MAX810STR

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The MAX810STR is a low-voltage supervisor designed to monitor power-supply systems on-board PCs, servers, and other industrial applications. The device provides precise monitoring of both DC and AC line voltages along with a variety of other features to help system designers protect their products from unexpected power losses.

The MAX810STR offers one output, suitable for direct connection to a PLC or microprocessor reset pin, or additional logic circuits. It has an adjustable trip point, in which it triggers a reset signal whenever the input voltage drops below the selected trip point. It is capable of driving a 5V logic load, which allows for direct connection to logic circuits. It can also be used as a watchdog timer, resetting the device at predetermined intervals.

The device has a wide range of operating voltages, from 2.6V to 10V, and can sense both AC and DC line voltages. It also has an adjustable voltage reference, allowing the user to select the nominal voltage for the reset trigger level. By using this adjustability, the user can set the reset trip level to the exact desired voltage. This function is especially useful when monitoring AC line voltage, as the voltage fluctuates and a precise reset level is required.

The device also can be put into low-current, power-saving mode when not actively monitoring the input voltage. When in this mode, the device draws less than 1µA of current which makes it ideal for applications that require long periods of inactivity. In addition, it has built-in thermal protection that monitors the junction temperature and shuts off the device in the event of an over temperature fault.

The device also includes a reset delay feature. This function provides a configurable delay before the reset signal is asserted. The delay is adjustable by an external capacitor. This feature is useful in order to allow system to finish normal initialization before reset signal is active.

The MAX810STR is an easy-to-use and reliable device to integrate in a variety of applications, such as PC motherboards, industrial equipment, and automotive systems. It offers a number of features designed to increase system reliability and reduce design cost, making it an ideal choice for any circuit that requires supervision of both AC and DC line voltages.

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