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			#11  
			
			
			
			
			
		 
		
		
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			 Well... actually one less now   
		
	
		
		
		
		
			The LM2576HV i have works well, stays cool, and is able to step down from 48VDC. Most of the other dc/dc converters are limited to ~36v, but the biggest selling point is that they come pre-assembled. Here's that schematic for the fan. ![]() 
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