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LPD4012-333MR_ Datasheet(PDF) 2 Page - Coilcraft lnc. |
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LPD4012-333MR_ Datasheet(HTML) 2 Page - Coilcraft lnc. |
2 / 3 page Coupled Inductors for SEPIC Applications–LPD4012 Series Document 580-2 Revised 02/15/11 Document 580-2 Document 580-2 Revised 11/09/15 Coupled Inductor Core and Winding Loss Calculator This web-based utility allows you to enter frequency, peak-to-peak (ripple) current, and Irms current to predict temperature rise and overall losses, including core loss. Go to online calculator. Coupling Leakage Isat (A)6 Irms (A) Inductance2 DCR max3 SRF typ4 coefficient L typ5 10% 20% 30% both one Part number1 (µH) (Ohms) (MHz) typ (µH) drop drop drop windings7 winding8 LPD4012-331NR_ 0.33 ±30% 0.042 255 0.94 0.06 5.2 5.4 5.6 1.87 2.65 LPD4012-561NR_ 0.56 ±30% 0.087 185 0.95 0.08 3.7 3.8 3.9 1.30 1.84 LPD4012-821NR_ 0.82 ±30% 0.100 130 0.97 0.09 3.2 3.3 3.4 1.21 1.72 LPD4012-152NR_ 1.5 ±30% 0.185 86 0.97 0.11 2.50 2.81 2.91 1.15 1.62 LPD4012-222NR_ 2.2 ±30% 0.235 70 0.98 0.14 2.30 2.40 2.50 0.95 1.35 LPD4012-332NR_ 3.3 ±30% 0.320 48 0.98 0.16 1.80 1.90 2.00 0.75 1.06 LPD4012-472MR_ 4.7 ±20% 0.500 39 0.98 0.18 1.60 1.70 1.80 0.65 0.92 LPD4012-562MR_ 5.6 ±20% 0.620 32 0.99 0.20 1.50 1.60 1.60 0.55 0.78 LPD4012-682MR_ 6.8 ±20% 0.530 31 0.99 0.22 1.20 1.52 1.63 0.60 0.86 LPD4012-822MR_ 8.2 ±20% 0.600 29 0.99 0.24 1.10 1.20 1.30 0.55 0.78 LPD4012-103MR_ 10 ±20% 0.750 25 0.99 0.26 0.98 1.00 1.10 0.50 0.71 LPD4012-153MR_ 15 ±20% 1.13 21 0.99 0.30 0.90 0.92 0.94 0.43 0.60 LPD4012-223MR_ 22 ±20% 1.63 15 0.99 0.34 0.70 0.82 0.84 0.34 0.48 LPD4012-333MR_ 33 ±20% 1.83 12 >0.99 0.41 0.37 0.57 0.58 0.31 0.44 LPD4012-473MR_ 47 ±20% 2.52 8.8 >0.99 0.51 0.33 0.39 0.40 0.28 0.39 LPD4012-683MR_ 68 ±20% 3.23 7.8 >0.99 0.66 0.27 0.36 0.37 0.25 0.36 LPD4012-823MR_ 82 ±20% 3.66 7.3 >0.99 0.75 0.27 0.27 0.29 0.23 0.31 LPD4012-104MR_ 100 ±20% 4.76 6.1 >0.99 0.86 0.22 0.28 0.29 0.20 0.27 LPD4012-124MR_ 120 ±20% 5.54 5.3 >0.99 0.98 0.21 0.26 0.27 0.19 0.27 LPD4012-154MR_ 150 ±20% 6.90 4.6 >0.99 1.19 0.18 0.26 0.27 0.17 0.23 LPD4012-184MR_ 180 ±20% 8.75 4.1 >0.99 1.40 0.16 0.21 0.23 0.14 0.18 LPD4012-224MR_ 220 ±20% 11.24 3.3 >0.99 1.66 0.15 0.16 0.17 0.12 0.17 LPD4012-334MR_ 330 ±20% 17.00 2.8 >0.99 2.45 0.13 0.16 0.16 0.10 0.14 1. Please specify termination and packaging codes: LPD4012-334MRC Termination: R = RoHS compliant, matte tin over nickel over silver. Special order: Q = RoHS tin-silver-copper (95.5/4/0.5) or P = non-RoHS tin-lead (63/37). Packaging: C = 7 ″ machine-ready reel. EIA-481 embossed plastic tape (1000 parts per full reel). B = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter D instead. D = 13 ″ machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked (3500 parts per full reel). 2. Inductance shown for each winding, measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A LCR meter or equivalent. When leads are connected in parallel, inductance is the same value. When leads are connected in series, inductance is four times the value. 3. DCR is for each winding. When leads are connected in parallel, DCR is half the value. When leads are connected in series, DCR is twice the value. 4. SRF measured using an Agilent/HP 4191A or equivalent. When leads are connected in parallel, SRF is the same value. 5. Leakage Inductance is for L1 and is measured with L2 shorted. 6. DC current at 25°C that causes the specified inductance drop from its value without current. It is the sum of the current flowing in both windings. 7. Equal current when applied to each winding simultaneously that causes a 40°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. 8. Maximum current when applied to one winding that causes a 40°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. 9. Electrical specifications at 25°C. Refer to Doc 639 “Selecting Coupled Inductors for SEPIC Applications.” Refer to Doc 362 “Soldering Surface Mount Components” before soldering. |
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