LM809M3-2.45/NOPB

Product Overview

Category

The LM809M3-2.45/NOPB belongs to the category of voltage supervisors.

Use

It is used to monitor the power supply voltage level and provide a reset signal to the microcontroller or other digital system in the event of a power failure or voltage drop.

Characteristics

• Voltage Monitoring: Monitors the power supply voltage and provides a reset signal when the voltage falls below a predetermined threshold.
• Low Power Consumption: Consumes minimal power, making it suitable for battery-powered applications.
• Small Package: Comes in a small SOT-23 package, making it suitable for space-constrained designs.
• Accuracy: Provides accurate voltage monitoring with low voltage hysteresis.

Package

The LM809M3-2.45/NOPB is available in a SOT-23 package.

Essence

The essence of the LM809M3-2.45/NOPB lies in its ability to ensure reliable operation of digital systems by monitoring the power supply voltage and providing a reset signal when necessary.

Packaging/Quantity

The LM809M3-2.45/NOPB is typically supplied in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

• Voltage Threshold: 2.45V
• Hysteresis: 50mV
• Operating Temperature Range: -40°C to 125°C
• Supply Current: 10µA
• Reset Timeout Period: 140ms

Detailed Pin Configuration

The LM809M3-2.45/NOPB has three pins: 1. VCC: Power supply input 2. GND: Ground 3. RESET: Reset output

Functional Features

The LM809M3-2.45/NOPB offers the following functional features: - Voltage Monitoring: Constantly monitors the power supply voltage. - Reset Output: Provides a reset signal to the connected digital system when the voltage falls below the threshold.

Advantages and Disadvantages

Advantages

• Low power consumption
• Accurate voltage monitoring
• Small package size

Disadvantages

• Fixed voltage threshold may not be suitable for all applications
• Limited reset timeout period

Working Principles

The LM809M3-2.45/NOPB operates by comparing the power supply voltage with the preset threshold. When the voltage drops below the threshold, the reset output is activated, signaling the connected digital system to reset.

Detailed Application Field Plans

The LM809M3-2.45/NOPB is commonly used in various applications including: - Battery-powered devices - Embedded systems - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the LM809M3-2.45/NOPB include: - MAX809 - ADM809 - TPS3808

In conclusion, the LM809M3-2.45/NOPB is a voltage supervisor with specific characteristics and functional features that make it suitable for a wide range of applications, especially those requiring reliable voltage monitoring and reset functionality.

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