the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. d_s - 2w a/4 - 2012 page 1 of 2 d_s-2w series 2w, fixed input isolated & unregulated twin output dc-dc converter rohs features product program input output voltage (vdc) current (ma) part number nominal range voltage (vdc) max min efficiency (%, typ) certificate d050505s-2w 5 200 20 80 ul d050909s-2w 9 111 12 82 ul d051212s-2w 12 83 9 82 ul d051515s-2w 5 4.5-5.5 15 67 7 83 ul d120505s-2w 5 200 20 80 ul d120909s-2w 9 111 12 83 ul d121212s-2w 12 83 9 85 ul d121515s-2w 12 10.8-13.2 15 67 7 83 ul D240505S-2W 5 200 20 81 ul d240909s-2w 9 111 12 82 ul d241212s-2w 12 83 9 84 ul d241515s-2w 24 21.6-26.4 15 67 7 84 ul common specifications item test conditions min typ max units storage humidity 95 % operating temperature -40 85 storage temperature -55 125 temp. rise at full load 15 25 lead temperature 1.5mm from case for 10 seconds 300 c short circuit protection* 1 s cooling free air convection case material plastic (ul94-v0) mtbf 3500 k hours weight 2.8 g *supply voltage must be discontinued at the end of short circuit duration. isolation specifications item test conditions min typ max units tested for 1 minute and 1ma max(vin/vout) 1000 isolation voltage tested for 1 minute and 1ma max(vo1/vo2) 1000 vdc test at 500vdc (vin/vout) 1000 isolation resistance test at 500vdc (vo1/vo2) 1000 m (vin/vout) 90 isolation capacitance (vo1/vo2) 90 pf high efficiency up to 85% sip package 1kvdc isolation temperature range: -40 c to +85 c no heat sink required no external component required internal smd construction industry standard pinout rohs compliance applications the d_s-2w series are specially designed for applications where a group of polar power supplies are isolated from the input power supply in a distributed power s upply system on a circuit board. these products apply to: 1) where the voltage of the input power supply is fixed (voltage variation 10%); 2) where isolation is necessary between input and output (isolation voltage 1000vdc); 3) where the regulation of the ou tput voltage and the output ripple noise are not demanding. such as: purely digital circuits, ordinary low frequency analog circuits, and igbt power device driving circuits. model selection d050505s-2w product series input voltage the 1st output voltage package style rated power the 2nd output voltage mornsun science & technology co.,ltd. address: no. 5, kehui st. 1, kehui development center, science ave., guangzhou science city, luogang district, guangzhou,p.r.china. tel: 86-20-38601850 fax:86-20-38601272 http://www.mornsun-power.com
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. d_s - 2w a/4 - 2012 page 2 of 2 output specifications application note item test conditions min typ max units line regulation for vin change of 1% 1.2 10% to 100% load(5v output) 12.8 15 10% to 100% load(9v output) 8.3 10 10% to 100% load(12v output) 6.8 10 load regulation 10% to 100% load(15v output) 6.3 10 % output voltage accuracy see tolerance envelope graph temperature drift 100% full load 0.03 %/ c output ripple& noise* 20mhz bandwidth 100 150 mvp-p switching frequency full load, nominal input 70 khz *test ripple and noise by parallel cable method. see detailed operation instructions at testing of power converter section, application notes. note: 1. all specifications measured at ta=25 c , humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2. see below recommended circuits for more details. 3. operation under minimum load will not damage the converter; however, they may not meet all specification listed, and that will reduce the life of product typical characteristics operating temp.(c) o outline dimensions & pin connections 1 2 4 5 6 7 vin gnd 0v1 +vo1 0v2 +vo2 4 pin function footprint details note: unit:mm[inch] pin section tolerances: 0.10mm[ 0.004inch] general tolerances: 0.50mm[ 0.020inch] mechanical dimensions recommended footprint tube outline dimensions note: unit :mm[inch] general tolerances: 0.50mm[ 0.020inch] l=530mm[20.866inch] devices per tube quantity : 25pcs l=220mm[8.661inch] devices per tube quantity: 10pcs (bottom view) (front view) shorttubeinnerpackagingdimensions: l*w*h=255*170*80mm; shorttubeouterpackaging dimensions (withsixinnerpackagingboxes): l*w*h=375*280*270mm; long tubeinnerpackagingdimensions: l*w*h=580*200*100mm; long tubeouterpackagingdimensions(withtwoinnerpackagingboxes) l*w*h=600*215*220mm; long tubeouterpackagingdimensions(with threeinnerpackagingboxes) l*w*h=600*215*325mm. notegrid 2.54*2.54mm : . ? 1.00 [0.039] 1 2 5 6 7 9.60 [0.378] 1 2 . 4 0 [ 0 . 4 8 8 ] 1 6 . 9 0 [ 0 . 6 6 5 ] 4.90 [0.193] 12 5 7 6 19.60 [0.772] 1 0 . 0 0 [ 0 . 3 9 4 ] 4 . 1 0 [ 0 . 1 6 1 ] 0 . 5 0 [ 0 . 0 2 0 ] 0.50 [0.020] 0 . 9 0 [ 0 . 0 3 5 ] 0 . 3 0 [ 0 . 0 1 2 ] 15.24 [0.600] 2.54 [0.100] 7 . 0 0 [ 0 . 2 7 6 ] 4 requirement on output load to ensure this module can operate effi ciently and reliably, a minimum load is specified for this kind of dc/dc converter in addition to a maximum load (namely full load). during operation, make sure the specified range of input voltage is not exceeded, the minimum output load could not be less than 10% of the full load . if the actual output power is very small, please connect a resistor with proper resistance at the output end in parallel to increase the load, or use our company s products with a lower rated output power. overload protection u nder normal operating conditions, the output circuit of these products has no protection against over-current and short- circuits. the simplest method is to connect a self- recovery fuse in series at the input end or add a circuit breaker to the circuit. recommended and testing circuit if you want to further decrease the input/output ripple, an lc filtering network may be connected to the input and output ends of the dc/dc converter, see (figure 1). vin gnd +vo1 0 v1 dc cin l dc cout +vo2 0 v2 l cout l (figure 1) it should als o be noted that the inductance and the frequency of the lc filtering network should be staggered with the dc/dc frequency to avoid mutual interference. however, the capacitance of the output filter capacitor must be proper. if the capacitance is too big, a startup problem might arise. for every channel of output, provided the safe and reliable operation is ensured, the recommended capacitance of its filter capacitor sees (table 1). external capacitor table (table 1) vin (vdc) cin ( f) vout (vdc) cou ( f) 5 4.7 5 4.7 12 2.2 9 2.2 24 1 12 1 -- -- 15 0.47 it s not recommend to connect any external capacitor in the application field with less than 0.5 watt output. output voltage regulation and over- voltage protection circuit the s implest device for output voltage regulation, over-voltage and over- current protection is a linear voltage regulator with overheat protection that is connected to the input or output end in series (figure 2). vin gnd vin gnd reg vo1 0v1 vo1 0v1 dc dc dc dc vo2 0v2 vo2 0v2 reg reg (figure 2) no parallel connection or plug and play.
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