MCP121T-300E/TT

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	80 ms Minimum
Voltage - Threshold:	2.93V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23-3
Base Part Number:	MCP121

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MCP121T-300E/TT is a family of high precision, low power, single-channel digital temperature supervision products optimized for low power battery-powered and portable applications. It offers an accurate temperature supervisor solution in a small SOT-23-6 package. This device is designed to monitor temperatures of sensors, CPU cores and other devices in a system. It provides an on-chip voltage supervisor for monitoring a voltage for going above or below two thresholds, a power fail detector that drives the reset pin logic low when the Vdd drops below 1.9V and an overtemperature protection block that has an internal overtemperature protection function with hysteresis.The MCP121T-300E/TT has an operating voltage range of 2.8V to 5.5V and a wide temperature range of -40°C to +125°C. Furthermore, it provides an adjustable trip point comparator with a negative edge detection, a power failure detect at 1.9V with push/pull output, a watchdog timer with programmable timeout delay, and adjustable over-temperature detection with programmable hysteresis. The MCP121T-300E/TT also provides a reset control circuit that drives the reset pin logic low when the VDD drops below 1.9V and the watchdog timer times out or detects an over-temperature condition from the thermistor input. It also provides analog-to-digital conversion when used with an external thermistor for temperature sensing and calibration.The MCP121T-300E/TT offers a number of advantages over traditional temperature monitoring systems. Its integrated temperature detection and control circuitry reduces the total system cost, increases thermal accuracy, minimizes power loss, and simplifies peripheral components. Its on-chip voltage supervisor ensures continuous operation of the system in case of power interruption, and its integrated reset control circuit provides an easy way to monitor system power. The MCP121T-300E/TT is ideal for applications such as battery-powered hand-held devices, communications equipment, medical instrumentation, and other applications where low power consumption and accurate temperature monitoring are desired. It provides a reliable and stable temperature monitoring solution while allowing system designers to reduce system power consumption and cost.

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