MCP102/103/121/131
Micropower Voltage Supervisors
Features: General Description: Ultra-Low Supply Current: 1.75 ВµA
(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 Internal 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: -40В°C to +125В°C
(except MCP1XX-195)
-Industrial: -40В°C to +85В°C (MCP1XX-195 only) Pb-free Devices 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 RST 1 VDD 2 3 VSS RST VDD VSS SOT-23/SC70 Applications: VSS 1
MCP103 Critical Microcontroller and Microprocessor
Power-monitoring Applications Computers Intelligent Instruments Portable Battery-powered Equipment TO-92 MCP102/121/131 SOT-23/SC70 RST 3 VDD 2 Block Diagram
VDD
R (1)
Comparator
+ …