2d 2d -x -x ns ns s s eries eries http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 1 of 2 selection selection guide guide order code input output efficiency (%,typ) switching frequency (khz,typ) voltage (vdc) voltage (vdc) current nominal range max min 2d 050505 xn s 5 4.5-5.5 5 200 20 80 84 2d 050909 xn s 5 4.5-5.5 9 111 12 82 81 2d 051212 xn s 5 4.5-5.5 12 83 9 82 82 2d 051515 xn s 5 4.5-5.5 15 67 7 83 83 2d 120505 xn s 12 10.8-13.2 5 200 20 80 180 2d 120909 xn s 12 10.8-13.2 9 111 12 83 150 2d 121212 xn s 12 10.8-13.2 12 83 9 85 84 2d 121515 xn s 12 10.8-13.2 15 67 7 83 83 2d 240505 xn s 24 21.6-26.4 5 200 20 81 82 2d 24090 9xn s 24 21.6-26.4 9 111 12 82 83 2d 241212 xn s 24 21.6-26.4 12 83 9 84 83 2d 241515 xn s 24 21.6-26.4 15 67 7 84 80 model model selection selection 2 2 d d 05 05 05 05 05 05 x n n s s product series input voltage output voltage 1 output voltage 2 fixed input negation layout s ip package microdc r eserves the copyright fixed input,isolated&unregulated twin output dc M dc converter features features rohs compliant efficiency up to 85% sip package wide temperature performance at full 2 watt load,-40 c to 85 ul 94v-0 package material no heatsink required low ripple and good emc features industry standard pinout power sharing on output 1kvdc isolation continuous short circuit protection internal smd construction no external components required good dynamic feature applications applications the 2 d - xn s 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 1 000vdc); 3) where the regulation of the output voltage and the output ripple noise are not demanded. such as: purely digital circuits,ordinary low frequency analog circuits,and 1gbt power d evice driving circuits. output output specifications specifications parameter test conditions min typ. max unit output power 2 w line regulation for vin change of 1% 1.2 % load regulation 10% to 100% full load(5v output) 12.8 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 output voltage accuracy see tolerance envelope graph temperature drif t 100% full load 0.03 %/ c output ripple&noise * 20mhz bandwidth 100 150 mv p-p switching frequency full load,nominal input 70 khz * test ripple and noise by "parallel cable" method. see detailed operation instructions at testing of power converter section, application notes. isolation isolation specifications specifications parameter test conditions min. typ. max unit isolation test voltage flash tested for 1 minute and 1ma max(vin/vout) 1000 vdc flash tested for 1 minute and 1ma max(v01/v02) 1000 vdc isolation resistance test at viso=500vdc(vin/vout) 1000 m test at viso=500vdc(v01/v02) 1000 m isolation capacitance (vin/vout) 90 pf (v01/v02) 90 pf
2d 2d -x -x ns ns s s eries eries http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 2 of 2 common common 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 2.8 g *supply voltage must be discontinued at the end of short circuit duration. typical typical characteristics characteristics temperature derating graph outline outline dimensions dimensions & & pin pin connections connections size graph recommended footprint top view,grid:2.54mm(0.1inch) diameter:1.00mm(0.039inch) footprint details pin function 1 vin 2 gnd 4 0v1 5 +v01 6 0v2 7 +v02 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 on output 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 be operated under no load! filtering to get the input/output ripple,an "lc"filtering network may be connected to the input and output ends of the dc/dc converter.which may produce a more significant filtering effect.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 see (figure 1). in some circuits which are sensitive to noise and ripple.a filtering capacitor may be added to the dc/dc output end and input end to reduce the noise and ripple. 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 capacitor table (table 1) vin cin v out cout (vdc) ( f) (vdc) ( f) 5 47 5 4.7 12 2.2 9 2.2 24 1.0 12 1.0 -- -- 15 0.47 it's not recommend to connect any external capacitor in the application field with less than 0.5 watt output. 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 conn ect ed to the inp ut or outp ut end in ser i es (f i gu r e 2) . when the environment temperature is higher than 71 c, the product output power should be less th a n 60% of the rated power. no parallel connection or plug and play. microdc professional power module,inc. tel:0086-20-86000646 e-mail:tech@microdc.cn website:http://www.microdc.cn rohs compliant 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 compliant 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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