mpu-250f series single output 250w power factor corrected ac/dc power supplies input parameter conditions min. typ. max. units input voltage range autoranging 90 132 vac 180 264 input frequency 47 63 hz input current, full load 110 vac 6 a 220 vac 3 inrush current, cold start 110 vac 35 a 220 vac 70 leakage current 264 vac 1.0 ma power factor correction meets en 61000-3-2 class a input protection t8a/250v fuse output parameter conditions min. typ. max. units output voltage adjustment by trim pot 5.0 % output regulation, see note 1 1.0 % hold time 110 vac, 80% load 20 msec ripple & noise (20 mhz) see note 2 see model selection guide overload protection autorecovery 110 140 % over voltage protection >130% of rated output voltage. recycle ac input. over temperature protection autorecovery +110 oc temperature coef? cient 0.04 %/oc transient recovery time, see note 4 50% load change 2.5 ms transient response deviation 5 % overshoot/undershoot at turn on/off 5.0 % turn on delay 230 vac 1 s output short circuit continuous with autorecovery general parameter conditions min. typ. max. units isolation voltage, see note 5 input - output 3,000 vac input - fg (frame ground) 1,500 primary - core 1,500 switching frequency fixed 25 khz interface signals power supply on green led on the pcb power good signal goes ttl high 100 to 500 ms after regulation. goes low at least 1 ms before the loss of regulation. remote on/off a ttl low signal inhibits the output. hiccup mode. environmental parameter conditions min. typ. max. units operating temperature range ambient 0 +25 +70 oc output derating 2.5%/ oc from +50 oc to + 70 oc storage temperature range -20 +85 oc cooling see model selection guide operating humidity rh, non-condensing 90 % reliability speci cations parameter conditions min. typ. max. units mtbf mil hdbk 217f, 30oc, gnd benign 100 khours safety standards ul 60950, en 60950 emi compliance compliance to en 55022 (cispr22) class b; en 61000-3-2,3 ems immunity compliance en 61000-4-2,3,4,5,6,11; en 55024; ce marked (lvd) vibration sinusoidal 5~50 hz, acceleration 7.35 m/s 2 on x, y & z axis electrical speci cations speci cations typical @ +25?, nominal input voltage & rated output current, unless otherwise noted. speci cations subject to change without notice. key features: ? small 250w supply ? pfc to en 61000-3-2 ?a? ? en 60950 approved (ul) ? ce certi? ed ? fcc class b emissions ? universal ac input ? internal fan ? small 5? x 3.2? x 1.5? size www.micropowerdirect.com micropower direct 292 page street suite d stoughton, ma 02072 usa t: (781) 344-8226 f: (781) 344-8481 e: sales@micropowerdirect.com w: www.micropowerdirect.com
model selection guide mechanical dimensions model number output voltage (vdc) output current (max. a) ripple & noise (% p-p) ef ciency (%) preset range mpu-250s-12yf 12 vdc 11.0 - 13.8 20.83 1% 80% mpu-250s-15yf 15 vdc 14.0 - 15.5 16.66 1% 80% mpu-250s-24yf 24 vdc 21.0 - 26.0 10.42 1% 80% mpu-250s-48yf 48 vdc 44.0 - 52.0 5.21 1% 80% notes: 1. output regulation includes line & load. 2. ripple & noise is measured from 10 hz to 20 mhz. connection to the unit is made with 0.1 ? ceramic & 22 ? electrolytic capacitors connected in parallel. 3. transient recovery is measured to within a 1% error band for a load step change of 50% to 100%. 4. isolation speci cations are production hi-pot tested for 3 seconds. 5. the full output range (see table) is covered in the safety agency certi cation. standard models are factory set to the ?reset voltage. this may be set to other levels within the range without affecting the agency certi cation. for more information, contact the factory. 6. output power is given for the factory preset voltage. the maximum continuous output power level is 300w. all models provide a peak power level of 600w for a maximum duration of 500 s. for more information, contact the factory. 7. each unit includes an input fuse (250v/8a). since this fuse is not eld replaceable, it is recommended that an external fus e of the same size be used on the input of the power supply for protection. micropower direct we power your success - for less! 292 page street ste d stoughton, ma 02072 ? tel: (781) 344-8226 ? fax: (781) 344-8481 ? e-mail: sales@micropowerdirect.com connections notes: all dimensions are typical in inches (mm) tolerance x.xx = 0.02 ( 0.50) www.micropowerdirect.com model number models with other output voltage levels are available (i.e. 5 vdc, 30 vdc, etc) contact the factory for details at: sales@micropowerdirect.com i nput connector (cn1): terminal block: howder hd-601-3p 3 pins, 6.35 mm centers molex mating part no: molex 09-91-0500 or equivalent (two pins removed) pin function 1 ac-line 2 ac-neutral 3 field ground output connector (cn2): terminal block: howder hd-601-4p 4 pins, 6.35 mm centers molex mating part no: molex 09-91-0600 or equivalent pin molex pin howder 1+v out 1+v out 2+v out 2+v out 3+v out 3-v out 4-v out 4-v out 5-v out 6-v out logic signal connector (cn3): mating part no: jst xhp-3 or equivalent (chyao shiunn js-2001-03) mating pins: jst sxh-002t-po.6 for awg 30 to 26 pin function 1 power good 2 remote on/off 3 common
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