CAT705VI-GT3

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The CAT705VI-GT3 is a fully integrated supervisor IC specifically designed for mobile and consumer applications. It monitors the status of the system supply voltages and sends appropriate power-on reset and/or power-good signals in response to supply voltage conditions. It may be used to store and load system configuration information during power-on reset, and it also provides voltage threshold monitoring functions for system power management.

The CAT705VI-GT3 is a three-terminal supervisor IC which operates from a single 3V to 5.5V supply voltage. It includes an integrated LDO regulator, POR timer, and monitored supply voltage detector. It provides a wide range of features including power-on reset generation, voltage monitoring, voltage selection, system reset timeout, and power-good signal generation. The CAT705VI-GT3 has an integrated programmable resistor network to provide different factory settable levels of supply voltage monitoring.

The CAT705VI-GT3 is suitable for a wide range of mobile and consumer applications. It is used to monitor and control system power supply voltages, and to detect in-rush current and brown-out conditions. It is particularly useful in applications where voltage thresholds must be monitored for system reset and power-up sequencing. It can also be used to detect and alert system designers to low-voltage brown-out conditions.

The CAT705VI-GT3 has multiple functions depending on the system in which it is implemented. It contains a voltage comparator which is used to detect when the system supply voltage drops below an internally or externally set trip point. When this occurs, an active-low reset signal is generated, and the system is held in reset until the supply voltage is above the trip level for a predetermined period of time. POR and Reset Timers can also be enabled to provide additional time delays after power-on reset to ensure that all supply voltages are stable enough for proper system operation.

The CAT705VI-GT3 also contains a power-good comparator which monitors the system supply voltage against a second, usually higher, trip point. When the system supply voltage is above this point, an active-high power-good signal is generated to indicate the system is ready for operation. This power-good signal can also be used to enable system peripherals or provide a status indication.

The CAT705VI-GT3 provides a wide range of applications in mobile and consumer products, as it can be used to detect under/over voltage and brown-out conditions for progressive, safe shutdowns and restarts. Its programmable input level detections and delay timers enable intelligent system responses when power flow needs to be managed. As such, the CAT705VI-GT3 is a valuable asset in managing system level power supply voltages.

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