MAX6381LT21D3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-Power, Precision, Adjustable Threshold
• Package: SOT-23
• Essence: Monitors voltage levels and provides a digital output when the voltage exceeds a set threshold.
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.1V, 2.3V, 2.5V, 2.7V, 2.8V, 3.0V, 3.1V, 3.3V, 3.5V, 4.0V, 4.5V, 5.0V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)
• Output Type: Active-Low, Open-Drain
• Accuracy: ±1.5% (maximum)

Pin Configuration

The MAX6381LT21D3+T has a SOT-23 package with three pins:

1. GND: Ground connection
2. VCC: Supply voltage input
3. OUT: Digital output indicating voltage level

Functional Features

• Monitors the supply voltage and compares it to the set threshold voltage.
• When the supply voltage exceeds the threshold, the digital output goes low.
• Provides an accurate and reliable indication of voltage levels.
• Low quiescent current makes it suitable for battery-powered applications.
• Adjustable threshold voltage allows flexibility in monitoring different voltage levels.

Advantages and Disadvantages

Advantages: - Low-power consumption - Wide supply voltage range - Adjustable threshold voltage - Accurate and reliable monitoring

Disadvantages: - Limited number of threshold voltage options - Single-channel monitoring only

Working Principles

The MAX6381LT21D3+T operates by comparing the supply voltage with the set threshold voltage. It utilizes a precision voltage reference and a comparator to determine if the supply voltage exceeds the threshold. When the supply voltage is higher than the threshold, the digital output goes low, indicating an overvoltage condition.

Detailed Application Field Plans

The MAX6381LT21D3+T finds applications in various fields, including:

1. Battery-Powered Devices: Monitors battery voltage to prevent over-discharge.
2. Power Management Systems: Protects sensitive components from excessive voltage levels.
3. Industrial Control Systems: Ensures proper voltage levels for reliable operation.
4. Automotive Electronics: Monitors automotive battery voltage for fault detection.
5. Portable Electronic Devices: Prevents damage due to overvoltage conditions.

Detailed and Complete Alternative Models

1. MAX6381LT21D2+T: Same features as MAX6381LT21D3+T but with different threshold voltage options.
2. MAX6381LT21D4+T: Similar functionality with additional hysteresis feature.
3. MAX6382LT21D3+T: Dual-channel voltage monitor with adjustable threshold voltage.

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

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