DS1811R-5/T&R

Product Overview

The DS1811R-5/T&R belongs to the category of voltage supervisors and is commonly used for monitoring power supply voltages in various electronic systems. This device is characterized by its compact size, low power consumption, and high accuracy. It is typically available in a tape and reel packaging format and is often sold in quantities suitable for production-level applications.

Specifications

• Input Voltage Range: 0V to 5.5V
• Threshold Voltage: 5.0V
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23

Detailed Pin Configuration

The DS1811R-5/T&R features a standard SOT-23 package with three pins: 1. VCC (Input Voltage) 2. GND (Ground) 3. RESET (Output)

Functional Features

• Precision Monitoring: The DS1811R-5/T&R provides accurate monitoring of input voltages, ensuring reliable operation of connected systems.
• Power-On Reset: Upon detecting a voltage below the threshold, the device generates a reset signal to facilitate proper system initialization.
• Low Power Consumption: The device operates with minimal power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Compact Size: The small form factor of the DS1811R-5/T&R enables integration into space-constrained designs.
• High Accuracy: The device offers precise voltage monitoring, contributing to system stability and reliability.

Disadvantages

• Limited Input Voltage Range: The device is designed for use within a specific voltage range, which may not be suitable for all applications.
• Single Threshold Voltage: The fixed threshold voltage may not accommodate variations in system requirements.

Working Principles

The DS1811R-5/T&R operates by continuously monitoring the input voltage. When the voltage falls below the preset threshold, the device triggers a reset signal, ensuring that the connected system restarts or enters a safe state until the voltage returns to an acceptable level.

Detailed Application Field Plans

The DS1811R-5/T&R is commonly employed in various applications, including: - Embedded Systems: Ensuring stable power supply monitoring in microcontroller-based systems. - Industrial Control: Providing voltage supervision in industrial automation and control systems. - Consumer Electronics: Facilitating reliable power management in portable electronic devices.

Detailed and Complete Alternative Models

• MAX809: Offers similar voltage monitoring capabilities with adjustable threshold voltage settings.
• TC54: Provides voltage supervision with extended temperature range and additional features for specific application requirements.

In conclusion, the DS1811R-5/T&R is a versatile voltage supervisor suitable for a wide range of electronic systems, offering precise monitoring, compact design, and reliable performance.

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