MAX810MEXR+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, Precision, Supervisor Circuit
• Package: SOT-23-3
• Essence: Monitors the power supply voltage and generates a reset signal when the voltage falls below a specified threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V, 4.63V
• Reset Timeout Period Options: 140ms, 280ms, 560ms, 1120ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX810MEXR+T has three pins:

1. GND: Ground connection.
2. RESET: Output pin that provides a reset signal when the monitored voltage drops below the threshold.
3. VCC: Power supply input.

Functional Features

• Monitors the power supply voltage continuously.
• Generates a reset signal when the voltage falls below the specified threshold.
• Provides a debounced reset output to ensure reliable system reset.
• Low quiescent current consumption of only 1µA.
• Precision voltage reference with ±1.25% accuracy.
• Built-in glitch immunity for noisy environments.

Advantages and Disadvantages

Advantages

• Small package size allows for space-saving designs.
• Wide operating voltage range enables compatibility with various systems.
• Low power consumption prolongs battery life in portable applications.
• Accurate voltage monitoring ensures reliable system operation.
• Glitch immunity enhances performance in noisy environments.

Disadvantages

• Limited reset timeout period options may not suit all applications.
• SOT-23-3 package may require additional handling precautions during assembly.

Working Principles

The MAX810MEXR+T operates by comparing the supply voltage with a fixed threshold voltage. When the supply voltage drops below the threshold, the internal comparator triggers and generates a reset signal. The reset signal remains active until the supply voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The MAX810MEXR+T is commonly used in various electronic systems where reliable power supply monitoring and system reset functionality are required. Some typical application fields include:

1. Microcontrollers and Microprocessors
2. Embedded Systems
3. Industrial Control Systems
4. Automotive Electronics
5. Medical Devices
6. Consumer Electronics

Detailed and Complete Alternative Models

1. MAX809MEXR+T: Similar to MAX810MEXR+T but with different reset threshold voltage options.
2. MAX811MEXR+T: Similar to MAX810MEXR+T but with an active-low reset output.
3. MAX813MEXR+T: Similar to MAX810MEXR+T but with adjustable reset timeout period options.

These alternative models offer flexibility in selecting the desired specifications based on specific application requirements.

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