ADM1818-10AKS-REEL

Product Overview

Category

ADM1818-10AKS-REEL belongs to the category of voltage supervisors or reset ICs.

Use

This product is primarily used in electronic systems to monitor and control the power supply voltage levels. It ensures that the system operates within safe voltage limits and provides a reset signal when the voltage falls below a specified threshold.

Characteristics

• Voltage supervision: Monitors the power supply voltage continuously.
• Reset generation: Generates a reset signal when the voltage drops below a predetermined level.
• Low power consumption: Designed to consume minimal power during operation.
• Wide operating voltage range: Suitable for various applications with different voltage requirements.
• Small package size: Comes in a compact package, making it suitable for space-constrained designs.

Package

ADM1818-10AKS-REEL is available in a surface-mount SOT-23 package.

Essence

The essence of ADM1818-10AKS-REEL lies in its ability to ensure stable and reliable operation of electronic systems by monitoring the power supply voltage and generating a reset signal when necessary.

Packaging/Quantity

ADM1818-10AKS-REEL is typically packaged in reels containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply voltage range: 1.6V to 5.5V
• Reset threshold voltage: 1.2V
• Reset timeout period: 140ms (typical)
• Quiescent current: 7µA (typical)
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

ADM1818-10AKS-REEL has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. RESET: Reset output

Functional Features

1. Voltage Monitoring: ADM1818-10AKS-REEL continuously monitors the power supply voltage.
2. Reset Generation: When the voltage drops below the reset threshold, it generates a reset signal.
3. Reset Timeout: The reset signal remains active for a specific timeout period to ensure proper system initialization.
4. Power-On Reset: Provides a reset signal during power-up to ensure a controlled start of the system.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset generation.
• Low power consumption.
• Wide operating voltage range.
• Compact package size.

Disadvantages

• Lack of adjustable reset threshold.
• Limited reset timeout options.

Working Principles

ADM1818-10AKS-REEL operates by comparing the power supply voltage with the preset threshold voltage. If the voltage falls below the threshold, it triggers the reset output, which can be used to reset the microcontroller or other system components. The reset signal remains active for a specific timeout period to allow the system to stabilize before normal operation resumes.

Detailed Application Field Plans

ADM1818-10AKS-REEL finds applications in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some potential application fields include:

1. Microcontrollers and Microprocessors: Ensures stable operation and prevents data corruption during power fluctuations.
2. Industrial Control Systems: Protects sensitive equipment from voltage variations and ensures safe operation.
3. Automotive Electronics: Monitors the vehicle's electrical system to prevent malfunctions and ensure driver safety.
4. Medical Devices: Provides reliable voltage supervision to critical medical equipment, ensuring patient safety.
5. Communication Systems: Guards against power supply disturbances, preventing communication disruptions.

Detailed and Complete Alternative Models

1. MAX809: Similar voltage supervisor IC with adjustable reset threshold and timeout options.
2. MCP101: Voltage supervisor IC with additional power-on reset functionality.
3. TPS383: Ultra-low-power voltage supervisor IC with adjustable reset threshold and wide operating temperature range.

These alternative models offer similar features to ADM1818-10AKS-REEL and can be considered based on specific application requirements.

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