APX803L20-20SA-7

Product Overview

Category

APX803L20-20SA-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 APX803L20-20SA-7 comes in a small surface-mount SOT-23-3 package.

Essence

The essence of APX803L20-20SA-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: 1.8V to 5.5V
• Threshold Voltage: 2.0V ± 1.5%
• Accuracy: ±1.5%
• Quiescent Current: 1.0μA (typical)
• Output Type: Active-Low
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The APX803L20-20SA-7 has three pins:

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

Functional Features

• Accurate voltage monitoring: The APX803L20-20SA-7 provides precise detection of voltage levels within the specified range.
• Reset output: It generates an active-low reset signal when the monitored voltage falls below the threshold level.
• Hysteresis function: The built-in hysteresis ensures stable operation by preventing oscillation near the threshold voltage.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range allows for versatile use in various circuits.
• Small package size enables space-saving designs.
• Accurate voltage monitoring ensures reliable system operation.

Disadvantages

• The active-low reset output may not be compatible with all circuit configurations.
• Limited temperature range of -40°C to +85°C may restrict certain applications.

Working Principles

The APX803L20-20SA-7 operates by comparing the input voltage with the threshold voltage. When the input voltage drops below the threshold, the reset output is activated, indicating a low-voltage condition. The hysteresis function prevents false triggering due to voltage fluctuations near the threshold level.

Detailed Application Field Plans

The APX803L20-20SA-7 finds applications in various fields, including:

1. Battery-powered devices: It can be used to monitor battery voltage and trigger actions when the voltage falls below a certain level.
2. Power supply units: The voltage detector ensures stable operation by providing a reset signal when the input voltage deviates from the desired range.
3. Industrial control systems: It can be employed to monitor critical voltages in industrial equipment and initiate appropriate actions in case of voltage abnormalities.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to APX803L20-20SA-7 include:

1. MAX803L: Manufactured by Maxim Integrated, it features a wide operating voltage range and low quiescent current.
2. MCP100: Produced by Microchip Technology, it offers accurate voltage monitoring and a small package size.
3. XC6120: Developed by Torex Semiconductor, it provides precise voltage detection and a built-in hysteresis function.

These alternative models can be considered based on specific requirements and design constraints.

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