PQ033Y3H3ZPH

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PQ033Y3H3ZPH combines a two channel low-dropout (LDO) regulator and a three channel buck converter linear voltage regulator. It is designed to protect the device from unintentional overcurrent, overvoltage, undervoltage and overtemperature conditions. It is suitable for automotive, industrial and consumer applications.

PQ033Y3H3ZPH has various protection circuits, including an overvoltage protection (OV) circuit to protect the regulator against abnormal voltages, overcurrent protection (OCP), short-circuit protection (SCP), and thermal shutdown (TSD) with hysteresis. PQ033Y3H3ZPH has adjustable output voltage range that can be adjusted from 0.8 V to 16.8 V. It also allows startup time reduction and flexible system power management.

The working principle of PQ033Y3H3ZPH is relatively straightforward and can be divided into two components: the LDO regulator and the low noise linear voltage regulator. The LDO regulator is made up of two independent channels that provide adjustable current-limited output voltage ranges between 0VT and 0.8DT. The two channels either provide 2A of output current per channel or accept up to 3.2A of input current without sacrificing the device\'s stability. The LDO is designed to maintain a constant output voltage by using an effective voltage reference and an internal current limitation mechanism.

The low noise linear voltage regulator maintains system-level voltage compliance and protection against overcurrent, short circuit, and overtemperature conditions. It is made up of three channels (buck, boost, and boost/inverter) and has buck operation that can be operated in both step-down and step-up voltage mode. It can also operate in a single buck mode with peak switch current of 3.2A. The output voltage levels can be adjusted in the range of 0.8V to 16.8V, and there is a minimum quiescent current of 2.5mA.

PQ033Y3H3ZPH offers features tailored to fit a wide range of automotive, industrial and consumer applications. It can provide power rail protection, power supply monitoring, power supply sequencing, power system restart, and power supply cascading. The integrated protection and diagnostic features of PQ033Y3H3ZPH eliminate the need of a separate protection system, reducing the total system cost.

In summary, PQ033Y3H3ZPH is a two channel low-dropout and three channel buck converter linear voltage regulator. It is designed to provide power rail protection, power supply monitoring, power supply sequencing, power system restart, and power supply cascading. It has adjustable output voltage range that can be adjusted from 0.8 V to 16.8 V and can operate in both step-down and step-up voltage mode. It offers various protection circuits and is suitable for automotive, industrial and consumer applications.

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