MAX811REUS+TG24

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics:
  • Monitors the power supply voltage of a microcontroller or other digital system
  • Generates a reset signal when the voltage drops below a specified threshold
  • Ensures proper operation and prevents data corruption in the event of a power supply failure
• Package: SOT-143
• Essence: Provides reliable voltage monitoring and reset functionality for digital systems
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.63V, 4.38V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX811REUS+TG24 has the following pin configuration:

1. GND: Ground connection
2. MR: Manual Reset input
3. RESET: Reset output
4. VCC: Power supply voltage input

Functional Features

• Monitors the power supply voltage continuously
• Generates a reset signal when the voltage falls below the set threshold
• Reset signal remains active until the voltage rises above the threshold and the reset timeout period elapses
• Manual Reset input allows for external triggering of a reset signal
• Low quiescent current consumption

Advantages

• Compact SOT-143 package allows for space-saving integration into small electronic devices
• Wide supply voltage range enables compatibility with various digital systems
• Multiple threshold voltage options provide flexibility for different voltage monitoring requirements
• Reliable reset functionality ensures system stability and data integrity

Disadvantages

• Limited reset timeout period may not be suitable for applications requiring longer reset delays
• SOT-143 package may have limitations in terms of heat dissipation

Working Principles

The MAX811REUS+TG24 operates by continuously monitoring the power supply voltage connected to its VCC pin. When the voltage drops below the set threshold, the circuit generates a reset signal on the RESET pin. This signal remains active until the voltage rises above the threshold and the reset timeout period elapses. The manual reset input (MR) allows for an external trigger to generate a reset signal.

Detailed Application Field Plans

The MAX811REUS+TG24 is commonly used in various digital systems where reliable voltage monitoring and reset functionality are crucial. Some application fields include:

1. Microcontrollers: Ensures proper operation and prevents data corruption during power supply fluctuations.
2. Embedded Systems: Provides a stable reset mechanism for system initialization and recovery.
3. Industrial Control Systems: Safeguards against power supply failures to maintain uninterrupted operation.
4. Automotive Electronics: Protects sensitive electronic components from voltage variations.

Detailed and Complete Alternative Models

1. MAX809REUR+: Similar voltage monitor and reset circuit with a different package (SOT-23).
2. MAX813LESA+: Voltage monitor and reset circuit with adjustable threshold voltage options.
3. MAX812REUS+T: Voltage monitor and reset circuit with a longer reset timeout period.

Note: These alternative models offer similar functionality but may have differences in package, specifications, or additional features.

Word count: 408 words