PQ018EZ1HZZ

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The PQ018EZ1HZZ is a voltage regulator chip produced by Power Integrations. It is part of their line of high accuracy adjustable voltage regulators, which are categorized as a part of PMIC (Power Management IC) products. This type of voltage regulator is a linear regulator, and it is designed for use in applications where efficient and precise power control is required. In this article, we will discuss the application field, the working principle and features of the PQ018EZ1HZZ regulator.

Application field

The PQ018EZ1HZZ is ideal for applications that require a high degree of accuracy and tight control over output voltage. It can be used in many types of applications including power supplies for laptops, cell phones, and other portable devices, as well as automotive electronics. It is especially useful for applications where the input voltage can vary between a wide range, and the output voltage must stay constant. Its tight input/output and current regulation also makes it suitable for precision linear control applications, and it can be used to reduce noise and ripple in audio, video and communication circuits.

Working principle

The PQ018EZ1HZZ voltage regulator is a linear regulator, which means that it relies on a feedback loop to monitor and adjust the output voltage. The regulator consists of a reference voltage, a precision voltage divider, an operational amplifier and error detecting circuit, an output driver, and a series of pass elements. In operation, the reference voltage is compared to the output voltage, and the error detector circuit then signals the output driver to adjust the voltage. The pass elements then regulate the current, and this helps minimize any power dissipation in the components. The output driver is also designed to minimize power consumption, as well as transfer energy to the load.

Features

The PQ018EZ1HZZ voltage regulator is designed to provide a high level of accuracy and performance. It has a guaranteed low line regulation of 0.2% maximum, and a guaranteed low noise level of 0.5 mVrms (maximum). It also has a wide input voltage range of 2.9V to 30V, and can handle up to 1.5A of output current. The output voltage is adjustable by means of an onboard trimmer, and can be set between 0.8V and 28V. The regulator also has several protective features, including overload and overvoltage protection, and an external sense pin for negative voltage applications.

The PQ018EZ1HZZ voltage regulator has been designed to meet all the requirements of demanding high accuracy and tight control applications. It is an ideal choice for applications such as power supplies, linear control circuitry, and audio/video/communication circuits, and it can be used in a wide variety of applications.

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