APX809S-44SR-7

Product Overview

Category

APX809S-44SR-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-44SR-7 comes in a small SOT-23-3 package.

Essence

The essence of APX809S-44SR-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 3000 units per reel.

Specifications

• Operating Voltage Range: 1.2V to 6.0V
• Detection Voltage Options: 4.4V
• Accuracy: ±1.5%
• Quiescent Current: 1μA (typical)
• Output Type: Active-Low
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The APX809S-44SR-7 has three pins:

1. VDD: Connects to the positive supply voltage.
2. GND: Connects to the ground reference.
3. RESET: Active-low output that indicates the voltage level has fallen below the detection threshold.

Functional Features

• Accurate voltage monitoring
• Active-low reset output
• Built-in hysteresis for noise immunity
• Low quiescent current consumption
• Wide operating voltage range

Advantages and Disadvantages

Advantages

• High accuracy ensures reliable voltage monitoring.
• Low power consumption prolongs battery life in portable devices.
• Small package size allows for space-saving integration.
• Wide operating voltage range makes it suitable for various applications.
• Built-in hysteresis function enhances noise immunity.

Disadvantages

• Limited detection voltage options may not cater to all specific requirements.
• Active-low output may require additional circuitry for certain applications.

Working Principles

The APX809S-44SR-7 operates by comparing the input voltage with a fixed detection threshold. When the voltage falls below the threshold, the active-low reset output is triggered, indicating a low voltage condition. The built-in hysteresis ensures stable operation and prevents false triggering due to noise or voltage fluctuations.

Detailed Application Field Plans

APX809S-44SR-7 finds application in various electronic systems, including but not limited to: - Battery-powered devices - Power management circuits - Microcontrollers and microprocessors - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

1. APX809-29SAG-7: Detection voltage of 2.9V, SOT-23-3 package.
2. APX809-33SAG-7: Detection voltage of 3.3V, SOT-23-3 package.
3. APX809-50SAG-7: Detection voltage of 5.0V, SOT-23-3 package.
4. APX809-25SAG-7: Detection voltage of 2.5V, SOT-23-3 package.
5. APX809-30SAG-7: Detection voltage of 3.0V, SOT-23-3 package.

These alternative models provide different detection voltage options while maintaining similar characteristics and package sizes.

In conclusion, the APX809S-44SR-7 voltage detector offers accurate monitoring, low power consumption, and a compact form factor. Its wide operating voltage range and built-in hysteresis function make it suitable for various applications. However, limited detection voltage options and the need for additional circuitry in certain cases are its drawbacks. It finds application in battery-powered devices, power management circuits, microcontrollers, industrial control systems, and automotive electronics. Alternative models with different detection voltages are available to cater to specific requirements.