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| Surface Mount Power Inductor ELECTRONICS INC. EPI B44 Series * 150 KHz Switching Frequency for National's 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 * 500 KHz Switching Frequency Primary Specification www..com Part Number EPI0L8103B44 EPI1L5902B44 EPI2L2802B44 EPI3L3702B44 EPI4L5602B44 EPI6L5502B44 EPI100452B44 EPI150352B44 EPI220312B44 EPI330252B44 EPI470222B44 EPI560202B44 EPI680182B44 EPI101152B44 EPI151122B44 EPI221102B44 EPI331801B44 EPI471701B44 EPI681581B44 EPI102481B44 National Semiconductor Chip -------------LM259X-L34 LM259X-L33 LM259X-L32 LM259X-L31 --LM259X-L30 LM259X-L29 LM259X-L28 LM259X-L27 LM259X-L26 ------Induct. (H 15%) @ 0 Adc 0.92 1.60 2.55 4.31 5.74 8.26 13.5 20.0 29.5 45.0 63.75 77.0 95.0 140 202 303 451 645 930 1372 DCR ( Typ.) .0036 .0048 .0061 .0079 .009 .014 .022 .027 .043 .065 .077 .121 .122 .182 .284 .427 .650 .778 1.20 1.45 Induct. (H 15%) @ Idc .82 20% 1.5 20% 2.2 20% 3.3 4.5 6.5 10 15 22 33 47 56 68 100 150 220 330 470 680 1000 Idc (Amps) 10.0 9.0 8.0 7.0 6.0 5.0 4.5 3.5 3.1 2.5 2.2 2.0 1.8 1.5 1.2 1.0 0.8 0.7 0.58 0.48 Vt1 (V-Sec) @ 500 KHz 1.2 1.6 2.0 2.6 3.0 3.6 4.6 5.6 6.8 8.4 10.0 11.0 12.2 14.8 17.8 21.8 26.6 31.8 38.2 46.4 Vt2 (V-Sec) @ 150 KHz --------------13.3 16.7 20.0 24.7 --30 36.7 43.3 53.3 65.3 ------Temp.Rise @ Vt1 @ Vt2 C (Typ.) C (Typ.) --38 --40 --40 --40 --35 --37 --45 38 36 43 41 43 41 41 39 --44 42 40 43 41 43 41 45 42 44 42 --39 --41 --36 * Core Loss at Ref. Vt1 : 45 mW * Core Loss at Ref. Vt2 : 72 mW * Package B44 .575 (14.61) PCA EPIXXXXXXB44 D.C. Application .060 (1.52) Unregulated DC Input Feedback +Vin .600 (15.24) .550 (13.97) Suggested Pad Latout LM259X Vsw Output D1 1N5822 LX H + Regulated Output Load Cout Cin + .510 (12.95) Gnd On/Off .390 Max. (9.90) .510 (12.95) Note: Coplanarity within .005" Max. Unless Otherwise Specified Dimensions are in Inches /mm .010 /.25 PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 Product performance is limited to specified parameters. Data is subject to change without prior notice. CSIXXXXXXB44 Rev. 2 3/5/03 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com |
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