b b b b b b b b -x -x -x -x -x -x -x -x (s)d (s)d (s)d (s)d (s)d (s)d (s)d (s)d - - - - - - - - 2 2 2 2 2 2 2 2 w w w w w w w w series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 1 of 5 order code input voltage (v) output voltage (v) output current ( m a) input current ( rated load ) ( m a) efficiency (%) isolation capacitance (pf) mttf 1 (khrs) b0505 x s-2w 5 5 400 470 81 33 3956 b0505 xd -2w 5 5 400 470 81 33 3956 b0509 x s-2w 5 9 222 455 84 40 3682 b0509 xd -2w 5 9 222 455 84 40 3682 b0512 x s-2w 5 12 167 450 84 40 3299 b0512 xd -2w 5 12 167 450 84 40 3299 b0515 x s-2w 5 15 133 450 84 40 2833 b0515 xd -2w 5 15 133 450 84 40 2833 b05 24x s-2w 5 24 83 442 82 40 2766 b05 24xd -2w 5 24 83 442 84 40 2766 b1205 x s-2w 12 5 400 200 81 40 2519 b1205 xd -2w 12 5 400 200 81 40 2519 b1209 x s-2w 12 9 222 190 83 61 2405 b1209 xd -2w 12 9 222 190 83 61 2405 b1212 x s-2w 12 12 167 190 85 74 2235 b1212 xd -2w 12 12 167 190 85 74 2235 b1215 x s-2w 12 15 133 185 85 68 2011 b1215 xd -2w 12 15 133 185 85 68 2011 b12 24x s-2w 12 24 83 99 84 68 1800 b12 24xd -2w 12 24 83 99 83 69 1789 b2405 xs -2w 24 5 400 104 80 60 2000 b240 6xs -2w 24 6 333.3 102 82 58 1850 b2409 xs -2w 24 9 222 100 83 65 1980 b2412 xs -2w 24 12 167 99 84 78 1800 b2415 xs -2w 24 15 133 99 84 58 1760 b2424 xs -2w 24 24 83 99 84 68 1800 b2405 x d-2w 24 5 400 104 80 60 1850 b2409 x d-2w 24 9 222 100 83 65 1886 b2412 x d-2w 24 12 167 99 84 78 1986 b2415 x d-2w 24 15 133 99 84 58 1801 b2424 x d-2w 24 24 83 99 84 68 1850 model model model model model model model model selection selection selection selection selection selection selection selection b b b b b b b b 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 x x x x x x x x s s s s s s s s - - - - - - - - 2 2 2 2 2 2 2 2 w w w w w w w w product series input voltage output voltage fixed input smd package rated power isolated isolated isolated isolated 2 2 2 2 w w w w single single single single output output output output dc/dc dc/dc dc/dc dc/dc converters converters converters converters features features features features features features features features rohs compliant i/o isolation voltage 1 000vdc operating temperature: -40 85 high efficiency up to 81% fully encapsulated toroidal magnetics internal smd construction power density up to 0.85 w/cm 3 no electrolytic or tantalum capacitors 5v,9v,12v and 15v output no heatsink required dual output from a single input rail ul 94v-0 package material no external compo nents required industry standard pinout power sharing on output mttf up to 3.9 million hours applications applications applications applications applications applications applications applications microdc reserves the copyright selection selection selection selection selection selection selection selection guide guide guide guide guide guide guide guide the the the the b_ b_ b_ b_ x(s)d x(s)d x(s)d x(s)d -2w -2w -2w -2w series series series series of of of of dc/dc dc/dc dc/dc dc/dc converters converters converters converters is is is is particularly particularly particularly particularly suited suited suited suited to to to to isolating isolating isolating isolating and and and and or or or or converting converting converting converting dc dc dc dc power power power power rails. rails. rails. rails. the the the the galvanic galvanic galvanic galvanic isolation isolation isolation isolation allows allows allows allows the the the the device device device device to to to to be be be be configured configured configured configured to to to to provide provide provide provide an an an an isolated isolated isolated isolated negative negative negative negative rail rail rail rail in in in in systems systems systems systems where where where where only only only only positive positive positive positive rails rails rails rails exist. exist. exist. exist. the the the the wide wide wide wide temperature temperature temperature temperature range range range range guarantees guarantees guarantees guarantees startup startup startup startup from from from from -40 -40 -40 -40 c c c c and and and and full full full full 2 2 2 2 watt watt watt watt output output output output at at at at 85 85 85 85 c. c. c. c. pin pin pin pin compatibility compatibility compatibility compatibility with with with with the the the the b_ls b_ls b_ls b_ls series series series series ensures ensures ensures ensures ease ease ease ease of of of of upgradeability. upgradeability. upgradeability. upgradeability. input input input input input input input input characteristics characteristics characteristics characteristics characteristics characteristics characteristics characteristics parameter conditions min typ max. units voltage range continuous operation, 5 v input types 4.5 5 5.5 v continuous operation, 12 v input types 10.8 12 13.2 continuous operation, 24 v input types 21.6 24 26.4 reflected ripple current 7.5 15 ma p-p absolute absolute absolute absolute absolute absolute absolute absolute maximum maximum maximum maximum maximum maximum maximum maximum ratings ratings ratings ratings ratings ratings ratings ratings short-circuit protection 2 1 second lead temperature 1.5mm from case for 10 seconds 300 c internal power dissipation 550mw input voltage vin,b05 types 7v input voltage vin,b12 types 15v 1.calculated using mil-hdbk-217fn2 calculation model with nominal input voltage at full load. 2.supply voltage must be disconnected at the end of the short circuit duration. all specifications typical at ta=25 c,nominal input voltage and rated output current unless otherwise specified.
b b b b b b b b -x -x -x -x -x -x -x -x (s)d (s)d (s)d (s)d (s)d (s)d (s)d (s)d - - - - - - - - 2 2 2 2 2 2 2 2 w w w w w w w w series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 2 of 5 isolation isolation isolation isolation isolation isolation isolation isolation characteristics characteristics characteristics characteristics characteristics characteristics characteristics characteristics parameter conditions min. typ. max. units isolation voltag e flash tested for 1 secon d 1000 vdc resistanc e viso= 5 00vd c 1000 m ? capacitive capacitive capacitive capacitive capacitive capacitive capacitive capacitive loading loading loading loading loading loading loading loading and and and and and and and and start start start start start start start start up up up up up up up up typical start up times for this series, with a typical input voltage rise time of 2.2s and output capacitance of 10f, are swn in the table below. the product series will start into a capacitance of 47f with an increased start time, however, the maximum recommended output capacitanceis 10f typical typical typical typical start-up start-up start-up start-up wave wave wave wave form form form form start-up time b0505 x s 444 b0509 x s 1120 b0512 x s 1930 b0515 x s 3470 b1205 x s 409 b1209 x s 1320 b1212 x s 1320 b1215 x s 2270 temperature temperature temperature temperature temperature temperature temperature temperature characteristics characteristics characteristics characteristics characteristics characteristics characteristics characteristics parameter conditions min. typ. max. units specification all output types -40 85 storage -50 125 case temperature above ambient b0505s output types 30 b1205s output types 25 all other output types 20 general general general general general general general general characteristics characteristics characteristics characteristics characteristics characteristics characteristics characteristics parameter conditions min. typ. max. units switching frequency 60 khz output output output output output output output output characteristics characteristics characteristics characteristics characteristics characteristics characteristics characteristics parameter conditions min. typ. max. units rated power1 ta=-40 c to 85 c 0.2 2 w voltage set point accuracy see tolerance envelope line regulation high vin to low vin 1.05 1.2 %% load regulation 10% to 100% load 3.3v output 12 20 % 5v output 12.8 15 % 9v output 8.3 15 % 12v output 6.8 15 % 15v output 6.3 15 % 24v output 6.0 15 %
b b b b b b b b -x -x -x -x -x -x -x -x (s)d (s)d (s)d (s)d (s)d (s)d (s)d (s)d - - - - - - - - 2 2 2 2 2 2 2 2 w w w w w w w w series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 3 of 5 output output output output output output output output ripple ripple ripple ripple ripple ripple ripple ripple reduction reduction reduction reduction reduction reduction reduction reduction output output output output ripple ripple ripple ripple reduction reduction reduction reduction by using the values of inductance and capacitance stated, the output ripple at the rated load is lowered to 5mv p-p max. component component component component selection selection selection selection capacitor: ceramic chip capacitors are recommended. it is required that the esr(equivalent series resistance)should be as low as possible.x7r types are recommended. the voltage rating should be at least twice(except for 15v output),the rated output voltage of the dc/dc converter. inductor: the rated current of the inductor should not be less than of the output of the dc/dc converter. at the rated current, the dc resistance of the inductor should be such that the voltage drop across the inductor is <2% of the rated voltage of the dc/dc converter. the srf(self resonant frequency) should be >20mhz. characterisation characterisation characterisation characterisation test test test test methods methods methods methods ripple ripple ripple ripple & & & & noise noise noise noise characterisation characterisation characterisation characterisation method method method method all measurement to be taken with the following components connected to the uut as detailed below. 50 ohm coax cable, solder connections one end, bnc plug at the other end. ripple and noise measurements are performed with the following test con f guration. c1 1 f x7r multilayer ceramic capacitor, voltage rating to be a minimum of 3 times the output voltage of the dc/dc converter c2 10 f tantalum capacitor, voltage rating to be a minimum of 1.5 times the output voltage of the dc/dc converter with an esr of less than 100m at 100 khz c3 100nf multilayer ceramic capacitor, general purpose r1 450 resistor, carbon f lm, 1% tolerance r2 50 bnc termination t1 3t of the coax cable through a ferrite toroid rload resistive load to the maximum power rating of the dc/dc converter. connections should be made via twisted wires measured values are multiplied by 10 to obtain the speci f ed values. differential differential differential differential mode mode mode mode noise noise noise noise test test test test schematic schematic schematic schematic temperature temperature temperature temperature temperature temperature temperature temperature derating derating derating derating derating derating derating derating graph graph graph graph graph graph graph graph tolerance tolerance tolerance tolerance tolerance tolerance tolerance tolerance envelope envelope envelope envelope envelope envelope envelope envelope the voltage tolerance envelope shows typical load regulation characteristics for this product series. the tolerance envelope is the maximum output voltage variation due to changes in output
b b b b b b b b -x -x -x -x -x -x -x -x (s)d (s)d (s)d (s)d (s)d (s)d (s)d (s)d - - - - - - - - 2 2 2 2 2 2 2 2 w w w w w w w w series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 4 of 5 package package package package package package package package specifications specifications specifications specifications specifications specifications specifications specifications mechanical mechanical mechanical mechanical mechanical mechanical mechanical mechanical dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions sip sip sip sip sip sip sip sip package package package package package package package package dip dip dip dip dip dip dip dip package package package package package package package package all all dimensions dimensions in in inches inches 0.01(mm 0.01(mm 0.25mm). 0.25mm). all all pins pins on on a a 0.1(2.54) 0.1(2.54) pitch pitch and and within within 0.01(0.25)of 0.01(0.25)of true true position. position. weight: weight: 2.8g 2.8g footprint footprint footprint footprint footprint footprint footprint footprint sip sip sip sip sip sip sip sip 7 7 7 7 7 7 7 7 footprint footprint footprint footprint footprint footprint footprint footprint dip14 dip14 dip14 dip14 dip14 dip14 dip14 dip14 pin pin pin pin pin pin pin pin f f f f f f f f unction unction unction unction unction unction unction unction pin pin pin pin pin pin pin pin f f f f f f f f unction unction unction unction unction unction unction unction 1 1 +v in 1 1 gnd 2 2 -v in 7 7 nc 4 4 -v out 8 8 0v 6 6 +v out 9 9 +v0 11 11 no pin nc no connection 14 14 v in specifcations specifcations specifcations specifcations can can can can be be be be changed changed changed changed any any any any time time time time without without without without notice. notice. notice. notice. no no no no parallel parallel parallel parallel connection connection connection connection or or or or plug plug plug plug and and and and play. play. play. play. note: 1. the load shouldn't be less than 10%, otherwise ripple will increase dramatically. 2. operation under 10% load will not damage the converter; however, they may not meet all specification listed. 3. all specifications measured at ta=25 c, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 4. in this datasheet, all the test methods of indications are based on corporate standards. technical technical technical technical technical technical technical technical notes notes notes notes notes notes notes notes isolation isolation isolation isolation voltage voltage voltage voltage "hi pot test","flash tested","withstand voltage","dielectric withstand voltage"& isolation test voltage" are all terms that relate to the same thing, a test voltage. applied for a specified time, across a component designed to provide electrical isolation, to verify the integrity of that isolation. professional power module b series of dc/dc converters are all 100% production tested at their stated isolation voltage. this is 1kvdc for 1 second. a question commonly asked is,"what is the continuous voltage that can be applied across the part in normal operation?" the b_ x( s )d -2w series has been recognized by underwriters laboratory for functional insulation. both input and output should normally be maintained within selv limits i.e. less than 42.4v peak, or 60vdc.the isolation test voltage represents a measure of immunity to transient voltages and the part should never be used as an element of a safety isolation system. the part could be expected to function correctly with several hundred volts offset applied continuously across the isolation barrier, but then the circuitry on both sides of the barrier must be regarded as operating at an unsafe voltage and further isolation/insulation systems must form a barrier between these circuits and any user-acssible circuitry according to safety standard requirements. repeated repeated repeated repeated high-voltage high-voltage high-voltage high-voltage isolation isolation isolation isolation testing testing testing testing it is well known that repeated high-voltage isolation testing of a barrier component can actually degrade isolation capability, to a lesser or greater degree depending on materials. construction and environment. the b series has toroidal isolation transformers, with no additional insulation between primary and secondary windings of enameled wire. while parts can be expected to withstand several times the stated test voltage, the isolation capability does depend on the wire insulation. any material, including this enamel (typically polyurethane) is susceptible to eventual chemical degradation when subject to very high applied voltages thus implying that the number of tests should be strictly limited. we therefore strongly advise against repeated high voltage isolation testing. but if it is absolutely required, that the voltage be reduced by 20% from specified test voltage. this consideration equally applies to agency recognized parts for better than functional isolation where the wire enamel insulation is always supplemented by a further insulation system of physical spacing or barriers. recommended recommended recommended recommended recommended recommended recommended recommended footprint footprint footprint footprint footprint footprint footprint footprint details details details details details details details details 4 4 4 4 4 4 4 4 pin pin pin pin pin pin pin pin sip sip sip sip sip sip sip sip package package package package package package package package 14 14 14 14 14 14 14 14 pin pin pin pin pin pin pin pin dip dip dip dip dip dip dip dip package package package package package package package package unless otherwise stated all dimensions in inches (mm) 0.5mm
b b b b b b b b -x -x -x -x -x -x -x -x (s)d (s)d (s)d (s)d (s)d (s)d (s)d (s)d - - - - - - - - 2 2 2 2 2 2 2 2 w w w w w w w w series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 5 of 5 microdc professional power module,inc. tel:0086-20-86000646 e-mail:tech@microdc.cn website:http://www.microdc.cn microdc professional power module,inc.makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. specifications are subject to change without notice. ? 2010 microdc professional power module, inc. guangzhou rohs rohs rohs rohs compliant compliant compliant compliant information information information information this series is compatible with rohs soldering systems with a peak wave solder temperature of 300 c for 10 seconds. the pin termination finish on the sip package type is tin plate, hot dipped over matte tin with nickel preplate. the dip types are matte tin over nickel preplate. both types in this series are backward compatible with sn/pb soldering systems. reach reach reach reach compliant compliant compliant compliant information information information information this series has proven that this product does not contain harmful chemicals, it also has harmful chemical substances through the registration, inspection and approval. tube tube tube tube tube tube tube tube outline outline outline outline outline outline outline outline dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions 4 4 4 4 4 4 4 4 pin pin pin pin pin pin pin pin sip sip sip sip sip sip sip sip tube tube tube tube tube tube tube tube 14 14 14 14 14 14 14 14 pin pin pin pin pin pin pin pin dip dip dip dip dip dip dip dip tube tube tube tube tube tube tube tube unless otherwise stated all dimensions in inches (mm) 0.5mm. tube length (14 pin dip) : 20.47 (520mm 2mm). tube length ( 4 pin sip) : 20.47 (520mm 2mm). tube quantity :25
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