APX803L20-38SA-7

Product Overview

Category

APX803L20-38SA-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 hysteresis function

Package

The APX803L20-38SA-7 comes in a small surface-mount SOT-23-3 package.

Essence

The essence of APX803L20-38SA-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 or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Operating Voltage Range: 2.0V to 6.0V
• Threshold Voltage Options: 2.0V, 2.2V, 2.3V, 2.5V, 2.6V, 2.8V, 3.0V, 3.1V, 3.3V, 3.4V, 3.6V, 3.8V
• Output Type: Active-Low
• Quiescent Current: 0.1μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The APX803L20-38SA-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 falls below the threshold level.

Functional Features

• Accurate voltage monitoring: The APX803L20-38SA-7 ensures precise detection of voltage levels.
• Hysteresis function: The built-in hysteresis feature prevents output oscillation near the threshold voltage.
• Low power consumption: The device operates with minimal power consumption, making it suitable for battery-powered applications.
• Wide operating voltage range: It can operate within a wide voltage range, providing flexibility in various circuit designs.

Advantages and Disadvantages

Advantages

• High accuracy in voltage monitoring
• Small package size allows for space-saving designs
• Low power consumption prolongs battery life
• Wide operating voltage range enhances versatility

Disadvantages

• Limited threshold voltage options may not suit all applications
• Lack of adjustable hysteresis settings

Working Principles

The APX803L20-38SA-7 works based on a voltage comparator principle. It compares the input voltage with the internally set threshold voltage. When the input voltage falls below the threshold, the RESET pin outputs an active-low signal.

Detailed Application Field Plans

The APX803L20-38SA-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 management systems: The voltage detector ensures proper functioning of power supply circuits by detecting voltage fluctuations.
3. Industrial automation: It can be employed in control systems to monitor voltage levels and initiate appropriate actions.

Detailed and Complete Alternative Models

1. APX803L20-31SA-7: Similar to APX803L20-38SA-7 but with a different threshold voltage range (2.0V to 3.1V).
2. APX803L20-42SA-7: Similar to APX803L20-38SA-7 but with a different threshold voltage range (2.0V to 4.2V).
3. APX803L20-50SA-7: Similar to APX803L20-38SA-7 but with a different threshold voltage range (2.0V to 5.0V).

These alternative models provide options for different voltage monitoring requirements.

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