EPI681581B44-LF

Surface Mount Power Inductor ELECTRONICS INC. EPI B44 & EPI B44-LF 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 • Add “-LF” after part number for Lead-Free • 500 KHz Switching Frequency Primary Specification Part Number EPI0L8103B44(-LF) EPI1L5902B44(-LF) EPI2L2802B44(-LF) EPI3L3702B44(-LF) EPI4L5602B44(-LF) EPI6L5502B44(-LF) EPI100452B44(-LF) EPI150352B44(-LF) EPI220312B44(-LF) EPI330252B44(-LF) EPI470222B44(-LF) EPI560202B44(-LF) EPI680182B44(-LF) EPI101152B44(-LF) EPI151122B44(-LF) EPI221102B44(-LF) EPI331801B44(-LF) EPI471701B44(-LF) EPI681581B44(-LF) EPI102481B44(-LF) National Semiconductor Chip -------------LM259X-L34 LM259X-L33 LM259X-L32 LM259X-L31 --LM259X-L30 LM259X-L29 LM259X-L28 LM259X-L27 LM259X-L26 ------Induct. (µH ± 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 (Ω Typ.) .0036 .0048 .0061 .0079 .009 .014 .022 .027 .043 .065 .077 .121 .122 .182 .284 .427 .650 .778 1.20 1.45 Induct. (µH 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-µSec) @ 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-µSec) @ 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 --36 38 41 43 41 43 39 41 44 --40 42 41 43 41 43 42 45 42 44 39 --41 --36 --- • Core Loss at Ref. Vt1 : 45 mW • Core Loss at Ref. Vt2 : 72 mW • .575 (14.61) PCA EPIXXXXXXB44(-LF) D.C. Package B44 .060 (1.52) Unregulated DC Input .600 (15.24) .550 (13.97) Suggested Pad Latout Application Feedback +Vin Regulated Output Load + Cout LM259X Vsw Output D1 1N5822 LX µH Cin + .510 (12.95) Gnd On/Off .390 Max. (9.90) .510 (12.95) EPIXXXXXXB44 SnPb 225°C TBD grams TBD pieces/tube TBD pieces/13” reel (*EPIXXXXXXB44TR) Note: Coplanarity within .005” Max. Notes : 1. Lead Finish EPIXXXXXXB44-LF Hot Tin Dip (Sn) 260°C TBD grams TBD pieces/tube TBD pieces/13” reel (*EPIXXXXXXB44TR-LF) 2. Peak Temperature Rating 3. Weight (Tube) 4. Packaging Information (*Add “TR” to end of part number, but (Tape & Reel) in front of “-LF”when placing order) 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 & -LF Rev. 3 9/18/06 RR TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com