APX803-26SRG-7

Product Overview

Category

APX803-26SRG-7 belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and controlling the power supply voltage in electronic devices.

Characteristics

• Low-power consumption
• Wide operating voltage range
• High accuracy
• Reset output with adjustable delay time

Package

The APX803-26SRG-7 comes in a small SOT-23-3 package.

Essence

The essence of APX803-26SRG-7 lies in its ability to provide reliable voltage supervision, ensuring proper functioning of electronic devices.

Packaging/Quantity

The product is typically packaged in reels, with each reel containing a specific quantity of APX803-26SRG-7 units.

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Threshold Voltage: 2.6V
• Reset Output: Active Low
• Delay Time: Adjustable (typically 200ms)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The APX803-26SRG-7 has three pins:

1. VDD: Connects to the power supply voltage.
2. GND: Ground reference for the device.
3. RESET: Output pin that provides a reset signal when the monitored voltage falls below the threshold.

Functional Features

• Monitors the power supply voltage continuously.
• Generates a reset signal when the voltage drops below the threshold.
• Adjustable delay time allows for customization based on application requirements.
• Low-power consumption ensures minimal impact on overall system performance.

Advantages and Disadvantages

Advantages

• Wide operating voltage range makes it suitable for various applications.
• High accuracy ensures precise voltage monitoring.
• Small package size enables space-saving designs.
• Adjustable delay time provides flexibility in system design.

Disadvantages

• Limited to voltage monitoring and reset functionality.
• Not suitable for applications requiring complex power management features.

Working Principles

The APX803-26SRG-7 operates by comparing the supply voltage with a fixed threshold. When the voltage drops below the threshold, the device generates a reset signal. The delay time can be adjusted to allow for stable power supply conditions before the reset signal is released.

Detailed Application Field Plans

APX803-26SRG-7 finds application in various electronic devices where reliable voltage supervision is crucial. Some potential application fields include:

1. Microcontrollers: Ensures proper functioning by monitoring the power supply voltage.
2. Communication Systems: Protects sensitive circuitry from voltage fluctuations.
3. Industrial Control Systems: Provides voltage supervision for critical components.
4. Automotive Electronics: Ensures stable power supply for safety-critical systems.

Detailed and Complete Alternative Models

1. APX803-29SRG-7: Similar to APX803-26SRG-7 but with a higher threshold voltage of 2.9V.
2. APX803-33SRG-7: Another variant with a threshold voltage of 3.3V.
3. APX803L-31SRG-7: Low-power version with a threshold voltage of 3.1V.

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

In conclusion, the APX803-26SRG-7 is a voltage supervisor that ensures stable operation of electronic devices by monitoring the power supply voltage. With its wide operating voltage range, high accuracy, and adjustable delay time, it offers flexibility and reliability in various applications. However, it is important to note its limitations in terms of power management complexity.