document 267 specifications subject to change without notice. document 267-1 revised 02/19/03 this lumped-element (spice) model data simulates the frequency-dependent behavior of coilcraft power induc- tors within the frequency range shown in the accompa- nying table for each individual inductor. the data represents de-embedded measurements, as described below. effects due to different customer cir- cuit board traces, board materials, ground planes or interactions with other components are not included and can have a significant effect when comparing the simu- lation to measurements of the inductors using other production verification instruments and fixtures. lumped element modeling method measurements were made using a 50 ohm impedance analyzer. fixture compensation was performed to re- move fixture effects. no dc bias current was applied in any of the measurements. the lumped element values were determined by optimizing the simulation model to an average of the measurements. this method results in a model that represents as closely as possible the typical frequency-dependent behavior of the compo- nent within the model frequency range. the equivalent lumped element model schematic is shown below. each model should be analyzed only at the input and output ports. conclusions based on indi- vidual lumped element values may be erroneous. the value of the frequency-dependent variable resistor r var1 is calculated from: r var1 = k1 * ? k1 is shown for each value in the accompanying table. f is the frequency in hz r var1 is the resistance in ohms the value of the frequency-dependent variable resistor r var2 is calculated from: r var2 = k2 * k2 is shown for each value in the accompanying table. f is the frequency in hz r var2 is the resistance in ohms the value of the frequency-dependent inductance l var is calculated from: l var = k3 ? k4 * log (k5 * f) k3, k4, and k5 are shown in the accompanying table. f is the frequency in hz l var is the inductance in h disclaimer coilcraft makes every attempt to provide accurate mea- surement data and software, representative of our com- ponents, in a usable format. coilcraft, however, disclaims all warrants relating to the use of its data and software, whether expressed or implied, including without limitation any implied warranties of merchantability or fitness for a particular purpose. coilcraft cannot and will not be liable for any special, incidental, consequential, indirect or similar damages occurring with the use of the data and/ or software. cr1 r2 l var r var r var r var r var1 r var r var2 spice model C mos6020
spice model for coilcraft mos6020 power inductors frequency limit of model (mhz) l var coefficients part number lower upper r1 ( )r2( ) c (pf) k1 k2 k3 k4 k5 mos6020-222 0.1 100 30 0.035 0.850 1.00e-08 0.247 2.2 0.005 9.20e-06 mos6020-332 0.1 100 120 0.046 0.823 3.65e-05 0.435 3.3 0.001 3.00e-06 MOS6020-472 0.1 90 120 0.050 0.965 8.20e-05 0.680 4.7 0.030 9.40e-06 mos6020-682 0.1 80 132 0.078 1.19 1.00e-05 1.21 6.8 0.040 9.70e-06 mos6020-103 0.1 70 80 0.092 1.42 1.00e-05 1.45 10 0.059 9.78e-06 mos6020-153 0.1 60 60 0.130 1.31 1.06e-04 2.11 15 0.086 9.50e-06 mos6020-223 0.1 50 66 0.182 1.50 1.00e-05 4.18 22 0.130 9.80e-06 mos6020-333 0.1 40 110 0.290 1.51 1.00e-05 6.35 33 0.230 9.87e-06 mos6020-473 0.1 30 100 0.420 1.85 1.00e-05 7.54 47 0.306 9.80e-06 mos6020-683 0.1 20 115 0.520 1.81 1.00e-05 12.2 68 0.400 9.88e-06 mos6020-104 0.1 20 94 0.800 1.52 1.00e-05 16.3 100 0.680 9.87e-06 mos6020-154 0.1 20 240 1.28 1.94 1.00e-05 40 150 0.595 1.02e-05 mos6020-224 0.1 10 350 2.00 2.12 1.00e-05 80 220 0.600 1.06e-05 mos6020-334 0.1 10 400 2.84 1.84 1.00e-05 88 330 0.600 1.11e-05 mos6020-474 0.1 6 350 4.40 2.55 1.00e-05 280 470 0.600 1.43e-05 specifications subject to change without notice. document 267-37 revised 11/30/04 document 267
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