dc/dc converte r a_s-1wr2 & b_ls-1wr2 series 2015.04.20-b/0 page 1 of 5 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation 1w, fixed input voltage, isolated & unregulated dual/single output patent protection rohs features z subminiature sip package z operating temperature range: -40 to +105 z efficiency up t o80% z isolation voltage: 1.5k vdc z high powe r densit y z no external component required z international standard pin-out a_s-1wr2 & b_ls-1wr2 series is specially designed for applications where an isolated voltage is required in a distributed power supply system. it is suitable for: 1.where the voltage of the input power supply is stable (voltage variation: 10%vin); 2.where isolation is necessary between input and output (isolation voltage 1500vdc); 3.where do not has high requirement of line regulation and load regulation; 4. such as: pure digital circuits, low frequency analog circuits, relay-driven circuits and data switching circuits. selection guide certification part no. input voltage (vdc) output efficiency (%, min./t yp.) @fullload max. capacitive load*( f) nominal (range) output voltage (vdc) output current (ma)(max./min.) -- b0303ls-1wr2 3.3 (2.97-3.63) 3.3 303/31 68/72 220 b0305ls-1wr2 5 200/20 74/78 a0503s-1wr2 5 (4.5-5.5) 3.3 152/15 67/71 100 ul/ce a0505s-1wr2 5 100/10 76/80 a0509s-1wr2 9 56/6 76/80 a0512s-1wr2 12 42/5 76/80 a0515s-1wr2 15 34/4 76/80 a0524s-1wr2 24 21/3 76/80 -- b0503ls-1wr2 3.3 303/31 70/74 220 ul/ce b0505ls-1wr2 5 200/20 76/80 b0509ls-1wr2 9 111/11 76/80 b0512ls-1wr2 12 84/9 76/80 b0515ls-1wr2 15 67/7 76/80 b0524ls-1wr2 24 42/5 76/80 -- a0909s-1wr2 9 (8.1-9.9) 9 56/6 76/80 100 a0915s-1wr2 15 34/4 76/80 a1203s-1wr2 12 (10.8-13.2) 3.3 152/15 72/76 ul/ce a1205s-1wr2 5 100/10 76/80 a1209s-1wr2 9 56/6 76/80 a1212s-1wr2 12 42/5 76/80 a1215s-1wr2 15 34/4 76/80 a1224s-1wr2 24 21/3 76/80 -- b1203ls-1wr2 3.3 303/31 72/76 220 ul/ce b1205ls-1wr2 5 200/20 76/80 b1209ls-1wr2 9 111/11 76/80 b1212ls-1wr2 12 84/9 76/80 b1215ls-1wr2 15 67/7 76/80 b1224ls-1wr2 24 42/5 76/80
dc/dc converte r a_s-1wr2 & b_ls-1wr2 series 2015.04.20-b/0 page 2 of 5 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation -- a1505s-1wr2 15 (13.5-16.5) 5 100/10 76/80 100 a1512s-1wr2 12 42/5 76/80 a1515s-1wr2 15 34/4 76/80 ce b1505ls-1wr2 5 200/20 76/80 220 -- b1512ls-1wr2 12 84/9 76/80 ce b1515ls-1wr2 15 67/7 76/80 ul/ce a2405s-1wr2 24 (21.6-26.4) 5 100/10 76/80 100 a2409s-1wr2 9 56/6 76/80 a2412s-1wr2 12 42/5 76/80 a2415s-1wr2 15 34/4 76/80 a2424s-1wr2 24 21/3 76/80 -- b2403ls-1wr2 3.3 303/31 70/74 220 ul/ce b2405ls-1wr2 5 200/20 76/80 b2409ls-1wr2 9 111/11 76/80 b2412ls-1wr2 12 84/9 76/80 b2415ls-1wr2 15 67/7 76/80 b2424ls-1wr2 24 42/5 76/80 note:*the capacitive loads of positive and negative outputs are identical. input specifications item operating conditions min. typ. max. unit input current (full load / no-load) 3.3v input -- 426/30 --/70 m a 5v input -- 281/25 --/60 9v input -- 142/20 --/60 12v input -- 106/15 --/50 15v input -- 84/10 --/35 24v input -- 54/7 --/30 surge v oltage (1sec. max.) 3.3v input -0.7 -- 5 v dc 5v input -0.7 -- 9 9v input -0.7 -- 12 12v input -0.7 -- 18 15v input -0.7 -- 21 24v input -0.7 -- 30 reflected ripple current -- 15 -- ma input filter capacitor filter hot plug unavailable output specifications item operating conditions min. typ. max. unit output v oltage a ccuracy see t olerance envelope graph (fig. 1) line regulation input voltage change: 1% 3.3vdc output -- -- 1.5 -- other output -- -- 1.2 load regulation 10%-100% load 3.3vdc output -- 18 -- % 5vdc output -- 12 -- 9vdc output -- 9 -- % 12vdc output -- 8 -- load regulation 10%-100% load 15vdc output -- 7 -- 24vdc output -- 6 -- ripple & noise* 20mhz bandwidth -- 60 150 mvp-p temperature drift coefficient 100% load -- -- 0.03 % /
dc/dc converte r a_s-1wr2 & b_ls-1wr2 series 2015.04.20-b/0 page 3 of 5 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation output short circuit protection** a24xxs-1wr2 /b24xxls-1wr2 a0524s-1wr2/b0524ls-1wr2 -- -- 1 s others continuous, self-recovery note: * ripple and noise tested with ?parallel cable? method, please see dc-dc converter application notes for specific operation methods. **supply voltage must be discontinued at the end of short circuit duration for a24xxs-1wr2 /b24xxls-1wr2 series, and a0524s-1wr2/ b0524ls-1wr2 models. general specifications item operating conditions min. typ. max. unit insulation v oltage input-output, w ith t he t est t ime of 1 minute and t he leak current lower t han 1ma 1500 -- -- v dc insulation resistance input-output, insulation v oltage 500vdc 1000 -- -- m isolation capacitance input-output, 100khz/0.1v -- 20 -- pf operating temperature derating i f t he t emperature 85 c, (see fig. 2) -40 -- 105 storage temperature -55 -- 125 casing temperature rise ta=25 -- 25 -- pin w elding resistance temperature w elding spot is 1.5mm away from t he casing, 10 seconds -- -- 300 storage humidity non-condensing -- -- 95 % rh switching frequency 100% load, nominal input v oltage -- 100 -- khz mtbf mil-hdfk-217f@25 3500 -- -- k hours physical specifications casing material black flame-retardant heat-proof epoxy resin (ul94-v0) package dimensions 19.50*9.30*6.00 mm weight 2.4g(typ.) cooling methods free air convection emc specifications emi conducted disturbance cispr22/en55022 class b (see fig. 4 for recommended circuit) radiated emission cispr22/en55022 class b (see fig. 4 for recommended circuit) em s electrostatic discharge a_s-1wr2 iec/en61000-4-2 contact 6kv perf. criteria b b_ls-1wr2 iec/en61000-4-2 co ntact 8kv perf. criteria b product characteristic curve 3.3vdc output -10% 80% 20% 10% 40% 60% -5% 0 +5% +10% 100% t yp . m i n . m a x. -15% -7.5% +1.0% -15% t olerance envelope curve output current percentage(%) (nominal input voltage) output voltage (%) accuracy other output -10% 80% 20% 10% 40% 60% -5% 0 +5% +10% +15% 100% t y p . m i n . m a x . -7.5% -2.5% +2.5% output current percent(%) (nominal input voltage) output voltage (%) accuracy t olerance envelope curv e fig. 1
dc/dc converte r a_s-1wr2 & b_ls-1wr2 series 2015.04.20-b/0 page 4 of 5 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation 120 100 80 60 40 20 0 -40 0 40 105 output power percent(%) ambient temp.( ) safe operating area t emperature derating curve 85 fig. 2 a0505s-1wr2 50 55 60 65 70 75 80 85 90 95 100 4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5 efficiency(%) input voltage (v) efficiency vs input voltage (full load) a0505s-1wr2 0 10 20 30 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 efficiency(%) output current percentage (%) efficiency vs output load(vin=5 v ) a2415s-1wr2 50 55 60 65 70 75 80 85 90 95 100 21.6 22.0 22.5 23.0 23.5 24.0 24.5 25.0 25.5 26.0 26.4 efficiency(%) input voltage (v) efficiency vs input voltage (full load) a2415s-1wr2 0 10 20 30 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 efficiency(%) output current percentage (%) efficiency vs output load(vin=24 v ) desi g n reference 1. typical application if it is required to further reduce input and output ripple, a filter capacitor can be connected to the input and output terminals, see fig.3. moreover, choosing suitable filter capacitor is very important, start-up problems may be caused by too large capacitance. to ensured the modules running well, the recommended capacitive load values as shown in table 1. vin gnd +vo 0v dc cin dc cout cout -vo dual single vin gnd +vo 0v dc cin dc cout fig.3 recommended capacitive load value table (table 1) vin (vdc) cin ( f) single vout (vdc) cout ( f) dual vout (vdc) cout ( f) 3.3/5 4.7 3.3/5 10 3.3/5 4.7 9/12 2.2 9/12 2.2 9/12 1 15 2.2 15/24 1 15/24 0.47 24 1 -- -- -- -- it is not recommended to connect any external capacitor when outputpowerislessthan0.5w.
dc/dc converte r a_s-1wr2 & b_ls-1wr2 series 2015.04.20-b/0 page 5 of 5 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation 2. emc typical recommended circuit (class b) vin gnd +vo -vo (0v) dc/dc load ldm c1 vin gnd c2 cy fig. 4 input voltage (vdc) 3.3/5/9/12 15/24 emi c1 4.7 f /50v c2 refer to the cout in fig.3 cy -- 1nf/2kv ldm 6.8 h note: 1.15v/ 24v input series is subject to cy (cy : 1nf/2kv). 2. it is not needed to add the component in the peripheral circuit w hen parameter w ith t he symbol of "--". 3. output load requirements to ensure the module work efficiently and reliably, during the operation, the min. output load should be no less than 10% of the full load. if the actual output power is low, please connect a resister to the outpu t terminal in parallel, with a recommenced resistance which is 10% of the rated power, and derating is required during operation. 4 . for more information please find t he application notes on w ww.mornsun-power.com dimensions and recommended layout note: 1. packing information please refer to 'product packing information'. packing bag number: 58200029; 2. if t he product is operated under t he min. required load, t he product performance cannot be guaranteed t ocomply w ith all performance indexes in this datasheet; 3. the max. capacitive load should be t ested w ithin t he input v oltage range and under full load conditions; 4. unless otherwise specified, data in this data sheet should be tested under the conditions of ta=25 c, humidity<75% when inputting nominal voltage and outputting rated load; 5. all index testing methods in this datasheet are based on our company?s corporate standards; 6. the performance indexes of t he product models listed in t his manual are as above, but some indexes of non-standard model products will exceed the above-mentioned requirements, and please directly contact our technicians for specific information; 7. w e can provide product customization service; 8. specifications of this product are subject to changes without prior notice. mornsun guangzhou 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: 86-20-38601850-8801 fax: 86-20-38601272 e-mail: info@mornsun.cn
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