VOF-280-12

Additional Resources: Product Page date 11/03/2020 page 1 of 6 U ED SERIES: VOF-280 Ϳ DESCRIPTION: AC-DC POWER SUPPLY FEATURES output voltage output power1 ripple and noise2 HϒFLHQF\3 max (A) max (W) max (mVp-p) W\S (%) 23.33 280 120 88 18.67 280 150 90 11.67 280 240 90 36 7.78 280 360 90 48 5.84 280 480 91 (Vdc) 12 VOF-280-15 15 VOF-280-24 24 N VOF-280-12 output current TI MODEL N • up to 280 W continuous power • universal input voltage range • industry standard 3” x 5” footprint • power factor correction • low no load power consumption • over voltage, over current, and short circuit protections • output trim ‡8/F8/DQG789VDIHW\DSSURYDOV • efficiency up to 91% VOF-280-36 VOF-280-48 CO Notes: 1. Maximum output power of 280 W with forced air cooling (34.2 CFM), 168 W with convection cooling. $WIXOOORDGQRPLQDOLQSXW0+]EDQGZLGWKRVFLOORVFRSHXVLQJD´WZLVWHGSDLUZLUHWHUPLQDWHGWRJHWKHUZLWKDNj)DQGNj)FDSDFLWRU 3. At full load, 230 Vac input, without external fan. $OOVSHFL¿FDWLRQVDUHPHDVXUHGDW7D ƒ&9DFLQSXWYROWDJHDQGUDWHGRXWSXWORDGXQOHVVRWKHUZLVHVSHFL¿HG D IS PART NUMBER KEY VOF-280 - XX Output Voltage Base Number cui.com Additional Resources: Product Page CUI Inc Ϳ SERIES: VOF-280 Ϳ DESCRIPTION: AC-DC POWER SUPPLY date 11/03/2020 Ϳ page 2 of 6 INPUT parameter conditions/description min voltage W\S 90 units 277 Vac 63 Hz 47 current at 115 Vac, full load at 230 Vac, full load inrush current at 230 Vac, cold start leakage current at 264 Vac power factor correction at 115 Vac, full load at 230 Vac, full load no load power consumption at 230 Vac input fuse 6.3 A / 250 V time delay fuse (included) 3.5 1.7 conditions/description line regulation from 100%~10% load transient response 1 kHz, 90%~10% load VOF-280-12 VOF-280-15 VOF-280-24 VOF-280-36 VOF-280-48 start-up delay time at 115 Vac at 230 Vac start-up rise time at 115/230 Vac hold-up time at 115/230 Vac adjustability built in trim pot N TI load regulation min swithching frequency DWaƒ& fan output 12 Vdc / 300 mA CO WHPSHUDWXUHFRHϒFLHQW W\S 80 A 3.5 mA 0.5 W max units ±3 % ±0.5 % ±1 % 1,200 1,500 2,400 3,600 4,800 mVp-p mVp-p mVp-p mVp-p mVp-p 3 2.5 s s 60 ms N parameter A A U 0.98 0.95 OUTPUT initial set point accuracy ED frequency max 10 ms ±5 75 % 400 ±0.03 kHz ƒ& PROTECTIONS parameter conditions/description min latch mode VOF-280-12 VOF-280-15 VOF-280-24 VOF-280-36 VOF-280-48 13.8 16.5 26.5 38.5 55 over current protection hiccup, auto recovery 110 short circuit protection latch IS over voltage protection W\S max units 15.8 19.5 31.5 43.5 62 Vdc Vdc Vdc Vdc Vdc % SAFETY & COMPLIANCE conditions/description isolation voltage input to output input to ground output to ground safety approvals UL 60950-1, EN 60950-1, IEC 60950-1 D parameter min W\S 3,000 1,500 500 cui.com max units Vac Vac Vac Additional Resources: Product Page CUI Inc Ϳ SERIES: VOF-280 Ϳ DESCRIPTION: AC-DC POWER SUPPLY date 11/03/2020 Ϳ page 3 of 6 SAFETY & COMPLIANCE (CONTINUED) conditions/description EMI/EMC1 EN 55022: 2010 Class B, EN 61204-3:2000, EN 61000-6-3: 2007 +A1: 2011, EN 61000-3-2: 2006 +A2: 2009, EN 61000-3-3: 2008, EN 55024: 2010, EN 61000-6-1: 2007, ENV 50204: 1995, CE, FCC class class I 07%) as per MIL-HDBK-217F RoHS 2011/65/EU 1RWHV min 250,000 max units hours 7KHSRZHUVXSSO\LVFRQVLGHUHGDFRPSRQHQWZKLFKZLOOEHLQVWDOOHGLQWR¿QDOHTXLSPHQW7KH¿QDOHTXLSPHQWVWLOOPXVWEHWHVWHGWRPHHWWKHQHFHVVDU\(0&GLUHFWLYHV parameter conditions/description operating temperature see derating curves U ENVIRONMENTAL min non-condensing storage humidity non-condensing N -40 operating humidity 20 20 operating altitude DERATING CURVES with FAN 34.2 CFM 80 40 20 -20 without FAN CO 50 0 10 20 30 40 50 units 70 ƒ& 85 ƒ& 90 % 90 % 5000 m 2 G 60 Ta=25°C 100 90 Load (%) 100 max Temperature Derating Curve Load vs. Input Voltage N Temperature Derating Curve Load vs. Temperature TI 10~3000Hz, 10 minutes per cycle, for 1 hour along each of the X, Y, and Z axes vibration & shock 60 W\S -20 storage temperature Load (%) W\S ED parameter 80 60 40 20 90 70 Ambient Temperature (°C) 100 110 D IS Input Voltage (Vac) cui.com 120 277 Additional Resources: Product Page CUI Inc Ϳ SERIES: VOF-280 Ϳ DESCRIPTION: AC-DC POWER SUPPLY date 11/03/2020 Ϳ page 4 of 6 EFFICIENCY CURVES 95 95 93 93 91 91 89 89 87 85 83 79 20 30 40 50 60 70 80 Load Current (%) 230 Vac 90 100 10 20 30 40 50 60 70 80 Load Current (%) 90 100 92)(ϒFLHQF\&XUYH (ϒFLHQF\YV/RDG&XUUHQWDW9DF TI 93 91 87 N 85 83 81 79 20 30 40 50 60 70 80 Load Current (%) 90 95 93 91 89 87 85 D 83 81 230 Vac 77 10 20 30 40 50 60 70 80 Load Current (%) 90 87 85 83 81 230 Vac 79 75 100 92)(ϒFLHQF\&XUYH (ϒFLHQF\YV/RDG&XUUHQWDW9DF 79 89 77 IS C 10 O 230 Vac 77 Efficiency (%) 91 89 75 75 95 93 Efficiency (%) 81 N 10 95 Efficiency (%) 83 77 92)(ϒFLHQF\&XUYH (ϒFLHQF\YV/RDG&XUUHQWDW9DF 75 85 79 230 Vac 77 75 87 U 81 ED 92)(ϒFLHQF\&XUYH (ϒFLHQF\YV/RDG&XUUHQWDW9DF Efficiency (%) Efficiency (%) 92)(ϒFLHQF\&XUYH (ϒFLHQF\YV/RDG&XUUHQWDW9DF 100 cui.com 10 20 30 40 50 60 70 80 Load Current (%) 90 100 Additional Resources: Product Page CUI Inc Ϳ SERIES: VOF-280 Ϳ DESCRIPTION: AC-DC POWER SUPPLY date 11/03/2020 Ϳ page 5 of 6 MECHANICAL parameter conditions/description dimensions 127 x 76.2 x 39.6 min external fan AC input CN1 mates with Molex 09-50-7031 housing with Molex 2478 series crimp contact or equivalent DC output CN2 mates with Molex 09-50-7101 housing with Molex 2478 series crimp contact or equivalent Auxiliary (Fan) output )DQPDWHVZLWK-67;+3KRXVLQJZLWK-67 6;+73FRQWDFWRUHTXLYDOHQW N units: mm [inch] tolerance: ±0.3 mm FAN Function 1 L 2 13 3 N CN2 Function 1 +Vo 2 +Vo 3 +Vo 4 +Vo 9 10 CO 3,1 N 3,1 TI CN1 8 kg U MECHANICAL DRAWING 7 units ED 0.36 cooling 6 max mm weight 5 W\S +Vo -Vo -Vo -Vo -Vo -Vo IS CN3 (FAN) Function 1 +FAN 2 -FAN D 3,1 cui.com 1 2 CN3 FAN CONNECTOR Additional Resources: Product Page CUI Inc Ϳ SERIES: VOF-280 Ϳ DESCRIPTION: AC-DC POWER SUPPLY date 11/03/2020 Ϳ page 6 of 6 REVISION HISTORY description date 1.0 initial release 1.01 DGGHGHϒFLHQF\FXUYHV 1.02 company logo updated U ED rev. 06/27/2016 09/27/2016 11/03/2020 D IS CO N TI N 7KHUHYLVLRQKLVWRU\SURYLGHGLVIRULQIRUPDWLRQDOSXUSRVHVRQO\DQGLVEHOLHYHGWREHDFFXUDWH Headquarters 20050 SW 112th Ave. 7XDODWLQ25 800.275.4899 Fax 503.612.2383 cui.com techsupport@cui.com &8,RϑHUVDWZR\HDUOLPLWHGZDUUDQW\&RPSOHWHZDUUDQW\LQIRUPDWLRQLVOLVWHGRQRXUZHEVLWH 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 OLIHVXSSRUWGHYLFHRUV\VWHPZKRVHIDLOXUHWRSHUIRUPFDQEHUHDVRQDEO\H[SHFWHGWRFDXVHWKHIDLOXUHRIWKHOLIHVXSSRUWGHYLFHRUV\VWHPRUWRDϑHFWLWVVDIHW\RUHϑHFWLYHQHVV