V24A28C400BN2

Current - Output (Max):	14.29A
Base Part Number:	V24A28C400
Size / Dimension:	4.60" L x 2.20" W x 0.54" H (116.8mm x 55.9mm x 13.7mm)
Package / Case:	Full Brick
Mounting Type:	Through Hole
Efficiency:	87.8%
Operating Temperature:	-20°C ~ 100°C
Features:	OVP, UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV
Power (Watts):	400W
Series:	Maxi
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	28V
Voltage - Input (Max):	36V
Voltage - Input (Min):	18V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Bulk

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DC DC Converters are devices which can convert direct current (DC) electrical energy into alternating current (AC) energy. The V24A28C400BN2, manufactured by MEAN WELL, is a robust high current isolated DC-DC converter. Used in a variety of applications, this device is versatile and reliable.The V24A28C400BN2 operates on a wide input voltage range of 18V to 75V and can provide an output voltage between 0.8V and 60V. It can generate a maximum output current of 400W and a total output power of 4800W. It also features high efficiency ratings of up to 86%.The V24A28C400BN2 is mainly used in distributed power applications such as in telecom base stations, measuring equipment, industrial process control, medical diagnostics, and audio/video systems. This adjustable DC-DC converter also comes in a variety of form factors, making it convenient for users to integrate into their applications.Working PrincipleThe V24A28C400BN2 converter is based on the principle of Pulse Width Modulation (PWM) or linear mode conversion. This converter has an input stage in which the DC input voltage is converted into a rectified AC voltage. This AC voltage is filtered and sent to the voltage regulation block, which controls the duty cycle of the output voltage. Then, the rectified output voltage is filtered through the output stage and provided to the load.In PWM mode, the DC-DC converter continuously checks the output voltage of the device and adjusts its duty cycle accordingly. The PWM mode works on the principle of varying the on/off ratio of the gates to control the output voltage. Thus, the duty cycle can be changed to attain the desired output voltage. This helps in maximizing the power efficiency of the device.In linear mode, the output voltage is controlled by changing the resistance of the pass element. The PWM frequency is kept constant and the duty cycle is adjusted by decreasing the resistance of the pass element until the desired output voltage is attained.Finally, the V24A28C400BN2 converter implements several safety features to protect it from damage caused due to abnormal operating conditions. These features include input reverse polarity protection, over-voltage protection, short-circuit protection, and over-temperature protection.The V24A28C400BN2 DC-DC converter is an efficient, reliable, and robust device designed for distributed power applications. With its wide input voltage range, adjustable output voltage, and high efficiency ratings, this device is one of the most versatile DC-DC converters available in the market.

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