MCP120T-450I/TT

Product Overview

Category

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

Use

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

Characteristics

• The MCP120T-450I/TT is a low-power, open-drain output voltage supervisor.
• It operates over a wide voltage range, making it suitable for various applications.
• This device offers accurate monitoring of the power supply voltage.
• It has a low quiescent current, ensuring minimal power consumption.
• The MCP120T-450I/TT is available in a small SOT-23 package, allowing for space-efficient integration into electronic designs.
• It provides a reset signal when the monitored voltage falls below a specified threshold.

Package and Quantity

The MCP120T-450I/TT is packaged in a SOT-23 package. It is typically sold in reels or tubes containing a specific quantity, such as 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 6.0V
• Reset Threshold Voltage: 4.50V
• Quiescent Current: 5µA (typical)
• Output Type: Open-drain
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP120T-450I/TT has three pins:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Open-drain output pin that provides a reset signal when the monitored voltage drops below the threshold.

Functional Features

• Accurate voltage monitoring: The MCP120T-450I/TT ensures precise monitoring of the power supply voltage.
• Low power consumption: With a low quiescent current, it minimizes power consumption in electronic systems.
• Open-drain output: The open-drain output allows for flexibility in connecting to other devices or circuits.
• Wide operating voltage range: It can operate within a wide voltage range, making it suitable for various applications.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures system stability.
• Low power consumption helps conserve energy.
• Small package size enables space-efficient integration.
• Wide operating voltage range enhances versatility.

Disadvantages

• The open-drain output requires additional components for certain applications.
• Limited reset threshold options may not suit all voltage monitoring requirements.

Working Principles

The MCP120T-450I/TT continuously monitors the power supply voltage. When the voltage drops below the specified threshold (4.50V), the device pulls the RESET pin low, indicating a reset condition. This signal can be used to trigger appropriate actions in the system, such as resetting microcontrollers or halting operations until the voltage stabilizes.

Detailed Application Field Plans

The MCP120T-450I/TT finds application in various fields, including:

1. Embedded Systems: It ensures reliable operation by monitoring the power supply voltage in microcontroller-based systems.
2. Industrial Automation: Voltage supervision is critical in industrial automation equipment to prevent malfunctions due to unstable power supply.
3. Automotive Electronics: The MCP120T-450I/TT contributes to the safe and efficient functioning of automotive electronics by monitoring voltage levels.
4. Consumer Electronics: It provides voltage monitoring capabilities in devices like smartphones, tablets, and gaming consoles, ensuring stable performance.

Detailed and Complete Alternative Models

1. MCP120-450I/TT: Similar to the MCP120T-450I/TT but without the open-drain output.
2. MCP121T-450I/TT: A variant with a different reset threshold voltage (4.50V) for specific voltage monitoring requirements.
3. MCP130T-300I/TT: A voltage supervisor with a lower reset threshold voltage (3.00V) for applications requiring tighter voltage monitoring.

These alternative models offer similar functionality but may have slight variations in specifications or features to cater to different application needs.

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