MAX6385XS34D4-T

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The MAX6385XS34D4-T is an advanced supervisory device designed to monitor power supplies in a variety of applications, such as desktops, notebooks, servers, workstations, and mobile devices. This IC from Maxim Integrated helps ensure reliable operation of products by providing accurate real-time voltage monitoring of power supplies and system reset functions. It is available in a tiny SOT23-4 package, making it ideal for space-constrained applications.

The Supervisors, otherwise known as System Level Monitors, are devices that, apart from monitoring the power supplies, systems and process status and providing reset functions for the associated devices, indicate failure and low-voltage conditions. Supervisors are primarily used for monitoring critical power supply voltages and system reset control. The MAX6385XS34D4-T is a versatile IC that provides three distinct functions - voltage monitoring, system reset, and system status indication - in one small device.

The MAX6385XS34D4-T is designed to monitor a wide range of voltages, with a monitoring range of 1.6V to 5.5V. It provides an accurate reset threshold of 0.49V ± 1.5% over the full range of temperatures. The reset delay time is adjustable with a precision of 10ms by using external capacitors. Furthermore, the device features an open-drain reset output for easy connection and a manual reset input that can be initiated by a pushbutton or other external logic signals.

The MAX6385XS34D4-T also provides two additional open-drain outputs, an asserted low-voltage output (LOW) when the voltage at the monitor pin is lower than the reset threshold, and an asserted status output (ST) when the reset input is activated or when the manual reset input is low or high for the programmable reset timeout. These two outputs enable system reset control and additional functions depending on usage. The device also features an internal power-up reset, which is triggered when the supply voltage rises above the reset threshold.

The MAX6385XS34D4-T provides an exceptional combination of features, making it an ideal choice for applications that require reliable power supply monitoring and reset control. Its low power and small packaging make it an attractive power-management solution in space-constrained applications, such as mobile platforms. The device is also suitable for applications that require system and process monitoring, as well as reset functions with adjustable delay times.

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