MAX803LEXR+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics:
  • Low-power consumption
  • Wide operating voltage range
  • Adjustable reset threshold voltage
  • Small package size
• Package: SOT23-3
• Essence: Provides voltage monitoring and reset functionality in electronic circuits
• 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, or adjustable
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX803LEXR+T IC has three pins:

1. VCC: Power supply input pin
2. GND: Ground reference pin
3. RESET: Output pin that goes low when the monitored voltage drops below the threshold

Functional Features

• Monitors the voltage level of the power supply
• Generates a reset signal when the voltage falls below the specified threshold
• Provides a stable reset output during power-up and power-down sequences
• Offers an adjustable reset threshold option for flexibility in different applications

Advantages and Disadvantages

Advantages: - Low-power consumption makes it suitable for battery-powered devices - Wide operating voltage range allows compatibility with various systems - Adjustable reset threshold voltage accommodates different voltage levels - Small package size saves board space

Disadvantages: - Fixed reset timeout period may not be suitable for all applications - Limited number of available reset threshold voltage options

Working Principles

The MAX803LEXR+T operates by continuously monitoring the voltage level at the VCC pin. When the voltage drops below the specified threshold, the RESET pin is pulled low, indicating a reset condition. The reset signal remains active until the voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The MAX803LEXR+T is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are required. Some application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Power management circuits
4. Industrial control systems
5. Automotive electronics

Detailed and Complete Alternative Models

1. MAX809/MAX810: Similar voltage monitor and reset ICs with different package options
2. MAX811: Voltage monitor and reset IC with manual reset input option
3. MAX1232: Supervisory circuit with watchdog timer functionality

These alternative models offer similar features and can be considered based on specific requirements and preferences.

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