APX803L40-49SA-7

Product Overview

Category

APX803L40-49SA-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 hysteresis function

Package

The APX803L40-49SA-7 comes in a small surface-mount SOT-23-3 package.

Essence

The essence of APX803L40-49SA-7 lies in its ability to accurately monitor voltage levels and provide a reliable output signal.

Packaging/Quantity

The product is typically packaged in reels, with each reel containing a specific quantity of APX803L40-49SA-7 units.

Specifications

• Operating Voltage Range: 1.0V to 6.0V
• Threshold Voltage: 4.9V ± 2%
• Output Type: Active-Low
• Quiescent Current: 1μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The APX803L40-49SA-7 has three pins:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin that provides an active-low signal when the voltage drops below the threshold level.

Functional Features

• Accurate voltage monitoring
• Low power consumption
• Built-in hysteresis for noise immunity
• Reset output remains low until voltage rises above the threshold level

Advantages

• High accuracy ensures reliable voltage monitoring.
• Low quiescent current minimizes power consumption.
• Wide operating voltage range allows for versatile applications.
• Small package size enables space-saving designs.
• Built-in hysteresis function enhances noise immunity.

Disadvantages

• Limited threshold voltage options available.
• Lack of adjustable threshold voltage limits customization.

Working Principles

The APX803L40-49SA-7 operates by comparing the input voltage with the preset threshold voltage. When the input voltage drops below the threshold, the reset output becomes active-low, indicating a voltage fault condition. The reset output remains low until the input voltage rises above the threshold level, ensuring reliable monitoring.

Detailed Application Field Plans

The APX803L40-49SA-7 finds applications in various fields, including:

1. Battery-powered devices: Ensures proper battery voltage monitoring to prevent over-discharge.
2. Power supply units: Monitors voltage levels to protect sensitive components from undervoltage conditions.
3. Industrial control systems: Provides voltage supervision for critical equipment and processes.
4. Automotive electronics: Ensures stable voltage supply for vehicle systems, preventing malfunctions.

Detailed and Complete Alternative Models

1. APX803L30-29SA-7: Threshold voltage of 2.9V ± 2%.
2. APX803L50-59SA-7: Threshold voltage of 5.9V ± 2%.
3. APX803M40-49SA-7: Micro-power version with lower quiescent current.

These alternative models offer different threshold voltage options and variations in power consumption, catering to diverse application requirements.

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