V48A12C500BL2

Current - Output (Max):	41.67A
Base Part Number:	V48A12C500
Size / Dimension:	4.60" L x 2.20" W x 0.62" H (116.8mm x 55.9mm x 15.7mm)
Package / Case:	Full Brick
Mounting Type:	Through Hole
Efficiency:	88%
Operating Temperature:	-20°C ~ 100°C
Features:	OVP, UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV
Power (Watts):	500W
Series:	Maxi
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	12V
Voltage - Input (Max):	75V
Voltage - Input (Min):	36V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Bulk

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DC DC Converters

DC-DC converters are a type of power supplies that can convert a DC voltage, generally from a higher voltage to a lower voltage. DC DC converters are commonly used in consumer electronics, electric vehicles, medical electronics, telecommunications, PCB and aeronautical applications.The V48A12C500BL2 is a DC-DC converter from Vicor Corporation that combines the functionality of a 48V DC Input, 12V DC Output, 500W Isolated DC-DC Converter. It is designed to regulate input voltage and maintain a steady output voltage in applications where the input and output voltages are separated by several hundred or thousands of volts.Working Principle:The V48A12C500BL2 uses an isolated DC-DC converter circuit to convert a high DC voltage, typically 48V, into a variable DC voltage output of between 12V and 14V. The circuit topology used is a variation of the buck converter, where the input voltage is stepped down by a transformer and the output voltage is regulated by a switching power MOSFET. The MOSFET is used as the active switch of the converter and is controlled by a voltage monitoring circuit which adjusts the on-time and duty cycle of the output voltage.The voltage monitoring circuit actively monitors the output voltage and adjusts the on-time of the MOSFET until the desired output voltage is achieved. By using the MOSFET as the actively switching component, the V48A12C500BL2 can attain higher conversion efficiency than a linear regulator. The output is also isolated from the input, enabling the use of a floating output voltage and preventing ground loops in applications where both the input and output grounds are of different potentials.Application Field:The V48A12C500BL2 is suitable for applications where a high DC input voltage needs to be converted into a lower DC output voltage with isolation. These types of applications can include:• Portable medical equipment• Telecom base stations• Electric vehicles• Industrial process control• Microprocessor/Programmable Logic Controller (PLC) equipment• Uninterruptible Power Supplies (UPSs)• Solar/renewable energy systems• RoboticsAdvantages:The V48A12C500BL2 offers many advantages over linear regulators, such as higher efficiency, high isolation voltage ratings, low heat dissipation, wide output voltage adjustment range, and small form factor. Additionally, the converter provides excellent transient response to changing load conditions with low ripple and noise.Conclusion:The V48A12C500BL2 is an isolated DC-DC converter which is designed to convert a high DC input voltage into a variable DC voltage output. The converter offers many advantages such as higher efficiency, high isolation voltage ratings, low heat dissipation, wide output voltage adjustment range, and small form factor. It is suitable for applications where a high DC input voltage needs to be converted into a lower DC output voltage with isolation, such as portable medical equipment, telecom base stations, electric vehicles and process control equipment.

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