SMPZ3922B-E3/84A

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SMPZ3922B-E3/84A is a single-diode Zener device, equipped with a series pass element, commonly used in voltage regulation. It uses the physical principle of breakdown of the junction PN when subject to the reverse voltage in order to achieve the effect of precision voltage regulation. The action of this device follows that of a classical diode, characterized by its rectification features and reverse voltage regulation features. These two functional features are achieved by expanding and optimizing the electronic effect of the semiconductor material. Note that the breakdown potential also affects the device’s performance.

Application Field for SMPZ3922B-E3/84A

SMPZ3922B-E3/84A is mainly used as a voltage regulator in many application fields such as consumer electronics, automotive systems, measurement and control devices, telecommunication systems and medical equipment. Due to the exceptional low reverse leakage current, the device is also particularly suitable when using temperature dependent sources, like sun light, to power electronic systems. In such applications, the device can be used as a temperature-constant voltage source. It is also often used in high frequency applications where switching speed and efficiency are required. In order to solve power supply problems, electrical equipment may require SMPZ3922B-E3/84A’s precise voltage regulation ability.

Working Principle of SMPZ3922B-E3/84A

The operating principle of the SMPZ3922B-E3/84A is based on the breakdown of the PN junction. When the reverse voltage reaches a value equal or less than the breakdown voltage of the device, the current of the reverse path gets amplified, until the junction eventually breaks down and the PN junction is fully exposed to the voltage of the reverse path. The breakdown voltage of the device depends on the dopants inside the silicon wafer and, in particular, on the amount and type of the dopants. The limits of the breakdown voltage of the device are usually established by a manufacturer before delivery. With the help of SMPZ3922B-E3/84A, it is possible to adjust the voltage of the output side so that the voltage regulator is accurately controlled, thus making the circuit operation more stable and reliable.

Furthermore, the device helps to resolve the problems of power supply in equipment, as it is able to precisely regulate the voltage applied to the equipment. This device offers two operation modes, namely, linear mode and pulse mode. In linear mode, the output voltage is maintained indirectly by the device, while in pulse mode, the output voltage is regulated with the help of a narrow, high power pulse signal. In some applications where the device is used for the reversed direction current, the output signal can also be adjusted with these two working modes.

The SMPZ3922B-E3/84A is an indispensable device for voltage regulation in many application fields. Its excellent performance and improved working principle have made it a preferred device for many users. It can successfully regulate the voltage of the output side and help to solve power supply issues for various types of applications.

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