mornsun reserves the copyright specifications subject to change without notice ed_s - 1 w a/ 3 - 20 12 page 1 of 2 ed_s-1w series 1w, fixed input, isolated & unregulated twin independent output dc-dc converter rohs product program input output voltage (vdc) io1, io2 (ma) part number nominal range vo1, vo2 (vdc) max min efficiency (%, typ) package style ed0505s -1w 5 100 10 72 sip ed0509s-1w 9 56 6 75 sip ed0512s - 1w 12 42 4 78 sip ED0515S-1W 5 4.5-5.5 15 33 3 78 sip ed1205s-1w 5 100 10 74 sip ed1209s-1w 9 56 6 75 sip ed1212s-1w 12 42 4 79 sip ed1215s-1w 12 10.8-13.2 15 33 3 79 sip ed2405s-1w 5 100 10 74 sip ed2409s-1w 24 21.6-26.4 9 56 6 76 sip note: models listed with strike-through text have been officially discontinued. isolation specifications item test condition min typ max units isolation voltage(vin/vout) tested for 1 minute and 1 ma max 3000 isolation voltage (vo1/vo2) tested for 1 minute and 1 ma max 3000 vdc isolation resistance (vin/vout) test at 500vdc 1000 isolation resistance (vo1/vo2) test at 500vdc 1000 m isolation capacitance(vin/vout) 20 90 isolation capacitance(vo1/vo2) 20 90 pf output specifications item test condition min typ max units output power 0.1 1 w line regulation for vin change of 1% 1.2 10% to 100% load(5v output) 10 15 10% to 100% load(9v output) 8.3 15 10% to 100% load(12v output) 6.8 15 load regulation 10% to 100% load(15v output) 6.3 15 % output voltage accuracy see tolerance envelope graph temperature drift 100% full load 0.03 %/ c ripple& noise* 20mhz bandwidth 100 150 mvp-p switching frequency full load, nominal input 100 khz *test ripple and noise by parallel cable method. see detailed operation instructions at testing of power converter section, application notes. features efficiency up to 80% optimized volume twin output voltage 3kvdc isolation temperature range: -40 c to +85 c industry standard pinout no heat sink required no external component required internal smd construction pcb mounting rohs compliance applications the ed_s- 1w series are specially designed for applications where a group of polar power supplies are isolated from the input power suppl y in a distributed power supply 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 3000vdc); 3) where the regulation of the output voltage and the output ripple and noise are not demanding. such as: purely digital circuits, ordinary low frequency analog circuits and igbt power device driven circuits, etc. model selection ed0505s-1w product series input voltage output voltage package style rated power 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 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.
mornsun reserves the copyright specifications subject to change without notice ed_s - 1 w a/ 3 - 20 12 page 2 of 2 common specification item test condition min typ max units storage humidity range 95 % operation temp. range -40 85 storage temp. range -55 125 lead temperature 1.5mm from case for 10 seconds 300 temp. rise at full load 15 25 c short circuit protection* 1 s cooling free air convection case material plastic (ul94-v0) weight 2.1 g mtbf 3500 k hours *supply voltage must be discontinued at the end of short circuit duration. typical charecteristics ambient temperature c ( ) outline dimensions& recommended footprint 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 application note requirement on output load to ensure this module can operate efficiently 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. overload protection under 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. filtering in some circuits which are sensitive to noise and ripple, a filtering capacitor may be added to the dc/dc output end and input end to reduce the noise and ripple. 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 greatest capacitance of its filter capacitor sees the external capacitor table. external capacitor table(table 1) vin(vdc) cin(uf) cout(uf) vout(vdc) 5 4.7 5 4.7 12 2.2 9 2.2 24 1 12 1 -- -- 15 0.47 it s not recommended to connect any external capacitor in the application field with less than 0.5 watt output. to get an extremely low ripple, an lc filtering network may be connected to the input and output ends of the dc/dc converter, which may produce a more significant filtering effect. it should also 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 (see figure 1). (figure 1) vin gnd +vo1 0v1 dc c l dc c +vo2 0v2 l c l output voltage regulation and over-voltage protection circuit the simplest 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 (see figure 2). vin gnd reg vin gnd reg +vo1 0v1 +vo1 0v1 (figure 2) dc dc dc dc +vo2 0v2 reg +vo2 0v2 no parallel connection or plug and play.
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