Maxim Integrated's MAX6866UK43D3S+T Microprocessor Reset Circuit

The MAX6866UK43D3S+T is a robust microprocessor (µP) supervisory circuit designed by Maxim Integrated, a renowned leader in the development of integrated circuits. This compact, high-quality device is engineered to monitor power supplies in digital systems, ensuring that the microprocessor is reset to a known state during power-up, power-down, or brown-out conditions. It is an essential component for maintaining system reliability and preventing software execution errors.

Key Features

• Voltage Monitoring Precision: This device features a preset reset threshold voltage of 4.3V, providing high accuracy in monitoring the system voltage levels.
• Low Power Consumption: With its low supply current of only 1.6µA, the MAX6866UK43D3S+T is an energy-efficient solution for portable and battery-operated applications.
• Manual Reset Input: A manual reset input is available, allowing for a system reset to be triggered with an external push-button or logic signal.
• Immune to Short V<sub>CC Transients: The device can handle brief V<sub>CC dips without generating false resets, enhancing system stability.
• Power Supply Transient Immunity: Its built-in debouncing circuitry ensures reliable operation, even in environments with noisy power supplies.

Applications

The MAX6866UK43D3S+T is versatile and can be used in a wide range of applications, such as:

• Computers and Servers
• Embedded Systems
• Portable/Battery-Powered Equipment
• Consumer Electronics
• Industrial Controllers

Package and Availability

The device comes in a space-saving SOT-23, 5-pin package, making it suitable for use in compact PCB layouts. The MAX6866UK43D3S+T is available in tape and reel format, denoted by the "+T" suffix, facilitating efficient assembly for mass production.

Quality and Reliability

Maxim Integrated is committed to delivering high-quality and reliable components. The MAX6866UK43D3S+T is no exception, and it is designed to meet the stringent requirements of a wide array of industrial and consumer applications. With its robust design and precision voltage monitoring, this microprocessor reset circuit is an excellent choice for designers looking to enhance system reliability and performance.