key features: ? 1w output power ? ultra-miniature sip case ? 35 standard models ? 1,000 vdc isolation ? >1.1 mhour mtbf ? -40c to +85c operation me100s low cost, 1w ultra-miniature sip dc/dc con vert ers input parameter conditions min. typ. max. units input voltage range 3.3 vdc input 2.97 3.3 3.63 vdc 5 vdc input 4.50 5.0 5.50 12 vdc input 10.80 12.0 13.20 24 vdc input 21.60 24.0 26.40 48 vdc input 43.20 48.0 52.80 input re? ected ripple current 20 ma p - p input filter internal capacitor output parameter conditions min. typ. max. units output voltage accuracy 3.0 % line regulation for v in change of 1% 1.2 % load regulation, see note 1 see model selection guide ripple & noise (20 mhz) 100 mv p - p temperature coef? cient 0.02 %/c 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 60 pf switching frequency 80 khz emi characteristics, see note 3 parameter conditions min. typ. max. units radiated emissions en 55022 class b conducted emissions en 55022 class b esd en 61000-4-2 criteria a; 8 kv air/6 kv contact rs en 61000-4-3 criteria a; 10v/m eft en 61000-4-4 criteria a; 2 kv surge en 61000-4-5 criteria a; 0.5 kv cs en 61000-4-6 criteria a; 10 vrms pfmf en 61000-4-8 criteria a; 1a/m environmental parameter conditions min. typ. max. units operating temperature range ambient -40 +85 c operating temperature range case +100 c storage temperature range -40 +125 c cooling free air convection humidity rh, non-condensing 95 % physical case size 48 v in models 0.46 x 0.29 x 0.40 inches (11.68 x 7.5 x 10.2 mm) all other models 0.46 x 0.24 x 0.40 inches (11.68 x 6.0 x 10.2 mm) case material non-conductive black plastic (ul-94v0) weight 0.05 oz (1.5g) reliability speci cations parameter conditions min. typ. max. units mtbf mil hdbk 217f, 25c, gnd benign 1.121 mhours absolute maximum ratings parameter conditions min. typ. max. units input voltage surge (1 sec) 3.3 vdc input -0.0 6.0 vdc 5 vdc input -0.0 7.0 12 vdc input -0.0 15.0 24 vdc input -0.0 28.0 48 vdc input -0.0 54.0 lead temperature 1.5 mm from case for 10 sec 260 c caution: exceeding absolute maximum ratings may damage the module. these are not continuous operating ratings. series 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.
notes: 1. output load regulation is speci ed for a load change of 20% to 100%. 2. operation at no-load will not damage these units. however, they may not meet all speci cations. 3. these converters will operate without external components. however, to meet the speci ed emi limits, a simple external input lter is required. see the input lter note below for more information. 4. all units are rated for operation at full output power to +85 c. operation over +85 c without air ow is not recommended. output power should be derated linearly from 100% at 85 c to 0% at 100 c. 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 notes: all dimensions are typical in inches (mm) tolerance x.xx = ?.02 (?.50) pin 1 is marked by a ?ot or indentation on the front of the unit model number input output load regulation (% typ) ef ciency (%, typ) capacitive load (?, max) fuse rating slow-blow (ma) voltage (vdc) current (ma) voltage (vdc) current (ma, max) nominal range full-load no-load me103s-03 3.3 2.97 - 3.63 421 25 3.3 303.0 20 72 220 1,000 me103s-05 3.3 2.97 - 3.63 394 25 5.0 200.0 ?0 77 220 1,000 me103s-09 3.3 2.97 - 3.63 404 30 9.0 111.0 ?0 75 220 1,000 me103s-12 3.3 2.97 - 3.63 473 45 12.0 100.0 ?0 77 220 1,000 me103s-15 3.3 2.97 - 3.63 384 35 15.0 67.0 ?0 79 220 1,000 me103s-18 3.3 2.97 - 3.63 399 35 18.0 56.0 ?0 76 220 1,000 me103s-24 3.3 2.97 - 3.63 461 53 24.0 50.0 ?0 79 220 1,000 me105s-03 5.0 4.5 - 5.5 257 20 3.3 303.0 ?0 78 220 750 me105s-05 5.0 4.5 - 5.5 247 25 5.0 200.0 ?0 81 220 750 me105s-09 5.0 4.5 - 5.5 250 26 9.0 111.0 ?0 80 220 750 me105s-12 5.0 4.5 - 5.5 300 25 12.0 100.0 ?0 80 220 750 me105s-15 5.0 4.5 - 5.5 244 35 15.0 67.0 ?0 82 220 750 me105s-18 5.0 4.5 - 5.5 247 25 18.0 56.0 ?0 81 220 750 me105s-24 5.0 4.5 - 5.5 289 35 24.0 50.0 ?0 83 220 750 me112s-03 12 10.8 - 13.2 107 15 3.3 303.0 20 78 220 250 me112s-05 12 10.8 - 13.2 105 16 5.0 200.0 ?0 79 220 250 me112s-09 12 10.8 - 13.2 107 15 9.0 111.0 ?0 78 220 250 me112s-12 12 10.8 - 13.2 125 15 12.0 100.0 ?0 80 220 250 me112s-15 12 10.8 - 13.2 105 15 15.0 67.0 ?0 79 220 250 me112s-18 12 10.8 - 13.2 104 20 18.0 56.0 ?0 80 220 250 me112s-24 12 10.8 - 13.2 123 25 24.0 50.0 ?0 81 220 250 me124s-03 24 21.6 - 26.4 54 8 3.3 303.0 ?0 77 220 150 me124s-05 24 21.6 - 26.4 52 8 5.0 200.0 ?0 80 220 150 me124s-09 24 21.6 - 26.4 54 7 9.0 111.0 ?0 77 220 150 me124s-12 24 21.6 - 26.4 62 8 12.0 100.0 ?0 80 220 150 me124s-15 24 21.6 - 26.4 51 8 15.0 67.0 ?0 81 220 150 me124s-18 24 21.6 - 26.4 52 8 18.0 56.0 ?0 80 220 150 me124s-24 24 21.6 - 26.4 60 9 24.0 50.0 ?0 83 220 150 me148s-03 48 43.2 - 52.8 29 6 3.3 303.0 20 73 220 100 me148s-05 48 43.2 - 52.8 28 6 5.0 200.0 ?0 74 220 100 me148s-09 48 43.2 - 52.8 27 5 9.0 111.0 ?0 78 220 100 me148s-12 48 43.2 - 52.8 32 5 12.0 100.0 ?0 77 220 100 me148s-15 48 43.2 - 52.8 27 5 15.0 67.0 ?0 76 220 100 me148s-18 48 43.2 - 52.8 28 8 18.0 56.0 ?0 75 220 100 me148s-24 48 43.2 - 52.8 31 8 24.0 50.0 ?0 80 220 100 mechanical dimensions pin description 1-v in 2+v in 3-v out 4+v out pin connections www.micropowerdirect.com input filter for 48vdc input models the width of the unit is 0.29 (7.5) and the pins are set 0.08 (2.0) from the edge of the case. these dimensions are identi ed with an ? on the mechanical drawing v in (vdc) c 1 ( f) l 1 ( h) c 2 ( f) c 3 (pf) 3.3 2.2 18.0 5.0 2.2 18.0 12 2.2 18.0 24 2.2 18.0 2.2 470 48 10.0 18.0 2.2 470 the filter (c 1 , c 2, c 3 & l 1 ) shown in the figure above is required to meet en 55022 level b. recommended component values are shown in the table at right. capacitor c 1 is a 1210, 100v/ceramic, except for the 48v input which is a 100v/electrolytic. capacitor c 2 is a 1210 100v/ceramic. capacitor c 3 is a 1206 2 kv/ceramic. capacitor c 4 is added to meet en 61000-4-4 and en 61000-4-5. this capacitor is a 470 f, 100v/electro- lytic. all components should be mounted as c lose to the unit as possible. pin d escr ip t i on 1 - v in 2 + v in 3 - v out 4 + v out pin c onnecti on for 48vd c in p ut models the width of t un i t i s 0.29 ( 7.5 ) an d t h e p i ns are set 0. ( 2.0) f rom the edge o f the case. the dim ens ion s are ide nti ? dw ith an ? 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
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