36 1-800-526-2324 ? www.us.tdk-lambda.com/lp/ disclaimer: us.tdk-lambda.com/lp/legal.htm CUS250LD series features u high ef? ciency, up to 90% u 1.18 high u wide range ac input u convection cooled u three year warranty single output 250w low pro? le power supplies notes: (1) 115 / 230vac input (2) cycle ac to reset (3) see derating curves on page 2. css250ld-3 derates linearly to 80% load from 115vac to 85vac input model CUS250LD ac input voltage (300vac for 5s) vac 85 - 265vac input frequency hz 47 - 63hz dc input voltage vdc 120 - 370vdc (no safety certi? cation) inrush current (cold start) a 20a at 115vac, 40a at 230vac power factor - meets en61000-3-2 (typical pf 0.98/0.95)(1) input current (115/230vac) a 2.8 / 1.4 temperature coef? cient - <0.02%/c (0 - 50c) overcurrent protection - > 105% overvoltage protection (2) v 3.3v: 4 - 5.25v, 4v: 5 - 6.5v, 5v: 5.75 - 7.5v, 12v: 13.8 - 16.2v, 24v: 27.6 - 32.4v hold up time ms 20ms leakage current (240vac 60hz) ma <0.75ma remote sense - no led indicator - green led = on operating temperature (3) c -25 to +70c. derate 50% load from +40 to +70c storage temperature c -30 to +75c operating humidity (non condensing) % 30 - 90% rh storage humidity (non condensing) % 10 - 90% rh cooling - convection withstand voltage - input to ground 2kvac, input to output 3kvac, output to ground 500vac for 1 min. isolation resistance - >100m at 25c & 70%rh, output to ground 500vdc vibration (non operating) - 10 - 55hz: 19.6m/s 2 constant sweep 1 min x, y, z for 1 hour shock - < 196.1 m/s 2 (20g) immunity - iec61000-4-2 (lv 2, 3), -3 (lv3), -4 (lv 3), -5 (lv3, 4), -6 (lv 3), -8 (lv 4), -11 safety agency certi? cations - ul60950-1, csa60950-1-07 (ctuvus), en60950-1, en50178, ce mark conducted & radiated emi - en55022-b, fcc--b weight (typ) g 700 size (lxwxh) in 7.8 x 4 x 1.18 warranty yrs three years speci? cations key market segments & applications
37 1-800-526-2324 ? www.us.tdk-lambda.com/lp/ revision a2: jan 2013 CUS250LD series for additional information, please visit us.tdk-lambda.com/lp/products/cus-series.htm derating curve outline drawing ls25 - 200 25w to 200w low cost hws15 - 1800 15w to 1800w limited lifetime warranty sws300 - 1000 300w to 1000w single output gws250-500 250w to 500w css500 360w to 500w medical similar products adjust max max load line ripple range current power reg reg noise ef? ciency model voltage (v) (a) (w) (mv) (mv) (mv) (typ) % (1) CUS250LD-3 3.3v 2.97 - 3.63 50 165 40 20 120 86 / 88 CUS250LD-4 4.2v 3.78 - 4.62 50 210 40 20 120 87 / 89 CUS250LD-5 5v 4.5 - 5.5 50 250 40 20 120 88 / 90 CUS250LD-12 12v 10.8 - 13.2 21 252 96 48 120 88 / 90 CUS250LD-24 24v 21.6 - 26.4 10.5 252 192 96 150 88 / 90 model selector
mouser electronics authorized distributor click to view pricing, inventory, delivery & lifecycle information: tdk-lambda: ? CUS250LD-3? CUS250LD-4? CUS250LD-5? CUS250LD-24? CUS250LD-12
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