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| Thru-Hole Power Inductor ELECTRONICS INC. EPI AC3 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 & 500 KHz Switching Frequency * Low Cost Inductor Primary Specification Part Number EPI220502AC3 EPI330402AC3 EPI330352AC3 EPI470352AC3 EPI680302AC3 EPI680352AC3 EPI101252AC3 EPI151202AC3 EPI221152AC3 National Semiconductor Chip Induct. (H 20%) @ 0 Adc DCR ( Typ.) Induct. (H 15%) @ Idc Idc (mA) Core Loss @ Vt1 @ Vt2 (mW) (mW) Vt1 (V-Sec) 150 KHz Vt2 (V-Sec) 260 KHz 23.1 23.1 27.0 ----28.5 --30.8 --12.7 -----Temp.Rise @ Vt1 @ Vt2 C (Typ.) C (Typ.) --35 --35 --34 31 --42 ----42 37 ----37 43 ----44 33 --43 --39 --- 0.025 290 22 --5000 27 --LM267X-L41 0.025 290 22 --5000 27 --LM267X-L50 0.038 260 --33 4000 40 --LM267X-L40 0.046 --33.4 33 3500 38 210 LM259X-L40 0.074 --40.0 47 3500 60 185 LM259X-L39 0.074 185 --47 3500 60 --LM267X-L39 0.090 --46.7 68 3000 87 155 LM259X-L38 0.090 155 --68 3000 87 --LM267X-L38 0.091 --26.7 68 3500 91 45 LM267X-L44 0.091 60 --68 3500 91 --LM259X-L44 0.110 --55.4 100 2500 128 155 LM259X-L37 0.260 --56.7 150 2000 194 113 LM259X-L36 0.394 -73.4 220 1500 265 134 LM259X-L35 For no header version : add "V" for Vertical Mount and add "H" for Horizonal Mount Applications Unregulated DC Input Feedback +Vin Regulated Output Load + Cout On/Off Gnd CB Vin 8V-40V + Cin FB LM259X Vsw Output D1 1N5822 LX H LM267X Vsw 10nF LX H + Vout Cout Cin + D1 Gnd On/Off Package AC3V Pad Layout .470 Max. (11.94) .840 Max. (21.33) .280 (7.11) .060 O (1.52) .840 Max. (21.33) Package AC3 Pad Layout .060 O (1.52) .300 (7.62) Package AC3H .840 Max. (21.33) .470 Max. (11.94) .375 .125 (9.53 3.18) .720 (18.29) Pad Layout .840 Max. (21.33) .720 (18.29) .950 Max. (24.13) .375 .125 (9.53 3.18) .280 (7.11) .415 (10.54) .110/.150 (2.79/3.81) .300 (7.62) .060 O (1.52) 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. CSIXXXXXXAC3 Rev. 5 2/22/05 FT TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com |
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