MCP112T-300E/LB

Product Overview

Category

The MCP112T-300E/LB belongs to the category of voltage supervisors.

Use

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

Characteristics

• The MCP112T-300E/LB is a compact and reliable voltage supervisor.
• It operates at a wide input voltage range, making it suitable for various applications.
• This product offers accurate voltage monitoring and reset generation capabilities.
• It has low power consumption, ensuring energy efficiency in electronic systems.

Package

The MCP112T-300E/LB is available in a small SOT-23 package, which is commonly used for surface mount applications.

Essence

The essence of the MCP112T-300E/LB lies in its ability to provide stable power supply voltage monitoring and reset functionality, ensuring proper operation of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: 3.0V
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 5µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP112T-300E/LB features a standard three-pin configuration:

1. VDD: Connects to the positive supply voltage.
2. GND: Connects to the ground reference.
3. RESET: Output pin that provides a reset signal when the monitored voltage falls below the threshold.

Functional Features

• Under-voltage Monitoring: The MCP112T-300E/LB continuously monitors the input voltage and generates a reset signal when it drops below the specified threshold.
• Reset Generation: The device holds the reset signal for a defined timeout period, ensuring proper system initialization.
• Power-On Reset: It provides a reliable reset during power-up, preventing erratic behavior of electronic devices.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low quiescent current minimizes power consumption.
• Small package size enables space-efficient designs.
• Accurate voltage monitoring ensures system reliability.

Disadvantages

• Limited reset timeout period may not be suitable for certain applications requiring longer delays.
• Lack of adjustable threshold voltage limits customization options.

Working Principles

The MCP112T-300E/LB operates by comparing the input voltage with the preset threshold. When the voltage drops below the threshold, the device triggers a reset signal. This signal remains active for the specified timeout period, allowing the system to stabilize before resuming normal operation.

Detailed Application Field Plans

The MCP112T-300E/LB finds application in various electronic systems, including but not limited to: - Microcontrollers and microprocessors - Power management circuits - Industrial control systems - Automotive electronics - Battery-powered devices

Detailed and Complete Alternative Models

1. MCP111T-195E/TT: Similar to MCP112T-300E/LB, but with a lower reset threshold voltage of 1.95V.
2. MCP113T-450E/MB: Offers a higher reset threshold voltage of 4.5V, suitable for specific applications requiring a higher voltage level.

These alternative models provide flexibility in choosing the appropriate voltage supervisor based on specific system requirements.

In conclusion, the MCP112T-300E/LB is a compact and reliable voltage supervisor that offers accurate voltage monitoring and reset generation capabilities. Its wide input voltage range, low power consumption, and small package size make it suitable for various electronic applications. However, its limited reset timeout period and lack of adjustable threshold voltage may restrict its use in certain scenarios. Nonetheless, the MCP112T-300E/LB plays a crucial role in ensuring stable power supply voltage and system reliability in diverse fields such as microcontrollers, power management circuits, industrial control systems, automotive electronics, and battery-powered devices.