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| Thru-Hole Power Inductor ELECTRONICS INC. EPI AC1 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 KHz Switching Frequency * Low Cost Inductor Primary Specification Part Number EPI100452AC1 EPI150352AC1 EPI150352AC1 National Semiconductor Chip LM267X-L45 LM267X-L34 LM259X-L34 Induct. (H 15%) @ 0 Adc 13.5 20.0 20.0 DCR ( Typ.) 0.022 0.035 0.035 Induct. (H 10%) @ Idc 10 15 15 Idc (mA) 4500 3500 3500 Core Loss @ Vt1 @ Vt2 (mW) (mW) ----55 55 55 --Vt1 (V-Sec) 150 KHz ----12.7 Vt2 (V-Sec) 260 KHz 7.2 8.7 --Temp.Rise @ Vt1 @ Vt2 C (Typ.) C (Typ.) 45 --43 ----43 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 AC1V Pad Layout .185 (4.70) .060 O (1.52) .580 Max. (14.99) Package AC1 Pad Layout .060 O (1.52) .220 (5.59) Package AC1H .550 Max. (13.97) .250 Max. (6.35) .550 Max. (13.97) .360 9.14) .375 .125 (9.53 3.18) .465 (11.81) Pad Layout .550 Max. (13.97) .465 (11.81) .715 Max. (18.16) .375 .125 (9.53 3.18) .185 (4.70) .290 (7.37) .110/.150 (2.79/3.81) .220 (5.59) .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. CSIXXXXXXAC1 Rev. 3 2/22/05 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com |
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