VI-B1Z-CX

Current - Output (Max):	15A
Size / Dimension:	4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm)
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):	30W
Series:	VI-200™
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	2V
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 to DC ConvertersDC to DC converters are a type of power converter that changes the voltage of a DC power source by employing charge transfer steps. They typically have a DC power source as an input, intermediate circuitry, and a DC power load as an output. Their principle of operation is based on the fact that electric current is an alternating waveform and practical DC voltage gradients are limited by physical phenomena such as heating of the conducting media. DC to DC converters are typically used in applications where a DC voltage level needs to be increased or decreased in order to meet the requirement of the load.VI-B1Z-CX Application Field and Working PrincipleThe VI-B1Z-CX is a DC-to-DC converter manufactured by Vicor Corporation. The converter is built for use in motion control, industrial automation, aerospace, and other industrial applications requiring efficient and reliable power conversion. The device offers high-efficiency operation and is capable of achieving a power output of up to 400W.The VI-B1Z-CX utilizes primary-side regulation, which can provide regulated DC output over a wide input voltage range, even in the presence of unfavorable load or line conditions. The converter achieves this by varying the duty cycle of a high-frequency MOSFET switching regulator. A PI loop is employed to regulate the output voltage. The PI loop consists of an error amplifier, reference comparator, adjust comparator, reference voltage divider, and a shunting current source. The error amplifier compares the output of the reference voltage divider to the output of a sense resistor. This provides the PI loop with the necessary information to maintain a regulated output voltage. The output voltage can also be adjusted or adjusted through an external resistor connected to the adjust pin. The VI-B1Z-CX allows for variable operation via an integrated enable/disable pin. When the chip is disabled, it limits the output current to a fraction of the current limit, allowing for a softer start-up, as well as protection from excessive inrush current. When the enable/disable signal is active, the current will increase to its full-rated current. The device also features overload and short circuit protection, and can switch between three operating modes; a synchronized buck (down-conversion), a buck-boost (up/down-conversion) and a discontinuous conduction mode (DCM). The buck and buck-boost modes are useful for applications with non-linear loads, while the DCM mode is used in applications that require wide input voltage regulation with a wide input voltage range. Overall, the VI-B1Z-CX is a reliable and efficient DC-to-DC converter that is well suited for a variety of industrial and motion control applications. It’s primary-side regulation allows for regulated DC output over a wide range of input voltage conditions, while its integrated enable/disable pin facilitate for variable operation. Its overload protection and switchable operating modes make it a reliable and robust solution for many challenging applications.

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