dc/dc converte r a_s-2wr2 & b_s-2wr2 series 2015.04.20-a/2 page 1 of 5 mornsun guangzhou science & technology co., ltd. reserv es the copyright and right of final interpretation 2w, fixed input voltage, isolated & unregulated dual /single output patent protection rohs features z continuous short-circuit protection z operating temperature range: -40 to +105 z high efficienc y up t o86 % z high power density z miniature sip package z isolation voltage: 1.5k vdc z no external component required z international standard pin-out a_s-2wr2 & b_s-2wr2 series are specially designed for applications where an isolated voltage is required in a distributed power supply system. they are suitable for 1. where the voltage of the input power supply is stable (voltage variation: 10%vin); 2. where isolation between input and output is necessary (isolation voltage 1500vdc); 3. where the output voltage regulation is not strictly required; 4. typical application: digit circuit condition; normal low-frequency artificial circuit condition; relay drive circuit and data switching circu it condition, etc. input specifications certification part no. input voltage (vdc) output efficiency (%, min./typ.) @fullload max. capacitive load* ( f) nominal (range) output voltage (vdc) output current (ma) (max./min.) -- a0503s-2wr2 5 (4.5-5.5) 3.3 303/30 67/80 100 ul/ce a0505s-2wr2 5 200/20 76/80 a0509s-2wr2 9 111/11 80/84 a0512s-2wr2 12 83/8 80/84 a0515s-2wr2 15 67/7 78/82 a0524s-2wr2 24 42/4 80/84 -- b0503s-2wr2 3.3 400/40 75/79 220 ul/ce b0505s-2wr2 5 400/40 80/84 b0509s-2wr2 9 222/22 75/79 b0512s-2wr2 12 167/17 80/84 b0515s-2wr2 15 133/13 80/84 b0524s-2wr2 24 83/8 80/84 -- B0905S-2WR2 9 (8.1-9.9) 5 400/40 75/79 b0912s-2wr2 12 167/17 79/83 ul/ce a1205s-2wr2 12 (10.8-13.2) 5 200/20 76/80 100 a1209s-2wr2 9 111/11 80/84 a1212s-2wr2 12 83/8 80/84 a1215s-2wr2 15 67/7 80/84 a1224s-2wr2 24 42/4 80/84 -- b1203s-2wr2 3.3 400/40 75/79 220 ul/ce b1205s-2wr2 5 400/40 78/82 b1209s-2wr2 9 222/22 77/81 b1212s-2wr2 12 167/17 80/84 b1215s-2wr2 15 133/13 81/85 b1224s-2wr2 24 83/8 82/86
dc/dc converte r a_s-2wr2 & b_s-2wr2 series 2015.04.20-a/2 page 2 of 5 mornsun guangzhou science & technology co., ltd. reserv es the copyright and right of final interpretation -- a1505s-2wr2 15 (13.5-16.5) 5 200/20 76/80 100 a1515s-2wr2 15 67/7 80/84 b1505s-2wr2 5 400/40 76/80 220 b1515s-2wr2 15 133/13 81/85 a2403s-2wr2 24 (21.6-26.4) 3.3 303/30 76/80 100 ul/ce a2405s-2wr2 5 200/20 76/80 a2409s-2wr2 9 111/11 82/86 a2412s-2wr2 12 83/8 80/84 a2415s-2wr2 15 67/7 80/84 a2424s-2wr2 24 42/4 80/84 -- b2403s-2wr2 3.3 400/40 75/79 220 ul/ce b2405s-2wr2 5 400/40 76/80 b2409s-2wr2 9 222/22 82/86 b2412s-2wr2 12 167/17 80/84 b2415s-2wr2 15 133/13 82/86 b2424s-2wr2 24 83/8 82/86 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) 5v input -- 506/35 --/60 m a 9v input -- 268/25 --/50 12v input -- 208/20 --/50 15v input -- 167/15 --/35 24v input -- 104/10 --/30 reflected ripple current -- 15 -- m a surge v oltage (1sec. max.) 5v input -0.7 -- 9 v dc 9v input -0.7 -- 12 12v input -0.7 -- 18 15v input -0.7 -- 21 24v input -0.7 -- 30 input filter filter capacitor 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 v oltage 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 -- 15vdc output -- 7 -- 24vdc output -- 6 -- ripple & noise* 20mhz bandwidth -- 75 200 mvp-p temperature coefficient full load -- -- 0.03 % / short circuit protection** a24xxs-2wr2/b24xxs-2wr2 a0524s-2wr2/b0524s-2wr2 -- -- 1 s others continuous, self-recovery note: * ripple and noise are measured by ?parallel cable? method, please see dc-dc converter application notes for specific operation; **supply voltage must be discontinued at the end of short circuit duration for a24xxs-2wr2/b24xxs-2wr2 series, and a0524s-2wr2/b0524s-2wr2 model s.
dc/dc converte r a_s-2wr2 & b_s-2wr2 series 2015.04.20-a/2 page 3 of 5 mornsun guangzhou science & technology co., ltd. reserv es the copyright and right of final interpretation general specifications item operating conditions min. typ. max. unit isolation 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 isolation resistance input-output, isolation v oltage 500vdc 1000 -- -- m ? isolation capacitance input-output, 100khz/0.1v -- 20 -- pf operating temperature derating w hen operating t emperature up t o85 ,(see fig. 2) -40 -- 105 storage temperature -55 -- 125 casing temperature rise ta=25 , nominal input, full load output -- 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 full 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) dimensions 19.65*7.05*10.16mm weight 2.4g(typ.) cooling method free convection emc specifications emi ce cispr22/en55022 class b (see fig. 4 for recommended circuit) re cispr22/en55022 class b (see fig. 4 for recommended circuit) em s esd a_s-2wr2 iec/en61000-4-2 contact 6kv perf. criteria b b_s-2wr2 iec/en61000-4-2 contact 8kv perf. criteria b product characteristic curve 3.3vdc output -10% 80% 20% 10% 40% 60% -5% 0 +5% +10% 100% ty p . m i n . m a x . -15% -7.5% +1.0% -15% t olerance envelope curv e 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 curve fig. 1 120 100 80 60 40 20 0 output power percent(%) ambient temp.( ) te m p e r a t u r e d e r a ti n g c ur v e safe operating area -40 04085105120 fig. 2
dc/dc converte r a_s-2wr2 & b_s-2wr2 series 2015.04.20-a/2 page 4 of 5 mornsun guangzhou science & technology co., ltd. reserv es the copyright and right of final interpretation b0505s-2wr2 50 55 60 65 70 75 80 85 90 95 100 4.5 4.6 4.7 4.8 4.9 5 5.1 5.2 5.3 5.4 5.5 efficiency(%) input voltage(v) efficiency vs innput voltage (full load) b0505s-2wr2 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=5v) b1212s-2wr2 50 55 60 65 70 75 80 85 90 95 100 10.8 11.1 11.4 11.7 12.0 12.3 12.6 12.9 13.2 efficiency(%) input voltage(v) efficiency vs input voltage (full load) b1212s-2wr2 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=12v) desi g n reference 1. typical application circuit if it is required to further reduce input and output ripple, a filter ca pacitor may be connected to the input and output terminals, see fig.3. moreover, choosing a suitable filter capacitor is very important, start-up problems may be caused if the capacitance is too large. under the condition of safe and reliable operation, the recommended capacitive load values are shown in table 1. vin gnd +vo 0v dc cin dc cout cout -vo dual output single output vin gnd +vo 0v dc cin dc cout fig.3 recommended capacitive load value table (table 1) vin (vdc) cin ( f) single vo (vdc) cout ( f) dual vo (vdc) cout ( f) 54.73.3/5 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 -- -- -- -- 2. emc typical recommended circuit (class b) vin gnd +vo -vo (0v) dc/dc load ldm c1 vin gnd c3 c2 cy fig. 4 input voltage (vdc) 5/9/12/15 24 emi c1/c2 4.7 f /50v cy -- 1nf/2kv c3 refer to the cout in fig.3 ldm 6.8 h note: 1. 24v input series is subject to cy (cy : 1nf/2kv). 2. it is not needed to add the component in the peripheral circuit when parameter with the symbol of "--".
dc/dc converte r a_s-2wr2 & b_s-2wr2 series 2015.04.20-a/2 page 5 of 5 mornsun guangzhou science & technology co., ltd. reserv es the copyright and right of final interpretation 3. output load requirements when using, the minimum load of the module output should not be less than 10% of the nominal load. in order to meet the performance parameters of this datasheet, please connect a 10% dummy load in parallel at the output end, the dummy load is generally a resistor, please note that the resistor needs to be used in derating. 4. for more information please find dc-dc converter application notes on www.mornsun-power.com dimensions and recommended layout notes: 1. packing information please refer t o product packing information w hich can be downloaded from w ww.mornsun-power.com .packing bag number: 58200001; 2. if t he product is not operated w ithin t he required load range, t he product performance cannot be guaranteed t ocomply w ith all parameters in the datasheet; 3. the maximum capacitive load offered w ere t ested at nominal input v oltage and full load; 4. unless otherwise specified, parameters in this datasheet were measured under the conditions of ta=25 , humidity<75% with nominal input voltage and rated output load; 5. a ll inde x t esting methods in t his datasheet are based on our company?s corporate standards; 6. the performance parameters of the product models listed in this manual are as above, but some parameters of non-standard model products may exceed the requirements mentioned above. please contact our technicians directly for specific information; 7. w e can provide product customization service; 8. specifications are subject to change 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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