gsc20 commercial ac input 90-264 vac, 47-63 hz single phase. input current maximum input current at minimum 120 vac, 60 hz with full rated output load is 0.6 a. hold-up time 15 ms minimum from loss of ac input at full load, nominal line (115 vac). output power normal continuous output power is 20 w, 24 w peak for 60 s maximum duration, 10% duty cycle. factory set to begin power limiting at approxi - mately 28 w. output regulation regulation from initial setpoint measured by changing load from 5% load to 50% load or 50% load to full load in either direction. initial setpoint tolerance is measured at 50% load. a minimum load of 5% of the output current is required to maintain proper regulation. overload protection fully protected against short circuit and output overload. short circuit pro - tection is cycling type power limit output noise 0.5% rms, 1% pk-pk, 20 mhz bandwidth, diferential mode. measured with scope probe directly across output terminals of the power supply with load terminated with 0.1 uf capacitor. transient response main output: 750 s typical response time for return to within 0.5% of fnal value for a 50% load step within the regulation limits of minimum and maximum load, ?l/?t <0.2 a/s maximum voltage deviation is 3.5%. startup/ shutdown overshoot less than 2%. overvoltage protection built in with fring point set per ratings table. ovp fring reduces voltage to less than 50% of nominal voltage in 50 ms. turn-on time less than 1 second at 115 vac, 25o c (inversely proportionate to input voltage and thermistor temperature. 20 watt global performance switchers ?findustrysfsmallestf20fwfswitcher ?fbusiness-cardfsizef(2.0fxf3.5fxf0.71) ?fapprovedftoful60950,fcsa-c22.2fno.f60950, f en60950,fiec60950fwithfcbfcertifcate ?femiffccfclassfb,fcispr22b ?fovervoltagefprotectionfstandard ?frohsfcompliantfmodelsfavailablef(gfsufx) global performance switchers all specifcations are typical at nominal input, full load at 25 o c unless otherwise stated summary: ffspecifications ?ffffffffmarkedftoflvd efciency 70% minimum at full rated load, nominal input voltage. efciency increases as output voltage increases. input protection internal ac fuse provided on all units. inrush current inrush is limited by internal thermistor. the inrush at 230 vac, averaged over the frst ac half-cycle under cold start conditions will not exceed 32 a. temperature coefcient 0.03%/c typical on all outputs. environmental designed for 0 to 50c operation at full rated output power; derate output current and total output power by 2.5% per c above 50c. see environmental specifca - tions on next page. emi/emc compliance all models include built-in emi fltering to meet the following emissions require - ments: emi specifications compliance level conducted emissions static discharge rf field susceptibility fast transients/bursts surge susceptibility en55022 class b; fcc class b en61000-4-2, 6 kv contact, 8 kv air en61000-4-3, 3 v/meter en61000-4-4, 2 kv, 5 kh en61000-4-5, 1 kv dif., 2 kv com. commercial safety condor d.c. power supplies, inc. declares under our sole responsibility that all gsc models are in conformity with the applicable requirements of en60950 following the provisions of the low voltage directive 73/23/eec. all gsc models are ap - proved to ul60950, csa-c22.2 no. 60950, en60950, iec60950 with cb certifcate.
sl power electronics, inc. 6050 king drive, bldg. a, ventura, ca 93003 usa. phone:(805) 486 4565 fax:(805) 487 8911 email: info@slpower.com. rev. 7/07. data sheet ? 2007 sl power electronics, inc. the information and specifcations contained in this data sheet are believed to be correct at time of publication. however, sl power accepts no responsibility for consequences arising from reproduction errors or inaccuracies. specifcations are subject to change without notice. gsc20fmechanicalfspecifications environmentalffspecifications operating non-operating temperature (a) see individual specs. -40 to +85c humidity (a) 0 to 95% rh 0 to 95% rh shock (b) 20 g pk 40 g pk altitude -500 to 10,000 ft -500 to 40,000 ft vibration (c) 1.5 g rms 0.003 g 2 /hz 5 g rms 0.026 g 2 /hz a. units should be allowed to warm up/operate under non-condensing conditions before application of power. b. random vibration10 to 2000hz, 6db/octave roll-of from 350 to 2000hz, 3 orthogonal axes. tested for 10 min./axis operating and 1 hr./axis non-operating. c. shock testinghalf-sinusoidal, 10 3 ms duration, direction, 3 orthogonal axes, total 6 shocks. commercial model output current load regulation initial setpoint tolerance ovp setpoint ripple and noise gsc20-5 5.1 v 3.8 a 0.75% 2.5% 6.2 0.6 v 1.4% GSC20-12 12 v 1.7 a 0.75% 2.5% 14 1.1 v 1% gsc20-15 15 v 1.4 a 0.75% 2.5% 18.5 1.5 v 1% gsc20-24 24 v 0.85 a 0.75% 2.5% 28 2.5 v 1% gsc20-28 28 v 0.7 a 0.75% 2.5% 34 2.8 v 1% * add g sufx to model number for rohs compliant model.
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