universal microelectronics 3,27th rd., taichung industrial park, taichung, taiwan, r.o.c. tel: 886-4-23590096 fax: 886-4-23590129 um2100 series 2 watt dc-dc converters ? 24-pin dip package ? high efficiency (up to 80%) ? regulated outputs ? pi input filter ? 3000 vdc isolation ? continuous short circuit protection ? conductive emi meets cispr22 class a specifications all specifications are typical at nominal line full load, and 25c unless otherwise noted. input specifications input voltage range .??? ????.. 5v .??? 4.5-5.5v 12v ??.??. 9-18v 24v .??.?. 18-36v 48v ??.?.. 36-72v input filter .???.????????...??.... pi network output specifications voltage accuracy .???? ..??.????... 2.0% max. voltage balance (dual) 1 ??.????...?....... 2.0% max. ripple and noise, 20mhz bw .???.?.... 60mv p-p max. temperature coefficient .????????...?. 0.05%/c short circuit protection ?????????..... continuous line regulation 2 .??????.???.?????... 0.5% load regulation 3 ??????.?..??????...... 0.5% general specifications efficiency ?????????????..??.?. see table isolation voltage .????????.??.... 3000 vdc min. isolation resistance ?????.?????. 10 8 ohms min. switching frequency .???..???.?.... 150khz-850khz (depending on loading) operating temperature range ambient, none derating ????..??.. -25c to +71c cooling .?????????.??.... free air convection storage temperature range .?????.. -40c to +100c humidity .??..??????.?? ???.... 95% r.h. max. dimensions case a ???????? 1.25*0.8*0.4 inches (31.8*20.3*10.2 mm) case material standard models ????. non-conductive black plastic ul94v-0 weight ????.????????????????... 15g notes 1. for common output models. 2. measured from high line to low line. 3. measured from full load to 10% load. free datasheet http://
universal microelectronics 3,27th rd., taichung industrial park, taichung, taiwan, r.o.c. tel: 886-4-23590096 fax: 886-4-23590129 input current model number input voltage output voltage output current no load full load case efficiency um2101 um2102 um2103 um2104 um2105 um2106 um2107 5 vdc 5 vdc 12 vdc 15 vdc 5 vdc 12 vdc 15 vdc 9 vdc 400 ma 160 ma 130 ma 200 ma 80 ma 65 ma 250 ma 110 ma 100 ma 110 ma 115 ma 130 ma 140 ma 105 ma 635 ma 550 ma 570 ma 665 ma 640 ma 640 ma 680 ma a 63% 70% 68% 60% 60% 60% 66% um2111 um2112 um2113 um2114 um2115 um2116 UM2117 12 vdc 5 vdc 12 vdc 15 vdc 5 vdc 12 vdc 15 vdc 9 vdc 400 ma 160 ma 130 ma 200 ma 80 ma 65 ma 250 ma 50 ma 50 ma 50 ma 65 ma 70 ma 80 ma 50 ma 230 ma 215 ma 215 ma 250 ma 245 ma 240 ma 250 ma a 72% 75% 75% 67% 65% 67% 75% um2121 um2122 um2123 um2124 um2125 um2126 um2127 24 vdc 5 vdc 12 vdc 15 vdc 5 vdc 12 vdc 15 vdc 9 vdc 400 ma 160 ma 130 ma 200 ma 80 ma 65 ma 250 ma 30 ma 30 ma 30 ma 35 ma 35 ma 35 ma 30 ma 115 ma 105 ma 105 ma 135 ma 115 ma 115 ma 120 ma a 73% 78% 78% 72% 70% 70% 78% um2131 um2132 um2133 um2134 um2135 um2136 48 vdc 5 vdc 12 vdc 15 vdc 5 vdc 12 vdc 15 vdc 400 ma 160 ma 130 ma 200 ma 80 ma 65 ma 5 ma 10 ma 10 ma 15 ma 15 ma 15 ma 55 ma 50 ma 50 ma 57 ma 57 ma 56 ma a 75% 80% 80% 73% 70% 72% case a pin connections pin single output dual output common 1 dual output separated 2 2 3 -v input -v input -v input -v input -v input -v input 9 10 11 nc* nc* nc* common nc* -v output +v2 output nc* -v2 output 14 15 16 +v output nc* -v output +v output nc* common +v1 output nc* -v1 output 22 23 + v input + v input + v input + v input + v input + v input *nc(no connection) notes:1. 5v output models with common output with separated output, suffix a ?s? to the model number. 12v, 15v output models with separated output with common output, suffix a ?c? to the model number. a ll dimensions in inches(mm) note 1:cut-corner marking for pin no.1 note 2:pin size is 0.0200.005 inches (0.5 mm) dia. or 0.020*0.012 inch note 3:tolerance .xx =0.04? .xxx =0.010? free datasheet http://
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