MCP809T-450I/TT

Product Category

The MCP809T-450I/TT belongs to the category of voltage supervisors.

Basic Information Overview

• Use: The MCP809T-450I/TT is used for monitoring the power supply voltage in microcontroller and digital systems.
• Characteristics: It provides a reset signal to the microcontroller during power-up, power-down, and brownout conditions.
• Package: The MCP809T-450I/TT is available in a SOT-23-3 package.
• Essence: Its essence lies in ensuring reliable operation of microcontroller-based systems by monitoring the power supply voltage.
• Packaging/Quantity: The MCP809T-450I/TT is typically available in reels with a quantity of 3000 units per reel.

Specifications

• Voltage Threshold: 4.50V
• Reset Timeout Period: 140ms (min)
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 1.0V to 5.5V
• Quiescent Current: 6µA (typ)

Detailed Pin Configuration

The MCP809T-450I/TT has a standard SOT-23-3 pin configuration: 1. VDD (Input) 2. GND (Ground) 3. RESET (Output)

Functional Features

• Voltage Monitoring: Monitors the power supply voltage and provides a reset signal when the voltage falls below the threshold.
• Low Power Consumption: Consumes minimal quiescent current, making it suitable for battery-powered applications.
• Small Package Size: The SOT-23-3 package offers a compact footprint for space-constrained designs.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring for microcontroller systems
• Low power consumption
• Small package size

Disadvantages

• Fixed voltage threshold may not be suitable for all applications
• Limited reset timeout period

Working Principles

The MCP809T-450I/TT operates by comparing the input voltage to the preset threshold. When the input voltage falls below the threshold, the reset output is asserted, holding the microcontroller in a reset state until the voltage returns to an acceptable level.

Detailed Application Field Plans

The MCP809T-450I/TT is commonly used in various embedded systems, including: - Consumer electronics - Industrial automation - Automotive applications - Internet of Things (IoT) devices

Detailed and Complete Alternative Models

Some alternative models to the MCP809T-450I/TT include: - MAX809 - ADM809 - TPS3808

In summary, the MCP809T-450I/TT is a voltage supervisor designed to ensure the reliable operation of microcontroller-based systems by monitoring the power supply voltage and providing a reset signal when necessary.

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