MCP111T-270E/TTVAO

Introduction

The MCP111T-270E/TTVAO is a versatile integrated circuit that belongs to the category of voltage supervisors. This device is designed to monitor the power supply voltage level and provide a reset signal to the microcontroller or other digital system in the event of an under-voltage condition.

Basic Information Overview

• Category: Voltage Supervisor IC
• Use: Monitoring power supply voltage levels
• Characteristics: Precision voltage monitoring, low power consumption
• Package: SOT-23-3 package
• Essence: Ensuring reliable operation of digital systems by providing reset signals during under-voltage conditions
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Voltage Threshold: 2.7V
• Reset Timeout Period: 140ms (min)
• Operating Temperature Range: -40°C to 125°C
• Supply Voltage Range: 1.6V to 5.5V
• Quiescent Current: 5µA (typical)

Detailed Pin Configuration

The MCP111T-270E/TTVAO features a standard SOT-23-3 pin configuration with the following pinout: 1. VDD (Input Power Supply) 2. GND (Ground) 3. RESET (Output Reset Signal)

Functional Features

• Precision Monitoring: Accurately monitors the power supply voltage to ensure reliable operation.
• Low Power Consumption: Consumes minimal power, making it suitable for battery-powered applications.
• Small Form Factor: Compact SOT-23-3 package for space-constrained designs.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring for critical digital systems
• Low power consumption extends battery life in portable devices
• Small form factor enables integration into compact designs

Disadvantages

• Fixed voltage threshold may not be suitable for all applications
• Limited to monitoring single power supply voltage

Working Principles

The MCP111T-270E/TTVAO operates by comparing the input voltage to a precise internal reference. When the input voltage falls below the threshold, the reset output is asserted, indicating an under-voltage condition. Once the input voltage rises above the threshold and remains stable for the specified timeout period, the reset signal is de-asserted.

Detailed Application Field Plans

The MCP111T-270E/TTVAO finds application in various fields including: - Embedded Systems: Providing reliable reset signals to microcontrollers and DSPs. - Battery-Powered Devices: Ensuring proper power management and system integrity. - Industrial Control Systems: Monitoring power supply voltages in critical control applications.

Detailed and Complete Alternative Models

• MCP100T-315I/TT: Offers a higher voltage threshold for different application requirements.
• MAX809: Provides similar voltage monitoring functionality with adjustable reset timeout period.

In conclusion, the MCP111T-270E/TTVAO is a reliable voltage supervisor IC with precision monitoring capabilities, low power consumption, and a compact form factor. Its application spans across various industries, ensuring the integrity and reliability of digital systems.

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