APX803L20-12SA-7

Product Overview

Category

APX803L20-12SA-7 belongs to the category of voltage supervisors.

Use

This product is primarily used for monitoring and supervising the voltage levels in electronic circuits.

Characteristics

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

Package

The APX803L20-12SA-7 is available in a small SOT-23-3 package.

Essence

The essence of this product lies in its ability to provide accurate voltage monitoring and reset functionality, ensuring proper operation of electronic systems.

Packaging/Quantity

The APX803L20-12SA-7 is typically packaged in reels containing 3000 units.

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage: 2.0V
• Reset Timeout Period: 200ms (typical)
• Quiescent Current: 1μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The APX803L20-12SA-7 has three pins:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin that provides a reset signal when the monitored voltage falls below the threshold.

Functional Features

• Voltage Monitoring: The APX803L20-12SA-7 continuously monitors the input voltage and compares it with the threshold voltage.
• Reset Signal Generation: When the input voltage drops below the threshold, the device generates a reset signal to ensure proper system initialization.
• Precision: The device offers high accuracy in voltage monitoring, ensuring reliable operation of electronic circuits.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range allows compatibility with various systems.
• Small package size enables space-saving designs.
• Accurate voltage monitoring ensures system reliability.

Disadvantages

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

Working Principles

The APX803L20-12SA-7 operates by comparing the input voltage with the threshold voltage. When the input voltage falls below the threshold, the device triggers 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 APX803L20-12SA-7 finds applications in various electronic systems, including: 1. Battery-powered devices: Ensures proper shutdown and initialization to prevent data loss or damage during low battery conditions. 2. Microcontrollers: Provides a reliable reset signal during power-up or voltage fluctuations, ensuring correct system operation. 3. Industrial control systems: Monitors supply voltages to prevent malfunctions and ensure safe operation.

Detailed and Complete Alternative Models

While the APX803L20-12SA-7 is a popular choice, there are alternative models available from different manufacturers that offer similar functionality. Some notable alternatives include: - MAX803L: Manufactured by Maxim Integrated, this voltage supervisor offers comparable features and performance. - MCP130: Produced by Microchip Technology, this series of voltage supervisors provides a wide range of options with adjustable reset timeout periods.

In conclusion, the APX803L20-12SA-7 is a voltage supervisor that offers accurate voltage monitoring and reset functionality. Its low-power consumption, small package size, and wide operating voltage range make it suitable for various applications. While it has some limitations, alternative models are available to meet specific requirements.