MAX809MEUR+TG24

Product Overview

• Category: Integrated Circuits
• Use: Voltage Supervisor
• Characteristics: Low-power, Precision, Reset Output
• Package: SOT-23-3
• Essence: Monolithic Microprocessor Reset Circuits
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 3.30V, 4.38V
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX809MEUR+TG24 is a three-pin device with the following pin configuration:

• Pin 1: GND (Ground)
• Pin 2: RESET (Reset Output)
• Pin 3: VCC (Supply Voltage)

Functional Features

• Precision Monitoring: The MAX809MEUR+TG24 provides accurate monitoring of the supply voltage, ensuring reliable operation of the microprocessor.
• Reset Output: When the supply voltage drops below the reset threshold, the device asserts the reset output, signaling the microprocessor to restart or enter a safe state.
• Low Power Consumption: The integrated circuits are designed to consume minimal power, making them suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures system reliability. - Low-power design extends battery life in portable devices. - Small package size allows for space-efficient integration.

Disadvantages: - Limited reset threshold and timeout period options may not suit all applications. - Lack of additional features such as adjustable hysteresis or manual reset input.

Working Principles

The MAX809MEUR+TG24 operates by comparing the supply voltage with a fixed threshold. When the supply voltage drops below the selected threshold, the device triggers the reset output, indicating a power failure or unstable condition. The reset output remains active until the supply voltage rises above the threshold and the timeout period elapses.

Detailed Application Field Plans

The MAX809MEUR+TG24 is commonly used in various applications, including:

1. Microcontroller Systems: Provides reliable reset functionality for microcontrollers, ensuring proper initialization after power-up or brownout conditions.
2. Embedded Systems: Monitors the supply voltage in embedded systems, preventing erratic behavior or data corruption during power fluctuations.
3. Industrial Control Systems: Ensures stable operation of industrial control systems by resetting the microprocessor in case of power disturbances.
4. Automotive Electronics: Protects automotive electronic systems from voltage dips or transients, maintaining their proper functioning.

Detailed and Complete Alternative Models

• MAX809SEUR+TG24: Similar to MAX809MEUR+TG24 but with different reset threshold and timeout period options.
• MAX810MEUR+TG24: Offers additional features like adjustable hysteresis and manual reset input.
• MAX811MEUR+TG24: Provides a push-pull reset output instead of an open-drain configuration.

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