if if if if if if if if -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 s s eries eries http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 1 of 2 order code input output efficiency (%,typ) switching frequency (khz,typ) voltage (vdc) voltage (vdc) current(ma) nominal range max min if0505 x s-2w 5 4.75-5.25 5 400 40 70 333 if1205 x s-2w 12 11.4-12.6 5 400 40 70 58 if2405 x s-2w 24 22.8-25.2 5 400 40 71 66 model model model model model model model model selection selection selection selection selection selection selection selection if if if if if if if if 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 s ip package rated power fixed input,isolated & regulated single output dc/dc converter features features features features features features features features rohs compliant efficiency up to 8 4 % sip package wide temperature performance at full 2 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 3 kvdc isolation continuous short circuit protection internal smd construction no external components required good dynamic feature selection selection selection selection selection selection selection selection guide guide guide guide guide guide guide guide microdc reserves the copyright description description description description description description description description the if_ x s-2w 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 output output output output output output specifications specifications specifications specifications specifications specifications specifications specifications parameter test conditions min typ. max. units output power 0.2 2 w line regulation for vin change of 5% 0.5 % load regulation 10% to 100% full load 1.5 % output voltage accuracy 100% full load 3 % temperature drift 100% full load 0.03 %/ c output ripple* 20mhz bandwidth 2 0 30 mv p-p output noise* 20mhz bandwidth 50 150 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 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 3 000 vdc isolation resistance test at viso=500vdc 1000 m isolation capacitance 60 pf
if if if if if if if if -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 s s eries eries http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 2 of 2 temperature temperature temperature temperature temperature temperature temperature temperature characteristics characteristics characteristics characteristics characteristics characteristics characteristics characteristics parameter parameter parameter parameter conditions conditions conditions conditions min. min. min. min. typ. typ. typ. typ. max. max. max. max. units units units units storage humidity range 95 % n o-load power consumption 10 c operating temperature -40 85 c storage temperature -55 125 c lead temperature 1.5mm from case for 10 seconds 300 temp.rise at full load 40 58 c 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. recommended recommended recommended recommended 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 cin cin vout vout cout cout (vdc) ( f) (vdc) ( f) 5 4.7 5 4.7 12 2.2 - - 24 0.47 - - it's not recommend to connect any external capacitor in the application field with less than 0.5 watt output. overload overload overload overload protection protection protection protection u n der 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. input input input input over-voltage over-voltage over-voltage over-voltage protection protection protection protection circuit circuit circuit circuit the simplest device for input over-voltage protection is a linear voltage regulator with overheat protection that is connected to the input end in series(figure 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 then then then then 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. use use use use dual dual dual dual output output output output simultaneously,forbid simultaneously,forbid simultaneously,forbid simultaneously,forbid opening opening opening opening output output output output pin pin pin pin (0v) (0v) (0v) (0v) to to to to use use use use as as as as single single single single output. output. output. output. typical typical typical typical typical typical typical typical characteristics characteristics characteristics characteristics characteristics characteristics characteristics characteristics temperature temperature temperature temperature derating derating derating derating graph graph graph 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 if if if if - - - - xs- xs- xs- xs- 2 2 2 2 w w w w sip sip sip sip size graph 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) recommended footprint top view,grid:2.54mm(0.1inch) diameter:1.00mm(0.039inch) microdc professional power 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. footprint footprint footprint footprint footprint footprint footprint footprint details details details details details details details details pin pin pin pin function function function function 1 vin 2 gnd 4 0v 6 +v0
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