lf200ed low cost, 2w smt dual output dc/dc con vert ers www.micropowerdirect.com 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, see note 1 see model selection table ripple & noise (20 mhz) see note 2 75 150 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 70 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 0.70 x 0.24 inches (17.78 x 17.78 x 6.0 mm) case material non-conductive black plastic (ul94-v0) weight 0.07 oz (2.1g) 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 300.0 ? 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 low 0.24?pro le >3.5 mhour mtbf industry standard pin-out series
model number input output load regulation 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 (%, typ) (%, max) lf201ed 5 4.5 - 5.5 244 30 ?.0 ?00.0 ?0.0 12.8 15.0 82 500 lf202ed 5 4.5 - 5.5 241 30 ?.0 ?11.0 ?1.0 8.3 15.0 83 500 lf203ed 5 4.5 - 5.5 238 30 ?2.0 ?3.0 ?.0 6.8 15.0 84 500 lf204ed 5 4.5 - 5.5 244 30 ?5.0 ?7.0 ?.0 6.3 15.0 82 500 lf211ed 12 10.8 - 13.2 100 15 ?.0 ?00.0 ?0.0 12.8 15.0 83 200 lf212ed 12 10.8 - 13.2 99 15 ?.0 ?11.0 ?1.0 8.3 15.0 84 200 lf213ed 12 10.8 - 13.2 99 15 ?2.0 ?3.0 ?.0 6.8 15.0 84 200 lf214ed 12 10.8 - 13.2 98 15 ?5.0 ?7.0 ?.0 6.3 15.0 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 each output to common. 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 applications 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. 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 pin description pin description 1-vin 8 nc 2+vin 9 nc 3 nc 10 -vout 5 -vout 12 nc 6 common 13 nc 7 +vout 14 nc nc = no connection pin connections recommended solder pro le derating curve www.micropowerdirect.com 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
|
