MAX6339CUT+T

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The MAX6339CUT+T is a supervisor IC typically used in the PMIC (Power Management Integrated Circuits) – Supervisors category. This product combines three functions into one package. Firstly, it integrates a programmable positive VCC supervisor with an adjustable reset threshold voltage and manual reset. Secondly, it also contains a highly accurate window Watchdog Timer (WDT) circuit that can monitor the reset signal of the system’s microcontroller. Finally, it integrates a temperature compensated voltage reference circuit to provide low temperature drift to the supervision and WDT circuits.

The application field of the MAX6339CUT+T includes notebook computers, computer motherboards and graphics cards, LCD display system controllers, microprocessor reset circuits, file server power management, point-of-sale terminals, industrial computers, medical equipment, and any application requiring protection from overvoltage, brown-out, or undervoltage events. It features a low reset threshold voltage capability down to 1.66V, which makes it suitable for use in low voltage systems with 3.3V or 2.5V power supply. Furthermore, its integrated window Watchdog Timer (WDT) with flexible output control allows for easy monitoring of a system\'s microcontroller.

The MAX6339CUT+T operates at temperatures ranging from -40℃ to +125℃, and it is available in a 5-pin TO-220 package. It has an adjustable reset threshold voltage range of 1.66V to 5.86V, and a manual reset typically with an open-drain nRESET output with reset active low (nRESET asserted) state. This reset is held active for an additional 350ms to ensure proper power-up and power-down transitions. The integrated WDT has a maximum timeout of 4.5 seconds in a 0.8 second increment, and a maximum reset pulse width of 160ms.

The integrated voltage reference circuit provides a temperature coefficient of 40ppm/°C, which ensures a highly stable reset threshold voltage even at high temperature operations. This feature makes the MAX6339CUT+T ideal for applications requiring a precise power-on reset device with high accuracy and accuracy over temperature.

In summary, the MAX6339CUT+T is a highly reliable supervisor IC used in a variety of PMIC – Supervisors applications. It combines three functions into one package, including a programmable positive VCC supervisor, an adjustable reset threshold voltage, and a highly accurate window Watchdog Timer (WDT) circuit. Additionally, it features an integrated temperature compensated voltage reference circuit that ensures accurate and stable reset threshold voltage at high temperature operations. This product is suitable for applications such as notebook computers, computer motherboards, LCD display systems, microprocessor reset circuits, and more.

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