MCP809T-270I/TT

Product Overview

Category

The MCP809T-270I/TT belongs to the category of voltage supervisors.

Use

It is used to monitor the power supply voltage level and provide a reset signal to the microcontroller in case of an under-voltage condition.

Characteristics

• Voltage monitoring range: 2.93V to 3.08V
• Low supply current: 5µA (typical)
• Small package size: SOT-23-3
• Active-low push-pull output
• Wide operating temperature range: -40°C to 125°C

Package

The MCP809T-270I/TT is available in a SOT-23-3 package.

Essence

The essence of this product lies in its ability to ensure reliable operation of microcontrollers by monitoring the power supply voltage.

Packaging/Quantity

The MCP809T-270I/TT is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Reset Threshold Voltage: 2.93V
• Reset Timeout Period: 140ms (min)
• Quiescent Current: 5µA (typical)

Detailed Pin Configuration

The MCP809T-270I/TT has the following pin configuration: 1. VDD (Input) 2. GND (Ground) 3. RESET (Output)

Functional Features

• Precision monitoring of system voltage
• Manual reset input
• Power-on reset generator
• Low power consumption

Advantages and Disadvantages

Advantages

• Wide supply voltage range
• Small package size
• Low quiescent current
• Reliable voltage monitoring

Disadvantages

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

Working Principles

The MCP809T-270I/TT operates by comparing the monitored voltage with a fixed reference voltage. When the monitored voltage falls below the reference voltage, the reset output is asserted, indicating an under-voltage condition.

Detailed Application Field Plans

The MCP809T-270I/TT is commonly used in embedded systems, industrial control systems, automotive electronics, and portable devices where reliable voltage monitoring is essential for proper operation of microcontrollers and other sensitive components.

Detailed and Complete Alternative Models

Some alternative models to the MCP809T-270I/TT include the MAX809, ADM809, and TPS3808, which offer similar voltage monitoring and reset functions.

In conclusion, the MCP809T-270I/TT is a vital component in ensuring the stable and reliable operation of electronic systems by providing accurate voltage monitoring and reset functionality.

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