MCP131X/2X
Voltage Supervisor
Features:
• Low Supply Current: 1 µA (Typical),10 µA (Max.)
• Precision Monitoring Trip Point Options:
- 2.9V and 4.6V (Standard Offerings)
- 2.0V to 4.7V in 100 mV Increments,
(Contact the local Microchip Sales Office)
• Resets Microcontroller in a Power-loss Event
• Reset Delay Time-Out Option:
- 1.4 ms, 30 ms, 200 ms, or 1.6s (Typical)
• Watchdog Timer Input Time-Out Options:
- 6.3 ms, 102 ms, 1.6s, or 25.6s (Typical)
• Manual Reset (MR) Input (Active-low)
• Single and Complementary Reset Output(s)
• Reset Output Options:
- Push-Pull (Active-high or Active-low)
- Open-Drain (Internal or External Pull-up)
• Temperature Range:
- -40°C to +85°C for Trip Points 2.0 to 2.4V and,
- -40°C to + 125°C for Trip Points > 2.5V
• Voltage Range: 1.0V to 5.5V
• Lead Free Packaging
Package Types
SOT-23-5
MCP1316/16M/20
MCP1317
RST
V
SS
MR
1
2
3
5
V
DD
RST
V
SS
1
2
3
5
V
DD
4
WDI
MR
4
WDI
MCP1318/18M/21
MCP1319/19M/22
RST
V
SS
RST
1
2
3
5
V
DD
RST
V
SS
1
2
3
5
V
DD
4
WDI
RST
4
MR
Block Diagram
V
DD
Comparator
+
–
Reference
Voltage
Noise Filter
V
SS
Watchdog
Output
Driver
RST
RST
Description:
The MCP131X/2X are voltage supervisor devices
designed to keep a microcontroller in Reset until the
system voltage has reached and stabilized at the
proper level for reliable system operation. The table
below shows the available features for these devices.
MR
WDI
Note:
Features available depend on the device.
Device Features
Reset Output A
Device
Type
MCP1316
MCP1316M
MCP1317
MCP1318
MCP1318M
MCP1319
MCP1319M
MCP1320
MCP1321
MCP1322
Push-Pull
Open-Drain
Push-Pull
Push-Pull
Open-Drain
Push-Pull
Open-Drain
Open-Drain
Open-Drain
Open-Drain
Pull-up
Resistor
—
Internal
—
—
Internal
—
Internal
External
External
External
Active
Level
Low
Low
High
Low
Low
Low
Low
Low
Low
Low
Reset Output B
Type
—
—
—
Push-Pull
Push-Pull
Push-Pull
Push-Pull
—
Push-Pull
Push-Pull
Pull-up
Resistor
—
—
—
—
—
—
—
—
—
—
Active
Level
—
—
—
High
High
High
High
—
High
High
WDI Input
MR Input
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
No
Yes
2005-2012 Microchip Technology Inc.
DS21985D-page 1
MCP131X/2X
NOTES:
DS21985D-page 2
2005-2012 Microchip Technology Inc.
MCP131X/2X
1.0
ELECTRICAL
CHARACTERISTICS
† Notice:
Stresses above those listed under “Maximum Rat-
ings” may cause permanent damage to the device. This is a
stress rating only and functional operation of the device at
those or any other conditions above those indicated in the
operational listings of this specification is not implied. Expo-
sure to maximum rating conditions for extended periods may
affect device reliability.
Absolute Maximum Ratings†
Supply Voltage (V
DD
to V
SS
) . . . . . . . . . . . . . . . . . . . . . . 7.0V
Input current (V
DD
) . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 mA
Output current (RST) . . . . . . . . . . . . . . . . . . . . . . . . . .10 mA
Voltage on all inputs and outputs, except Open-Drain RST
(with no internal pull-up resistor), w.r.t. V
SS
. .-0.6V to (V
DD
+
1.0V)
Voltage on Open-Drain RST
(with no internal pull-up resistor) w.r.t. V
SS
. . -0.6V to 13.5V
Storage temperature . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Ambient temp. with power applied . . . . . . . .-40°C to +125°C
Maximum Junction temp. with power applied . . . . . . . +150°C
Power Dissipation (T
A
+70°C):
5-Pin SOT-23A .......................................................240 mW
ESD protection on all pins
4 kV
DC CHARACTERISTICS
Electrical Specifications:
Unless otherwise indicated, all limits are specified for V
DD
= 1V to 5.5V, R
PU
= 100 k
(only
MCP1320, MCP1321
and
MCP1322),
T
A
= -40°C to +125°C.
Parameters
Operating Voltage Range
Specified V
DD
Value to V
OUT
Low
Operating Current:
Sym
V
DD
V
DD
I
DD
Min
1.0
1.0
—
—
—
—
Note 1:
2:
3:
4:
Typ
—
—
5
1
1
5
Max
5.5
—
10
2
2
10
Units
V
V
µA
µA
µA
µA
I
RST
= 10 µA, V
RST
< 0.3V
Watchdog Timer Active
Watchdog Timer Inactive
V
DD
< V
TRIP
Reset Delay Timer Active
Conditions
5:
6:
Trip point is ±1.5% from typical value.
Trip point is ±2.5% from typical value.
Hysteresis is minimum = 1%, maximum = 6% at +25°C.
This specification allows this device to be used in PIC
®
microcontroller applications that require the In-
Circuit Serial Programming™ (ICSP™) feature (see device-specific programming specifications for
voltage requirements). The total time that the RST pin can be above the maximum device operational
voltage (5.5V) is 100s. Current into the RST pin should be limited to 2 mA. It is recommended that the
device operational temperature be maintained between 0°C to +70°C (+25°C preferred). For additional
information, refer to
Figure 2-35.
This parameter is established by characterization and is not 100% tested.
Custom ordered voltage trip point; minimum order volume requirement. Information available upon request.
2005-2012 Microchip Technology Inc.
DS21985D-page 3
MCP131X/2X
DC CHARACTERISTICS (CONTINUED)
Electrical Specifications:
Unless otherwise indicated, all limits are specified for V
DD
= 1V to 5.5V, R
PU
= 100 k
(only
MCP1320, MCP1321
and
MCP1322),
T
A
= -40°C to +125°C.
Parameters
V
DD
Trip Point
MCP13XX-20
(Note
6)
MCP13XX-21
(Note
6)
MCP13XX-22
(Note
6)
MCP13XX-23
(Note
6)
MCP13XX-24
(Note
6)
MCP13XX-25
(Note
6)
MCP13XX-26
(Note
6)
MCP13XX-27
(Note
6)
MCP13XX-28
(Note
6)
MCP13XX-29
Sym
V
TRIP
Min
1.970
1.950
2.069
2.048
2.167
2.145
2.266
2.243
2.364
2.340
2.463
2.438
2.561
2.535
2.660
2.633
2.758
2.730
2.857
2.828
MCP13XX-30
(Note
6)
MCP13XX-31
(Note
6)
MCP13XX-32
(Note
6)
MCP13XX-33
(Note
6)
Note 1:
2:
3:
4:
2.955
2.925
3.054
3.023
3.152
3.120
3.251
3.218
Typ
2.00
2.00
2.10
2.10
2.20
2.20
2.30
2.30
2.40
2.40
2.50
2.50
2.60
2.60
2.70
2.70
2.80
2.80
2.90
2.90
3.00
3.00
3.10
3.10
3.20
3.20
3.30
3.30
Max
2.030
2.050
2.132
2.153
2.233
2.255
2.335
2.358
2.436
2.460
2.538
2.563
2.639
2.665
2.741
2.768
2.842
2.870
2.944
2.973
3.045
3.075
3.147
3.178
3.248
3.280
3.350
3.383
Units
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
Conditions
T
A
= +25°C
(Note
1)
T
A
= -40°C to +85°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +85°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +85°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +85°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +85°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
5:
6:
Trip point is ±1.5% from typical value.
Trip point is ±2.5% from typical value.
Hysteresis is minimum = 1%, maximum = 6% at +25°C.
This specification allows this device to be used in PIC
®
microcontroller applications that require the In-
Circuit Serial Programming™ (ICSP™) feature (see device-specific programming specifications for
voltage requirements). The total time that the RST pin can be above the maximum device operational
voltage (5.5V) is 100s. Current into the RST pin should be limited to 2 mA. It is recommended that the
device operational temperature be maintained between 0°C to +70°C (+25°C preferred). For additional
information, refer to
Figure 2-35.
This parameter is established by characterization and is not 100% tested.
Custom ordered voltage trip point; minimum order volume requirement. Information available upon request.
DS21985D-page 4
2005-2012 Microchip Technology Inc.
MCP131X/2X
DC CHARACTERISTICS (CONTINUED)
Electrical Specifications:
Unless otherwise indicated, all limits are specified for V
DD
= 1V to 5.5V, R
PU
= 100 k
(only
MCP1320, MCP1321
and
MCP1322),
T
A
= -40°C to +125°C.
Parameters
V
DD
Trip Point (Con’t)
MCP13XX-34
(Note
6)
MCP13XX-35
(Note
6)
MCP13XX-36
(Note
6)
MCP13XX-37
(Note
6)
MCP13XX-38
(Note
6)
MCP13XX-39
(Note
6)
MCP13XX-40
(Note
6)
MCP13XX-41
(Note
6)
MCP13XX-42
(Note
6)
MCP13XX-43
(Note
6)
MCP13XX-44
(Note
6)
MCP13XX-45
(Note
6)
MCP13XX-46
Sym
V
TRIP
Min
3.349
3.315
3.448
3.413
3.546
3.510
3.645
3.608
3.743
3.705
3.842
3.803
3.940
3.900
4.039
3.998
4.137
4.095
4.236
4.193
4.334
4.290
4.433
4.388
4.531
4.485
MCP13XX-47
(Note
6)
V
DD
Trip Point Tempco
Note 1:
2:
3:
4:
T
TPCO
Typ
3.40
3.40
3.50
3.50
3.60
3.60
3.70
3.70
3.80
3.80
3.90
3.90
4.00
4.00
4.10
4.10
4.20
4.20
4.30
4.30
4.40
4.40
4.50
4.50
4.60
4.60
4.70
4.70
±40
Max
3.451
3.385
3.553
3.588
3.654
3.690
3.756
3.793
3.857
3.895
3.959
3.998
4.060
4.100
4.162
4.203
4.263
4.305
4.365
4.408
4.466
4.510
4.568
4.613
4.669
4.715
4.771
4.818
—
Units
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
ppm/°C
Conditions
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
T
A
= +25°C
(Note
1)
T
A
= -40°C to +125°C
(Note
2)
4.630
4.583
—
5:
6:
Trip point is ±1.5% from typical value.
Trip point is ±2.5% from typical value.
Hysteresis is minimum = 1%, maximum = 6% at +25°C.
This specification allows this device to be used in PIC
®
microcontroller applications that require the In-
Circuit Serial Programming™ (ICSP™) feature (see device-specific programming specifications for
voltage requirements). The total time that the RST pin can be above the maximum device operational
voltage (5.5V) is 100s. Current into the RST pin should be limited to 2 mA. It is recommended that the
device operational temperature be maintained between 0°C to +70°C (+25°C preferred). For additional
information, refer to
Figure 2-35.
This parameter is established by characterization and is not 100% tested.
Custom ordered voltage trip point; minimum order volume requirement. Information available upon request.
2005-2012 Microchip Technology Inc.
DS21985D-page 5
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