APX803L05-22SA-7

Product Overview

Category

APX803L05-22SA-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

Package

The APX803L05-22SA-7 comes in a small SOT-23-3 package.

Essence

The essence of this product lies in its ability to provide accurate voltage monitoring and reset functions in various electronic applications.

Packaging/Quantity

The APX803L05-22SA-7 is typically packaged in reels, with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Threshold Voltage: 2.2V
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 1.0µA (typical)

Detailed Pin Configuration

The APX803L05-22SA-7 has three pins:

1. VDD: Connects to the positive supply voltage.
2. GND: Connects to the ground or negative supply voltage.
3. RESET: Output pin that provides a reset signal when the monitored voltage falls below the threshold.

Functional Features

• Voltage Monitoring: The APX803L05-22SA-7 continuously monitors the input voltage and generates a reset signal when it drops below the threshold voltage.
• Reset Signal Generation: When the monitored voltage falls below the threshold, the RESET pin goes low, indicating the need for a system reset.
• Power-On Reset: The device ensures a proper reset during power-up, preventing any undefined behavior.

Advantages and Disadvantages

Advantages

• Low-power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range allows for versatile use in various electronic systems.
• Small package size enables space-saving designs.

Disadvantages

• The reset timeout period may not be adjustable, limiting its flexibility in certain applications.
• Lack of additional features, such as adjustable threshold voltage or hysteresis, may restrict its use in specific scenarios.

Working Principles

The APX803L05-22SA-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, indicating a power failure or an abnormal condition. This reset signal can be used to initiate system recovery or perform other necessary actions.

Detailed Application Field Plans

The APX803L05-22SA-7 finds applications in various fields, including:

1. Battery-Powered Devices: It ensures proper system reset and prevents data corruption in portable devices like smartphones, tablets, and wearables.
2. Industrial Control Systems: The voltage supervisor protects critical components from voltage fluctuations, ensuring reliable operation in industrial automation systems.
3. Automotive Electronics: It provides voltage monitoring and reset functions in automotive applications, enhancing safety and preventing damage to sensitive electronics.

Detailed and Complete Alternative Models

1. APX803L03-31SA-7: Similar to APX803L05-22SA-7 but with a different threshold voltage (3.1V).
2. APX803L06-18SA-7: Similar to APX803L05-22SA-7 but with a different threshold voltage (1.8V) and longer reset timeout period (180ms).

These alternative models offer similar functionality but cater to different voltage requirements and timing specifications.

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