MPA300L series input parameter conditions min. typ. max. units input voltage range universal 90 264 vac input frequency 47 63 hz input current, full load 90 - 264 vac 8 a inrush current, cold start 110 vac 17.5 a 220 vac 35 leakage current (note 1) 240 vac 1.5 ma power factor correction active, meets en61000-3-2 class d input protection t8a/250v fuse output parameter conditions min. typ. max. units output voltage adjustment by trim pot 5.0 % output regulation (note 2) 1.0 % hold time 80% load 20 msec ripple & noise (20 mhz) (note 3) see model selection guide overload protection hiccup mode 110 140 % over voltage protection >130% of rated output voltage. recycle ac input. over temperature protection >+85oc ambient with autorecovery temperature coef? cient 0.04 %/oc transient recovery time (note 4) 50% load change 2.5 ms transient response deviation 5 % overshoot/undershoot at turn on/off 5.0 % turn on delay 120 vac 1 s output short circuit continuous with autorecovery general parameter conditions min. typ. max. units isolation voltage input - output 3,000 vac input - fg (frame ground) 1,500 primary - core 1,500 switching frequency fixed 23 khz interface signals power supply on bi-color led on the pcb, green for power on, orange when protection is enabled or the the unit is inhibited (see remote 0n/0ff) power good signal pg on cn3. goes ttl high 100 to 500 ms after regulation. goes low at least 1 ms before the loss of regulation. will sink 100 ma. remote sense v1s + and v1s- on cn3. compensates for up to a 0.5v line drop. (not on models with current share option) remote on/off inh on cn3. a ttl low signal inhibits the output environmental parameter conditions min. typ. max. units operating temperature range ambient 0 +25 +50 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 % vibration, 5 ~ 50 hz acceleration of 7.35 m/(s x s) on x, y and z axis reliability speci cations parameter conditions min. typ. max. units mtbf mil hdbk 217f, 30oc, gnd benign 100 khours safety standards ul 60950; csa c22.2 no. 60950; tuv en60950; cb report (iec 60950) emi compliance compliance to en55022 (cispr22) class b; en61000-3-2,3 ems immunity compliance en6100-4-2,3,4,5,6,8,11; en55024,; ce marked (lvd) electrical speci cations speci cations typical @ +25?, nominal input voltage & rated output current, unless otherwise noted. speci cations subject to change without notice. to change without notice. i h i new industrial power!! key features: ? 300w output power ? universal 90-264v ac input ? pfc to en61000-3-2 ?d? ? ul, cul, tuv approvals ? ce certi? ed ? fcc class b emissions ? 12v to 55v outputs ? remote sense /remote on/off ? three mechanical options low pro le 300w single output power factor corrected ac/dc power supplies 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: u-chassis (u suf x) micropower direct www.micropowerdirect.com 292 page street ste d stoughton, ma 02072 ? tel: (781) 344-8226 ? fax: (781) 344-8481 ? e-mail: sales@micropowerdirect.com model number output voltage output current (notes 6, 7, 8) ripple & noise ef? ciency (note 7) factory preset range (note 5) ( ?u? units) max. with 22 cfm min ?e? units int. fan MPA300Lx-12zz 12 vdc 12.0 - 15.0 vdc 25.00a 0.0a 25.00a 1% p-p 80% MPA300Lx-18zz 18 vdc 16.0 - 21.0 vdc 18.75a 0.0a 18.75a 1% p-p 80% MPA300Lx-24zz 24 vdc 22.0 - 30.0 vdc 13.64a 0.0a 13.64a 1% p-p 80% MPA300Lx-36zz 36 vdc 31.0 - 41.0 vdc 9.68a 0.0a 9.68a 1% p-p 80% MPA300Lx-48zz 48 vdc 42.0 - 55.0 vdc 7.15a 0.0a 7.15a 1% p-p 80% notes: 1. models are available with leakage current speci ed as low as 750 ?. contact the factory for details. 2. output regulation includes line & load. 3. ripple & noise is measured from 10 hz to 20 mhz. measurement connection to the unit is made with a 0.1 ? ceramic capacitor & a 22 ? electrolytic capacitor con- nected in parallel. 4. transient recovery is measured to within a 1% error band for a load step change of 50% to 100%. 5. the full output range (see table above) is covered in the safety agency certi cation. stan- dard models are factory set to the ?reset voltage. this may be set to other levels within the range without affecting the agency certi cation. contact the factory for details. 6. a minimum 1% load is required to maintain load regulation and ripple speci cations. 7. output current is given for the factory preset voltage. for more information, contact the factory. 8. units will provide peak power of 900w for 500 ?. for units capable of longer durations, contact the factory. u-chassis cover (c suf x) enclosure with fan (e suf x) input connector cn1: u-chassis (u,a) howder terminal block no. hi-201-39 (3-pin), 9.5 mm center or mating molex part no. 09-91-0500 (5 pin, 3 used) or equivalent. enclosed with fan (e) dinkle terminal block no. dt-35-a02w-3 (3-pin). output connector cn2: howder terminal block no. hd-121-6p (6-pin) or mating molex part no. 09-91-2000 (14 pin) or equivalent. output pin assignment: howder molex pins 1 ~ 3: v+ pins 1 ~ 7: v+ pins 4 ~ 6: v- pins 8 ~ 14: v- logic signal connector cn3: mating jst xhp-5 or equivalent (chyao shi- unn js-2001-05). fan driver connector (fan): 12 vdc / 400 ma is available to drive an external fan. mating jst xhp-2 or equivalent (chyao shiunn js-2001-02).
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