APX809S-40SA-7

Product Overview

Category

APX809S-40SA-7 belongs to the category of voltage detectors.

Use

It is primarily used for monitoring and detecting the voltage level in electronic circuits.

Characteristics

• Low power consumption
• High accuracy
• Wide operating voltage range
• Small package size
• RoHS compliant

Package

The APX809S-40SA-7 comes in a small SOT-23-3 package.

Essence

The essence of APX809S-40SA-7 lies in its ability to accurately monitor voltage levels in electronic circuits, ensuring proper functioning and preventing damage due to overvoltage or undervoltage conditions.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

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-40SA-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 APX809S-40SA-7 provides precise detection of voltage levels within the specified range.
• Active low reset output: The RESET pin goes low when the monitored voltage falls below the threshold, indicating a reset condition.
• Low power consumption: The device operates with minimal power consumption, making it suitable for battery-powered applications.
• Wide operating voltage range: It can be used in a variety of electronic circuits with different voltage requirements.

Advantages and Disadvantages

Advantages

• High accuracy in voltage monitoring.
• Low power consumption extends battery life.
• Small package size allows for space-saving designs.
• Wide operating voltage range provides versatility in applications.

Disadvantages

• Limited to voltage monitoring functionality only.
• Requires external components for complete circuit implementation.

Working Principles

The APX809S-40SA-7 operates based on a voltage comparator principle. It compares the input voltage with the internally set threshold voltage. When the input voltage falls below the threshold, the RESET pin goes low, indicating a reset condition.

Detailed Application Field Plans

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

1. Battery-powered devices: It ensures proper voltage levels in portable electronics, preventing damage due to overvoltage or undervoltage conditions.
2. Power supply units: The voltage detector can be used to monitor the output voltage of power supplies, providing protection against voltage fluctuations.
3. Industrial control systems: It plays a crucial role in monitoring voltage levels in industrial control circuits, ensuring stable operation and preventing equipment damage.

Detailed and Complete Alternative Models

1. APX809-29SAG-7: Similar to APX809S-40SA-7 but with a lower threshold voltage of 2.9V.
2. APX809-46SAG-7: Similar to APX809S-40SA-7 but with a higher threshold voltage of 4.6V.
3. APX809-33SAG-7: Similar to APX809S-40SA-7 but with a threshold voltage of 3.3V.

These alternative models provide flexibility in voltage monitoring applications, catering to different voltage level requirements.

In conclusion, the APX809S-40SA-7 is a voltage detector with high accuracy, low power consumption, and a wide operating voltage range. It finds applications in various fields, ensuring proper voltage levels and preventing damage. Alternative models offer further customization options for specific voltage monitoring needs.