the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. a_s-1wr & b_ls-1wr a/4-2012 page 1 of 3 a_s-1wr & b_ls-1wr series 1w, fixed input, isolated & unregulated dual/single output dc-dc converter patent protection rohs product program input output voltage (vdc) current (ma) part number nominal range voltage (vdc) max min efficiency (%)(typ.) B0303LS-1WR 3.3 303 30 68 b0305ls-1wr 3.3 3.0-3.6 5 200 20 70 a0505s-1wr 5 100 10 69 a0509s-1wr 9 56 5 73 a0512s-1wr 12 42 4 75 a0515s-1wr 15 34 3 75 a0524s - 1wr 24 21 2 76 b0505ls-1wr 5 200 20 73 b0509ls-1wr 9 112 11 73 b0512ls-1wr 12 83 8 75 b0515ls-1wr 15 67 6 75 b0524ls-1wr 5 4.5-5.5 24 42 4 76 a1205s-1wr 5 100 10 70 a1212s-1wr 12 42 4 75 a1215s-1wr 15 34 3 76 b1205ls-1wr 5 200 20 73 b1209ls-1wr 9 112 11 72 b1212ls-1wr 12 83 8 75 b1215ls-1wr 12 10.8-13.2 15 67 6 76 a1505s - 1wr 5 100 10 70 b1515ls-1wr 15 13.5-16.5 15 67 6 75 a2405s-1wr 5 100 10 68 a2412s-1wr 12 42 4 76 a2415s-1wr 15 34 3 76 b2403ls-1wr 3.3 303 30 70 b2405ls-1wr 5 200 20 70 b2412ls-1wr 12 83 8 75 b2415ls-1wr 24 21.6-26.4 15 67 6 76 note:.models listed with strike-through text have been officially discontinued. 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 20 30 lead temperature 1.5mm from case for 10 seconds 300 c cooling free air convection case material plastic (ul94 - v0) short circuit protection* continuous, ,auto-recovery mtbf 1940 k hours features sip package output short circuit protection low isolation capacitance 1000vdc isolation voltage operating temperature: -40 +85 internal smd construction industry standard pinout rohs compliance applications the a_s-1wr & b_ls-1wr series 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 noise are not demanding. such as: purely digital circuits, ordinary low frequency analog circuits, and igbt power device driving circuits. model selection a0515s-1wr ratedpower ackagestyle p output voltage input voltage roductseries . p 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 weight 2.3 g
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. a_s-1wr & b_ls-1wr a/4-2012 page 2 of 3 intput specifications typical characteristics item test conditions min typ max units 5v input 30/260 12v input 12/110 15v input 12/100 input current (no load/full load) 24v input 7/55 ma 5v input 9 12v input 18 15v input 21 surge voltage (1s max) 24v input 30 v output specifications item test conditions min. typ. max. units output power 0.1 1 w line regulation for vin change of 1% 1.1 1.5 load regulation 10% to 100% load 10 20 % output voltage accuracy follow the tolerance envelope graph temperature drift 100% full load 0.03 %/ c ripple & noise* 20mhz bandwidth 100 200 mvp-p switching frequency full load, nominal input 100 khz tolerance envelope graph temperature derating graph nominal voltage +2.5% 50% 100% output current %) ( 10% -2.5% +10% +5% -7.5% o u t p u t v o l t a g e t y p i c a l l o a d l i n e operating temp.(c) o o u t p u t p o w e r ( % ) 0 20 40 60 80 100 120 -40 0 40 85 120 safe operating area 105 recommended circuit *test ripple and noise by parallel cable method. see detailed operation instructions at testing of power converter section, application notes. isolation specifications item test conditions min typ max units isolation voltage tested for 1 minute and 1 ma max 1000 vdc isolation resistance test at 500vdc 1000 m isolation capacitance input/output,100khz/0.1v 6 15 pf application note 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 resistance of 10% rated power at the output end in parallel, or use our company s products with a lower rated output power overload protection under normal operating condi tions, the output circuit of these products has no protection against overload. the simplest method is to connect a slow- blow fuse in series at the input end or add a circuit breaker to the circuit. recommended testing and application circuit if you want to further decrease the input ripple or the input inrush current, 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 f iltering 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, p rovided the safe and reliable operation is ensured, the recommended capacitance of its filter capacitor sees (table 1). 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 (figure 2). no parallel connection or plug and play. dualoutput singleoutput vin gnd +vo 0v dc cin l l dc l cout cout -vo l vin gnd +vo 0v dc cin l dc cout ( figure 1) vin gnd 0v +vo dc dc -vo reg reg reg dualoutput singleoutput vin gnd 0v +vo dc dc reg reg ( figure 2) recommended capacitance(table 1) vin (vdc) cin ( f) single output (vdc) cout ( f) dual output (vdc) cout ( f) 5 4.7 5 10 5 4.7 12 2.2 9 4.7 9 2.2 15 2.2 12 2.2 12 1 24 1 15 1 15 0.47 1 .the recommended external capacitance please use the ceramic capacitor; 2. for applications where output power is less than 0.5w in reality, external capacitors are not recommended.
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. a_s-1wr & b_ls-1wr a/4-2012 page 3 of 3 outline dimensions & pin connections 1 6 2 vin gnd 0v 5 +vo daul 4 -vo vin gnd no pin +vo single 0v note: grid 2.54*2.54mm. (bottomview) (front view) note unitmm[inch] pin sectiontolerances0.10mm[0.004inch general tolerances0.25mm[ 0.010inch ] : : : ] : note unit mm[inch] generaltolerances0.50mm[ 0.020inch] : : : pin footprintdetails l=530mm[20.866inch] devices per tube quantity: 25pcs l=220mm[8.661inch] devices per tube quantity: 10pcs short tube inner package dimensions: 255*170*80mm short tube outer package dimensions (with six inner package box): 375*280*270mm long tube inner package dimensions: 580*200*100mm long tube outer package dimensions (with two inner package box): 600*215*220mm long tube outer package dimensions (with three inner package box):600*215*325mm 8.30[0.327] 11.70[0.461] 5.00[0.197] 17.50[0.689] 19.50 0.50 [0.768] 0.020 7.62 [0.300] 0 . 6 0 [ 0 . 0 2 4 ] 0 . 2 0 0 . 0 0 8 9 . 3 0 [ 0 . 3 6 6 ] 0 . 2 0 0 . 0 0 8 9 . 0 0 [ 0 . 3 5 4 ] 0 . 2 0 0 . 0 0 8 1 3 . 4 0 [ 0 . 5 2 8 ] 0 . 5 0 0 . 0 2 0 0 . 3 0 [ 0 . 0 1 2 ] 0 . 1 0 0 . 0 0 4 0.6 0.10 0.004 [0.024] 12.70 [0.500] 1 . 9 0 [ 0 . 0 7 5 ] 0 . 2 0 0 . 0 0 8 1 . 7 5 [ 0 . 7 0 0 ] mechanicaldimensions tubeoutlinedimensions recommendedfootprint (side view) 1 2 4 56 1 2 4 5 6 1 . 9 0 [ 0 . 0 7 5 ] 0 . 2 0 0 . 0 0 8 7.62 [0.300] ? 1.00 [0.040] 12.7 [0.500] 2.13 [0.084] 2.13 [0.084] 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. in this datasheet, all the test methods of indications are based on corporate standards. 4. only typical models listed, other models may be different, please contact our technical person for more details.
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