MAX6385XS21D3-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, precision voltage monitoring
• Package: SOT23-3
• Essence: Monitors the voltage level and provides a reset signal when it falls below a certain threshold
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.1V
• Reset Timeout Period: 140ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6385XS21D3-T has three pins:

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

Functional Features

• Monitors the voltage level of the power supply
• Generates a reset signal when the voltage falls below the threshold
• Provides a stable reset output during power-up and power-down
• Low quiescent current consumption

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Precision voltage monitoring ensures reliable operation - Low-power consumption extends battery life - Small package size enables space-saving designs

Disadvantages: - Fixed threshold voltage may not be suitable for all applications - Limited reset timeout period may not meet the requirements of certain systems

Working Principles

The MAX6385XS21D3-T operates by continuously monitoring the voltage level at the VCC pin. When the voltage falls below the threshold voltage (2.1V in this case), the IC generates a reset signal on the RESET pin. This signal remains active until the voltage rises above the threshold and a timeout period of 140ms elapses.

Detailed Application Field Plans

The MAX6385XS21D3-T is commonly used in various applications where reliable voltage monitoring is crucial. Some potential application fields include:

1. Battery-powered devices: Ensures proper operation by monitoring battery voltage and initiating a reset if it drops below a safe level.
2. Microcontroller systems: Provides a reset signal to the microcontroller during power-up and power-down, ensuring a controlled startup and shutdown sequence.
3. Industrial control systems: Monitors power supply voltages in industrial environments, preventing malfunctions due to voltage fluctuations.

Detailed and Complete Alternative Models

• MAX6384XS21D3-T: Similar to MAX6385XS21D3-T but with a different threshold voltage option (2.0V)
• MAX6386XS21D3-T: Similar to MAX6385XS21D3-T but with a different threshold voltage option (2.2V)
• MAX6385XS22D3-T: Similar to MAX6385XS21D3-T but with a different reset timeout period (280ms)

(Note: This list is not exhaustive and there may be other alternative models available.)

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