UMZ12KTL Discrete Semiconductor Products

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Diodes - Zener - Arrays are components that can be used in a variety of applications. The UMZ12KTL is one such component and its application field and working principle are quite specific.

The UMZ12KTL is a surface mount voltage regulator array. It is designed to provide an accurate and stable output voltage of 12.0V ± 0.5V in an intermittent mode of operation. It is capable of supplying a maximum output current of 1A and its output can be adjusted within a range of 0.5V - 11.5V. The input voltage required for the device is usually between 4V and 18V, typically between 6V and 16V.

The UMZ12KTL is based on an integrated circuit (IC) consisting of three zener diodes held within an 8-lead plastic package. Each zener diode is rated for a maximum voltage of 5.0V. The IC\'s voltage regulator section consists of several transistors and resistors. All the components are connected in series to ensure that the output is regulated over a wide temperature range of -40°C - +125°C.

The working principle of the UMZ12KTL is based on the dynamic characteristics of the zener diodes. When the applied input voltage exceeds the 5.0V rating of the individual diodes, the current is forced to flow through the IC\'s voltage regulator section. The transistors continually adjust the output voltage to a predetermined level, while the resistors limit the current. This ensures that the device produces an accurate and stable output voltage of 12.0V ± 0.5V.

The UMZ12KTL has a wide range of application fields, including power supply, automotive electronic and automotive control systems; audio and video systems; and telecommunication applications. It is also suitable for general-purpose DC to DC power conversion, voltage division, and voltage scaling applications.

In summary, the UMZ12KTL is a surface mount voltage regulator array based on an integrated circuit containing three zener diodes. It is capable of providing a highly accurate and stable output voltage of 12.0V ± 0.5V over a wide temperature range. This makes it suitable for a wide range of applications, including power supplies, automotive electronics, and consumer video and audio systems. Additionally, the UMZ12KTL is relatively simple in terms of its working principle, as it relies on the dynamic characteristics of the zener diodes and the regulating components within the IC.

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