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March 21, 2019    

V48A28C500A L 500 Watt Fully Isolated Vicor DC/DC 48 Volt to 28 volt Converter full bricks at 1/2 price

DC/DC converters with 48VDC input
More 48V input DC/DC converters
diagram of the V48A28C500A layout and pinout

This is a fully isolated 48V to 28V DC/DC converter module, or "full-brick." It has 3000 volts isolation from input to output, has a standard footprint, and a wide voltage input of 36VDC-75VDC. The 48 Volts output is at 17.9 Amps, giving 500 watts.

The short circuit protection is done by an automatic recovery "hiccough mode," meaning that when it detects an overload it tries to come on, then if the fault is still there it will shut off. This happens continually until the fault is corrected.

This is perfect for down converting 48 Volts from battery or telecom voltage sources to 28 Volts for operating 24V vehicle equipment.
These are high quality, brand name USA converters, NAFTA eligible .
Quantity 1-10
V48A28C500AL 48V to 28V DC/DC down converter, 500 Watts
V48A28C500BL, whichever is in stock.
Out of stock until further notice, sorry.

Isolated DC converter full-brick circuit board mount modules.

Summary of features. For full data click on the data sheet link.
Characteristic Vicor UL (RU) CE, CSA, TUV listed      
V48A28C500A Input 48V nominal 48 Volts 36V-75V PDF Data Sheet
Input 36VDC-72VDC      
Output 28V 17.9Amps 500W  
Setpoint Accuracy 1% typical, 3% maximum      
Line and Load Regulation 0.05% typical, 0.2% maximum using sense lines      
Form Factor 117mm full-brick      
Isolation 3000V input-output      
Remote voltage sensing Yes      
Parallel operation Can be paralleled to obtain 1000W, 1500W, 2000W, etc. See PDF data sheet    
Efficiency up to 90% efficient      
Temperature Range -20°C to + 100°C operating      
Trim Range The trim range is ±10%      
Weight 210 grams 7.4 oz.    
Size 117 x 56 x 12.7 mm 4.6" x 2.2" x 0.5"    
Country of Origin USA, NAFTA eligible      

On-OFF Pin: Grounding this pin turns the output off.


OEM Battery Chargers Inexpensive High Current Switchmode DC/DC Converter.

OEM Battery Chargers High efficiency approximately 85.

Universal Power Input OEM Power Supplies and OEM Battery Chargers Extra Wide input voltage range.

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