X5328S8Z-4.5A

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The X5328S8Z-4.5A is a generic industry-standard linear voltage supervisor chip used for many applications requiring monitoring of an externally derived supply voltage. A variety of supervisors are available from vendors meeting the growing demands of high speed designs and specialized performance.

The X5328S8Z-4.5A provides a regulated positive supply through the Vcc pin, protected against short-circuits and over-currents. It also contains an adjustable delay circuit to delay the output voltage waveform after power-up. In addition, it features an active-low reset output, which can be used to reset other circuits. The on-chip reset pulse is typically activated when the Vcc voltage falls below a certain level, which is adjustable by means of a trimming potentiometer.

The four pins of the X5328S8Z-4.5A are connected in a "T" shape, with the reset output pin at the center. The top pin is the Vcc supply voltage input, the left pin is the delay-circuit output, and the right pin is a reference voltage input. When the Vcc voltage falls below the prespecified level, it triggers the delay circuit, resulting in a low-level reset pulse at the center output pin. The device also has a power-on reset function, which can be invoked by grounding the reference voltage input pin.

The X5328S8Z-4.5A operates from a single power supply of 3V to 5.5V and is designed to monitor two external supply voltages, Vcc and reference. The device can be used in a variety of applications where monitoring of multiple supply voltages is necessary in order to maintain system stability. Such applications include memory systems, power management systems, and embedded computers.

The major advantage of the X5328S8Z-4.5A is that it offers a cost-effective way to monitor multiple supply voltages. Its integrated adjustable load current provides a high level of flexibility in configuring systems. Its ability to detect and reset multiple power supply voltages ensures system stability and reliability. Its active-low reset output can be used to reset other circuits, while its adjustable delay circuit allows for timing optimization.

In summary, the X5328S8Z-4.5A belongs to the PMIC (Power Management IC) Supervisors category due to its ability to monitor and reset multiple supply voltages. Its use in embedded computers, memory systems, power management systems, and other related applications requires monitoring of the external supply voltages. It is convenient to use, cost-effective and offers high levels of flexibility in designing, with its adjustable load current, active-low reset output, and adjustable delay circuit.

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