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  Microchip Technology Semiconductor Electronic Components Datasheet  

MCP103 Datasheet

(MCP102 - MCP131) Micropower Voltage Supervisors

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MCP102/103/121/131
Micropower Voltage Supervisors
Features:
• Ultra-Low Supply Current: 1.75 µA
(steady-state maximum)
• Precision Monitoring Options of:
- 1.90V, 2.32V, 2.63V, 2.93V, 3.08V, 4.38V and
4.63V
• Resets Microcontroller in a Power-Loss Event
• RST Pin (active-low):
- MCP121: Active-low, Open-drain
- MCP131: Active-low, Open-drain with Inter-
nal Pull-up Resistor
- MCP102 and MCP103: Active-low, Push-pull
• Reset Delay Timer (120 ms delay, typical)
• Available in SOT-23, TO-92 and SC70 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 MCP102/103/121/131 devices 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. Table 1 shows the available features for
these devices.
Package Types
SOT-23/SC70
TO-92
RST 1
VDD 2
3 VSS
RST
VDD VSS
SOT-23/SC70
VSS 1
3 VDD
RST 2
Block Diagram
VDD
Comparator
+ Reset
Delay
Circuit
Output
Driver
R (1)
RST
Band Gap
Reference
VSS Note: MCP131 only
2004-2014 Microchip Technology Inc.
DS20001906D-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

MCP103 Datasheet

(MCP102 - MCP131) Micropower Voltage Supervisors

No Preview Available !

MCP102/103/121/131
TABLE 1: DEVICE FEATURES
Device
Output
Type Pull-up Resistor
Reset
Delay
(typ)
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
No
Package Pinout
(Pin # 1, 2, 3)
Comment
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)
DS20001906D-page 2
2004-2014 Microchip Technology Inc.


Part Number MCP103
Description (MCP102 - MCP131) Micropower Voltage Supervisors
Maker Microchip Technology
Total Page 28 Pages
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