MAX6386XS46D3+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 certain threshold.
  • Provides a reliable way to ensure proper operation of electronic devices by resetting them in case of power supply issues.
• 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: 4.63V
• Reset Timeout Period: Adjustable or Fixed options available
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6386XS46D3+T IC has three pins arranged as follows:

```

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| | --| VCC |-- --| /RESET|-- --| GND |-- |_______| ```

Pin Description: - VCC: Power supply input pin (+) - /RESET: Active-low reset output pin - GND: Ground pin (-)

Functional Features

• Voltage Monitoring: The MAX6386XS46D3+T continuously monitors the voltage level at the VCC pin.
• Reset Generation: When the voltage falls below the threshold, the /RESET pin is asserted low, generating a reset signal.
• Adjustable Timeout: The reset timeout period can be adjusted using external components or fixed internally.
• Power-On Reset: The IC provides a power-on reset pulse during power-up to ensure a clean start for the system.

Advantages and Disadvantages

Advantages: - Compact Size: The SOT23-3 package allows for space-efficient integration into electronic devices. - Wide Supply Voltage Range: Supports a broad range of power supply voltages. - Adjustable Timeout: Flexibility in setting the reset timeout period according to specific application requirements.

Disadvantages: - Single Threshold Voltage Option: Limited options for threshold voltage selection.

Working Principles

The MAX6386XS46D3+T operates by comparing the voltage at the VCC pin with a reference voltage. When the VCC voltage falls below the threshold, the internal comparator triggers and asserts the /RESET pin low. The reset signal remains active until the VCC voltage rises above the threshold or the timeout period elapses.

Detailed Application Field Plans

The MAX6386XS46D3+T is commonly used in various applications where reliable voltage monitoring and reset functionality are required. Some potential application fields include: 1. Microcontrollers and Microprocessors: Ensuring proper system initialization and preventing data corruption during power supply fluctuations. 2. Communication Systems: Resetting communication modules in case of power disruptions to maintain stable connections. 3. Industrial Control Systems: Providing fault detection and recovery mechanisms for critical equipment. 4. Automotive Electronics: Monitoring battery voltage and initiating system resets if necessary. 5. Power Management: Enabling efficient power management by controlling device operation based on voltage levels.

Detailed and Complete Alternative Models

1. MAX6386XS46D3+T: The model discussed in this entry.
2. MAX6386XS46D3+U: Similar to MAX6386XS46D3+T but with a different package (µDFN).
3. MAX6386XS46D3+V: Offers additional features such as adjustable hysteresis and watchdog timer functionality.

Note: This list is not exhaustive, and there may be other alternative models available from the manufacturer.

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