RT9819B-18GU3

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The RT9819B-18GU3 is a supervisor IC developed by Richtek Technology Corporation. It is a Power Management IC (PMIC) that provides a basic system reset management solution to guarantee the correct initialization and safe operations. This IC has a wide application field and works with an advanced reset circuit configuration.

This IC operates in one of three different reset states: first, Normal Mode; second, Timed-out Mode; and third, Power-On-Reset Mode. The Normal Mode is generally used when the system is stable and functioning properly. In this mode, the IC monitors the VCC voltage and is reset when the voltage drops below the reset threshold voltage. The Timed-out Mode is used when the system is operating in an abnormal state, such as when there is an over-current or over-voltage condition. In this mode, the IC resets the system after a certain period of time. The Power-On-Reset Mode is used when the VCC voltage is abnormally low at the time of power-on. In this case, the IC will reset the system to its initial state.

The RT9819B-18GU3 is a highly integrated supervisor IC that contains a few other features. It has an independent voltage detection circuit which can detect a wide range of input voltages. It also contains a low-voltage lockout circuit which prevents the system from entering an abnormal state caused by low input voltage. In addition, this IC is also equipped with an adjustable reset pulse time and it has an open-drain output to allow the IC to be used in a wide range of applications.

The RT9819B-18GU3 is designed to be used in a wide range of applications including industrial automation, security systems, medical equipment, automotive applications, consumer electronics, and other special purpose applications. This IC can provide a cost effective and reliable means for reset management in these various applications.

In conclusion, the RT9819B-18GU3 is a highly integrated, feature-packed Power Management IC (PMIC) that ensures safe operations. It has a wide application field, allowing it to be used in a variety of applications. Its basic reset circuit configuration guarantees that the system can be restored to the correct initial state in case of an abnormal situation.

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