Maxim Integrated MAX6337US16D3-T Microprocessor Supervisory Circuit

The MAX6337US16D3-T is a highly reliable microprocessor (µP) supervisory circuit designed and manufactured by Maxim Integrated, a trusted name in the development of innovative analog and mixed-signal products. This compact and efficient component is engineered to monitor the power supplies in µP and digital systems, providing a significant layer of protection against system failure due to unstable or faulty power supplies.

One of the primary features of the MAX6337US16D3-T is its ability to assert a reset signal whenever the VCC supply voltage falls below a preset threshold, ensuring the µP restarts in a known state. The reset output remains active for a minimum of 140ms after VCC has risen above the reset threshold level, providing ample time for the system to stabilize. This feature is crucial for applications that require high reliability and a quick recovery from power disturbances.

The device comes in a compact SOT-143 package, making it suitable for space-constrained applications. With an operating voltage range of 1.2V to 5.5V, the MAX6337US16D3-T caters to a wide array of digital systems, including those with low voltage requirements. Its low supply current of 5.5µA (typical) ensures minimal impact on overall power consumption, which is particularly beneficial for battery-operated devices.

Another advantageous feature of the MAX6337US16D3-T is its precision factory-set VCC reset threshold, which is tailored to 1.6V for this specific variant. This precision enables designers to rely on the consistency of the reset function without the need for external components or adjustments.

In addition to the reset function, the device offers a debounced manual reset input. This allows for a manual reset initiation, adding an extra layer of control for system maintenance or emergency interventions.

Overall, the MAX6337US16D3-T is an essential component for maintaining system integrity and preventing data corruption in the event of power supply anomalies. Its small footprint, low power consumption, and precision reset functionality make it an excellent choice for a variety of applications, including portable devices, embedded systems, and industrial controls.