VLS3012 TYPE Under Development!! Component Image & Dimensions SMD Power Inductor Features : a) Miniature Size : Mount Area : 3.0mm x 3.0mm Low Profile : 1.2mm Max. Height Pb Free!! 1.2mm Max b) Generic use for portable DC/DC Converter. c) High Magnetic Shield Construction should actualize High Resolution for EMC Protection. 3.0+/-0.1mm 3.0+/-0.1mm d) Automatic Mounting in Tape&Reel Package. Applications : DVC , DSC , PDA, LCD Display Cellular Phone, HDD etc. unit: mm Electrical Specification TDK Identification Inductance [H] Tol. (%) Test Freq. DC Resistance [Ohm] Rated DC Current [A] Idc1 Idc2 [MHz] (Max.) (Typ.) (Max.) (Typ.) (Typ.) VLS3012T- 1R0N2R2 1.0+/ - 30% 1.0 0.070 0.058 2.2 2.5 2.2 VLS3012T- 1R5N1R7 1.5+/ - 30% 1.0 0.082 0.068 1.7 1.9 2.0 VLS3012T- 2R2M1R5 2.2+/ - 20% 1.0 0.098 0.082 1.5 1.7 1.9 VLS3012T- 3R3M1R3 3.3+/ - 20% 1.0 0.120 0.100 1.3 1.5 1.7 VLS3012T- 4R7M1R0 4.7+/ - 20% 1.0 0.156 0.130 1.0 1.2 1.4 VLS3012T- 6R8MR90 6.8+/ - 20% 1.0 0.228 0.190 0.9 1.0 1.2 VLS3012T- 100MR72 10+/ - 20% 1.0 0.336 0.280 0.72 0.8 1.0 VLS3012T- 150MR58 15+/ - 20% 1.0 0.528 0.440 0.58 0.65 0.81 VLS3012T- 220MR49 22+/ - 20% 1.0 0.756 0.630 0.49 0.55 0.67 VLS3012T- 330MR40 33+/ - 20% 1.0 1.248 1.040 0.40 0.45 0.52 VLS3012T- 470MR34 47+/ - 20% 1.0 1.512 1.260 0.34 0.38 0.48 Note) Idc 1 : Depend on the Inductance Saturation. (-30% Reduction from Nominal L Value) Idc 2 : Depend on the Self Temperature Rise (40deg.C Typ.) Operating Temperature Range : -40deg. C ~ +105deg.C (including Self Temp. Rise) as of Dec.2006 INDUCTANCE VS. DC SUPERPOSITION CHARACTERISTICS Inductance vs D.C. Current Comparison VLS3012T-100MR72 12 10 8 L[uH] L[uH] VLS3012T-1R0N2R2 1.2 1.0 0.8 0.6 0.4 0.2 0.0 6 4 2 0 0 500 1000 1500 Idc[mA] 2000 2500 0 100 200 300 5 0 500 1000 Idc[mA] 1500 2000 0 100 200 L[uH] 1.5 1.0 0.5 0.0 0 500 1000 Idc[mA] 1500 0 100 200 VLS3012T-3R3M1R3 L[uH] 2.0 1.0 0.0 400 600 800 Idc[mA] 600 700 300 Idc[mA] 400 500 600 VLS3012T-330MR40 3.0 200 500 28 24 20 16 12 8 4 0 2000 4.0 0 300 400 Idc[mA] VLS3012T-220MR49 2.0 1000 1200 35 30 25 20 15 10 5 0 1400 0 100 200 VLS3012T-4R7M1R0 300 Idc[mA] 400 500 600 VLS3012T-470MR34 60 4.0 50 3.0 40 L[uH] 5.0 2.0 1.0 30 20 10 0.0 0 0 200 400 600 800 Idc[mA] 1000 1200 1400 0 50 100 150 200 Idc[mA] 250 300 350 VLS3012T-6R8MR90 L[uH] 800 10 VLS3012T-2R2M1R5 L[uH] 700 15 2.5 L[uH] 600 20 0 L[uH] 500 VLS3012T-150MR58 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 L[uH] L[uH] VLS3012T-1R5N1R7 400 Idc[mA] 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 TEST CIRCUITC=20,000F A 2 L=0.1H 1 Sample 0 200 400 Idc[mA] 600 800 1000 1. LCR METER 4285A f=1MHf=100kHz 2. DC CONSTANT CURRENT 400