LM809M3X-2.63/NOPB

Product Overview

Category

The LM809M3X-2.63/NOPB belongs to the category of voltage supervisors.

Use

This product is primarily used for monitoring and controlling the voltage levels in electronic circuits.

Characteristics

• Voltage Range: 2.63V
• Package Type: SOT-23
• Supply Current: 10µA (typical)
• Reset Threshold Accuracy: ±1.5%
• Operating Temperature Range: -40°C to +125°C
• Output Type: Active Low

Package

The LM809M3X-2.63/NOPB comes in a small outline transistor (SOT-23) package, which is widely used in the electronics industry due to its compact size and ease of integration.

Essence

The essence of the LM809M3X-2.63/NOPB lies in its ability to provide accurate voltage monitoring and reset generation, ensuring the reliable operation of electronic systems.

Packaging/Quantity

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

Specifications

• Supply Voltage Range: 1.6V to 6V
• Reset Threshold Voltage: 2.63V
• Reset Timeout Period: 200ms (minimum)
• Quiescent Current: 10µA (typical)
• Power-On Reset Delay: 20ms (typical)
• Active Low Reset Output
• Low Output State Current: 8mA (maximum)

Detailed Pin Configuration

The LM809M3X-2.63/NOPB has three pins:

1. VDD: This pin is connected to the positive supply voltage.
2. GND: This pin is connected to the ground reference.
3. RESET: This pin provides the active low reset output.

Functional Features

• Accurate Voltage Monitoring: The LM809M3X-2.63/NOPB ensures precise monitoring of the supply voltage, triggering a reset signal when it falls below the specified threshold.
• Reset Generation: Upon detecting a voltage drop below the threshold, the device generates an active low reset signal to initiate system recovery or shutdown.
• Low Power Consumption: With a quiescent current of only 10µA, this voltage supervisor minimizes power consumption in battery-powered applications.
• Fast Response Time: The LM809M3X-2.63/NOPB has a quick reset timeout period of 200ms, enabling rapid system recovery after a voltage fault.

Advantages and Disadvantages

Advantages

• High accuracy in voltage monitoring.
• Compact SOT-23 package for easy integration.
• Low power consumption.
• Fast response time for efficient system recovery.

Disadvantages

• Limited voltage range (1.6V to 6V).
• Active low reset output may not be suitable for all applications.

Working Principles

The LM809M3X-2.63/NOPB operates by comparing the supply voltage with the preset threshold voltage. When the supply voltage drops below the threshold, the device triggers the active low reset output, indicating a fault condition. This reset signal can be used to initiate appropriate actions, such as system recovery or shutdown, ensuring the stability and reliability of the electronic circuit.

Detailed Application Field Plans

The LM809M3X-2.63/NOPB finds application in various fields, including:

1. Microcontrollers: It is commonly used to monitor the power supply voltage of microcontroller-based systems, ensuring reliable operation and preventing data corruption during voltage fluctuations.
2. Industrial Control Systems: The LM809M3X-2.63/NOPB plays a vital role in monitoring the power supply voltage in industrial control systems, preventing damage to sensitive components and ensuring uninterrupted operation.
3. Automotive Electronics: This voltage supervisor is utilized in automotive electronics to monitor critical voltage levels, triggering appropriate actions to protect the vehicle's electrical system from potential failures.

Detailed and Complete Alternative Models

1. LM809M3X-2.93/NOPB: Similar to LM809M3X-2.63/NOPB, but with a higher reset threshold voltage of 2.93V.
2. LM809M3X-3.08/NOPB: Another alternative with a reset threshold voltage of 3.08V.
3. LM809M3X-3.63/NOPB: This model has a higher reset threshold voltage of 3.63V.

These alternative models provide flexibility in choosing the appropriate voltage supervisor based on specific application requirements.

In conclusion, the LM809M3X-2.63/NOPB is a voltage supervisor that offers accurate voltage monitoring, reset generation, and low power consumption. With its compact package and fast response time, it finds applications in various fields such as micro