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VFB400W-Q24-S48 Datasheet(PDF) 2 Page - CUI INC |
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VFB400W-Q24-S48 Datasheet(HTML) 2 Page - CUI INC |
2 / 10 page cui.com CUI Inc │ SERIES: VFB400W │ DESCRIPTION: DC-DC CONVERTER date 01/30/2014 │ page 2 of 10 INPUT parameter conditions/description min typ max units operating input voltage 24 Vdc input models 48 Vdc input models 9 18 24 48 36 75 Vdc Vdc under voltage shutdown 24 Vdc input power up power down 8.5 7.5 Vdc Vdc 48 Vdc input power up power down 17 15 Vdc Vdc over voltage shutdown 24 Vdc input power up power down 40 42 Vdc Vdc 48 Vdc input power up power down 80 83 Vdc Vdc start-up time 250 ms CTRL positive logic models ON (0~0.01 mA) models OFF (1.0~10 mA) negative logic models ON (1.0~10 mA) models OFF (0~0.01 mA) filter pifilter input fuse 80A time delay fuse for 24 Vin models, 40A time delay fuse for 48 Vin models OUTPUT parameter conditions/description min typ max units output capacitance1 5V output models 12V output models 24V and 28V output models 48V output models 680 330 330 100 10,000 10,000 4,700 2,200 μF μF μF μF line regulation1 from low line to high line ±0.2 % load regulation1 from full load to no load ±0.5 % voltage accuracy1 ±1.5 % load share accuracy2 from 50~100% load ±10 % adjustability 80 110 % switchingfrequency 230 KHz transient response 25% load step change 500 μs temperaturecoefficient ±0.03 %/°C power good (IOC) Vout ready: low level, sink current Vout not ready: open drain output, applied voltage 20 50 mA V auxiliary output voltage/current 10 ±3 Vdc, 20 mA max. Note: 1.Minimumcapacitorvaluesarerequiredontheoutputtomaintainthespecifiedregulation. 2. Excludes 5 Vdc output models. PROTECTIONS parameter conditions/description min typ max units short circuit protection continuous over current protection 110 150 % over voltage protection 115 140 % over temperature protection shutdown 110 °C For more information, please visit the product page. |
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