MCP121-240E/TO

Product Overview

Category

The MCP121-240E/TO belongs to the category of voltage supervisors and reset ICs.

Use

It is used to monitor the power supply voltage level and provide a reset signal to the microcontroller or other digital systems in the event of a power failure or voltage drop.

Characteristics

• Voltage Monitoring: Monitors the power supply voltage.
• Reset Signal: Provides a reset signal to connected systems.
• Low Power Consumption: Operates with low power consumption.
• Small Package: Available in a compact TO-92 package.

Package

The MCP121-240E/TO is available in a TO-92 package.

Essence

The essence of the MCP121-240E/TO lies in its ability to ensure reliable operation of digital systems by monitoring the power supply voltage and providing a reset signal when necessary.

Packaging/Quantity

The MCP121-240E/TO is typically packaged in reels with a quantity of 1000 units per reel.

Specifications

• Input Voltage Range: 2.63V to 5.5V
• Reset Threshold Voltage: 4.63V
• Reset Timeout Period: 140ms (min)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP121-240E/TO has a standard TO-92 pin configuration with three pins: 1. VDD: Input voltage 2. GND: Ground 3. RESET: Reset output

Functional Features

• Voltage Monitoring: Constantly monitors the input voltage.
• Reset Output: Provides a reset signal when the input voltage falls below the threshold.
• Low Power Consumption: Consumes minimal power during operation.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring
• Low power consumption
• Compact package size

Disadvantages

• Limited reset timeout period
• Single voltage threshold

Working Principles

The MCP121-240E/TO operates by comparing the input voltage with the preset threshold. When the input voltage falls below the threshold, it generates a reset signal to ensure the proper functioning of connected digital systems.

Detailed Application Field Plans

The MCP121-240E/TO is commonly used in applications such as: - Microcontroller-based systems - Industrial control systems - Automotive electronics - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models to the MCP121-240E/TO include: - MAX809 - ADM811 - TPS3808

In summary, the MCP121-240E/TO is a voltage supervisor and reset IC that offers reliable voltage monitoring, low power consumption, and a compact package size. It is commonly used in various digital systems to ensure stable operation in the event of power supply fluctuations.

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