rev. page date description: switching power supply 1 of 5 01/2011 20050 sw 112 th ave. tualatin, oregon 97062 p h o n e phone 503.612.2300 f a x www.v-infinity.com fax 503.612.2383 part number: vf-s250-xxa features power factor correction power good signal short circuit protection over load protection over voltage protection over temperature protection providing peak power 600w within 500us duty duration approved to ul, cul, tuv, ce with cb scheme low leakage current 500ua @ 240vac 300ua @ 120vac preset output current ripple & noise 3, 4 model voltage output 1, 2 convection 5 16 cfm 5 regulation 3 (vpp) efficiency vf-s250-05a 5v 2 - 5.5 v 20 a 40 a +/- 1% 1% 75% vf-s250-09a 9v 6 - 10 v 13.5 a 25 a +/- 1% 1% 83% vf-s250-12a 12v 12 - 13.5 v 11.25 a 20.83 a +/- 1% 1% 80% vf-s250-15a 15v 13.6 - 15 v 9 a 16.67 a +/- 1% 1% 83% vf-s250-18a 18v 16 - 20 v 7.5 a 13.89 a +/- 1% 1% 83% vf-s250-24a 24v 21 - 26 v 5.63 a 10.42 a +/- 1% 1% 83% VF-S250-28A 28v 27 - 34 v 4.82 a 8.93 a +/- 1% 1% 83% vf-s250-36a 36v 35 - 42 v 3.75 a 6.93 a +/- 1% 1% 83% vf-s250-48a 48v 43 - 50 v 2.81 a 5.21 a +/- 1% 1% 83% vf-s250-54a 54v 51 - 60 v 2.5 a 4.63 a +/- 1% 1% 83% notes: 1 output is fully isolated. 2 output voltage is measured at output power connector. 3 1% minimum load is required to maintain the ripple and regulation. 4 ripple and noise is measured from 10 khz to 20 mhz at output terminals with a 0.1 f ceramic capacitor and a 22 f electrolytic capacitor in parallel. 5 maximum power must not exceed 135 w with convection cooling or 250 w for forced air. 5 and 9 v models maximum current listed . e210311 low leakage option: ?blank? = standard specification l = low leakage (contact factory) vf-s250- xx a- x x - cxx reserved for custom configurations 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 output voltage custom config key
rev. page date description: switching power supply 2 of 5 01/2011 20050 sw 112 th ave. tualatin, oregon 97062 p h o n e phone 503.612.2300 f a x www.v-infinity.com fax 503.612.2383 part number: vf-s250-xxa input parameter conditions/description min nom max units input frequency 47 63 hz input voltage 90-132 / 180-264 auto-selectable 90/180 132/264 vac input current at 110-120 vac 6a at 200-240 vac 3a inrush current peak measured at 115 vac at full load, cold start 35 a peak measured at 230 vacat full load, cold start 70 a power factor passive power correction meets en61000-3-2 class a output parameter conditions/description min nom max units 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%. overshoot turn-on and turn-off overshoot shall not exceed 5% over nominal voltage. turn on delay at 120 vac 1 second hold up time at 120 vac and 80% of rated maximim load 20 ms adjustability adjustable with built-in trim pot. 5% led display when green (led1) is on the power supply is operating normally. 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/300ma for external fan protection circuit parameter conditions/description input fuse built-in ac fuse. a blown fuse usually indicates permanent damage to the power supply serviceable by factory only. overload current limiting starts at 110-140% of the rated output current in foldback mode and recovers automatically. short circuit short circuit can be continuous. recovers automatically upon removal of short. output over-voltage output is protected agaist overvoltage. unit shuts down and latches when voltage at output terminals exceeds 130%. ac input needs to be reset to restart the power supply. over temp. power supply shuts down when temperature is in excess of 85 oc. auto recovery.
rev. page date description: switching power supply 3 of 5 01/2011 20050 sw 112 th ave. tualatin, oregon 97062 p h o n e phone 503.612.2300 f a x www.v-infinity.com fax 503.612.2383 part number: vf-s250-xxa general and safety parameter conditions/description min nom max units operating temp. 0 to 70oc ambient, de-rating at 2.5% per degree 0 50 oc from 50oc to 70oc. storage temp. -20 85 oc operating humid. non-condensing 5% 90% rh storage humid. non-condensing 5% 95% rh emi cispr 22/en55022 class b, en61000-3-2, 3, en61000-4-2, 3, 4, 5, 6, 8, 11, en55024 ce marked (lvd) safety ul60950-1, csa c22.2 no. 60950-1, tuv en60950-1 and cb leakage current regular type 1.5ma @ 240vac, (optional for 500ua @ 240vac 1.5 ma 300ua @ 120vac) vibration acceleration 7.35 m/(sxs), on x, y and z axis 5 50 hz fan drive 12 vdc/300ma is available to drive an external fan. isolation voltage applied for 3 seconds at 10 ma max. (hi-pot) primary to secondary: 3,000 v ac primary to transformer core: 1,500 v ac primary to earth chassis: 1,500 v ac grounding test allowable resistance measured when 25 a current is 0.1 applied from the ground pin of the three prong plug to the farthest earthed connection point. warranty standard warranty length 2 years mtbf according to mil-hdbk-217 at 30 oc 100,000 hours burn-in full load, at 45 5 oc, 230 vac. 1 hours remote on/off designated as rmsw on the cn1, requires a low signal to inhibit ouput. hiccough mode. mechanical parameter conditions/description min nom max units weight 400 grams enclosure 5(l) x 3.2(w) x 1.5(h) inches logic connector - (cn1) parameter conditions/description logic js b7b-xh-a suggested mating connector: jst xhp-3 or equivalent (chyao shiunn js-2001-03) pin assignments: 1. power good 2. remote switch 3. rtn
rev. page date description: switching power supply 4 of 5 01/2011 20050 sw 112 th ave. tualatin, oregon 97062 p h o n e phone 503.612.2300 f a x www.v-infinity.com fax 503.612.2383 part number: vf-s250-xxa fan driver connector - (fan) parameter conditions/description fan suggested mating connector: jst xhp-2 or equivalent (chyao shiunn js-2001-02) output connector - (cn2) parameter conditions/description output (option 1) molex part no. 26-48-1061 or similar (6 pin) output pin assignment, v+ (pins 1-3), v- (pins 4-6) suggested mating connector: molex part no. 09-91-0600 or equivalent (6) output (option 2) howder terminal block part no. hd-601-4p (4 pin, m3.5 screw) 6.35 mm spacing output pin assignment, v+ (pins 1-2), v- (pins 3-4) suggested mating connector: molex 19198-0045 or similar input connector - (cn3) parameter conditions/description ac input (option 1) molex part no. 26-48-1051 or similar (5 pin, 3 used). suggested mating plug: molex part no. 09-91-0500 or equivalent (5 pin, 3 used) ac input (option 2) howder terminal block part no. hd-601-3p (3 pin, m3.5 screw) 6.35 mm spacing suggested mating connector: molex 19198-0045 or similar
44.52 2.550 64.76 2.700 (2 plcs) 68.58 0.547 (2 plcs) 13.90 1.753 (2 plcs) 8.26 0.325 note: mounting hole max depth 2.30mm rev. description date a new drawing 6/26/2008 website: www.cui.com 0.3mm unless otherwise a specified tolerance: 20050 sw 112th ave. tualatin, or 97062 phone: 503-612-2300 800-275-4899 fax: 503-612-2383 rohs 1:2 switching power supply copyright 2008 by cui inc. title: mm [inches] vf-s250-xxa series vf-s250-xxa series pc file name: approved by: drawn by: units: part no. scale: zrj rev: 127.00 5.000 38.10 1.500 fan led p.g cn2 cn1 3pins 6.35mm center m3 screw terminal block 4pins 6.35mm center m3 screw terminal block (6 pins) 26-48-1061 molex part no. (5 pins, 3 used) 26-48-1051 fg neutral line vo+ vo- m3x0.5 (7 plcs) molex part no. mounting hole rtn rmsw cn3 81.28 3.200 6.35 0.250 0.250 6.35 2.000 50.80 19.05 0.750
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