delay
Circuit
-
OUT
Comparator
Vref
Rb
CMOS output type
OUT pin is connected to the drain of
Nch Tr. and Pch Tr. in this IC.
Nch open drain output type
OUT pin is connected to the drain of
Nch Tr. in this IC. (OUT pin should be
pulled up to VDD or an external voltage
level.)
Nch
GND
Block Diagram
1
2
3
4
5
B
Supply
Voltage
(VDD)
A
Detector Threshold(VDET)
=Released Voltage
Minimum Operating
Voltage(VDDL)
GND
Output
Voltage
(OUT)
Tdelay
GND
Operating Diagram
In the above diagram,
Output voltage becomes equal to supply voltage (Nch open drain output Type; equal to pull-up Voltage).
When supply voltage is down to the detector threshold level (Point A), Vref
VDD Rb/(RaRb) is true. Then,
Output of the comparator is reversed, thus output voltage becomes equal to GND level.
When supply voltage is lower than minimum operating voltage, output of transistor is indefinite, therefore
output is also indefinite.
Output voltage is equal to GND level.
When supply voltage is higher than released voltage (Point B), Vref
VDD Rb/(RaRb) is true. Then output
of the comparator is reversed, thus output voltage becomes equal to supply voltage (Nch open drain output
type; equal to pull-up voltage).
There is no hysteresis range between detector threshold and released voltage.
16
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
Operation of R3131N Series
VDD
Ra
Pch
+
Delay
Circuit
-
OUT
Comparator
Vref
Rb
CMOS output type
OUT pin is connected to the drain of
Nch Tr. and Pch Tr. in this IC.
Nch open drain output type: I
OUT pin is connected to the drain of
Nch Tr. in this IC. (OUT pin should be
pulled up to VDD or an external voltage
level.)
Nch
GND
Block Diagram
1
2
3
4
5
B
Supply
Voltage
(VDD)
A
Detector Threshold(VDET)
=Released Voltage
Minimum Operating
Voltage(VDDL)
GND
Output
Voltage
(OUT)
Tdelay
GND
Operation Diagram
In the above diagram,
Output voltage becomes equal to GND level.
When supply voltage is down to the detector threshold level (Point A), Vref
VDD Rb/(RaRb) is true. Then,
output of the comparator is reversed, thus output voltage becomes equal to supply voltage (Nch open drain
output type; equal to pull-up Voltage).
When supply voltage is lower than minimum operating voltage, Output of transistor is indefinite, therefore
output is also indefinite.(Nch open drain output type; Output voltage level is equal to pull-up voltage.)
Output voltage is equal to supply voltage. (Nch open drain output type; equal to pull-up voltage.)
When supply voltage is higher than released voltage (Point B), Vref
VDD Rb/(RaRb) is true. Then output
of the comparator is reversed, thus output voltage becomes equal to GND level after the output delay time.
There is no hysteresis range between detector threshold and released voltage.
17
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
TEST CIRCUITS
ISS
5V
VDD
VDD
R313xN
Series
VIN
470kΩ
VIN
OUT
R313xN
Series
GND
GND
Test Circuit for Supply Current
Test Circuit for Detector Threshold
(CMOS Output type; pull-up part is not necessary.)
VDD
VIN
VDD
OUT
R313xN
Series
VOUT
OUT
VIN
VOH
R313xN
Series
OUT
VOL
V
V
GND
GND
IOUT
Test Circuit for “H” Output Voltage
(CMOS Output Type only)
IOUT
Test Circuit for “L” Output Voltage
(VDET)+1.0V
Input
Voltage
VDD
GND
Ioz
VIN
R313xN
Series
GND
VDD
1.0V
Output
Voltage
OUT
100%
VIN
R3130N Series
50%
VDS
GND
R313xN
Series
VOUT
OUT
GND
R3131N Series
Tdelay
Test Circuit for Off Leakage Current
18
Test Circuit for Output Delay Time
(CMOS Output type; pull-up is not necessary.)
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
TYPICAL CHARACTERISTICS
1) Supply Current vs. Input Voltage
R3131N26xx3
R3131N29xx3
2.0
1.6
Topt=85°C
25°C
Supply Current ISS[μA]
Supply Current ISS[μA]
2.0
1.2
-40°C
0.8
0.4
0.0
0
1
2
3
4
5
25°C
1.2
-40°C
0.8
0.4
0.0
6
Topt=85°C
1.6
0
1
2
Input Voltage VIN[V]
1.6
25°C
Supply Current ISS[μA]
Supply Current ISS[μA]
6
2.0
Topt=85°C
1.2
-40°C
0.8
0.4
0
1
2
3
4
5
Topt=85°C
1.2
-40°C
0.8
0.4
0.0
6
25°C
1.6
0
1
2
Input Voltage VIN[V]
3
4
5
6
Input Voltage VIN[V]
R3131N44xx
R3131N46xx5
2.0
2.0
Topt=85°C
1.6
Supply Current ISS[μA]
Supply Current ISS[μA]
5
R3131N40xx
2.0
25°C
1.2
-40°C
0.8
0.4
0.0
4
Input Voltage VIN[V]
R3131N30xx8
0.0
3
0
1
2
3
4
Input Voltage VIN[V]
5
6
Topt=85°C
1.6
25°C
1.2
-40°C
0.8
0.4
0.0
0
1
2
3
4
5
6
Input Voltage VIN[V]
19
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
2) Detector Threshold vs. Temperature
R3130N26xx3
R3130N29xx3
2.99
Detector Threshold -VDET[V]
Detector Threshold -VDET[V]
2.67
2.65
2.63
2.61
2.59
2.57
-50
-25
0
25
50
75
100
2.97
2.95
2.93
2.91
2.89
2.87
-50
-25
Temperature Topt[°C]
R3130N30xx8
Detector Threshold -VDET[V]
Detector Threshold -VDET[V]
3.09
3.07
3.05
3.03
-25
0
25
50
75
100
100
75
100
75
100
4.06
4.04
4.02
4.00
3.98
3.96
3.94
3.92
-50
-25
0
25
50
Temperature Topt[°C]
R3130N44xx
R3130N46xx5
4.45
4.69
Detector Threshold -VDET[V]
Detector Threshold -VDET[V]
75
R3130N40xx
Temperature Topt[°C]
4.43
4.41
4.39
4.37
4.35
4.33
4.31
-25
0
25
50
Temperature Topt[°C]
20
50
4.08
3.11
4.29
-50
25
Temperature Topt[°C]
3.13
3.01
-50
0
75
100
4.67
4.65
4.63
4.61
4.59
4.57
4.55
4.53
-50
-25
0
25
50
Temperature Topt[°C]
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
3) Nch Driver Output Current vs. VDS
R3130N26xx3
R3130N29xx3
10
VDD=2.0V
Nch Driver Output Current
IOUT[mA]
Nch Driver Output Current
IOUT[mA]
10
8
6
4
2
1.0V
0
0.0
0.5
1.0
1.5
2.0
VDD=2.0V
8
6
4
2
1.0V
0
0.0
0.5
1.0
R3130N30xx8
R3130N40xx
20
Nch Driver Output Current
IOUT[mA]
Nch Driver Output Current
IOUT[mA]
10
VDD=2.0V
8
6
4
2
1.0V
0
0.0
0.5
1.0
1.5
2.0
VDD=3.0V
15
10
2.0V
5
1.0V
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
VDS[V]
VDS[V]
R3130N44xx
R3130N46xx5
20
20
3.0V
VDD=4.0V
Nch Driver Output Current
IOUT[mA]
Nch Driver Output Current
IOUT[mA]
2.0
VDS[V]
VDS[V]
15
10
2.0V
5
1.0V
0
0.0
1.5
0.5
1.0
1.5
VDS[V]
2.0
2.5
3.0
3.0V
VDD=4.0V
15
10
2.0V
5
1.0V
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
VDS[V]
21
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
R3131N26xx3
R3131N29xx3
20
4.0V
6.0V
Nch Driver Output Current
IOUT[mA]
Nch Driver Output Current
IOUT[mA]
20
VDD=3.0V
15
10
5.0V
5
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
4.0V
6.0V
VDD=3.0V
15
5.0V
10
5
0
0.0
0.5
1.0
VDS[V]
VDD=4.0V
15
5.0V
10
5
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
6.0V
0
0.0
0.5
1.0
VDS[V]
22
Nch Driver Output Current
IOUT[mA]
Nch Driver Output Current
IOUT[mA]
5
1.5
1.5
2.0
2.5
3.0
R3131N46xx5
VDD=5.0V
1.0
3.0
5
20
10
0.5
2.5
10
VDS[V]
15
0
0.0
2.0
15
R3131N44xx
6.0V
3.0
VDD=5.0V
VDS[V]
20
2.5
R3131N40xx
20
Nch Driver Output Current
IOUT[mA]
Nch Driver Output Current
IOUT[mA]
6.0V
2.0
VDS[V]
R3131N30xx8
20
1.5
2.0
2.5
3.0
6.0V
VDD=5.0V
15
10
5
0
0.0
0.5
1.0
1.5
VDS[V]
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
10
9
8
7
6
5
4
3
2
1
0
R3130N29xx3
VDS=0.5V
Topt=-40°C
Nch Driver Output Current
IOUT[mA]
Nch Driver Output Current
IOUT[mA]
4) Nch Driver Output Current vs. Input Voltage
R3130N26xx3
25°C
85°C
0
0.5
1
1.5
2
2.5
3
10
9
8
7
6
5
4
3
2
1
0
VDS=0.5V
Topt=-40°C
25°C
85°C
0
0.5
R3130N30xx8
25°C
6
4
85°C
2
0.5
1
1.5
2
2.5
3
3.5
Topt=-40°C
25°C
8
6
85°C
4
2
0
0
1
VDS=0.5V
25°C
8
6
85°C
4
2
1
2
5
3
Input Voltage VIN[V]
4
5
VDS=0.5V
14
Nch Driver Output Current
IOUT[mA]
Nch Driver Output Current
IOUT[mA]
Topt=-40°C
0
4
R3130N46xx5
10
0
3
2
Input Voltage VIN[V]
R3130N44xx
12
3
10
Input Voltage VIN[V]
14
2.5
VDS=0.5V
12
Nch Driver Output Current
IOUT[mA]
Nch Driver Output Current
IOUT[mA]
Topt=-40°C
10
0
2
R3130N40xx
VDS=0.5V
12
0
1.5
Input Voltage VIN[V]
Input Voltage VIN[V]
8
1
Topt=-40°C
12
25°C
10
8
6
85°C
4
2
0
0
1
2
3
4
5
Input Voltage VIN[V]
23
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
R3131N26xx3
16
Topt=-40°C
14
25°C
12
10
8
85°C
6
4
2
0
0
1
2
3
4
5
VDS=0.5V
16
Nch Driver Output Current
IOUT[mA]
Nch Driver Output Current
IOUT[mA]
R3131N29xx3
VDS=0.5V
6
Topt=-40°C
25°C
14
12
10
8
85°C
6
4
2
0
0
1
Input Voltage VIN[V]
10
8
85°C
6
4
2
0
1
2
3
4
5
6
14
10
8
85°C
6
4
2
0
0
1
25°C
8
85°C
6
4
2
0
1
2
3
4
Input Voltage VIN[V]
24
4
5
6
5
6
VDS=0.5V
16
Nch Driver Output Current
IOUT[mA]
Nch Driver Output Current
IOUT[mA]
Topt=-40°C
10
0
3
R3131N46xx5
VDS=0.5V
12
2
Input Voltage VIN[V]
R3131N44xx
14
6
12
Input Voltage VIN[V]
16
5
VDS=0.5V
Topt=-40°C
25°C
16
Nch Driver Output Current
IOUT[mA]
Nch Driver Output Current
IOUT[mA]
12
0
4
R3131N40xx
VDS=0.5V
Topt=-40°C
25°C
14
3
Input Voltage VIN[V]
R3131N30xx8
16
2
Topt=-40°C
14
25°C
12
10
8
85°C
6
4
2
0
0
1
2
3
4
Input Voltage VIN[V]
5
6
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
5) Pch Driver Output Current vs. Input Voltage
R3130N26xx3
R3130N29xx3
12
VDS=-2.1V
10
Pch Driver Output Current
IOUT[mA]
Pch Driver Output Current
IOUT[mA]
12
-1.5V
8
-1.0V
6
4
-0.5V
2
0
0
1
2
3
4
5
6
VDS=-2.1V
10
-1.5V
8
-1.0V
6
4
-0.5V
2
0
0
1
R3130N30xx8
VDS=-2.1V
10
Pch Driver Output Current
IOUT[mA]
Pch Driver Output Current
IOUT[mA]
5
6
R3130N40xx
-1.5V
8
6
-1.0V
4
-0.5V
2
0
1
2
3
4
5
6
VDS=-2.1V
10
-1.5V
8
6
-1.0V
4
-0.5V
2
0
0
1
2
3
4
5
6
Input Voltage VIN[V]
Input Voltage VIN[V]
R3130N44xx
R3130N46xx5
12
12
VDS=-2.1V
10
Pch Driver Output Current
IOUT[mA]
Pch Driver Output Current
IOUT[mA]
4
12
12
-1.5V
8
6
-1.0V
4
-0.5V
2
0
3
Input Voltage VIN[V]
Input Voltage VIN[V]
0
2
0
1
2
3
4
Input Voltage VIN[V]
5
6
VDS=-2.1V
10
-1.5V
8
6
-1.0V
4
-0.5V
2
0
0
1
2
3
4
5
6
Input Voltage VIN[V]
25
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
R3131N26xx3
R3131N29xx3
5
VDS=-2.1V
-1.5V
3
-1.0V
2
-0.5V
1
0
0
0.5
1.5
1
2
2.5
VDS=-2.1V
Pch Driver Output Current
IOUT[mA]
Pch Driver Output Current
IOUT[mA]
4
4
-1.5V
3
-1.0V
2
-0.5V
1
0
3
0
Input Voltage VIN[V]
-1.5V
3
-1.0V
2
-0.5V
1
2
3
8
VDS=-2.1V
7
Pch Driver Output Current
IOUT[mA]
Pch Driver Output Current
IOUT[mA]
4
1
6
-1.5V
5
4
-1.0V
3
-0.5V
2
1
0
4
0
R3131N44xx
4
5
R3131N46xx5
10
VDS=-2.1V
8
-1.5V
6
-1.0V
4
-0.5V
2
0
1
2
3
Input Voltage VIN[V]
4
5
Pch Driver Output Current
IOUT[mA]
Pch Driver Output Current
IOUT[mA]
3
Input Voltage VIN[V]
10
26
2
1
Input Voltage VIN[V]
0
4
R3131N40xx
VDS=-2.1V
0
3
Input Voltage VIN[V]
R3131N30xx8
5
0
2
1
VDS=-2.1V
8
-1.5V
6
-1.0V
4
-0.5V
2
0
0
1
2
3
Input Voltage VIN[V]
4
5
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
50
40
30
20
10
0
-50
-25
0
25
50
75
100
R3131N29xx3
Output Delay Time at Detection
Mode
Trst[μs]
Output Delay Time at Detection
Mode
Trst[μs]
6) Output Delay Time at Detection Mode vs. Temperature
R3131N26xx3
50
40
30
20
10
0
-50
-25
40
30
20
10
0
25
50
75
100
30
20
10
50
Temperature Topt[°C]
75
100
Output Delay Time at Detection
Mode
Trst[μs]
Output Delay Time at Detection
Mode
Trst[μs]
100
75
100
30
20
10
0
-50
-25
0
25
50
R3131N46xx5
40
25
75
40
R3131N44xx
0
100
Temperature Topt[°C]
50
-25
75
50
Temperature Topt[°C]
0
-50
50
R3131N40xx
Output Delay Time at Detection
Mode
Trst[μs]
Output Delay Time at Detection
Mode
Trst[μs]
R3131N30xx8
50
-25
25
Temperature Topt[°C]
Temperature Topt[°C]
0
-50
0
50
40
30
20
10
0
-50
-25
0
25
50
Temperature Topt[°C]
27
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
7) Power-on Reset Delay Time vs. Temperature
R3131NxxAx
R3131NxxBx
140
65
55
45
35
-50
-25
0
25
50
75
100
Power-on Reset Delay Time
Tdelay[ms]
Power-on Reset Delay Time
Tdelay[ms]
75
120
100
80
60
-50
-25
Temperature Topt[°C]
R3131NxxDx
Power-on Reset Delay Time
Tdelay[ms]
Power-on Reset Delay Time
Tdelay[ms]
200
175
-25
0
25
50
75
100
100
75
100
R3131NxxHx
450
400
350
-25
0
25
50
Temperature Topt[°C]
320
280
240
200
-50
-25
0
25
50
Temperature Topt[°C]
500
Power-on Reset Delay Time
Tdelay[ms]
75
R3131NxxEx
Temperature Topt[°C]
28
50
360
225
300
-50
25
Temperature Topt[°C]
250
150
-50
0
75
100
R3130NxxB/D/H (SOT23-3) are the limited products and R3131N (SOT-23-3) is the discontinued product as of March, 2016.
R3130N/R3131N
TECHNICAL NOTES
When connecting resistors to the device’s input pin
When connecting a resistor (R1) to an input of this device, the input voltage decreases by [Device’s
Consumption Current] x [Resistance Value] only. And, the cross conduction current*1, which occurs when
changing from the detecting state to the release state, is decreased the input voltage by [Cross Conduction
Current] x [Resistance Value] only. And then, this device will enter the re-detecting state if the input voltage
reduction is larger than the difference between the detector voltage and the released voltage.
When the input resistance value is large and the VDD is gone up at mildly in the vicinity of the released voltage,
repeating the above operation may result in the occurrence of output.
As shown in Figure A/B, set R1 to become 100 kΩ or less as a guide, and connect CIN of 0.1 μF and more to
between the input pin and GND. Besides, make evaluations including temperature properties under the actual
usage condition, with using the evaluation board like this way. As a result, make sure that the cross conduction
current has no problem.
R1
R1
VDD
*2
CIN
Voltage
VDD
R2
CIN*2
OUT pin
Detector
GND
Figure A
Voltage
OUT pin
Detector
GND
Figure B
*1 In the CMOS output type, a charging current for OUT pin is included.
*2 Note the bias dependence of capacitors.
29
1. The products and the product specifications described in this document are subject to change or discontinuation of
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3. Please be sure to take any necessary formalities under relevant laws or regulations before exporting or otherwise
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4. The technical information described in this document shows typical characteristics of and example application circuits
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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
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7. Anti-radiation design is not implemented in the products described in this document.
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characteristics in the evaluation stage.
9. WLCSP products should be used in light shielded environments. The light exposure can influence functions and
characteristics of the products under operation or storage.
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case of recognizing the marking characteristic with AOI, please contact Ricoh sales or our distributor before attempting
to use AOI.
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the technical information.
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with a view to contributing to the protection of human health and the environment.
Ricoh has been providing RoHS compliant products since April 1, 2006 and Halogen-free products since
April 1, 2012.
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