LM809M3X-4.00

Overview

LM809M3X-4.00 is a product belonging to the category of voltage supervisors. It is commonly used in electronic devices to monitor and control the power supply voltage. This component ensures that the voltage remains within specified limits, preventing damage to sensitive circuitry. The LM809M3X-4.00 exhibits several characteristics such as high accuracy, low power consumption, and a compact package. It is available in a SOT-23 package and is typically sold in reels of 3000 units.

Specifications

The LM809M3X-4.00 has the following specifications: - Supply Voltage Range: 1.6V to 5.5V - Threshold Voltage: 4.00V - Accuracy: ±1% - Quiescent Current: 2µA (typical) - Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM809M3X-4.00 features a 3-pin configuration with the following pinout:

```

| | --| VDD GND |-- Pin 1: Ground (GND) --| RESET OUT |-- Pin 2: Reset Output (RESET OUT) |___________| ```

Functional Features

The LM809M3X-4.00 offers the following functional features: - Voltage Monitoring: Monitors the input voltage and provides a reset signal when it falls below the threshold voltage. - Precision: Provides accurate voltage monitoring with a tolerance of ±1%. - Low Power Consumption: Consumes only 2µA of quiescent current, making it suitable for battery-powered applications. - Reset Output: Generates a reset signal that can be used to initialize or restart the system when the voltage drops below the threshold.

Advantages and Disadvantages

Advantages of the LM809M3X-4.00 include its high accuracy, low power consumption, and compact package size. It is also easy to integrate into various electronic devices. However, a potential disadvantage is that it operates within a limited voltage range of 1.6V to 5.5V, which may not be suitable for all applications.

Working Principles

The LM809M3X-4.00 works based on a voltage comparator circuit. It compares the input voltage with the threshold voltage set at 4.00V. When the input voltage drops below this threshold, the reset output is activated, indicating a low voltage condition. This signal can be used to trigger a system reset or perform other necessary actions.

Application Field Plans

The LM809M3X-4.00 finds extensive application in various electronic devices where voltage monitoring and control are critical. Some specific application fields include: - Battery-powered devices: Ensures proper functioning by monitoring the battery voltage and initiating a reset when necessary. - Microcontrollers: Protects sensitive microcontroller circuits from voltage fluctuations, preventing data corruption or system failures. - Industrial equipment: Monitors power supply voltages in industrial machinery, ensuring stable operation and preventing damage to components.

Alternative Models

In addition to the LM809M3X-4.00, there are several alternative models available in the market that offer similar functionality. Some notable alternatives include: - LM809M3X-4.10: Similar to LM809M3X-4.00 but with a threshold voltage of 4.10V. - LM809M3X-3.30: Offers a lower threshold voltage of 3.30V, suitable for applications with lower voltage requirements. - LM809M3X-4.50: Provides a higher threshold voltage of 4.50V, suitable for applications with higher voltage tolerances.

In conclusion, the LM809M3X-4.00 is a voltage supervisor component widely used in electronic devices for voltage monitoring and control. Its high accuracy, low power consumption, and compact package make it an ideal choice for various applications. However, its limited voltage range may restrict its use in certain scenarios.