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.) Idc (mA) 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 9700 5000 5000 4000 3500 3500 3500 3000 3000 3500 3500 2500 2000 1500 Core Loss @ Vt1 @ Vt2 (mW) (mW) Inductance (µH ± 15%) @ Idc 5.16 22 22 33 33 47 47 68 68 68 68 100 150 220 137 ------210 185 --155 --45 --155 113 134 --23.1 23.1 27.0 ----28.5 --30.8 --12.7 ------- 32 ------31 42 --37 --43 --33 43 39 FB Vin LM267X 8V-40V + Cin Pad Layout .700 (17.18) 10nF Vsw LX µH Vout + D1 .830 (21.08) On/Off Unregulated DC Input .390 Max. (9.91) *Seating Plane .830 (21.08) Cin LM259X Vsw + Output Notes : + Cout On/Off EPIXXXXXXBH68 EPIXXXXXXBH68-LF SnPb Sn 225°C (+0/-5°C) 260°C (+0°C) (Assembly Solder) Regulated Output Load LX µH D1 1N5822 Gnd Cout Gnd Feedback +Vin *Coil must clear Seating Plane by .010/0.25 Coplanarity : .005/.013 1. Assembly Process --35 35 34 ----42 --37 --44 ------- CB .080 (2.03) .940 Max. (23.88) 12.0 ------33.4 40.0 --46.7 --26.7 --55.4 56.7 73.4 Temp. Rise @ Vt1 @ Vt2 °C (Typ.) °C (Typ.) Applications .940 Max. (23.88) PCA CSIXXXXXXBH68 D.C. Vt2 (V-µsec) 260 KHz --290 290 260 ----185 --155 --60 ------- Package BH68 Pin 1 I.D. Vt1 (V-µsec) 150 KHz (Solder Composition) 2. Peak Solder Rating (per IPC/JEDEC J-STD-020C) 3. Moisture Sensitive Levels (MSL) 1 (per IPC/JEDEC J-STD-020C) (unlimited, ≤30°C/85%RH) 19.4 grams 19.4 grams 4. Weight 5. Packaging Information 1 (unlimited, ≤30°C/85%RH) (Tray) 48 pieces 48 pieces pieces/13” reel pieces/13” reel (*EPIXXXXXXBH68-TR) (*EPIXXXXXXBH68-LFTR) (Tape & Reel) 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