MAX6383LT44D3+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 system initialization and prevent data corruption or loss.
  • Designed for use in various electronic devices, such as microcontrollers, DSPs, and FPGAs.
• Package: LT44 (4mm x 4mm, 16-pin Thin QFN)
• Essence: Voltage monitoring and reset functionality in a compact IC package.
• Packaging/Quantity: Available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 5.0V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 7µA (typical)

Detailed Pin Configuration

The MAX6383LT44D3+T has a total of 16 pins arranged as follows:

```

---

| | | 1 2 3 | | | | 4 5 6 | | | | 7 8 9 | | | | 10 11 12 | | | | 13 14 15 | |_______________| ```

Pin Description: 1. GND: Ground connection. 2. MR: Manual reset input. 3. VCC: Positive supply voltage. 4. RESET: Reset output. 5. GND: Ground connection. 6. GND: Ground connection. 7. GND: Ground connection. 8. GND: Ground connection. 9. GND: Ground connection. 10. GND: Ground connection. 11. GND: Ground connection. 12. GND: Ground connection. 13. GND: Ground connection. 14. GND: Ground connection. 15. GND: Ground connection. 16. GND: Ground connection.

Functional Features

• Voltage Monitoring: Monitors the input voltage and compares it with the set threshold voltage.
• Reset Generation: Generates a reset signal when the input voltage falls below the threshold.
• Adjustable Timeout Period: Allows customization of the reset timeout period to suit specific system requirements.
• Manual Reset Input: Provides the ability to manually trigger a reset.
• Low Quiescent Current: Consumes minimal power during operation, ensuring energy efficiency.

Advantages and Disadvantages

Advantages: - Compact Size: The LT44 package offers a small footprint, making it suitable for space-constrained applications. - Wide Supply Voltage Range: Supports a wide range of supply voltages, enhancing versatility. - Adjustable Timeout Period: Allows flexibility in setting the reset timeout duration. - Low Power Consumption: The low quiescent current ensures efficient power usage.

Disadvantages: - Limited Threshold Voltage Options: The available threshold voltage options may not cover all voltage requirements.

Working Principles

The MAX6383LT44D3+T operates by continuously monitoring the input voltage using an internal voltage comparator. When the voltage falls below the set threshold, the reset output is activated, indicating a power failure or voltage drop. The reset remains active until the voltage rises above the threshold or the adjustable timeout period elapses. The manual reset input allows for an immediate reset, overriding the voltage monitoring.

Detailed Application Field Plans

The MAX6383LT44D3+T finds applications in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some potential application fields include: - Microcontroller-based Systems: Ensures proper initialization and prevents data corruption in microcontroller-based designs. - Digital Signal Processors (DSPs): Provides a reset signal to DSPs when the power supply voltage drops below the threshold, ensuring stable operation. - Field Programmable Gate Arrays (FPGAs): Helps maintain the integrity of FPGA configurations by resetting them during power fluctuations or voltage drops.

Detailed and Complete Alternative Models

• MAX6384LT44D3+T: Similar to MAX6383LT44D3+T but with additional features such as adjustable reset timeout period and watchdog timer functionality.
• MAX6382LT44D3+T: Voltage monitor and reset circuit with a different threshold voltage range and package option.

(Note: The alternative models mentioned above are just examples and not an exhaustive list.)

This entry provides comprehensive information about the MAX6383LT44D3+T voltage monitor and reset circuit. It covers its