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MAX809S ADAA Microprocessor Supervisory Circuit - Reliable Power Monitoring for Loveminer A1 Hash Board

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About the Product

Ensure Stable Operation with the MAX809S Microprocessor Supervisory Circuit


The MAX809S, marked as ADAA, is a microprocessor (μP) supervisory circuit specifically designed for the Loveminer A1 hash board. It plays a crucial role in monitoring the power supply in μP and digital systems, ensuring stable and reliable operation.

The MAX809S requires no external components or adjustments when used with +5V, +3.3V, +3.0V, or +2.5V supply circuits, offering excellent circuit reliability and cost-effectiveness. It accurately monitors the supply voltages, enabling precise power management in various applications.

Accurate Power Monitoring and Reset Output for Various Supply Voltages

Featuring reset thresholds suitable for a wide range of supply voltages, the MAX809S guarantees reliable operation across different voltage levels. It provides a push-pull reset output, ensuring a strong and stable signal for the reset function.

The MAX809S has an active-low RESET output, and its reset comparator is designed to ignore fast transients on VCC, ensuring the output remains in the correct logic state even for VCC as low as 1V. This feature ensures reliable reset functionality and helps maintain system integrity during power fluctuations.

Key Features:

  • Accurately monitors +2.5V, +3V, +3.3V, and +5V supply voltages
  • Fully specified temperature range for reliable performance in various environments
  • Push-pull reset output (MAX809) for strong and stable signal transmission
  • Minimum 140ms power-on-reset (POR) pulse width for proper system initialization
  • Low supply current of 12µA for efficient power management
  • Guaranteed reset validity down to VCC = +1V for enhanced reliability
  • Power transient immunity to handle voltage fluctuations and noise
  • Requires no external components for simplified integration
  • Available in 3-pin SC70 and SOT23 packages for flexible installation

Applications:

  • Loveminer A1 hash board
  • Computers
  • Controllers
  • Smart instruments
  • Critical μP and μC power supply monitoring
  • Portable/battery-powered devices
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