Maxim Integrated MAX6306UK30D3+T Voltage Supervisor IC

The Maxim Integrated MAX6306UK30D3+T is a high-quality voltage supervisor integrated circuit (IC) designed to monitor power supplies in digital systems. It ensures that the system's microprocessor, or other sensitive logic circuits, are reset to a known state during a power failure or brown-out condition. This tiny, yet robust device is an essential component for enhancing system reliability and preventing unpredictable behavior due to unstable power conditions.

This particular model, the MAX6306UK30D3+T, is part of Maxim Integrated's extensive family of microprocessor (µP) supervisory circuits. It is designed to monitor voltages above 3.0V and features a factory-set reset threshold voltage of 3.0V, making it suitable for 3.3V powered systems. The reset output is active-low, with a push-pull configuration, and remains asserted for a minimum of 140ms (typical) after VCC has risen above the reset threshold. This ensures a sufficient reset signal duration for most microprocessors and digital systems to initialize properly.

Key features of the MAX6306UK30D3+T include:

• Low supply current of 5µA (typical), which is ideal for battery-powered applications.
• Immunity to short VCC transients, ensuring reliable operation under noisy conditions.
• Guaranteed RESET valid to VCC = 1V, which allows for a wider range of operation as power supplies decay.
• Compact SOT-23 packaging, providing a space-saving solution for PCB layouts.
• Extended temperature range from -40°C to +85°C, suitable for industrial applications.

The device is also equipped with a debounced manual reset input, allowing for a system reset to be manually triggered if necessary. This feature is particularly useful for system maintenance and troubleshooting.

With its precision voltage monitoring and low power consumption, the MAX6306UK30D3+T is an excellent choice for portable devices, computers, controllers, and other sophisticated electronic systems that require a high degree of reliability. Its ease of integration and small form factor make it an indispensable component for designers looking to enhance the stability and performance of their power management solutions.