CAT1320WI-45-GT3

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The CAT1320WI-45-GT3 is a System Power Supervisor from ON Semiconductor, designed to protect battery powered devices from over-voltage and over-temperature conditions. The CAT1320WI-45-GT3 detects power supply inrush current, VCC over-voltage, over-current, and over-temperature events on the system supply rails and protection circuits and then takes appropriate action, such as turning off the device and alerting the user or host system.

The CAT1320WI-45-GT3 is a potential state device that controls the on/off states of a system power supply, such as a DC-DC converter. It monitors the condition of the system supply rails and takes appropriate action when an over-voltage, over-current, or over-temperature event is detected. The CAT1320WI-45-GT3 is able to sense the inrush current generated when a large load is connected to the system supply rails and initiate the appropriate response to protect against this condition.

In applications where the CAT1320WI-45-GT3 is used as a master supervisor, it is capable of restarting a system supply rail when an over-current or over-temperature condition occurs. This feature allows for greater flexibility in the design of system supply rails, as the rail can be kept in a standby "sleeping" state until the CAT1320WI-45-GT3 detects that the system supply rail is needed.

The CAT1320WI-45-GT3 is also able to detect low-voltage and low-current conditions on the system supply rails, allowing the supervisor to safely shut down the system in the event of a power supply failure. This feature is particularly useful in systems that are powered from the AC outlet, where rapid voltage drops can occur.

The CAT1320WI-45-GT3 can also be used in place of a "crowbar" type fault protection device, as it can detect over-voltage/over-current/over-temperature conditions before they cause any damage to the system or its components. This is especially useful in applications where a high pin count FPGA or ASIC is used, as the component count can be reduced while still providing a high level of protection.

The CAT1320WI-45-GT3 is a versatile and useful component in any system power supervisor design, as it provides system designers with a range of features that can protect their products from damaging over-voltage/over-current/over-temperature conditions. With its ability to detect inrush current, provide fault protection, and restart system supply rails, the CAT1320WI-45-GT3 is an essential component for any system power supervisor application.

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