APX803L-12SA-7

Product Overview

Category

APX803L-12SA-7 belongs to the category of voltage detectors.

Use

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

Characteristics

• Low power consumption
• High accuracy
• Wide operating voltage range
• Small package size
• Built-in delay time function

Package

The APX803L-12SA-7 comes in a small surface-mount SOT-23-3 package.

Essence

The essence of APX803L-12SA-7 lies in its ability to accurately monitor and detect voltage levels, ensuring the proper functioning of electronic circuits.

Packaging/Quantity

The product is typically packaged in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Operating Voltage Range: 1.2V to 6.0V
• Threshold Voltage: 1.2V ± 2%
• Accuracy: ±1.5%
• Quiescent Current: 1.0μA (typical)
• Output Type: Active low
• Delay Time: 200ms (typical)

Detailed Pin Configuration

The APX803L-12SA-7 has three pins:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Active low reset output pin.

Functional Features

• Voltage Monitoring: The APX803L-12SA-7 continuously monitors the voltage level and provides a reset signal when it falls below the threshold voltage.
• Delay Time Function: It includes a built-in delay time function to prevent false resets during power-up or momentary voltage fluctuations.
• Active Low Reset: The reset output is active low, providing compatibility with various microcontrollers and digital logic circuits.

Advantages and Disadvantages

Advantages

• Low power consumption ensures minimal impact on overall system performance.
• High accuracy guarantees reliable voltage monitoring.
• Wide operating voltage range allows for versatile applications.
• Small package size enables space-saving designs.
• Built-in delay time function prevents false resets.

Disadvantages

• Limited to voltage monitoring applications only.
• Requires additional external components for specific circuit configurations.

Working Principles

The APX803L-12SA-7 operates based on a voltage comparator circuit. It compares the input voltage with the threshold voltage set internally. When the input voltage falls below the threshold voltage, the reset output is activated, indicating a low voltage condition.

Detailed Application Field Plans

The APX803L-12SA-7 finds applications in various fields, including:

1. Battery-Powered Devices: It can be used to monitor battery voltage levels and trigger actions when they reach critical levels.
2. Power Supply Units: It ensures stable operation by detecting undervoltage conditions and initiating appropriate actions.
3. Industrial Control Systems: The voltage detector helps in monitoring power supply integrity and preventing malfunctions.
4. Automotive Electronics: It plays a crucial role in monitoring vehicle battery voltage and protecting sensitive electronic components.

Detailed and Complete Alternative Models

1. APX803L-10SA-7: Similar to APX803L-12SA-7 but with a threshold voltage of 1.0V ± 2%.
2. APX803L-15SA-7: Similar to APX803L-12SA-7 but with a threshold voltage of 1.5V ± 2%.
3. APX803L-18SA-7: Similar to APX803L-12SA-7 but with a threshold voltage of 1.8V ± 2%.

These alternative models provide flexibility in voltage monitoring applications with different threshold voltage requirements.

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