APX803S-23SA-7

Product Overview

Category

APX803S-23SA-7 belongs to the category of electronic components.

Use

This product is commonly used in electronic circuits for voltage monitoring and reset functions.

Characteristics

• Voltage monitoring: APX803S-23SA-7 provides accurate monitoring of the supply voltage.
• Reset function: It generates a reset signal when the supply voltage drops below a specified threshold.
• Low power consumption: The device operates with low power consumption, making it suitable for battery-powered applications.
• Wide operating voltage range: APX803S-23SA-7 can operate within a wide voltage range, enhancing its versatility.
• Small package size: The product is available in a compact package, allowing for space-efficient designs.

Package

APX803S-23SA-7 is typically packaged in a small surface-mount SOT-23-3 package.

Essence

The essence of APX803S-23SA-7 lies in its ability to monitor the supply voltage and generate a reset signal, ensuring reliable operation of electronic systems.

Packaging/Quantity

This product is usually supplied in reels or tape and reel packaging. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 1.8V - 5.5V
• Threshold Voltage Options: 2.32V, 2.55V, 2.88V, 3.08V, 3.63V, 4.38V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

APX803S-23SA-7 has three pins:

1. VDD: Connect this pin to the positive supply voltage.
2. GND: Connect this pin to the ground.
3. RESET: This pin outputs a reset signal when the supply voltage drops below the threshold.

Functional Features

• Voltage Monitoring: APX803S-23SA-7 continuously monitors the supply voltage and compares it to the specified threshold.
• Reset Signal Generation: When the supply voltage falls below the threshold, the device generates a reset signal.
• Active-Low Output: The reset signal is active-low, meaning it goes low when triggered.
• Manual Reset Input: An external push-button can be connected to the RESET pin for manual reset functionality.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures reliable system operation.
• Low power consumption extends battery life in portable applications.
• Wide operating voltage range enhances compatibility with various systems.
• Small package size allows for space-efficient designs.

Disadvantages

• Limited threshold voltage options may not suit all applications.
• Lack of adjustable timeout period may restrict customization in certain scenarios.

Working Principles

APX803S-23SA-7 operates by comparing the supply voltage with the set threshold voltage. When the supply voltage drops below the threshold, the device triggers the reset signal, indicating a power failure or abnormal condition. This helps prevent data corruption and ensures proper system initialization upon power restoration.

Detailed Application Field Plans

APX803S-23SA-7 finds application in various electronic systems where voltage monitoring and reset functionality are crucial. Some common application fields include:

1. Microcontrollers: Ensures reliable operation by resetting the microcontroller during power fluctuations.
2. Communication Systems: Monitors the supply voltage to prevent communication errors during power disturbances.
3. Industrial Control Systems: Provides reset functionality to ensure proper system initialization after power failures.
4. Automotive Electronics: Monitors the vehicle's electrical system to prevent malfunctions caused by voltage fluctuations.

Detailed and Complete Alternative Models

1. APX803S-25SA-7: Similar to APX803S-23SA-7 but with a different threshold voltage option.
2. APX803S-18SA-7: Lower threshold voltage variant suitable for systems with lower supply voltages.
3. APX803S-33SA-7: Higher threshold voltage variant for applications requiring a higher voltage monitoring threshold.

These alternative models offer similar functionality but cater to different voltage requirements.

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