LM8365BALMFX27

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, Precision, Reset Output
• Package: SOT-23-5
• Essence: Monolithic CMOS IC
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

The LM8365BALMFX27 is a voltage supervisor IC designed to monitor the power supply voltage of electronic systems. It ensures proper system operation by generating a reset signal when the voltage falls below a predetermined threshold.

The device operates with low power consumption, making it suitable for battery-powered applications. It provides a precision voltage reference and features an open-drain output that can be easily interfaced with microcontrollers or other digital circuits.

Detailed Pin Configuration

The LM8365BALMFX27 is housed in a SOT-23-5 package, which has five pins. The pin configuration is as follows:

1. GND: Ground connection
2. MR: Manual Reset input
3. VCC: Power supply voltage input
4. RESET: Reset output
5. NC: No Connection (unused pin)

Functional Features

• Voltage Monitoring: The LM8365BALMFX27 continuously monitors the power supply voltage and compares it to a fixed threshold.
• Precision Reference: It incorporates a precise voltage reference to ensure accurate monitoring.
• Reset Generation: When the voltage drops below the threshold, the IC generates a reset signal on the RESET pin.
• Manual Reset: The MR pin allows for manual reset control, overriding the automatic reset generation.
• Open-Drain Output: The RESET pin is an open-drain output, enabling easy interfacing with various digital circuits.

Advantages and Disadvantages

Advantages: - Low power consumption - Precision voltage monitoring - Manual reset capability - Easy interfacing with digital circuits

Disadvantages: - Limited to voltage monitoring and reset generation functionality - No built-in protection features for overvoltage or undervoltage conditions

Working Principles

The LM8365BALMFX27 operates by comparing the power supply voltage with a fixed threshold. When the voltage falls below this threshold, the internal circuitry triggers the generation of a reset signal. This signal remains active until the voltage rises above the threshold again.

The IC utilizes a precision voltage reference to ensure accurate monitoring. The open-drain output allows for flexibility in connecting to different digital circuits.

Detailed Application Field Plans

The LM8365BALMFX27 finds applications in various electronic systems where voltage monitoring and reset generation are critical. Some potential application fields include:

1. Microcontroller-based Systems: Ensuring proper system initialization and preventing erratic behavior during power-up.
2. Battery-powered Devices: Monitoring battery voltage to prevent deep discharge and protect sensitive components.
3. Industrial Control Systems: Providing reliable reset signals to maintain system integrity during power fluctuations.
4. Automotive Electronics: Safeguarding critical components by monitoring the vehicle's power supply voltage.

Detailed and Complete Alternative Models

1. LM8364BALMFX27: Similar to LM8365BALMFX27 but with an additional power-on reset delay feature.
2. MAX823L: Voltage supervisor IC with adjustable threshold and push-pull output.
3. TPS3808G01: Ultra-low-power voltage supervisor with programmable delay and manual reset input.

These alternative models offer similar functionality and can be considered as alternatives to the LM8365BALMFX27 based on specific requirements.

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