LM8364BALMFX32/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 reliable operation of microcontrollers, microprocessors, and other digital systems by preventing erratic behavior during power-up and power-down sequences. - Provides a stable and accurate reset output.

Package: SOT-23-5

Essence: The LM8364BALMFX32/NOPB is a voltage supervisor IC designed to monitor the power supply voltage and generate a reset signal when the voltage drops below a specified level. It ensures proper functioning of digital systems by preventing unpredictable behavior during power transitions.

Packaging/Quantity: The LM8364BALMFX32/NOPB is available in a SOT-23-5 package. It is typically sold in reels containing 3000 units.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 3.30V, 3.45V, 3.63V, 4.38V, 4.63V
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 10μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM8364BALMFX32/NOPB has a total of five pins:

1. GND: Ground connection.
2. MR: Manual reset input pin. When pulled low, it forces the reset output to remain active.
3. VCC: Power supply input pin.
4. RESET: Reset output pin. It goes low when the monitored voltage falls below the threshold.
5. VBAT: Battery voltage input pin.

Functional Features

1. Voltage Monitoring: The LM8364BALMFX32/NOPB continuously monitors the power supply voltage and compares it to a preset threshold.
2. Reset Generation: When the voltage drops below the threshold, the IC generates a reset signal on the RESET pin, indicating that the system should be reset.
3. Manual Reset: The MR pin allows for manual resetting of the system by pulling it low.
4. Adjustable Threshold: The IC offers multiple options for the reset threshold voltage, allowing flexibility in different applications.
5. Low Power Consumption: With a quiescent current of only 10μA, the LM8364BALMFX32/NOPB minimizes power consumption.

Advantages and Disadvantages

Advantages: - Ensures reliable operation of digital systems during power transitions. - Adjustable threshold voltage for flexibility. - Low power consumption. - Compact SOT-23-5 package.

Disadvantages: - Limited number of available threshold voltage options. - Requires an external pull-up resistor for the MR pin.

Working Principles

The LM8364BALMFX32/NOPB operates by comparing the power supply voltage with a preset threshold voltage. When the voltage falls below the threshold, the IC generates a reset signal, indicating that the system should be reset. The manual reset feature allows for additional control over the reset signal. The IC consumes minimal power, making it suitable for battery-powered applications.

Application Field Plans

The LM8364BALMFX32/NOPB finds applications in various fields where reliable voltage monitoring and reset generation are crucial. Some potential application areas include:

1. Microcontrollers: Ensures proper initialization and stable operation of microcontroller-based systems.
2. Microprocessors: Prevents erratic behavior during power-up and power-down sequences in microprocessor-based systems.
3. Digital Systems: Provides reliable reset functionality for various digital systems, such as embedded systems, industrial control systems, and consumer electronics.

Alternative Models

1. LM8364BALMF32/NOPB: Similar to LM8364BALMFX32/NOPB but with a different package (SOT-23-6).
2. LM8364BALMFX33/NOPB: Offers a different reset threshold voltage range.
3. LM8364BALMFX32X/NOPB: Extended temperature range variant (-40°C to +125°C).

These alternative models provide similar functionality but may differ in package type, reset threshold options, or operating temperature range.

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