mpu-400f series 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 400w supply ? pfc to en 61000-3-2 ?d? ? en 60950 approved (ul) ? ce certi? ed ? fcc class b emissions ? universal ac input ? compact case w/top fan single output 400w power factor corrected ac/dc power supplies 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 input parameter conditions min. typ. max. units input voltage range universal 90 264 vac input frequency 47 63 hz input current, full load 90 vac 6 a 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 d 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 120 vac, 80% load 20 msec ripple & noise (20 mhz), see note 2 see model selection guide overload protection foldback circuit, 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 120 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 23 khz interface signals power supply on green led on the pcb fan fail an open collector output rated for 15v/5 ma sink current maximum. goes high if a fan failure is detected power good signal 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 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 6100-4-2,3,4,5,6,11; en 55024; ce marked (lvd) vibration sinusoidal 5~50 hz, acceleration 7.35 m/s 2 on x, y & z axis
model selection guide mechanical dimensions 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 a 0.1 ? ceramic capacitor & a 22 ? electrolytic capacitor connected in parallel. 3. a 1% minimum load is required to maintain regulation & ripple speci ca- tions. 4. transient recovery is measured to within a 1% error band for a load step of 50% to 100%. 5. isolation speci cations are production hi-pot tested for 3 seconds. 6. the full output range (see table) is covered in the safety agency certi ca- tion. standard models are factory set to the preset voltage, but may be set to other levels within the range without affecting the agency certi cation. for more information, contact the factory. 7. output power is given for the factory preset voltage. all models provide a peak power level of 700w for a maximum duration of 500 s. for more information, contact the factory. 8. each unit includes an input fuse (t8a/250v). since this fuse is not eld replaceable, it is recommended that an external fuse 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 notes: all dimensions are typical in inches (mm) tolerance x.xx = 0.02 ( 0.50) connections i nput/output connector (cn1): terminal block: howder no. hb-95-7p 7 pins, m3.5 screw, 9.5 mm centers jst mating part no: vhr5n or equivalent (two pins removed) vhr10n crimp terminals: svh41t-p1.1 pin t block pin jst 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 field grnd 5 +v out 6 ac-neutral 6 -v out 7 ac-line 7 -v out 8-v out 9-v out 10 -v out 1 field grnd 3 ac-neutral 5 ac-line logic signal connector (cn2): jst mating part no: xhp-4 or equivalent mating pins: jst sxh-002t-po.6 for awg 30 to 26 pin function 1 remote on/off 2 fan fail 3 common 4 power good fan driver connector (cn3): jstmating part no: jst xhp-2 or equivalent mating pins: jst sxh-002t-po.6 pin function 1 plus 2 minus www.micropowerdirect.com models with other output voltage levels are available (i.e. 15 vdc, 36 vdc, etc) contact the factory for details at: sales@micropowerdirect.com model number model number output voltage (vdc) output current (max a) max. output power (w) ripple & noise (% p-p) ef ciency (%) preset range mpu-320s-12 yf 12 vdc 10.0 - 13.8 33.33 400 1% 85% mpu-320s-24 yf 24 vdc 21.0 - 26.0 16.67 400 1% 85% mpu-320s-48 yf 48 vdc 43.0 - 50.0 8.33 400 1% 85%
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