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MCP102_14 Datasheet, PDF (1/28 Pages) Microchip Technology – 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
â
Delay
Circuit
Output
Driver
R (1)
RST
Band Gap
Reference
VSS Note: MCP131 only
ï£ 2004-2014 Microchip Technology Inc.
DS20001906D-page 1
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