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  Microchip Technology Semiconductor Electronic Components Datasheet  


MCP111

Micropower Voltage Detector



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MCP111 pdf
MCP111/112
Micropower Voltage Detector
Features
• Ultra-Low Supply Current: 1.75 µA (Max.)
• Precision Monitoring Options Of:
- 1.90V, 2.32V, 2.63V, 2.90V, 2.93V, 3.08V,
4.38V and 4.63V
• Resets Microcontroller in a Power-Loss Event
• Active-Low VOUT Pin:
- MCP111 Active-Low, Open-Drain
- MCP112 Active-Low, Push-Pull
• Available in SOT23-3, TO-92, SC-70 and
SOT-89-3 Packages
• Temperature Range:
- Extended: -40°C to +125°C
(except MCP1XX-195)
- Industrial: -40°C to +85°C (MCP1XX-195 Only)
• Pb-Free Devices
Applications
• Critical Microcontroller and Microprocessor
Power-Monitoring Applications
• Computers
• Intelligent Instruments
• Portable Battery-Powered Equipment
General Description
The MCP111/112 are voltage-detecting devices
designed to keep a microcontroller in reset until the
system voltage has stabilized at the appropriate level
for reliable system operation. These devices also
operate as protection from brown-out conditions when
the system supply voltage drops below the specified
threshold voltage level. Eight different trip voltages are
available.
DEVICE FEATURES
Device
Type
Output
Reset Delay
Pull-up Resistor
(typ.)
MCP111
MCP112
MCP102
Open-drain
Push-pull
Push-pull
External
No
No
No
No
120 ms
MCP103 Push-pull
No
120 ms
MCP121 Open-drain
External
120 ms
MCP131 Open-Drain Internal (~95 k)
120 ms
Package Types
3-Pin SOT23-3/SC-70
VOUT 1
3 VDD
3-Pin SOT-89
VDD
MCP111/112
VSS 2
1 23
VOUT VDD VSS
3-Pin TO-92
VOUT VDD VSS
Block Diagram
VDD
Comparator
+
Output VOUT
Driver
Band Gap
Reference
VSS
SOT-23/SC70
Package Pin Out
(Pin # 1, 2, 3)
VOUT, VSS, VDD
VOUT, VSS, VDD
RST, VDD, VSS
VSS, RST, VDD
RST, VDD, VSS
RST, VDD, VSS
Comment
See MCP102/103/121/131 Data Sheet
(DS20001906)
See MCP102/103/121/131 Data Sheet
(DS20001906)
See MCP102/103/121/131 Data Sheet
(DS20001906)
See MCP102/103/121/131 Data Sheet
(DS20001906)
2004-2016 Microchip Technology Inc.
DS20001889F-page 1



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MCP111 pdf
MCP111/112
1.0 ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings†
VDD...................................................................................7.0V
Input current (VDD) .......................................................10 mA
Output current (RST) ....................................................10 mA
Rated Rise Time of VDD .............................................100V/µs
All inputs and outputs (except RST) w.r.t. VSS
.............................................................. -0.6V to (VDD + 1.0V)
RST output w.r.t. VSS ....................................... -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
ESD protection on all pins 2 kV
† Notice: Stresses above those listed under “Maximum
Ratings” 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.
Exposure to maximum rating conditions for extended periods
may affect device reliability.
DC CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, all limits are specified for VDD = 1V to 5.5V, RPU = 100 k(only MCP111),
TA = -40°C to +125°C.
Parameters
Symbol
Min.
Typ. Max. Units
Conditions
Operating Voltage Range
Specified VDD Value to VOUT low
Operating Current
VDD Trip Point
MCP1XX-195
VDD
VDD
IDD
VTRIP
MCP1XX-240
1.0
1.0
1.872
1.853
2.285
2.262
<1
1.900
1.900
2.320
2.320
5.5
1.75
1.929
1.948
2.355
2.378
V
V I RST = 10 µA, V RST < 0.2V
µA
V TA = +25°C (Note 1)
V TA = -40°C to +85°C (Note 2)
V TA = +25°C (Note 1)
V Note 2
MCP1XX-270
2.591
2.564
2.630
2.630
2.670
2.696
V TA = +25°C (Note 1)
V Note 2
MCP1XX-290
2.857
2.828
2.900
2.900
2.944
2.973
V TA = +25°C (Note 1)
V Note 2
MCP1XX-300
2.886
2.857
2.930
2.930
2.974
3.003
V TA = +25°C (Note 1)
V Note 2
MCP1XX-315
3.034
3.003
3.080
3.080
3.126
3.157
V TA = +25°C (Note 1)
V Note 2
MCP1XX-450
4.314
4.271
4.380
4.380
4.446
4.490
V TA = +25°C (Note 1)
V Note 2
MCP1XX-475
4.561
4.514
4.630
4.630
4.700
4.746
V TA = +25°C (Note 1)
V Note 2
VDD Trip Point Tempco
TTPCO
±100
— ppm/°
C
Note 1:
2:
3:
4:
Trip point is ±1.5% from typical value.
Trip point is ±2.5% from typical value.
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). This
specification DOES NOT allow a continuous high voltage to be present on the open-drain output pin (VOUT). The total
time that the VOUT pin can be above the maximum device operational voltage (5.5V) is 100 sec. Current into the VOUT
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, please refer to Figure 2-28.
This parameter is established by characterization and is not 100% tested.
DS20001889F-page 2
2004-2016 Microchip Technology Inc.



Part Number MCP111
Description Micropower Voltage Detector
Maker Microchip Technology - Microchip Technology
Total Page 30 Pages
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