e l e c t r o n i c s i n c . surface mount power inductor tel: (818) 892-0761 fax: (818) 894-5791 http://www.pca.com pca electronics, inc. 16799 schoenborn st. north hills, ca 91343 ? optimized for nationals lm259x series ? low loss material ensures operation in high frequency switching converters, such as buck, boost or as output averaging filter inductor ? also suitable for use in high quality filter applications ? 150 khz & 500 khz switching frequency ? low cost inductor epi b20 series product performance is limited to specified parameters. data is subject to chan g e without prior notice. primary specification unless otherwise specified dimensions are in inches /mm .010 /.25 csixxxxxxb20 rev. 3 3/5/03 1.05 5.2 7.5 10.9 16.8 25 36.5 51.6 75 110 166 248 induct. (h 20%) @ 0 adc dcr ( ? typ.) .011 .051 .061 .094 .148 .224 .343 .408 .625 .958 1.476 2.225 vt1 (v-sec) 150 khz --- --- --- --- --- 6.6 8.0 9.3 11.3 14 17 20.6 @ vt1 c (typ.) --- --- --- --- --- 42 38 34 37 37 37 40 induct. (h 15%) @ idc 0.9 4.7 6.8 10 15 22 33 47 68 100 150 220 part number epi1l0342b20 epi4l7122b20 EPI6L8951B20 epi100801b20 epi150701b20 epi220601b20 epi330441b20 epi470371b20 epi680321b20 epi101261b20 epi151211b20 epi221181b20 core loss idc (ma) 3400 1200 950 800 700 600 440 370 320 260 210 180 vt2 (v-sec) 260 khz 0.5 2.0 2.4 3.0 3.6 --- --- --- --- --- --- --- national semiconductor chip --- --- --- --- --- lm259x-l7 lm259x-l6 lm259x-l5 lm259x-l4 lm259x-l3 lm259x-l2 lm259x-l1 @ vt2 c (typ.) 54 40 34 35 40 --- --- --- --- --- --- --- temp.rise --- --- --- --- --- 23.4 23.4 23.4 23.4 23.4 23.4 23.4 @ vt1 (mw) @ vt2 (mw) 6.5 23.4 23.4 23.4 23.4 --- --- --- --- --- --- --- package b20 .330 (8.83) .260 (6.60) .330 (8.38) .270 (6.86) .300 (7.62) .060 (1.52) suggested pad latout .270 max. (6.86) note: coplanarity within .005 max. pca epixxxxxxb20 d.c. application +vin regulated output load lx h d1 1n5822 cin cout feedback output vsw on/off gnd lm259x + + unregulated dc input
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