MCP120T-450I/SN

Product Overview

Category

The MCP120T-450I/SN belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and controlling the power supply voltage in electronic systems.

Characteristics

• Voltage threshold: 4.50V
• Accuracy: ±1%
• Low quiescent current: 5 µA (typical)
• Operating temperature range: -40°C to +85°C
• Power supply voltage range: 1.0V to 6.0V
• Reset timeout period: 140 ms (typical)

Package

The MCP120T-450I/SN is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the MCP120T-450I/SN is its ability to provide accurate voltage monitoring and reset generation in electronic systems.

Packaging/Quantity

This product is typically packaged in reels, with 2500 units per reel.

Specifications

• Supply Voltage Range: 1.0V to 6.0V
• Threshold Voltage: 4.50V
• Reset Timeout Period: 140 ms (typical)
• Quiescent Current: 5 µA (typical)
• Accuracy: ±1%
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC

Detailed Pin Configuration

The MCP120T-450I/SN has the following pin configuration:

1. VDD: Power supply input
2. GND: Ground reference
3. RESET: Active-low reset output

Functional Features

• Accurate voltage monitoring: The MCP120T-450I/SN ensures precise monitoring of the power supply voltage.
• Reset generation: It generates an active-low reset signal when the voltage falls below the threshold.
• Low quiescent current: The device consumes minimal current during operation, reducing power consumption.
• Wide operating temperature range: It can operate in extreme temperature conditions, ranging from -40°C to +85°C.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures system stability.
• Low quiescent current minimizes power consumption.
• Wide operating temperature range allows for versatile applications.

Disadvantages

• Fixed threshold voltage may not be suitable for all applications.
• Limited reset timeout period may not meet the requirements of certain systems.

Working Principles

The MCP120T-450I/SN operates by continuously monitoring the power supply voltage. When the voltage falls below the threshold of 4.50V, it generates an active-low reset signal. This signal can be used to initiate system resets or trigger specific actions based on the application requirements.

Detailed Application Field Plans

The MCP120T-450I/SN finds applications in various electronic systems where accurate voltage monitoring and reset generation are crucial. Some potential application fields include:

1. Microcontrollers: Ensuring stable power supply voltage for reliable operation.
2. Industrial automation: Monitoring power supply voltage in control systems.
3. Automotive electronics: Resetting microcontrollers in case of voltage fluctuations.
4. Power management systems: Safeguarding sensitive components from undervoltage conditions.

Detailed and Complete Alternative Models

1. MCP120-450DI/TO: Similar functionality with a different package type (DIP).
2. MCP121T-195I/SN: Lower threshold voltage (1.95V) for specific applications.
3. MCP130T-300I/TT: Higher accuracy (±0.5%) and extended temperature range (-40°C to +125°C).

These alternative models offer similar features and can be considered based on specific requirements.

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