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					CUI Inc │ SERIES: VYC30W │ DESCRIPTION: DC-DC CONVERTER  
					date 08/29/2012 │ page 2 of 6  
					PART NUMBER KEY  
					VYC30W - QXX - X XX - X  
					Base Number  
					Output  
					Heatsink  
					"blank" = No  
					H = Yes  
					S = single output  
					D = dual output  
					T = triple output  
					Input Voltage  
					Output Voltage  
					INPUT  
					parameter  
					conditions/description  
					min  
					typ  
					max  
					units  
					9
					18  
					24  
					48  
					36  
					75  
					Vdc  
					Vdc  
					operating input voltage  
					start-up time  
					10  
					ms  
					power up 24 V input  
					9.0  
					17.8  
					Vdc  
					Vdc  
					Vdc  
					Vdc  
					power up 48 V input  
					power down 24 V input  
					power down 48 V input  
					under voltage lockout  
					8.0  
					16.0  
					module off  
					module on (or open circuit)  
					0
					3.5  
					1.2  
					12  
					Vdc  
					Vdc  
					Remote on/off1  
					filter  
					PI type  
					Notes:  
					1. The on/off pin voltage is referenced to GND  
					OUTPUT  
					parameter  
					conditions/description  
					min  
					typ  
					max  
					±0.5  
					±1  
					units  
					%
					single and dual output models, measured from  
					low line to high line at full load  
					triple output models (main output), measured  
					from low line to high line at full load  
					triple output models (auxiliary outputs), measured  
					from low line to high line at full load  
					±0.2  
					line regulation  
					load regulation  
					voltage accuracy  
					%
					±5  
					%
					single and dual output models, measured from  
					10% to full load at nominal input  
					triple output models (main output), measured  
					10% to full load at nominal input  
					triple output models (auxiliary outputs), measured  
					10% to full load at nominal input  
					±0.5  
					±1  
					±2  
					±5  
					%
					%
					%
					single and dual output models, refer to  
					recommended circuit  
					triple output models (main output), refer to  
					recommended circuit  
					triple output models (auxiliary outputs), refer to  
					recommended circuit  
					±1  
					±2  
					±5  
					±3  
					%
					%
					%
					transient recovery time  
					transient peak deviation  
					25% ~ 50% ~ 25% step load charge  
					25% rated load change  
					300  
					300  
					500  
					±5  
					μs  
					μs  
					dual output models, main output 50% load,  
					supplemental output from 10~100% load  
					triple output models, main output and one  
					auxiliary output 50% load, another auxiliary  
					output from 10~100% load  
					cross regulation  
					%
					adjustability  
					±10%  
					400  
					Vdc  
					kHz  
					switching frequency  
					temperature coefficient  
					100% load, input voltage range  
					±0.02  
					%/°C  
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