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  Microchip Technology Semiconductor Electronic Components Datasheet  


MCP103

(MCP102 - MCP131) Micropower Voltage Supervisors


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MCP103 pdf
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MCP102/103/121/131
Micropower Voltage Supervisors
Features
Package Types
• Ultra low supply current: 1.75 µA (steady state max.)
SOT23-3/SC-70
TO-92
• Precision monitoring options of:
- 1.90V, 2.32V, 2.63V, 2.93V, 3.08V, 4.38V
and 4.63V
RST 1
• Resets microcontroller in a power-loss event
• RST pin (Active-low):
- MCP121: Active-low, open-drain
- MCP131: Active-low, open-drain with internal
pull-up resistor
- MCP102 and MCP103: Active-low, push-pull
VDD 2
3 VSS
RST
VDD VSS
SOT23-3/SC-70
• Reset Delay Timer (120 ms delay typical)
• Available in SOT23-3, TO-92 and SC70 packages
VSS 1
• Temperature Range:
- Extended: -40°C to +125°C
(except MCP1XX-195)
- Industrial: -40°C to +85°C (MCP1XX-195 only)
RST 2
3 VDD
• Lead Free Packaging
Applications
DataSheet4U.com
Block Diagram
• Critical Microcontroller and Microprocessor Power
Monitoring Applications
• Computers
VDD
R (1)
• Intelligent Instruments
Comparator
• Portable Battery-Powered Equipment
General Description
+ Reset Output
Delay Driver
Circuit
RST
The MCP102/103/121/131 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.
Band Gap
Reference
VSS Note 1: MCP131 Only
TABLE 1: DEVICE FEATURES
Device
Output
Reset Package Pin Out
Type Pull-up Resistor Delay (typ) (Pin # 1, 2, 3)
Comment
MCP102 Push-Pull No
120 ms
MCP103 Push-Pull No
120 ms
MCP121 Open-Drain External
120 ms
MCP131 Open-Drain Internal (~95 k) 120 ms
MCP111 Open-Drain External
No
MCP112 Push-Pull No
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No
RST, VDD, VSS
VSS, RST, VDD
RST, VDD, VSS
RST, VDD, VSS
VOUT, VSS, VDD
VOUT, VSS, VDD
See MCP111/112 Data Sheet
(DS21889)
See MCP111/112 Data Sheet
(DS21889)
DataShee
2004 Microchip Technology Inc.
DataSheet4 U .com
DataSheet4U.com
DS-21906A-page 1



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MCP103 pdf
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MCP102/103/121/131
et4U.com
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 w.r.t. VSS . . . . . –0.6V to (VDD + 1.0V)
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 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.
DC CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, all limits are specified for:
VDD = 1V to 5.5V, RPU = 100 k(MCP121 only), TA = -40°C to +125°C.
Parameters
Sym Min Typ Max
Units
Conditions
Operating Voltage Range
Specified VDD Value to RST low
Operating Current
MCP102,
MCP103,
VDD
VDD
IDD
1.0
1.0
— 5.5 V
— V IRST = 10 uA, VRST < 0.2V
< 1 1.75 µA Reset Power-up Timer (tRPU) Inactive
MCP121
MCP131
— — 20.0 µA Reset Power-up Timer (tRPU) Active
IDD — < 1 1.75 µA VDD > VTRIP and Reset Power-up
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Timer (tRPU) Inactive
— — 75 µA VDD < VTRIP and Reset Power-up
Timer (tRPU) Inactive (Note 3)
— — 90 µA Reset Power-up Timer (tRPU) Active
(Note 4)
VDD Trip Point
MCP1XX-195
MCP1XX-240
VTRIP
1.872
1.853
2.285
2.262
1.900
1.900
2.320
2.320
1.929
1.948
2.355
2.378
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-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: Trip point is ±1.5% from typical value.
2: Trip point is ±2.5% from typical value.
3: RST output is forced low. There is a current through the internal pull-up resistor.
4: This includes the current through the internal pull-up resistor and the reset power-up timer.
DataSheet4U.com
DS-21906A-page 2
DataSheet4 U .com
2004 Microchip Technology Inc.
DataSheet4U.com
DataShee



Part Number MCP103
Description (MCP102 - MCP131) Micropower Voltage Supervisors
Maker Microchip Technology - Microchip Technology
Total Page 24 Pages
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