APX803L-38SA-7

Product Overview

Category

APX803L-38SA-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 circuitry

Package

The APX803L-38SA-7 comes in a small surface-mount SOT-23-3 package.

Essence

The essence of APX803L-38SA-7 lies in its ability to accurately monitor and detect voltage levels, ensuring 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: 1.8V to 5.5V
• Threshold Voltage: 3.8V
• Accuracy: ±1.5%
• Quiescent Current: 1.0μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The APX803L-38SA-7 has three pins:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin that indicates the voltage level status.

Functional Features

• Voltage Monitoring: The APX803L-38SA-7 continuously monitors the voltage level and provides an output signal when it falls below the threshold voltage.
• Reset Signal Generation: When the voltage drops below the threshold, the RESET pin goes low, generating a reset signal to the connected microcontroller or system.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited threshold voltage options may not suit all voltage monitoring requirements.
• Lack of adjustable threshold voltage limits customization options.

Working Principles

The APX803L-38SA-7 operates based on a voltage comparator principle. It compares the input voltage with the internally set threshold voltage. When the input voltage drops below the threshold, the output pin generates a reset signal.

Detailed Application Field Plans

The APX803L-38SA-7 finds applications in various fields, including:

1. Battery-Powered Devices: Used to monitor battery voltage and trigger low battery warnings or shutdowns.
2. Power Supply Units: Ensures stable power delivery by detecting voltage fluctuations.
3. Industrial Control Systems: Monitors critical voltage levels to prevent system failures.
4. Automotive Electronics: Detects abnormal voltage conditions in vehicle systems.

Detailed and Complete Alternative Models

1. APX803L-29SA-7: Threshold voltage of 2.9V.
2. APX803L-33SA-7: Threshold voltage of 3.3V.
3. APX803L-50SA-7: Threshold voltage of 5.0V.

These alternative models provide different threshold voltage options to cater to diverse voltage monitoring requirements.

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