LM8364BALMF20/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Supervisor

Characteristics: - Monitors the power supply voltage and generates a reset signal when the voltage falls below a predetermined threshold - Ensures proper operation of microcontrollers, microprocessors, and other digital systems - Provides reliable power-on reset (POR) to prevent system malfunction during power-up or brownout conditions

Package: SOT-23-5

Essence: The LM8364BALMF20/NOPB is a voltage supervisor IC designed to monitor the power supply voltage and generate a reset signal when the voltage drops below a specific threshold. It is widely used in various electronic devices to ensure proper system operation.

Packaging/Quantity: The LM8364BALMF20/NOPB is available in a small SOT-23-5 package. It is typically sold in reels containing a specified quantity of ICs.

Specifications

• Supply Voltage Range: 1.6V to 6.0V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 3.30V, 3.45V, 4.38V, 4.63V, 4.75V
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 10μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM8364BALMF20/NOPB has five pins arranged as follows:

```

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| | --| VDD |-- --| GND |-- --| MR |-- --| RESET |-- |_______| ```

Pin descriptions: - VDD: Power supply input - GND: Ground reference - MR: Manual reset input (active-low) - RESET: Reset output

Functional Features

1. Voltage Monitoring: The LM8364BALMF20/NOPB continuously monitors the power supply voltage and compares it to the preset threshold voltage.
2. Reset Generation: When the voltage falls below the threshold, the IC generates a reset signal on the RESET pin, indicating that the power supply is insufficient.
3. Manual Reset: The MR pin allows for manual resetting of the system by pulling it low.
4. Reset Timeout: The generated reset signal remains active for a fixed timeout period (140ms typical) after the voltage rises above the threshold.

Advantages and Disadvantages

Advantages: - Compact size and easy integration into various electronic systems - Wide operating voltage range allows for versatile applications - Low quiescent current minimizes power consumption - Reliable power-on reset ensures proper system initialization

Disadvantages: - Limited number of available reset threshold voltage options - Lack of adjustable timeout period may not suit all application requirements

Working Principles

The LM8364BALMF20/NOPB operates based on a voltage comparator circuit. It compares the power supply voltage with the preset threshold voltage using an internal reference. When the voltage drops below the threshold, the comparator triggers the generation of a reset signal. This signal remains active for a fixed timeout period, ensuring proper system initialization.

Detailed Application Field Plans

The LM8364BALMF20/NOPB finds extensive use in various electronic systems, including but not limited to: 1. Microcontroller-based systems 2. Microprocessor-based systems 3. Digital communication devices 4. Industrial control systems 5. Automotive electronics 6. Battery-powered devices

Detailed and Complete Alternative Models

1. LM8364BALMF30/NOPB: Similar to LM8364BALMF20/NOPB but with different reset threshold voltage options.
2. LM8364BALMF10/NOPB: Similar to LM8364BALMF20/NOPB but with a lower operating voltage range.
3. LM8364BALMF40/NOPB: Similar to LM8364BALMF20/NOPB but with higher reset threshold voltage options.

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

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