DS1811-10+T&R

Product Overview

Category

DS1811-10+T&R belongs to the category of electronic components.

Use

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

Characteristics

• Voltage monitoring: DS1811-10+T&R monitors the supply voltage and provides a reset signal when it falls below a certain threshold.
• Reset function: It ensures that the device resets properly after a power interruption or voltage drop.
• Package: DS1811-10+T&R comes in a small surface-mount package.
• Essence: The essence of this product lies in its ability to provide reliable voltage monitoring and reset functionality.
• Packaging/Quantity: It is typically packaged in reels and available in large quantities.

Specifications

• Supply Voltage Range: 2.5V to 5.5V
• Threshold Voltage: 1.0V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23-3

Detailed Pin Configuration

DS1811-10+T&R has three pins:

1. VCC: This pin is connected to the supply voltage.
2. GND: This pin is connected to the ground.
3. RESET: This pin outputs the reset signal.

Functional Features

• Accurate voltage monitoring: DS1811-10+T&R accurately monitors the supply voltage and triggers a reset signal when it drops below the specified threshold.
• Adjustable reset timeout: The reset timeout period can be adjusted using external components, allowing flexibility in different applications.
• Low power consumption: It operates with low power consumption, making it suitable for battery-powered devices.
• Small form factor: The SOT-23-3 package enables easy integration into space-constrained designs.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality.
• Adjustable reset timeout period.
• Low power consumption.
• Small form factor for easy integration.

Disadvantages

• Limited to a specific supply voltage range (2.5V to 5.5V).
• Requires external components for adjusting the reset timeout period.

Working Principles

DS1811-10+T&R works by continuously monitoring the supply voltage using an internal voltage reference. When the voltage drops below the threshold, it triggers the RESET pin, which can be connected to the reset input of a microcontroller or other devices. The reset signal remains active until the voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

DS1811-10+T&R finds applications in various electronic devices that require reliable voltage monitoring and reset functionality. Some potential application fields include:

1. Microcontrollers: It ensures proper reset and initialization of microcontrollers after a power interruption.
2. Embedded Systems: It provides voltage monitoring and reset capabilities in embedded systems to maintain system integrity.
3. Industrial Control Systems: DS1811-10+T&R can be used in industrial control systems to monitor power supply voltages and trigger appropriate actions.
4. Automotive Electronics: It plays a crucial role in automotive electronics by ensuring proper reset and voltage monitoring in critical systems.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to DS1811-10+T&R are:

1. MAX809: Manufactured by Maxim Integrated, it provides voltage monitoring and reset functions with adjustable timeout periods.
2. MCP131: Produced by Microchip Technology, it offers accurate voltage monitoring and reset capabilities in a small package.
3. TPS3808: Texas Instruments' TPS3808 is another option that provides voltage monitoring and reset features with adjustable thresholds.

These alternative models can be considered based on specific requirements and compatibility with the target application.

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