For more information, please visit the product page. date 03/29/2013 page 1 of 5 SERIES: VF-D250-DXXA-CF │ DESCRIPTION: AC-DC POWER SUPPLY FEATURES • • • • • • • • • • • up to 250 W continuous power 600W peak power within 500 µS duty duration metal top cover and fan passive power correction dual outputs power good signal remote on/off control 3000 Vac isolation voltage over load, over voltage, over temperature, and short circuit protections UL, cUL, and TUV 60950-1 safety approvals efficiency up to 70% RoHS MODEL output voltage output current output1 power ripple and noise 2,3 efficiency (Vdc) max (A) max (W) max (mVp-p) typ (%) VF-D250-D312A-CF 3.3 12 24 12 200 50 120 70% VF-D250-D324A-CF 3.3 24 24 6 200 50 240 70% VF-D250-D512A-CF 5 12 24 12 200 50 120 70% VF-D250-D524A-CF 5 24 24 6 200 50 240 70% VF-D250-D548A-CF 5 48 24 3 200 50 480 70% VF-D250-D1224A-CF 12 24 12 6 250 120 240 70% Notes: 1. Maximum total combined power 2. 10% minimum load is required to maintain the ripple and regulation. 3. Ripple and noise is measured from 10 KHz to 20 MHz at output terminals with a 0.1 μF ceramic capacitor and a 22 μF electrolytic capacitor in parallel. PART NUMBER KEY VF - D250 - DXX A - CF- X X Base Number Output Voltage Low leakage option: “blank” = standard specification L = low leakage (contact factory) Input/Output connector: “blank” = Terminal block input / Terminal block output 1 = Molex input / Molex output 2 = Molex input / Terminal block output 3 = Terminal block input / Molex output cui.com For more information, please visit the product page. CUI Inc │ SERIES: VF-D250-DXXA-CF │ DESCRIPTION: AC-DC POWER SUPPLY date 03/29/2013 │ page 2 of 5 INPUT parameter conditions/description voltage 90-132/180-264 auto selectable min frequency max units 90/180 typ 132/264 Vac 47 63 Hz 6 3 A A 35 70 A A current at 110-120 Vac, cold start at 200-240 Vac, cold start inrush current at 115 Vac, full load, cold start at 230 Vac, full load, cold start power factor Compliant to EN61000-3-2 class A remote on/off Designated as RMSW on the CN1, requires a low signal to inhibit output. Hiccough mode. OUTPUT parameter conditions/description min line regulation low line to high line ±5 % load regulation all other outputs ±5 % 0.25 mV/°C temperature coefficient typ transient response Output voltage returns to within 1% in less than 2.5 mS for a 50% load change. Peak transient does not exceed 5%. start-up time At 120 Vac rise time hold-up time 0.2 At 120 VAC and 80% of rated maximim load max units 1 s 20 ms 20 ms adjustability ±5 power good Designated as PG on the CN1. This signal goes high 100-500 mS after the output reaches regulation. It goes low at least 1 mS before loss of regulation. fan drive 12 Vdc / 400 mA for external fan % PROTECTIONS parameter conditions/description over voltage protection AC input needs to be reset to restart the power supply. min typ over current protection Automatically recovers short circuit protection Short circuit can be continuous. Recovers automatically upon removal of short. over temp. protection Auto recovery. 110 max units 130 % 140 % 85 °C max units SAFETY & COMPLIANCE parameter conditions/description min isolation voltage Applied for 3 seconds at 10 mA max. Primary to secondary: Primary to transformer core: Primary to earth chassis: safety approvals UL60950-1, CSA C22.2 No. 60950-1, TUV EN60950-1 and CB EMI/EMC CISPR 22/EN55022 class B, EN61000-3-2, 3, EN61000-4-2, 3, 4, 5, 6, 8, 11, EN55024 CE marked (LVD) leakage current at 240 Vac at 120 Vac RoHS compliant yes MTBF According to MIL-HDBK-217 at 30 ºC typ 3,000 1,500 1,500 Vac Vac Vac 500 300 cui.com 100,000 μA μA hrs For more information, please visit the product page. CUI Inc │ SERIES: VF-D250-DXXA-CF │ DESCRIPTION: AC-DC POWER SUPPLY date 03/29/2013 │ page 3 of 5 ENVIRONMENTAL parameter conditions/description min operating temperature storage temperature operating humidity non-condensing storage humidity vibration max units 50 °C -20 85 °C 5% 90% % 5% 95% % 5 50 Hz 0 Acceleration ± 7.35 M/(SxS), on X, Y and Z Axis DERATING CURVES 80 60 50 40 20 -25 ≈ Load (%) 100 ≈ output power vs. ambient temperature 0 10 20 30 40 50 Ambient Temperature (°C) cui.com 60 70 typ For more information, please visit the product page. CUI Inc │ SERIES: VF-D250-DXXA-CF │ DESCRIPTION: AC-DC POWER SUPPLY date 03/29/2013 │ page 4 of 5 MECHANICAL DRAWING CN1 1 ground 2 ac neutral 3 ac line OUTPUT CN2 1 Vo2 2 RTN 3 RTN 4 RTN 5 RTN 6 Vo1 7 Vo1 8 Vo1 INPUT CN3 1 Power Good 2 remote switch 3 RTN Notes: 1. CN1 mates with molex part no. 09-91-0500 or equivalent and molex 2478, 2578, 8818 crimp pins. 2. CN2 mates with molex part no. 09-91-0800 and molex 2478, 2578, 8818 crimp pins. 3. CN3 mates with JST part no. XHP-3 or equivalent (CHYAO SHIUNN JS-2001-03) and JST SXH-002T-P0.6 mating pins 4. Fan drive connector mates with JST part no. XHP-2 or equivalent (CHYAO SHIUNN JS-2001-02). 5. Mounting hole max depth 2.30mm cui.com For more information, please visit the product page. CUI Inc │ SERIES: VF-D250-DXXA-CF │ DESCRIPTION: AC-DC POWER SUPPLY date 03/29/2013 │ page 5 of 5 REVISION HISTORY rev. description date 1.0 initial release 05/5/2009 1.01 new template applied 12/17/2011 1.02 V-Infinity branding removed 08/28/2012 1.03 updated spec 03/29/2013 The revision history provided is for informational purposes only and is believed to be accurate. Headquarters 20050 SW 112th Ave. Tualatin, OR 97062 800.275.4899 Fax 503.612.2383 cui.com [email protected] CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website. CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use. CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.