X5328S8IZ

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	100 ms Minimum
Voltage - Threshold:	4.38V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	X5328

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IntroductionThe X5328S8IZ is a PMIC Supervisors family device designed for applications that require supervisory functions with very low power consumption, low input voltage detection capability, compatibility with low supply and battery-backed systems, and high noise immunity. It employs trip-point technology to detect "out-of-tolerance" conditions in supply and power sources, as well as onboard Vcc and VCC1 supply.The X5328S8IZ serves as the PMIC Supervisors solution for embedded applications that include off-line AC adapters and power supplies, computer motherboards, communication devices, and other digital and analog circuit boards. It features flexible programmable power-up/reset delays, pull-up/pull-down control and startup/shutdown control outputs.Device OverviewThe X5328S8IZ is a low-power supervisor device that provides voltage supervisory functions for single supply and battery-backed systems. It is designed for systems running under any combination of AC/DC power sources, including utility/alternate power, battery and/or external power. It includes protection circuitry to ensure reliable powerup/reset under noisy conditions.The X5328S8IZ features trip-point technology to detect out of tolerance conditions in the supply sources and internal Vcc andVCC1 supplies. The device incorporates a voltage monitor low-power comparator to detect out of tolerance conditions, as well as monitored precision at power up, power down, reset, and out of phase conditions.The X5328S8IZ includes programmable reset, power-on and power-off delays, and also has pull-up/pull-down control and startup/shutdown control outputs. This device is also provided with an input voltage monitor and reset timer output. Additionally, the device offers various protection features such as over-voltage, under-voltage and reset disable.Application FieldsThe X5328S8IZ lends itself to several applications. It is an ideal choice for embedded systems where power monitoring, system control, low-power consumption and reliability are the requirements. The device is suitable for systems employing AC or DC power sources, such as ATX, PC, industrial and communication equipment.The X5328S8IZ is also ideal for power monitoring applications such as motor drives, inverters, solar and automotive applications. It is also used in low-power applications such as battery-backed systems, modems, point of sale and portable systems.Working PrincipleThe X5328S8IZ works by monitoring input voltage and providing an accurate reset timer output when out-of-tolerance conditions are detected. The device features programmable power-up/reset delays, pull-up/pull-down control, and startup/shutdown control outputs.The device monitors the supply voltage level through a voltage monitor low-power comparator. In the event that the monitored supply voltage is out of tolerance, an accurate reset monitor output is produced. This reset monitor output is used to generate a reset signal to inform the system that the voltage is below the device\'s programmed trip-point. The reset signal is then used to reset the system and thus achieve power-up/reset functions.The X5328S8IZ also features various protection functions such as overvoltage, undervoltage and reset disable. The overvoltage protection helps prevent the system from becoming damaged by potentially high voltages. The undervoltage protection protects the system against potentially low voltage, while the reset disable functionality helps protect the device from high inrush currents during startup.ConclusionThe X5328S8IZ is a low-power supervisor device that offers a range of features ideal for embedded systems and power monitoring applications. It is a PMIC Supervisors device that includes several protection features such as overvoltage, undervoltage and reset disable, as well as programmable power-up/reset delays, pull-up/pull-down control, and startup/shutdown control outputs. The device is designed to monitor input voltage and provide an accurate reset timer output when out-of-tolerance conditions are detected. Additionally, it provides protection for the system against potentially high or low voltages. The X5328S8IZ is therefore an ideal choice for embedded systems, motor drives, inverters, solar and automotive applications, battery-backed systems, and other low-power applications.

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