DS1811-15+T&R

Product Overview

Category

DS1811-15+T&R belongs to the category of electronic components.

Use

It is commonly used in various electronic devices and circuits for voltage monitoring and reset functions.

Characteristics

• Voltage monitoring and reset functionality
• Compact size
• High accuracy
• Low power consumption

Package

DS1811-15+T&R is available in a small surface-mount package.

Essence

The essence of DS1811-15+T&R lies in its ability to monitor voltage levels and provide a reset signal when necessary, ensuring proper functioning of electronic systems.

Packaging/Quantity

DS1811-15+T&R is typically packaged in reels and is available in large quantities.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Reset Threshold Voltage: 1.5V
• Reset Timeout Period: Adjustable
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-Low

Detailed Pin Configuration

DS1811-15+T&R has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground connection
3. RESET: Active-low reset output
4. MR: Manual reset input

Functional Features

• Voltage Monitoring: DS1811-15+T&R continuously monitors the supply voltage and compares it with the preset threshold.
• Reset Generation: When the supply voltage drops below the threshold, DS1811-15+T&R generates an active-low reset signal.
• Adjustable Timeout: The reset timeout period can be adjusted to suit specific application requirements.
• Manual Reset: An external manual reset input allows for immediate system reset if needed.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality
• Small form factor
• Wide operating voltage range
• Adjustable timeout period for flexibility

Disadvantages

• Limited to active-low reset output
• Requires external components for proper operation

Working Principles

DS1811-15+T&R operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage drops below the preset threshold, it triggers the reset circuitry, generating an active-low reset signal. The timeout period ensures that the reset signal remains active for a specific duration to allow the system to stabilize.

Detailed Application Field Plans

DS1811-15+T&R finds applications in various electronic systems where voltage monitoring and reliable reset functionality are crucial. Some of the common application fields include:

1. Microcontrollers and Microprocessors: Ensuring proper system initialization and preventing erratic behavior during power fluctuations.
2. Industrial Control Systems: Providing reliable reset functionality to maintain system integrity and prevent data corruption.
3. Communication Equipment: Ensuring continuous operation and preventing system lock-ups due to voltage variations.
4. Automotive Electronics: Monitoring critical voltage levels and initiating system resets to avoid malfunctions.

Detailed and Complete Alternative Models

1. DS1811R-10+: Similar to DS1811-15+T&R but with a different reset threshold voltage of 1.0V.
2. DS1811R-20+: Similar to DS1811-15+T&R but with a different reset threshold voltage of 2.0V.
3. DS1811R-30+: Similar to DS1811-15+T&R but with a different reset threshold voltage of 3.0V.

These alternative models provide options for different voltage monitoring requirements in various applications.

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