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MCP103

Microchip Technology
Part Number MCP103
Manufacturer Microchip Technology
Description Micropower Voltage Supervisors
Published Aug 4, 2006
Detailed Description MCP102/103/121/131 Micropower Voltage Supervisors Features • Passes Automotive AEC-Q100 Reliability Testing • Ultra-Low...
Datasheet PDF File MCP103 PDF File

MCP103
MCP103

Overview
MCP102/103/121/131 Micropower Voltage Supervisors Features • Passes Automotive AEC-Q100 Reliability Testing • 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 MCP102/121/131 RST 1 VDD 2 3 VSS RST VDD VSS SOT-23/SC70 VSS 1 3 VDD MCP103 RST 2 Block Diagram VDD Comparator + Reset – Delay Circuit Output Driver R (1) RST Band Gap Reference VSS Note: MCP131 only  2004-2023 Microchip Technology Inc.
and its subsidiaries DS20001906E-page 1 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 kΩ) 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) DS20001906E-pag...


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