APX809S-40SR-7

Product Overview

Category

APX809S-40SR-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
• RoHS compliant

Package

The APX809S-40SR-7 comes in a small SOT-23-3 package, which is suitable for space-constrained applications.

Essence

The essence of APX809S-40SR-7 lies in its ability to accurately monitor voltage levels and provide a reliable output signal.

Packaging/Quantity

The product is typically available in reels containing 3000 units.

Specifications

• Operating Voltage Range: 1.0V to 6.0V
• Threshold Voltage: 4.0V ± 2%
• Quiescent Current: 1.0µA (typical)
• Output Type: Active-Low
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The APX809S-40SR-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 outputs an active-low signal when the monitored voltage drops below the threshold.

Functional Features

• Accurate voltage monitoring: The APX809S-40SR-7 provides precise detection of voltage levels.
• Low power consumption: It consumes minimal power during operation, making it suitable for battery-powered devices.
• Reset output: The active-low reset signal can be used to trigger actions when the voltage falls below the threshold.
• Wide operating voltage range: The device can operate within a wide voltage range, making it versatile for various applications.

Advantages and Disadvantages

Advantages

• High accuracy in voltage monitoring
• Low power consumption
• Small package size for space-constrained designs
• Wide operating voltage range

Disadvantages

• Limited threshold voltage options
• Lack of adjustable threshold voltage

Working Principles

The APX809S-40SR-7 operates based on a voltage comparator circuit. It compares the input voltage with the internally set threshold voltage. When the input voltage drops below the threshold, the reset output becomes active-low, indicating a voltage fault condition.

Detailed Application Field Plans

The APX809S-40SR-7 finds applications in various fields, including:

1. Battery-powered devices: It can be used to monitor battery voltage levels and trigger actions when the voltage falls below a certain threshold.
2. Power supply units: The voltage detector ensures stable operation by detecting any voltage deviations.
3. Industrial automation: It can be employed in control systems to monitor critical voltage levels and initiate appropriate actions.

Detailed and Complete Alternative Models

1. APX809-29SAG-7: Similar to APX809S-40SR-7 but with a lower threshold voltage of 2.9V.
2. APX809-33SAG-7: Similar to APX809S-40SR-7 but with a lower threshold voltage of 3.3V.
3. APX809-50SAG-7: Similar to APX809S-40SR-7 but with a higher threshold voltage of 5.0V.

These alternative models provide flexibility in choosing the desired threshold voltage for specific applications.

In conclusion, the APX809S-40SR-7 is a voltage detector that offers high accuracy, low power consumption, and a wide operating voltage range. Its small package size makes it suitable for space-constrained designs. While it lacks adjustable threshold voltage options, it finds applications in various fields such as battery-powered devices, power supply units, and industrial automation. Alternative models with different threshold voltages are available to cater to specific requirements.