Maxim Integrated MAX6467XS46D3+T Voltage Supervisors

The MAX6467XS46D3+T from Maxim Integrated is a microprocessor (µP) supervisory circuit designed to monitor power supplies in digital systems. It provides excellent circuit reliability and low cost by eliminating external components and adjustments when used in systems that require voltage monitoring. This highly compact device comes in a small, surface-mountable SOT-343 package, making it ideal for space-constrained applications.

This supervisory circuit is particularly well-suited for portable electronics, such as PDAs, laptops, and smartphones, where maintaining the correct operation voltage is crucial for data integrity and functionality. The MAX6467XS46D3+T ensures that the system's microprocessor is reset to a known state during power-up, power-down, or brown-out conditions. It features a factory-set reset threshold voltage of 4.63V, tailored for systems that operate at 5V power supply levels.

The device boasts a low supply current of only 1.2µA, which is beneficial for battery-powered applications as it helps to extend battery life. It also has a reset timeout period of 280ms (min), ensuring that the system has sufficient time to stabilize before the microprocessor starts operating after a reset event.

Key features of the MAX6467XS46D3+T include:

• Factory-Set Reset Threshold Voltage: 4.63V
• Low Supply Current: 1.2µA (typ)
• Reset Timeout: 280ms (min)
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 1.2V to 5.5V
• Compact SOT-343 Package

For designers and engineers looking to integrate voltage supervision into their systems without the hassle of external adjustments, the MAX6467XS46D3+T offers a reliable, cost-effective solution. Its precision voltage monitoring capability, combined with the low power consumption and small footprint, makes it an excellent choice for a wide array of applications.

Overall, the Maxim Integrated MAX6467XS46D3+T is a robust component that provides essential protection for digital systems, ensuring that they operate within their intended voltage parameters, thus safeguarding system integrity and performance.