LM3722IM5-4.63/NOPB

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Power Management Integrated Circuits, commonly known as PMICs, can be classified into the following categories: Supervisors, DC/DC Controllers, Hot Swaps, and Many Others. The LM3722IM5-4.63/NOPB from Texas Instruments is part of the Supervisor category and is designed for applications such as notebook PCs, servers and embedded systems.

As a supervisor, the LM3722IM5-4.63/NOPB provides accurate, processor-based monitoring and power sequencing of multiple rails. The supervisor provides programmable supply rails in sequence, as well as direct control of system-level power management, such as suspend and resume. Input voltage monitoring and system reset are also integrated within the device.

The LM3722IM5-4.63/NOPB is commonly used to monitor and control multiple output supplies, such as the main core processor supply, I/O processor supply, and other secondary processor supplies. The supervisor also provides support for multiple processors, meaning that it is designed to provide power sequencing across multiple processors.

In addition to support for multi-processor systems, the LM3722IM5-4.63/NOPB is designed to ensure accurate input voltage monitoring. The supervisor compares the input voltage to an internal DAC-generated threshold, which is designed to indicate system power-good or power-fail status. If the input voltage falls below the threshold, then the supervisor will assert its output indicating that the system power is failing and must be reset.

The LM3722IM5-4.63/NOPB supervisor also provides support for an internal sequence control logic state machine. This enables the supervisor to accurately indicate system-level power management, such as suspend and resume states. The sequence control logic state machine can be programmed to be responsive to user-defined events such as system reset triggers or over temperature events.

The internal sequence control logic state machine also provides support for a programmable power-down +5V source. This allows the supervisor to monitor and control the power supply rail, thereby ensuring accuracy of power-down sequencing.

The LM3722IM5-4.63/NOPB supervisor is widely used in low-power systems such as notebook PCs, servers and embedded systems. Its accurate input voltage monitoring and programmable power-down +5V source make it an ideal choice for power-management applications.

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