Maxim Integrated's MAX6823YUK+T Microprocessor (μP) Supervisory Circuit

The MAX6823YUK+T from Maxim Integrated is a compact, high-precision microprocessor (μP) supervisory circuit designed to monitor power supplies in μP and digital systems. It provides excellent circuit reliability and low cost by eliminating external components and adjustments when monitoring 3.3V-powered circuits.

This supervisory circuit ensures that the μP is held in reset until the system voltage has stabilized at the correct operating level and remains operational with minimal power consumption. It is ideal for use in portable equipment, computers, controllers, and intelligent instruments, where it can safeguard the system against erratic operation caused by power faults.

Key Features:

• Precision Monitoring: The MAX6823YUK+T features a precise factory-set reset threshold voltage, ensuring reliable monitoring and reset initiation for 3.3V systems.
• Low Power Consumption: With its low supply current of only 3μA (typical), this supervisory circuit is optimized for battery-powered applications where power efficiency is crucial.
• Manual Reset Input: It includes a manual reset input that allows for a user-initiated system reset, providing an additional layer of system control.
• Reset Timeout: The device offers a 140ms (min) reset timeout period, ensuring that the system has sufficient time to stabilize before the μP starts operating.
• Compact SOT23 Packaging: Housed in a tiny 5-pin SOT23 package, the MAX6823YUK+T saves valuable board space, making it suitable for space-constrained applications.
• Temperature Range: It operates over an extended temperature range of -40°C to +125°C, accommodating diverse environmental conditions.

The MAX6823YUK+T's combination of features makes it a robust solution for system reset functions. Its precision voltage monitoring capability and low power consumption are essential for maintaining the integrity and efficiency of electronic systems. By integrating this supervisory circuit into your design, you can enhance system reliability without the need for additional tuning, making it a convenient and cost-effective choice for a wide range of applications.

For more information on how to integrate the MAX6823YUK+T into your system, refer to the comprehensive datasheet and application notes provided by Maxim Integrated.