MAX6728KAVDD3+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Monitoring and Reset IC

Characteristics: - Monitors the voltage level of a power supply - Generates a reset signal when the voltage falls below a specified threshold - Ensures reliable operation of microprocessors, microcontrollers, and other digital systems

Package: SOT23-3

Essence: The MAX6728KAVDD3+ is a voltage monitoring and reset IC designed to provide a reliable power supply monitoring solution for various electronic devices.

Packaging/Quantity: The MAX6728KAVDD3+ is available in a SOT23-3 package. It is typically sold in reels of 3000 units.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.30V, 4.63V, 4.38V, 4.50V
• Reset Timeout Period: Adjustable or Fixed (140ms, 280ms, 560ms, 1120ms)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6728KAVDD3+ features a compact SOT23-3 package with three pins:

1. VCC: Power supply input pin
2. GND: Ground pin
3. RESET: Output pin for the reset signal

Functional Features

• Accurate voltage monitoring: The MAX6728KAVDD3+ accurately monitors the voltage level of the power supply.
• Reset signal generation: When the voltage falls below the specified threshold, the IC generates a reset signal to ensure proper system operation.
• Adjustable/reset timeout period: The reset timeout period can be adjusted or set to a fixed value, allowing flexibility in system design.
• Low power consumption: The IC operates with low power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Reliable voltage monitoring and reset functionality - Wide supply voltage range allows compatibility with various systems - Adjustable/reset timeout period provides flexibility in system design - Compact SOT23-3 package enables space-saving integration

Disadvantages: - Limited threshold voltage options may not cover all application requirements - Lack of built-in hysteresis feature may require additional external components for noise immunity

Working Principles

The MAX6728KAVDD3+ operates by continuously monitoring the voltage level at the VCC pin. When the voltage falls below the specified threshold, the RESET pin is asserted, generating a reset signal. The reset timeout period determines how long the reset signal remains active after the voltage returns to an acceptable level.

Detailed Application Field Plans

The MAX6728KAVDD3+ is widely used in various electronic devices that require reliable power supply monitoring and reset functionality. Some common application fields include:

1. Microcontrollers and microprocessors: Ensures proper system initialization and prevents erratic behavior during power-up or voltage fluctuations.
2. Industrial control systems: Provides reliable monitoring and reset capabilities for critical equipment, ensuring uninterrupted operation.
3. Automotive electronics: Enhances the stability and reliability of automotive systems by monitoring the power supply voltage and generating reset signals when necessary.
4. Consumer electronics: Protects sensitive digital components from voltage drops and ensures safe operation.

Detailed and Complete Alternative Models

1. MAX6715AUTTGD3+: Voltage Monitoring and Reset IC with Adjustable Threshold and Timeout Period, SOT23-6 package.
2. MAX6389XS26D3-T: Voltage Monitoring and Reset IC with Fixed 2.63V Threshold, SOT23-3 package.
3. MAX809REUR+: Voltage Monitoring and Reset IC with Fixed 2.93V Threshold, SOT23-3 package.

These alternative models offer similar voltage monitoring and reset functionality, catering to different threshold voltage requirements and package options.

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