MAX6315US31D3+T

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics:
  • Monitors the voltage level of a power supply and generates a reset signal when the voltage falls below a specified threshold.
  • Provides a reliable way to ensure proper system initialization and prevent data corruption or erratic behavior during power-up or power-down events.
• Package: SOT23-3
• Essence: Voltage monitoring and reset functionality in a compact package.
• Packaging/Quantity: Tape and Reel, 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.30V, 4.38V, 4.63V, 4.75V
• Reset Timeout Period: Adjustable from 1ms to 1600ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6315US31D3+T IC has three pins arranged as follows: 1. VCC: Power supply input pin. 2. GND: Ground reference pin. 3. RESET: Output pin for the reset signal.

Functional Features

• Accurate voltage monitoring: The MAX6315US31D3+T continuously monitors the supply voltage and accurately detects when it falls below the specified threshold.
• Adjustable reset timeout: The reset timeout period can be adjusted according to the application requirements, allowing flexibility in system initialization timing.
• Active-low reset output: The RESET pin provides an active-low reset signal to the system, ensuring proper initialization and preventing data corruption.

Advantages

• Compact package: The SOT23-3 package offers a small footprint, making it suitable for space-constrained applications.
• Wide supply voltage range: The IC can operate with a wide range of supply voltages, providing compatibility with various power sources.
• Adjustable reset timeout: The ability to adjust the reset timeout period allows customization based on specific system requirements.

Disadvantages

• Limited threshold voltage options: The available threshold voltage options may not cover all possible voltage monitoring scenarios.
• Single output pin: The IC provides only one reset output, which may be insufficient for systems requiring multiple reset signals.

Working Principles

The MAX6315US31D3+T operates by comparing the supply voltage with the selected threshold voltage. When the supply voltage falls below the threshold, the internal circuitry generates an active-low reset signal on the RESET pin. The reset signal remains active until the supply voltage rises above the threshold and the adjustable reset timeout period elapses.

Detailed Application Field Plans

The MAX6315US31D3+T is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some application fields include: 1. Microcontrollers and microprocessors: Ensures proper initialization and prevents data corruption during power-up or power-down events. 2. Communication devices: Provides a reliable reset mechanism to maintain stable operation and prevent system crashes. 3. Industrial control systems: Ensures safe and controlled startup/shutdown sequences, preventing damage to equipment or loss of critical data.

Detailed and Complete Alternative Models

1. MAX6316US31D3+T: Similar to MAX6315US31D3+T but offers additional threshold voltage options.
2. MAX6317US31D3+T: Provides similar voltage monitoring and reset functionality but in a different package (SOT23-5).
3. MAX6318US31D3+T: Offers extended operating temperature range (-40°C to +125°C) for more demanding environments.

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