Maxim Integrated MAX6866UK26D3S+T Microprocessor Reset Circuit

The MAX6866UK26D3S+T is a highly precise and robust microprocessor (µP) supervisory circuit designed by Maxim Integrated to monitor power supplies in digital systems. It provides excellent circuit reliability and low power consumption, making it an ideal choice for portable and battery-operated applications.

This supervisory circuit is specifically engineered to maintain system integrity by monitoring the power supply voltage. It features a factory-trimmed reset threshold level of 2.63V, which ensures that the connected microprocessor, microcontroller, or other digital systems are reset to a known state during power-up, power-down, or brown-out conditions. The reset output remains active for a minimum of 140ms after V_CC has risen above the reset threshold, providing ample time for the system to stabilize.

The MAX6866UK26D3S+T comes in a compact SOT-23 package, making it space-efficient for design in tight PCB layouts. The device operates over a wide temperature range of -40°C to +85°C, ensuring reliable performance in various environmental conditions.

Key features of the MAX6866UK26D3S+T include:

• Factory-Set Reset Threshold Voltage: 2.63V
• Reset Timeout Period: 140ms (min)
• Low Supply Current: Ideal for battery-operated devices
• Immune to Short V_CC Transients
• Manual Reset Input
• Wide Operating Temperature Range: -40°C to +85°C
• Compact SOT-23 Packaging

Applications that benefit from the MAX6866UK26D3S+T include portable electronics, handheld devices, computers, controllers, and any system where data integrity during power fluctuations is critical. The manual reset input provides an additional layer of control, allowing for an external signal to initiate a system reset.

Maxim Integrated's commitment to quality ensures that the MAX6866UK26D3S+T supervisory circuit is a reliable solution for maintaining system stability and preventing data corruption due to unpredictable power supply conditions. Its integration into your design will contribute to the overall robustness and longevity of your electronic system.