MCP809M3X-4.38/NOPB

Introduction

The MCP809M3X-4.38/NOPB is a voltage supervisor belonging to the category of integrated circuits. This device is commonly used in electronic systems to monitor the power supply voltage and ensure proper operation of the system. It offers various characteristics such as low power consumption, small package size, and high accuracy, making it suitable for a wide range of applications.

Basic Information Overview

• Category: Integrated Circuits
• Use: Voltage supervision in electronic systems
• Characteristics: Low power consumption, small package size, high accuracy
• Package: SOT-23-3
• Essence: Voltage supervisor with manual reset input
• Packaging/Quantity: Tape & Reel (3000 units per reel)

Specifications

• Voltage Threshold: 4.38V
• Reset Timeout Period: 140ms (min)
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 1.0V to 5.5V
• Quiescent Current: 5µA (typical)

Detailed Pin Configuration

The MCP809M3X-4.38/NOPB features a standard SOT-23-3 package with the following pin configuration: 1. VDD (Input Supply Voltage) 2. GND (Ground) 3. MR (Manual Reset Input)

Functional Features

• Voltage Monitoring: Monitors the input supply voltage and asserts a reset signal if the voltage falls below the threshold.
• Manual Reset Input: Allows external control of the reset function through the MR pin.
• Low Power Consumption: Consumes minimal power, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• High accuracy in voltage monitoring
• Small package size for space-constrained designs
• Wide operating temperature range for versatility in different environments

Disadvantages

• Limited to a single voltage threshold
• Manual reset input may require additional external circuitry for certain applications

Working Principles

The MCP809M3X-4.38/NOPB operates by continuously monitoring the input supply voltage. When the voltage falls below the preset threshold, the device asserts a reset signal to ensure the proper functioning of the connected system. The manual reset input allows for external intervention to control the reset function as needed.

Detailed Application Field Plans

This voltage supervisor is widely used in various electronic systems, including: - Microcontroller-based systems - Industrial control systems - Automotive electronics - Portable consumer devices

Detailed and Complete Alternative Models

• MCP130T-315I/TT: Offers adjustable voltage threshold and timeout period
• MAX809/MAX810: Provides similar voltage monitoring functionality with different package options

In conclusion, the MCP809M3X-4.38/NOPB is a versatile voltage supervisor with essential features for ensuring reliable operation of electronic systems across diverse applications.

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