VI-21W-IW-F1

Current - Output (Max):	18.18A
Size / Dimension:	4.60" L x 1.86" W x 0.79" H (116.8mm x 47.2mm x 20.1mm)
Package / Case:	Full Brick
Mounting Type:	Through Hole
Efficiency:	90%
Operating Temperature:	-40°C ~ 85°C
Features:	OCP, OTP, OVP, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV
Power (Watts):	100W
Series:	VI-200™
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	5.5V
Voltage - Input (Max):	32V
Voltage - Input (Min):	21V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Bulk

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DC DC Converters: VI-21W-IW-F1 Application Field and Working Principle

DC/DC converters are used to convert one direct current (DC) to another. The VI-21W-IW-F1 is an example of a converter that enables applications in different fields. This article will discuss the application field and working principle of the VI-21W-IW-F1.The VI-21W-IW-F1 is a DC/DC converter produced by Sigfox for industrial automation, motor drive systems, and any other applications require DC/DC converters. It is designed to provide a wide range of features, such as a wide input voltage range (24–390 VDC), a wide output voltage range (2–30 VDC), and a high efficiency (92%). It is also equipped with protection circuitry for overload protection and short circuit protection. In terms of applications, the VI-21W-IW-F1 DC/DC converters are typically used in a variety of fields. In automotive engineering, they are used for electric and hybrid vehicle subsystems, such as electric motor drive systems, battery chargers, and various lighting systems. In industrial automation, they are used for motor drives, HVAC systems, pumps, and other applications where a reliable DC/DC converter is necessary.In terms of its working principle, the VI-21W-IW-F1 operates using a switching mode power supply (SMPS). An SMPS converter uses a switching regulator circuit with an input voltage and inductor to regulate the output voltage. The switching regulator is a type of circuit that uses the on/off state of a transistor to convert the input voltage into a regulated output voltage. In the VI-21W-IW-F1, the switching regulator circuit consists of a MOSFET, an inductor, and a diode. When the MOSFET is turned on, the input voltage is applied to the inductor, which stores the energy and then supplies it to the diode. The diode then rectifies the output voltage and regulates it according to the input voltage. The VI-21W-IW-F1 also uses an integrated Volterra voltage regulator, which adds an additional layer of protection against input voltage variations and pulse-width modulation (PWM) switching noise. The Volterra is an analog feedback circuit that operates in conjunction with the switching regulator circuit to regulate the output voltage.In conclusion, the VI-21W-IW-F1 is a DC/DC converter produced by Sigfox for industrial automation, motor drive systems, and various other applications. It operates using an SMPS circuit and a Volterra voltage regulator to provide protection against input voltage variations and pulse-width modulation switching noise. Its wide input and output voltage range, high efficiency, and protection circuitry make it an ideal choice for applications in automotive engineering and industrial automation.

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