APX803L-40SA-7

Product Overview

Category

APX803L-40SA-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
• High accuracy
• Wide operating voltage range
• Small package size
• Reset output delay time adjustable

Package

The APX803L-40SA-7 comes in a small SOT-23-3 package.

Essence

The essence of APX803L-40SA-7 lies in its ability to provide reliable voltage monitoring and reset functions in various electronic applications.

Packaging/Quantity

The product is typically packaged in reels, with each reel containing a specific quantity of APX803L-40SA-7 units.

Specifications

• Supply Voltage Range: 1.0V to 6.0V
• Threshold Voltage: 4.0V ± 2.0%
• Reset Output Type: Active Low
• Reset Output Delay Time: Adjustable (typically 200ms)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The APX803L-40SA-7 has three pins:

1. VDD: Connect this pin to the positive supply voltage.
2. GND: Connect this pin to the ground or negative supply voltage.
3. RESET: This pin provides the reset output signal.

Functional Features

• Voltage Monitoring: The APX803L-40SA-7 continuously monitors the supply voltage and generates a reset signal when it falls below the threshold voltage.
• Adjustable Reset Delay: The reset output delay time can be adjusted according to the application requirements.
• Low Power Consumption: The device consumes minimal power during operation, making it suitable for battery-powered applications.
• High Accuracy: The voltage threshold is highly accurate, ensuring reliable monitoring and control.

Advantages and Disadvantages

Advantages

• Small package size allows for space-saving integration into compact electronic devices.
• Wide operating voltage range makes it compatible with a variety of power supply systems.
• Adjustable reset delay time provides flexibility in different applications.
• High accuracy ensures precise voltage monitoring.

Disadvantages

• Limited to monitoring and controlling the power supply voltage, may not be suitable for more complex system monitoring requirements.
• SOT-23-3 package may require specialized handling during assembly.

Working Principles

The APX803L-40SA-7 operates by comparing the supply voltage with the preset threshold voltage. When the supply voltage drops below the threshold, the device triggers the reset output signal. The reset output remains active until the supply voltage rises above the threshold and the reset delay time elapses.

Detailed Application Field Plans

The APX803L-40SA-7 finds application in various electronic devices and systems, including but not limited to: - Microcontrollers - Embedded systems - Power management circuits - Battery-powered devices - Industrial automation equipment

Detailed and Complete Alternative Models

1. APX803L-30SA-7: Similar to APX803L-40SA-7, but with a threshold voltage of 3.0V.
2. APX803L-50SA-7: Similar to APX803L-40SA-7, but with a threshold voltage of 5.0V.
3. APX803M-40SA-7: A variant with an open-drain reset output instead of active low.

These alternative models provide options for different threshold voltages and output configurations, catering to diverse application requirements.

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