MAX803LEXR+TG002

Product Overview

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

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 3.30V, 4.38V
• Reset Timeout Period: 140ms, 280ms, 560ms, 1120ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX803LEXR+TG002 has three pins:

1. GND: Ground connection.
2. RESET: Active-low reset output.
3. VCC: Supply voltage input.

Functional Features

• Monitors the supply voltage continuously.
• Generates a reset signal when the voltage drops below the set threshold.
• Provides a stable reset output during power-up and power-down sequences.
• Low quiescent current consumption for power-sensitive applications.
• Precision voltage monitoring with selectable threshold options.

Advantages

• Small package size allows for space-efficient designs.
• Wide supply voltage range enables compatibility with various systems.
• Multiple threshold voltage options provide flexibility in different applications.
• Low power consumption extends battery life in portable devices.
• Reliable reset output ensures proper system initialization.

Disadvantages

• Limited reset timeout period options may not suit all application requirements.
• SOT-23-3 package may be challenging for manual soldering.

Working Principles

The MAX803LEXR+TG002 operates by comparing the supply voltage with a reference threshold voltage. When the supply voltage drops below the set threshold, the internal circuitry triggers the reset output to go low. This signal can be used to initiate system resets or perform other necessary actions. The device continuously monitors the voltage level and maintains the reset output until the supply voltage rises above the threshold again.

Detailed Application Field Plans

The MAX803LEXR+TG002 is commonly used in various applications, including:

1. Battery-Powered Devices: Provides voltage monitoring and reset functionality to ensure proper operation and prevent data corruption during low battery conditions.
2. Microcontroller Systems: Enables reliable system initialization by resetting the microcontroller when the supply voltage falls below the specified threshold.
3. Industrial Control Systems: Monitors power supply integrity and initiates system resets to maintain stable operation in critical industrial environments.
4. Automotive Electronics: Ensures proper functioning of automotive systems by monitoring voltage levels and triggering resets if necessary.

Detailed and Complete Alternative Models

1. MAX809LEXR+TG002: Similar to MAX803LEXR+TG002 but with different reset timeout period options.
2. MAX811TEXR+TG002: Voltage monitor with manual reset input and adjustable threshold voltage options.
3. MAX809REUR+T: SOT-23-3 package voltage monitor with fixed 2.93V threshold voltage and push-pull reset output.

(Note: These alternative models are provided as examples and may not cover all available options in the market.)

This entry provides an overview of the MAX803LEXR+TG002 voltage monitor IC. It includes information about its category, use, characteristics, package, essence, packaging/quantity details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.