MAX6318LHUK48BX-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor with Manual Reset
• Characteristics: Low-power, precision voltage monitoring, manual reset input, small package size
• Package: SOT23-5
• Essence: The MAX6318LHUK48BX-T is a voltage monitor IC designed to monitor the power supply voltage of electronic systems and provide a manual reset function.
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 4.8V
• Manual Reset Input: Active-low push-button reset
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 3µA (typical)

Detailed Pin Configuration

The MAX6318LHUK48BX-T has a total of five pins:

1. GND: Ground connection
2. MR: Manual reset input pin
3. RESET: Active-low reset output
4. VCC: Positive power supply input
5. TH: Threshold voltage selection pin

Functional Features

• Monitors the power supply voltage and asserts the reset output when the voltage drops below the threshold.
• Provides a manual reset input for immediate system reset.
• Adjustable reset timeout period allows customization based on system requirements.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages

• Compact SOT23-5 package enables space-saving designs.
• Wide supply voltage range makes it compatible with various systems.
• Precision voltage monitoring ensures reliable operation.
• Manual reset input allows for system recovery in case of faults.

Disadvantages

• Limited threshold voltage options may not suit all applications.
• Adjustable reset timeout period may require additional configuration.

Working Principles

The MAX6318LHUK48BX-T operates by continuously monitoring the power supply voltage. When the voltage drops below the threshold voltage, the reset output is asserted, indicating a power failure or fault condition. The manual reset input can be used to force an immediate system reset, overriding the voltage monitoring function. The reset timeout period can be adjusted to control the duration for which the reset output remains asserted after the voltage returns to normal.

Detailed Application Field Plans

The MAX6318LHUK48BX-T is commonly used in various electronic systems where reliable voltage monitoring and manual reset functionality are required. Some potential application fields include:

1. Microcontroller-based systems
2. Industrial automation equipment
3. Power management systems
4. Battery-powered devices
5. Automotive electronics

Detailed and Complete Alternative Models

1. MAX6316LUK46BY-T: Voltage Monitor with Manual Reset, 4.6V threshold voltage, SOT23-5 package.
2. MAX6319MUK29CY-T: Voltage Monitor with Manual Reset, 2.9V threshold voltage, SOT23-5 package.
3. MAX6320PUK25CZ-T: Voltage Monitor with Manual Reset, 2.5V threshold voltage, SOT23-5 package.
4. MAX6321PAUK33DZ-T: Voltage Monitor with Manual Reset, 3.3V threshold voltage, SOT23-5 package.
5. MAX6322PUK40DZ-T: Voltage Monitor with Manual Reset, 4.0V threshold voltage, SOT23-5 package.

These alternative models offer different threshold voltage options to accommodate a wider range of system requirements.

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