the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. d_t-1w b/1-2012 page 1 of 3 d_t-1w series 1w, fixed input, isolated & unregulated twin output ultraminiature smd package dc-dc converter rohs features selection guide input output voltage (vdc) current (ma) part number nominal range voltage (vdc) max. min. efficiency (%,typ.) d050505t-1w 5/5 100/100 10/10 70 d050909t-1w * 9/9 56/56 6/6 75 d051212t-1w 12/12 42/42 4/4 79 d051515t-1w * 5 4.5-5.5 15/15 33/33 3/3 80 d120505t-1w * 5/5 100/100 10/10 72 d120909t-1w * 9/9 56/56 6/6 75 d121212t-1w 12/12 42/42 4/4 78 d121515t-1w 12 10.8-13.2 15/15 33/33 3/3 80 *designing. note: the d_t-w2/w5 series also are available in our company. common specifications item test condition min. typ. max. unit 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 package material epoxy resin (ul94-v0) mtbf 3500 k hours weight 2.1 g *supply voltage must be discontinued at the end of short circuit duration. isolation specifications item test condition min. typ. max. unit isolation voltage (vin/vout) tested for 1 minute and 1ma max 1000 isolation voltage (vo1/vo2) tested for 1 minute and 1ma max 1000 vdc isolation resistance (vin/vout) test at 500vdc 1000 isolation resistance (vo1/vo2) test at 500vdc 1000 m isolation capacitance (vin/vout) 60 isolation capacitance (vo1/vo2) 60 pf efficiency up to 80% twin independent output small footprint smd package styles industry standard pinout no heatsink required 1kvdc isolation high power density temperature range: -40 c ~ +85 c no external component required internal smd construction rohs compliance applications the d_t-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 ? 10%); 2) where isolation is necessary between input and output (isolation voltage 1000vdc); 3) where the regulation of the output voltage and the output ripple and noise are not demanding. such as: purely digital circuits, ordinary low frequenc y analog circuits and igbt power device driven circuits, etc. part number system d050505t-1w 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: 86-20-28203030 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. d_t-1w b/1-2012 page 2 of 3 output specifications application note item test conditions min. typ. max. unit output power 0.1 1 w 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) 6.0 10 % output voltage accuracy see tolerance envelope graph temperature drift 100% full load 0.03 %/ c ripple & noise* 20mhz bandwidth 50 75 mvp-p switching frequency full load, nominal input 100 khz *t est 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.) 220c o 10 max sec 260c o 90 max (>220c) o sec temperature (c) o remark: the curve applies only to the hot air reflow soldering typical charecteristics 1) 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, or use our company s products with a lower rated output power (d_t C w2/w5). 2) recommended 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 (figure1). 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 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 (table 1). 3) 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 (figure2). 4) overload protection under normal operating conditions, the output circuit of these products has no protection against overload. the simplest method is to connect a self-recovery fuse in series at the input end or add a circuit breaker to the circuit. 5) cannot use in parallel and hot swap vin gnd vo1 0v1 dc c l dc c vo2 0 v2 l c l (figure 1) vin gnd reg vin gnd reg vo1 0v1 vo1 0v1 dc dc dc dc vo2 0v2 reg vo2 0v2 (figure2) external capacitor table (table 1) vin (vdc) cin ( f) vout (vdc) cout ( f) 5 4.7 5 4.7 12 2.2 9 2.2 - - 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.
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. d_t-1w b/1-2012 page 3 of 3 outline dimensions& recommended footprint 1 2 5 6 gnd vin 0v1 vo1 vo2 0v2 nc 9 nc:no connection 21.50 [0.846] 7.60 [0.299] 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 ] footprint details pin note: unit: mm[inch] pin section tolerances: 0.10mm[0.004inch general tolerances: 0.25mm[0.010inch] ] note: unit: mm[inch] general tolerances: 0.50mm[0.020inch] l=530mm[20.866inch] devices per tube quantity: 28pcs l=220mm[8.661inch] devices per tube quantity: 10pcs mechanical dimensions recommended footprint tube outline dimensions reel packing outline dimensions note: unit: general tolerances: mm[inch] 0.50mm[0.020inch] ? 1.50[0.059] ? 21.50 [0.846] ? 13.00 [0.512] taping dimension: taping reel dimension: function 17.78 [0.700] 9 10 1312 5 3 12 8 6 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 . 6 8 [ 0 . 6 5 7 ] 1.00 [0.039] 2.10 [0.083] others 10 14.30 [0.563] 8.30 [0.327] 8.00 [0.315] ? 1.50[0.059] 4.00 [0.157] 18.00[0.709] 14.20[0.559] 24.00 [0.945] 5.75 [0.226] 6.00 [0.236] () front view 9 10 1312 8 14 5 3 1 2 6 7 ? 100.00 [3.937] 12.22 [0.481] 0.25 [0.010] 1.30 [0.051] 5 max a a 9.80 [0.386] note: grid 2.54*2.54mm. () top view short tube inner package dimensions: l*w*h= 255*170*80mm short tube outer package dimensions(with six inner package boxes): l*w*h= 375*280*270mm long tube inner package dimensions: l*w*h= 580*200*100mm long tube outer package dimensions(with two inner package boxes): l*w*h= 600*215*220mm long tube outer package dimensions(with three inner package boxes): l*w*h= 600*215*325mm per reel of packingquantity:400pcs inner package carton dimensions: l*w*h=365*350*105mm outer package carton dimensions: l*w*h=390*360*245mm tube quantity:800pcs tube quantity:1600pcs 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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