APX809S-31SA-7

Product Overview

Category

APX809S-31SA-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
• Built-in hysteresis function

Package

The APX809S-31SA-7 comes in a small SOT-23-3 package.

Essence

The essence of APX809S-31SA-7 lies in its ability to accurately monitor voltage levels and provide reliable detection in various electronic applications.

Packaging/Quantity

The product is typically packaged in reels, with each reel containing a specific quantity of APX809S-31SA-7 units.

Specifications

• Operating Voltage Range: 2.5V to 6.0V
• Threshold Voltage: 3.1V ± 1.0%
• Supply Current: 1.0µA (typical)
• Output Type: Active Low
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The APX809S-31SA-7 has three pins:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin that goes low when the monitored voltage drops below the threshold.

Functional Features

• Accurate voltage monitoring
• Low power consumption
• Built-in hysteresis for noise immunity
• Active low output for easy integration with other circuits

Advantages

• Wide operating voltage range allows for versatile use in different applications.
• Small package size enables space-saving designs.
• Low power consumption prolongs battery life in portable devices.
• Built-in hysteresis function ensures stable and reliable voltage detection.

Disadvantages

• The fixed threshold voltage may not be suitable for all applications.
• Limited pin configuration options may restrict certain circuit designs.

Working Principles

The APX809S-31SA-7 operates by comparing the input voltage with a fixed threshold voltage. When the input voltage drops below the threshold, the RESET pin goes low, indicating a voltage fault condition.

Detailed Application Field Plans

APX809S-31SA-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 drops below a certain threshold.
2. Power supply units: It ensures stable operation by detecting abnormal voltage conditions and initiating appropriate actions.
3. Industrial control systems: The voltage detector can be employed to monitor critical voltages in industrial equipment and provide necessary protection.

Detailed and Complete Alternative Models

1. APX809-31SA-7: Similar to APX809S-31SA-7 but with a different package (SOT-89-3).
2. APX809T-31SA-7: Offers the same functionality as APX809S-31SA-7 but with a higher operating temperature range (-40°C to +125°C).

These alternative models provide flexibility in terms of package options and extended temperature range suitability.

In conclusion, the APX809S-31SA-7 is a voltage detector with high accuracy, low power consumption, and a wide operating voltage range. Its small package size and built-in hysteresis function make it suitable for various applications. However, it has a fixed threshold voltage and limited pin configuration options. Overall, it is a reliable component for voltage monitoring in electronic circuits.