APX803L20-26SA-7

Product Overview

Category

APX803L20-26SA-7 belongs to the category of voltage supervisors.

Use

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

Characteristics

• Low-power consumption
• Wide operating voltage range
• High accuracy
• Small package size

Package

The APX803L20-26SA-7 comes in a small surface-mount SOT-23-3 package.

Essence

The essence of APX803L20-26SA-7 lies in its ability to ensure stable voltage levels, preventing damage to sensitive electronic components.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Operating Voltage Range: 1.8V to 6.0V
• Threshold Voltage: 2.6V ± 1.5%
• Reset Timeout Period: 20ms (typical)
• Quiescent Current: 1μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The APX803L20-26SA-7 has three pins:

1. VDD: Connects to the positive supply voltage.
2. GND: Connects to the ground reference.
3. RESET: Output pin that indicates the status of the voltage level.

Functional Features

• Voltage Monitoring: The APX803L20-26SA-7 continuously monitors the input voltage and provides a reset signal when it falls below the threshold voltage.
• Reset Signal Generation: When the input voltage drops below the threshold, the RESET pin goes low, indicating a reset condition.
• Power-On Reset: The device generates a reset signal upon power-up, ensuring proper initialization of the system.

Advantages and Disadvantages

Advantages

• Low power consumption helps in extending battery life.
• Wide operating voltage range makes it suitable for various applications.
• Small package size allows for space-saving designs.

Disadvantages

• The reset timeout period may not be adjustable, limiting its flexibility in certain applications.
• Limited availability of alternative models with similar specifications.

Working Principles

The APX803L20-26SA-7 operates by comparing the input voltage with the threshold voltage. When the input voltage drops below the threshold, the device generates a reset signal. This signal remains active until the input voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The APX803L20-26SA-7 finds applications in various fields, including:

1. Battery-Powered Devices: It ensures proper functioning by monitoring the battery voltage and initiating a reset if it falls below a critical level.
2. Microcontroller Systems: The voltage supervisor prevents erratic behavior or data corruption by resetting the microcontroller when the supply voltage is unstable.
3. Industrial Control Systems: It provides reliable voltage monitoring in industrial environments, protecting sensitive equipment from voltage fluctuations.

Detailed and Complete Alternative Models

While the APX803L20-26SA-7 is a popular choice, there are alternative models available with similar functionality. Some notable alternatives include:

1. MAX809: Offers adjustable reset timeout period.
2. MCP130: Provides additional features like manual reset input and watchdog timer functionality.
3. TPS383: Offers higher accuracy and wider operating temperature range.

These alternative models can be considered based on specific application requirements.

Word count: 408 words