f f -x -x sr&f sr&f -x -x dr dr 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(ma) nominal range max min f 0505 xsr * 5 4.75-5.25 5 150 15 68 83 f 0505 xsr 5 4.75-5.25 5 200 20 66 83 f 0509 xsr 5 4.75-5.25 9 111 12 70 83 f 0512 xsr 5 4.75-5.25 12 83 9 72 83 f 0515 xsr 5 4.75-5.25 15 67 7 73 250 f 1205 xsr 12 11.4-12.6 5 150 15 68 100 f 1205 xsr 12 11.4-12.6 5 200 20 67 83 f 1209 xsr 12 11.4-12.6 9 111 12 71 83 f 1212 xsr 12 11.4-12.6 12 83 9 73 83 f 1215 xsr 12 11.4-12.6 15 67 7 74 83 f 2405 xsr 24 22.8-25.2 5 150 15 68 83 f 2405 xsr 24 22.8-25.2 5 200 20 67 83 f 2409 xsr 24 22.8-25.2 9 111 12 72 83 f 2412 xsr 24 22.8-25.2 12 83 9 73 83 f 2415 xsr 24 22.8-25.2 15 67 7 74 300 f 0505 xdr 5 4.75-5.25 5 150 15 68 83 f 0505 xdr 5 4.75-5.25 5 200 20 66 83 f 0509 xdr 5 4.75-5.25 9 111 12 70 83 f 0512 xdr 5 4.75-5.25 12 83 9 72 83 f 0515 xdr 5 4.75-5.25 15 67 7 73 250 f 1205 xdr 12 11.4-12.6 5 150 15 68 100 f 1205 xdr 12 11.4-12.6 5 200 20 67 83 f 1209 xdr 12 11.4-12.6 9 111 12 71 83 f 1212 xdr 12 11.4-12.6 12 83 9 73 83 f 1215 xdr 12 11.4-12.6 15 67 7 74 83 f 2405 xdr 24 22.8-25.2 5 150 15 68 83 f 2405 xdr 24 22.8-25.2 5 200 20 67 83 f 2409 xdr 24 22.8-25.2 9 111 12 72 83 f 2412 xdr 24 22.8-25.2 12 83 9 73 83 f 2415 xdr 24 22.8-25.2 15 67 7 74 300 * series f-xsr output pin -vout(5),+vout(7) eg: f0505xsr.5.7 model model selection selection f f 05 05 05 05 x x s s r r product series input voltage output voltage fixed input s ip package regulated output microdc r eserves the copyright fixed input,isolated®ulated single output dc/dc converter features features rohs compliant efficiency up to 86% sip/dip package wide temperature performance at full 1 watt load,-40 c to 85 c ul 94v-0 package material no heatsink required low ripple and good emc features industry standard pinout power sharing on output 3kvdc isolation continuous short circuit protection internal smd construction no external components required good dynamic feature description description the f -xsr & f -xdr 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 ? 5%); 2) where isolation is necessary between input and output (isolation voltage 3000vdc); 3) where the regulation of the output voltage and the output ripple noise are demanded. output output specifications specifications parameter test conditions min typ. max. units output power 0.1 1 w line regulation for vin change of 5% 0.25 % load regulation 10% to 100% full load 1 % output voltage accuracy 100% full load 3 % temperature drift 100% full load 0.03 %/ c output ripple* 20mhz bandwidth 1 0 2 0 mv p-p output noise* 20mhz bandwidth 50 100 mv p-p switching frequency full load,nominal input 100 khz * test ripple and noise by "parallel cable" method. see detailed operation instructions at testing of power converter section, application notes. isolation isolation spec spec f f ications ications parameter test conditions min. typ. max. units isolation test voltage flash tested for 1 minute and 1ma max 3 000 vdc isolation resistance test at viso=500vdc 1000 m
f f -x -x sr&f sr&f -x -x dr dr s s eries eries http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 2 of 2 temperature temperature characteristics characteristics parameter conditions min. typ. max. units storage humidity range 95 % n o-load power consumption c operating temperature -40 85 c storage temperature -55 125 c lead temperature 1.5mm from case for 10 seconds 15 300 temp.rise at full load 25 c cooling free air convection case material plastic(ul94-v0) short circuit protection if ( xx ) 05 x( s )d continuous others 1 * s mtbf 3500 k hours weight 5.2 g *supply voltage must be discontinued at the end of short circuit duration. filtering to get an extreme low 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 vin cin cin vout vout cout cout (vdc) ( f) (vdc) ( f) 5 4.7 5 10 12 2.2 9 4.7 24 1 .0 12 2.2 - - 15 1.0 it's not recommend to connect any external capacitor in the application field with less than 0.5 watt output. overload protection under normal operating conditions, the output circuit of these products has no protection against over-current and short-circuits.the simplest method is to connect a self-recovery fuse in series at the input end or add a circuit breaker to the circuit. 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! if the actual output power is very small, please connect a resistor with proper resistance at the output end in parallel to increase the load, or use our company s products with a lower rated output power (if_s(d)-w25 series). when the environment temperature is higher than 71 , the product output power should be less then 60% of the rated power. no parallel connection or plug and play. use dual output simultaneously, forbid opening output pin (0v) to use as single output. typical typical characteristics characteristics temperature derating graph outline outline dimensions dimensions & & pin pin connections connections f -xsr sip size graph f - xd r dip 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. footprint footprint details details pin function 1 gnd 2 nc 9 +v0 11 0v 14 vin footprint footprint details details pin function 1 vin 2 gnd 4 0v 6 +v0 recommended footprint top view,grid:2.54mm(0.1inch) diameter:1.00mm(0.039inch) 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)
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