lf200es low cost, 2w smt single output dc/dc con vert ers micropower direct 292 page street suite d stoughton, ma 02072 usa t: (781) 344-8226 f: (781) 344-8481 e: sales@micropowerdirect.com w: www.micropowerdirect.com electrical speci cations speci cations typical @ +25?, nominal input voltage & rated output current, unless otherwise noted. speci cations subject to change without notice. input parameter conditions min. typ. max. units input voltage range 5 vdc input 4.5 5.0 5.5 vdc 12 vdc input 10.8 12.0 13.2 reverse polarity input current 1.0 a input filter capacitor output parameter conditions min. typ. max. units output voltage accuracy ?.0 % line regulation for vin change of 1% ?.2 % load regulation for iout = 10% to 100% ? ?5 % output ripple (20 mhz) 75 150 mv p - p output noise (20 mhz) 150 250 mv p - p temperature coef cient ?.03 %/? output short circuit momentary (0.5 sec.) general parameter conditions min. typ. max. units isolation voltage 60 seconds 1,000 vdc isolation resistance 500 vdc 1,000 m isolation capacitance 100 khz, 1v 70 pf switching frequency 100 khz environmental parameter conditions min. typ. max. units operating temperature range ambient -40 +25 +85 ? storage temperature range -55 +125 ? cooling free air convection humidity rh, non-condensing 95 % physical case size 0.70 x 0.72 x 0.24 inches (17.78 x 18.03 x 6.0 mm) case material non-conductive black plastic (ul94-v0) weight 0.05 oz (1.5g) reliability speci cations parameter conditions min. typ. max. units mtbf mil hdbk 217f, 25?, gnd benign 3.5 mhours absolute maximum ratings parameter conditions min. typ. max. units input voltage surge (1 sec) 5 vdc input -0.7 7.0 vdc 12 vdc input -0.7 15.0 lead temperature 1.5 mm from case for 10 sec 260.0 ? internal power dissipation all models 450 mw caution: exceeding absolute maximum ratings may damage the module. these are not continuous operating ratings. key features: 2w output power ultra-miniature smt case 1,000 vdc isolation -40 c to +85 c operation single output low 0.24?pro le >3.5 mhour mtbf industry standard pin-out lowest cost! series www.micropowerdirect.com
model selection guide mechanical dimensions notes: all dimensions are typical in inches (mm) tolerance x.xx = 0.01 ( 0.25) pin 1 is marked by a ?ot or indentation on the unit board layout recommended solder pro le derating curve micropower direct we power your success - for less! 292 page street ste d stoughton, ma 02072 tel: (781) 344-8226 fax: (781) 344-8481 e-mail: sales@micropowerdirect.com www.micropowerdirect.com model number input output ef ciency (%, typ) fuse rating slow-blow (ma) voltage (vdc) current (ma) voltage (vdc) current (ma, max) current (ma, min) nominal range full-load no-load lf201es 5 4.5 - 5.5 494 30 5.0 400.0 40.0 81 500 lf202es 5 4.5 - 5.5 487 30 9.0 222.0 23.0 82 500 lf203es 5 4.5 - 5.5 477 30 12.0 167.0 17.0 84 500 lf204es 5 4.5 - 5.5 475 30 15.0 133.0 14.0 84 500 lf211es 12 10.8 - 13.2 203 15 5.0 400.0 40.0 82 200 lf212es 12 10.8 - 13.2 201 15 9.0 222.0 23.0 83 200 lf213es 12 10.8 - 13.2 197 15 12.0 167.0 17.0 85 200 lf214es 12 10.8 - 13.2 196 15 15.0 133.0 14.0 85 200 notes: 1. output load regulation is speci ed for a load change of 10% to 100%. 2. when measuring output ripple, it is recommended that an external 0.33 f ceramic capacitor be placed from the +vout pin to the -vout pin. 3. during operation, care must be taken not to exceed the speci ed input range of the unit or to allow the output load to drop below the speci ed minimum (10% of full load). operating the unit under either of these conditions could cause damage to the unit. 4. these converters are speci ed for operation without external components. however, in some ap- plications the addition of input/output capacitors will enhance stability and reduce output ripple. recommended capacitor values are: vin input capacitor vout output capacitor 5 vdc 4.7 f 5 vdc 4.7 f 12 vdc 2.2 f 9 vdc 2.2 f 12 vdc 1.0 f 15 vdc 0.47 f for applications requiring very low output noise levels, a simple lc lter should be effective. 5. it is recommended that a fuse be used on the input of a power supply for protection. see the model selection table above for the correct rating. pin connections pin function pin function 1-vin 8 nc 2+vin 9 nc 3nc 10nc 5nc 12nc 6 -vout 13 nc 7 +vout 14 nc nc = no connection
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