RKZ-1212S Power Supplies - Board Mount

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DC DC Converters

DC-DC converters are electrical circuits that allow direct current to be converted from one voltage to another. The most commonly used type of DC-DC converter is a Buck Converter, which is a linear converter that transforms a higher voltage level into a lower voltage level. This type of DC-DC converter is used in many applications, such as automotive, computers, telecommunications, medical, and audio. One such converter is the RKZ-1212S, which will be discussed further in this article.

RKZ-1212S Application Field and Working Principle

The RKZ-1212S is a 12V-12V dual output, switching step-down DC-DC converter module. It supports input voltage ranges of 4.5V to 13.8V, and the output voltage is adjustable between 1.25V and 11.4V. This makes it well-suited for use in applications with varying input voltages, such as laptop chargers, 12V power supplies, and automotive electronics. The RKZ-1212S also features high efficiency and low ripple, making it ideal for high power and low noise applications.

The RKZ-1212S uses a switching step-down DC-DC converter topology, known as a buck converter. This type of converter consists of an inductor, a diode, a transistor (or two transistors in this case), a capacitor, and a voltage regulator. The regulator is what controls the output voltage of the converter, while the rest of the components are responsible for converting the input voltage to the desired output voltage. The inductor stores energy and provides a smooth pathway for the energy to flow from the input to the output. The diode acts like a one-way valve, allowing energy to pass from the input to the output but preventing it from flowing back in the other direction. The transistors switch the inductor on and off, converting the input voltage into the desired output voltage.Finally, the capacitor smooths out any fluctuations in the output voltage.

The RKZ-1212S includes many additional features that make it even more attractive for use in a variety of applications. It includes overload protection, short circuit protection, and overvoltage protection, which help to protect the circuit and ensure safe, reliable performance. It also boasts a wide operating temperature range of -25°C to +85°C and a high switching frequency of up to 500kHz, making it well-suited for use in extreme temperature environments. The RKZ-1212S also features a high power density of up to 202W and a low profile of only 17.75mm, making it suitable for a wide range of applications.

In conclusion, the RKZ-1212S is a versatile, efficient, and reliable DC-DC converter module that is well-suited for a wide range of applications. It features a wide input voltage range of 4.5V-13.8V, an adjustable output voltage range of 1.25V-11.4V, and a high switching frequency of up to 500kHz. In addition, it includes features such as overload protection, short circuit protection, and overvoltage protection, and boasts a high power density of up to 202W and a low profile of only 17.75mm, making it ideal for use in automotive, computers, telecommunications, medical, and audio applications.

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