VI-231-CU-B1

Current - Output (Max):	16.67A
Size / Dimension:	4.60" L x 2.40" W x 1.07" H (116.8mm x 61.0mm x 27.1mm)
Package / Case:	Full Brick
Mounting Type:	Through Hole
Efficiency:	90%
Operating Temperature:	-25°C ~ 85°C
Features:	OCP, OTP, OVP, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV
Power (Watts):	200W
Series:	VI-200™
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	12V
Voltage - Input (Max):	60V
Voltage - Input (Min):	42V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Bulk

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DC DC Converters: VI-231-CU-B1 Application Field and Working Principle

DC-DC converters are an essential element in many industries, and the VI-231-CU-B1 is no different. This particular model is a step-down DC-DC converter with a wide input range, so it can be used in any application requiring a DC-DC converter. In this article, we will discuss the application field of the VI-231-CU-B1 and its working principle.

Application Field of the VI-231-CU-B1

The VI-231-CU-B1 is designed for use in a variety of applications, including industrial equipment, automotive applications, battery-powered devices, gaming systems, charging systems, and solar and alternative energy systems. The wide input range of this model makes it suitable for many different applications, as it can handle input voltages between 9V and 30V DC. This makes it perfect for most industrial applications, where the power source is often unregulated or the input voltage can vary.The VI-231-CU-B1 also features high efficiency of up to 94%, meaning less energy is wasted, and its low output ripple makes it well suited for sensitive applications such as data logging or image processing equipment. Additionally, it is protected against short circuit, over-current, and over-voltage, which makes it a reliable and safe choice for any application.

Working Principle of the VI-231-CU-B1

The VI-231-CU-B1 is a type of step-down DC-DC converter, meaning it converts a higher voltage DC input into a lower voltage DC output. It works using the Flyback transformer principle, where the input voltage is switched by an internal Pulse Width Modulated (PWM) controller, and the output voltage is ramped up or down to meet the desired output voltage.The heart of the VI-231-CU-B1 is a high frequency switching circuit that controls the switching frequency of the PWM controller. This switching circuit acts as a frequency-detector and is designed to detect the incoming voltage and adjust the switching frequency accordingly. This ensures that the output voltage stays within the desired range regardless of fluctuations in the input voltage.The VI-231-CU-B1 contains several protection features designed to prevent damage to the internal circuitry. For example, it features over-current, over-voltage, and short circuit protection, as well as soft-start and thermal shutdown. Additionally, the VI-231-CU-B1 is housed in a sealed package, making it dust and moisture-proof, ideal for use in harsh environments.

Conclusion

The VI-231-CU-B1 is a versatile and reliable DC-DC converter that is suitable for use in a wide range of applications. Its wide input voltage range and high efficiency make it ideal for industrial applications, while its protection features ensure seamless operation in even the most demanding environments. Additionally, its Flyback transformer based switching circuit ensures that the output voltage remains within the desired range even with fluctuations in input voltage.

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