b-xlm-w b-xlm-w b-xlm-w b-xlm-w b-xlm-w b-xlm-w b-xlm-w b-xlm-w 5 5 5 5 5 5 5 5 s s eries eries http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 1 of 2 selection selection selection selection selection selection selection selection guide guide guide guide guide guide guide guide order code * input output efficiency (%,typ) switching frequency (khz,typ) voltage (vdc) voltage (vdc) current nominal range max min b0505 x lm-w 25 5 4.5-5.5. 5 50 5 79 83 b0505 x lm- w5 5 4.5-5.5 5 1 00 1 0 70 82 b0509 x lm- w5 5 4.5-5.5 9 56 6 75 83 b0512 x lm- w5 5 4.5-5.5 12 42 4 79 83 b0515 x lm- w5 5 4.5-5.5 15 33 3 80 80 b05 24x lm- w5 5 4.5-5.5 24 21 2 7 8 84 b1205 x lm- w5 12 10.8-13 5 1 00 1 0 72 84 b1209 x lm- w5 12 10.8-13 9 56 6 75 81 b1212 x lm- w5 12 10.8-13 12 42 4 77 82 b1215 x lm- w5 12 10.8-13 15 33 3 79 83 b12 24x lm- w5 12 10.8-13 24 21 2 81 84 b2405 x lm- w5 24 21.6-26 5 1 00 1 0 70 82 b2409 x lm- w5 24 21.6-26 9 56 6 73 83 b2412 x lm- w5 24 21.6-26 12 42 4 75 83 b2415 x lm- w5 24 21.6-26 15 33 3 78 80 b2424 x lm- w5 24 21.6-26 24 21 2 77 84 * * * * add add add add suffix suffix suffix suffix p p p p for for for for continuous continuous continuous continuous short short short short circuit circuit circuit circuit protection, protection, protection, protection, e.g. e.g. e.g. e.g. b0505x b0505x b0505x b0505x lm lm lm lm -w -w -w -w 5 5 5 5 p p p p 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 lm lm lm lm lm lm lm lm - - - - - - - - w5 w5 w5 w5 w5 w5 w5 w5 product series input voltage output voltage fixed input package style rated power microdc reserves the copyright 0.5 0.5 0.5 0.5 w, w, w, w, fixed fixed fixed fixed input, input, input, input, isolated&unregulated isolated&unregulated isolated&unregulated isolated&unregulated single single single single output,superminiature output,superminiature output,superminiature output,superminiature sip sip sip sip 6 6 6 6 package package package package features features features features features features features features rohs compliant efficiency up to 80% miniature sip package style wide temperature performance at full 0.5 watt load,-40 c to 85 c ul 94v-0 package material no heat sink required industry standard pin out power sharing on output 1kvdc isolation continuous short circuit protection internal smd construction no external components required applications applications applications applications applications applications applications applications the b_ x lm- w5 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. output output output output output output output output specifications specifications specifications specifications specifications specifications specifications specifications parameter test conditions min. typ. max unit output power 0.05 0.5 w line regulation for vin change of 1% 1.2 % load regulation 10% to 100% full load(5v output) 10 15 10% to 100% full load(9v output) 8.3 10 10% to 100% full load(12v output) 6.8 10 10% to 100% full load(15v output) 6.3 10 10% to 100% full load( 24 v output) 5 10 output voltage see tolerance envelope graph temperature drif t 100% full load 0.03 %/ c output ripple&noise * 20mhz bandwidth(b - xlm - w5 ) 75 100 mv p-p switching frequency 100% load, nominal input(5v,12v) 100 khz 100% load, nominal input(24v) 500 * test ripple and noise by "parallel cable" method. see detailed operation instructions at testing of power converter section, application notes. isolation isolation isolation isolation isolation isolation isolation isolation specifications specifications specifications specifications specifications specifications specifications specifications parameter test conditions min. typ. max. units isolation test voltage flash tested for 1 minute and 1ma max 1000 vdc isolation resistance test at viso=500vdc 1000 m
b-xlm-w b-xlm-w b-xlm-w b-xlm-w b-xlm-w b-xlm-w b-xlm-w b-xlm-w 5 5 5 5 5 5 5 5 s s eries eries http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 2 of 2 common common common common common common common common specifications specifications specifications specifications specifications specifications specifications specifications parameter conditions min. typ. max. units storage humidity range 95 % operating temperature -40 85 storage temperature -55 125 lead temperature 1.5mm from case for 10 seconds 300 temp.rise at full load 15 25 cooling free air convection case material plastic(ul94-v0) short circuit protection* continuous 1 s mtbf 3500 k hours weight 2.1 g *supply voltage must be discontinued at the end of short circuit duration. typical typical typical typical typical typical typical typical characteristics characteristics characteristics characteristics characteristics characteristics characteristics characteristics temperature derating graph outline outline outline outline outline outline outline outline dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions & & & & & & & & pin pin pin pin pin pin pin pin connections connections connections connections connections connections connections connections size graph recommended recommended recommended recommended footprint footprint footprint footprint top top top top view,grid:2.54mm(0.1inch) view,grid:2.54mm(0.1inch) view,grid:2.54mm(0.1inch) view,grid:2.54mm(0.1inch) diameter:1.00mm(0.039inch) diameter:1.00mm(0.039inch) diameter:1.00mm(0.039inch) diameter:1.00mm(0.039inch) footprint footprint footprint footprint footprint footprint footprint footprint details details details details details details details details pin single 1 vin 2 gnd 4 0v 5 nc 6 +v o n c - not available for electrical connection. note: unit:mm(inch) pin section:0.50*0.3mm(0.020*0.012inch) pin section tolerances: 0.10mm( 0.004inch) general tolerances: 0.25mm( 0.010inch) requirement requirement requirement requirement on on on on output output output output load load load 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 is not less than 10% of the full load, and that this product should never never never never be be be be operated operated operated operated under under under under no no no no load! load! load! load! overload overload overload overload protection protection protection 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. recommended recommended recommended recommended testing testing testing testing and and and and application application application application circuit circuit circuit 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 (figure 1). 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). external external external external capacitor capacitor capacitor capacitor table table table table (table (table (table (table 1) 1) 1) 1) vin vin vin vin cin cin cin cin single single single single v v v v out out out out cout cout cout cout (vdc) ( f) (vdc) ( f) 5 47 5 10 12 2.2 9 4.7 24 1.0 12 2.2 -- -- 15 1 it's not recommend to connect any external capacitor in the application field with less than 0.5 watt output. output output output output voltage voltage voltage voltage regulation regulation regulation regulation and and and and over-voltage over-voltage over-voltage over-voltage protection protection protection protection circuit circuit circuit circuit the simplest device for output voltage regulation, over-voltage and over-current protection is a linear voltage regulator with overheat protection that is conne ct ed to the inpu t or outp ut end in ser i es (f i gu r e 2) . when when when when the the the the environment environment environment environment temperature temperature temperature temperature is is is is higher higher higher higher than than than than 71 71 71 71 c, c, c, c, the the the the product product product product output output output output power power power power should should should should be be be be less less less less th th th th a a a a n n n n 60% 60% 60% 60% of of of of the the the the rated rated rated rated power. power. power. power. 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. microdc microdc microdc microdc professional professional professional professional power power power power module,inc. module,inc. module,inc. module,inc. tel:0086-20-86000646 e-mail:tech@microdc.cn website:http://www.microdc.cn 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.
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