LM259X-L35

Surface Mount Power Inductor ELECTRONICS INC. EPI BH68 & EPI BH68-LF Series • Optimized for National’s LM267X & 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 & 260 KH KHz Switching Frequency • Add “-LF” after part number for Lead-Free • Low Cost Inductor Primary Specification Part Number EPI6L5972BH68 EPI220502BH68 EPI330402BH68 EPI330352BH68 EPI470352BH68 EPI680302BH68 EPI680352BH68 EPI101252BH68 EPI151202BH68 EPI221152BH68 National Semicon. Chip --LM267X-L41 LM267X-L50 LM267X-L40 LM259X-L40 LM259X-L39 LM267X-L39 LM259X-L38 LM267X-L38 LM267X-L44 LM259X-L44 LM259X-L37 LM259X-L36 LM259X-L35 Inductance (µH ± 20%) @ 0 Adc 6.53 27 27 40 38 60 60 87 87 91 91 128 194 265 DCR (Ω Typ.) 0.006 0.025 0.025 0.038 0.046 0.074 0.074 0.090 0.090 0.091 0.091 0.110 0.260 0.394 Idc (mA) 9700 5000 5000 4000 3500 3500 3500 3000 3000 3500 3500 2500 2000 1500 Inductance (µH ± 15%) @ Idc 5.16 22 22 33 33 47 47 68 68 68 68 100 150 220 Core Loss @ Vt1 @ Vt2 (mW) (mW) 137 ------210 185 --155 --45 --155 113 134 --290 290 260 ----185 --155 --60 ------- Vt1 (V-µsec) 150 KHz 12.0 ------33.4 40.0 --46.7 --26.7 --55.4 56.7 73.4 Vt2 (V-µsec) 260 KHz --23.1 23.1 27.0 ----28.5 --30.8 --12.7 ------- Temp. Rise @ Vt1 @ Vt2 °C (Typ.) °C (Typ.) 32 ------31 42 --37 --43 --33 43 39 --35 35 34 ----42 --37 --44 ------- Package BH68 .940 Max. (23.88) Pin 1 I.D. .940 Max. (23.88) .080 (2.03) Vin PCA CSIXXXXXXBH68 D.C. Applications CB FB LM267X Vsw .700 (17.18) Pad Layout 8V-40V + Cin 10nF LX µH + Vout Cout D1 .830 (21.08) On/Off Unregulated DC Input Gnd Feedback +Vin .390 Max. (9.91) *Seating Plane .830 (21.08) LM259X Vsw Output D1 1N5822 LX µH + Regulated Output Load Cout Cin + *Coil must clear Seating Plane by .010/0.25 Coplanarity : .005/.013 Gnd On/Off Notes : 1. Assembly Process (Solder Composition) EPIXXXXXXBH68 (Assembly Solder) SnPb 225°C (+0/-5°C) (unlimited, ≤30°C/85%RH) EPIXXXXXXBH68-LF Sn 260°C (+0°C) (unlimited, ≤30°C/85%RH) 2. Peak Solder Rating (per IPC/JEDEC J-STD-020C) 3. Moisture Sensitive Levels (MSL) (per IPC/JEDEC J-STD-020C) 1 1 4. Weight 5. Packaging Information (Tray) (Tape & Reel) 19.4 grams 48 pieces pieces/13” reel (*EPIXXXXXXBH68-TR) 19.4 grams 48 pieces pieces/13” reel (*EPIXXXXXXBH68-LFTR) 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. CSIXXXXXXBH68 & -LF Rev. 7/2705 FT TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com