the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. ib_lt-1w b/1-2010 page 1 of 3 ib_lt-1w series 1w, fixed input, isolated & regulated single output smd dc-dc converter rohs product program input output voltage (vdc) current (ma) part number nominal range voltage (vdc) max. min. efficiency (%, typ.) ib0505lt-w75 5 150 15 69 ib0509lt-1w 9 111 12 70 ib0512lt-1w 12 83 9 71 ib0515lt-1w 5 4.75-5.25 15 67 7 72 ib1205lt-w75 5 150 15 69 ib1212lt-1w 12 83 9 71 IB1215LT-1W 12 11.4-12.6 15 67 7 72 ib1505lt-w75 * 5 150 15 69 ib1509lt-1w * 9 111 12 70 ib1512lt-1w * 12 83 9 71 ib1515lt-1w 15 14.25-15.75 15 67 7 72 ib2405lt-w75 5 150 15 69 ib2409lt-1w * 9 111 12 70 ib2412lt-1w 12 83 9 71 ib2415lt-1w 24 22.8-25.2 15 67 7 72 *designing 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 260 c cooling free air convection short circuit protection continuous package material epoxy resin (ul94-v0) mtbf 3500 k hours weight 2.9 g isolation specifications item test conditions min. typ. max. units isolation voltage tested for 1 minute and 1ma max 1000 vdc isolation resistance test at 500vdc 1000 m isolation capacitance 70 pf features small footprint smd package 1kvdc isolation temperature range: -40 c ~ +85 c internal smd construction short circuit protection no heatsink required no external component required industry standard pinout rohs compliance applications the ib_lt-1w s eries are specially designed for applications where a group of polar power supplies are isolated from the input power supply 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 5%); 2) where isolation is necessary between input and output (isolation voltage 1000vdc); 3) where the regulation of the output voltage and the output ripple noise are not demanding. model selection ib0512lt-1w rated power package style output voltage input voltage product series 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: 86-20-28203030 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. ib_lt-1w b/1-2010 page 2 of 3 output specifications typical characteristics item test conditions min. typ. max. units output power 0.1 1 w line regulation for vin change of 5% 0.3 load regulation 10% to 100% load 1 output voltage accuracy 100% full load 3 % temperature drift 100% full load 0.03 %/ c ripple* 20mhz bandwidth 10 20 noise* 20mhz bandwidth 50 150 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. operating temp.(c) o recommended reflow soldering profile recommended circuit 0 50 100 150 200 250 time (sec.) 220 10 max sec peak.temp 260 90 max (>220 ) sec c c c temperature c ( ) application note 1) requirement on output load to ensure this module can operate efficiently and reliably, during operation, 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 2) recommended 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). 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 . however, the capacitance of the output filter capacitor must be proper. if the capacitan ce 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 (table 1). 3) overload protection under normal operating conditions, the output circuit of these products has no protection against over-current. the simplest method is to connect a self-recovery fuse in series at the input end or add a circuit breaker to the circuit. 4) input over-voltage protection circuit the simplest device for input over-voltage protection is a linear voltage regulator with overheat protection that is connected to the input end in series (figure 2). 5) no parallel connection or plug and play l vin gnd +vo 0v dc cin l dc cout (figure 1) vin gnd reg +vo dc dc 0v (figure 2) external capacitor table (table 1) vin (vdc) cin ( f) single vout (vdc) cout ( f) 5 4.7 5 4.7 12 2.2 9 2.2 15 1 12 2.2 24 1 15 1 it s not recommended to connect any external capacitor in the application field with less than 0.5 watt output.
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. ib_lt-1w b/1-2010 page 3 of 3 outline dimensions & pin connections 1 2 6 7 vin gnd 0v +vo 5.75 [0.226] 17.78 [0.700] 21.20 [0.835] 7.30 [0.287] 0.60 [0.024] 1 8 . 2 0 [ 0 . 7 1 7 ] 2.00 [0.079] 3 2 . 0 0 [ 0 . 2 6 0 ] 1.75 [0.069] 0.50[0.020] 6.80[0.268] 37.40 [1.472] ? 3 3 0 . 0 0 [ 1 2 . 9 9 2 ] 9 10 1312 5 3 12 8 6 ? 1.50[0.059] ? 21.50 [0.846] ? 13.00 [0.512] 6.00 [0.236] 2.54 [0.100] 15.24 [0.600] 1 7 . 7 8 [ 0 . 7 0 0 ] 1 2 . 7 0 [ 0 . 5 0 0 ] 0.60 [0.024] 7 14 1 6 . 7 0 [ 0 . 6 5 7 ] 2.54 [0.100] 1.00 [0.039] 2.54 [0.100] 2.10 [0.083] nc 14.00 [0.551] 8.60 [0.339] 7.10 [0.280] ? 1.50[0.059] 4.00 [0.157] 18.00[0.709] 14.20[0.559] 24.00[0.945] footprint details pin nc:no connection mechanical dimensions tube outline dimensions note: unit: mm[inch] pin section tolerances: 0.10mm[ 0.004inch] general tolerances: 0.25mm[ 0.010inch] note: unit: mm[inch] general tolerances: 0.5mm[ 0.020inch] l=530mm[20.866inch] : 28pcs l=220mm[8.661inch] : 10pcs devices per tube quantity devices per tube quantity reel packing outline dimensions note: unit: mm[inch] general tolerances: 0.5mm[ 0.020inch] devices per reel quantity: 400pcs recommended footprint (side view) (top view) taping dimension: taping reel dimension: others function 9 10 1312 5 3 1 2 8 6 7 14 ? 100.00 [3.937] 12.22 [0.481] 0.25 [0.010] 1.30 [0.051] 5 max a a note: 1. 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. 2. all specifications measured at ta=25 c, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 3. only typical models listed, other models may be different, please contact our technical person for more details. 4. in this datasheet, all the test methods of indications are based on corporate standards.
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