ADM1818-5ARTZ-RL7

Product Overview

Category

ADM1818-5ARTZ-RL7 belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and controlling the voltage levels in electronic circuits.

Characteristics

• Voltage range: 1.8V
• Package type: SOT-23
• Low power consumption
• High accuracy
• Wide operating temperature range

Package

ADM1818-5ARTZ-RL7 comes in a small outline transistor (SOT-23) package.

Essence

The essence of ADM1818-5ARTZ-RL7 lies in its ability to ensure stable voltage levels within electronic systems, preventing damage or malfunction due to voltage fluctuations.

Packaging/Quantity

This product is typically packaged in reels containing a specific quantity, usually around 3000 units per reel.

Specifications

• Supply voltage range: 1.6V to 5.5V
• Threshold voltage: 1.8V
• Accuracy: ±1.5%
• Quiescent current: 10µA (typical)
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

ADM1818-5ARTZ-RL7 has three pins:

1. VCC: Connects to the power supply voltage.
2. GND: Ground reference.
3. RESET: Output pin that indicates the status of the monitored voltage.

Functional Features

• Under-voltage detection: Monitors the input voltage and generates a reset signal when it falls below the threshold voltage.
• Power-on reset: Generates a reset signal during power-up to ensure proper initialization of the system.
• Manual reset input: Allows for manual triggering of the reset signal.
• Adjustable reset timeout period: Can be configured to delay the reset signal after power stabilization.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows for compatibility with various systems.
• Low power consumption minimizes energy usage.
• High accuracy ensures reliable voltage monitoring.
• Small package size enables space-saving designs.

Disadvantages

• Limited to a specific threshold voltage of 1.8V, which may not be suitable for all applications.
• Lack of advanced features compared to more specialized voltage supervisors.

Working Principles

ADM1818-5ARTZ-RL7 operates by continuously monitoring the input voltage. When the voltage falls below the threshold level, it triggers a reset signal. This signal can be used to initiate system shutdown or perform other necessary actions to prevent data loss or damage.

Detailed Application Field Plans

ADM1818-5ARTZ-RL7 finds applications in various electronic systems where stable voltage levels are critical. Some common application fields include:

1. Microcontrollers: Ensures proper operation and prevents data corruption during voltage fluctuations.
2. Industrial control systems: Protects sensitive equipment from voltage variations, ensuring reliable operation.
3. Automotive electronics: Monitors battery voltage to prevent under-voltage conditions that could affect vehicle performance.
4. Power supply units: Provides voltage supervision to safeguard against over-voltage or under-voltage situations.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ADM1818-5ARTZ-RL7 are:

1. MAX809: Manufactured by Maxim Integrated, this voltage supervisor offers adjustable threshold voltage and additional features like watchdog timer.
2. TPS3839: Texas Instruments produces this voltage supervisor with a wide operating temperature range and low quiescent current.
3. MCP1316: Microchip Technology offers this voltage supervisor with a programmable reset timeout period and low supply current.

These alternative models provide options for different voltage thresholds, additional features, and varying package types to suit specific application requirements.

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