Document 1005F-1 For Flyback, SEPIC, Zeta Coupled Chip Inductors PFD2015 and other applications With a footprint of 2.2 1.45 mm, the PFD2015 is Coil- crafts smallest shielded coupled inductor. It is ideal for use in a variety of circuits including flyback, multi-output buck, SEPIC and Zeta. These inductors provide high efficiency and excellent current handling for parts this small. They can also be used as two single inductors connected in series or parallel, as common mode chokes or as wideband transformers. + + D C V L1 L2 OUT C V IN SW Typical Flyback Converter + D V OUT C AUX L2 0.090 1 4 max 2,29 L1 L2 ++ 0.059 max L1 1,5 2 3 V V C OUT D IN SW 0.054 0.010 1,36 Typical Buck Converter with auxiliary output 0,25 0.044 0.014 0.003 0.028 D 0,356 0,076 0,711 1,118 0.016 ++ 0,406 L1 C1 12 3 4 V 0.060 C V Q L2 C OUT IN max 1,52 4 1 2 3 Typical SEPIC schematic Recommended 0.022 0.017 0,559 0,432 Land Pattern inches ++ Dimensions are in mm L2 C1 Q V CCD OUT V L1 IN Typical Zeta schematic Specifications subject to change without notice. US +1-847-639-6400 sales coilcraft.com Document 1005F-1 Revised 05/24/18 US +1-847-639-6400 sales coilcraft.com Please check our website for latest information. UK +44-1236-730595 sales coilcraft-europe.com UK +44-1236-730595 sales coilcraft-europe.com Coilcraft Inc. 2018 Coilcraft Inc. 2018 This product may not be used in medical or high Taiwan +886-2-2264 3646 sales coilcraft.com.tw This product may not be used in medical or high Taiwan +886-2-2264 3646 sales coilcraft.com.tw risk applications without prior Coilcraft approval. risk applications without prior Coilcraft approval. China +86-21-6218 8074 sales coilcraft.com.cn China +86-21-6218 8074 sales coilcraft.com.cn Specification subject to change without notice. Specification subject to change without notice. Please check web site for latest information. Singapore + 65-6484 8412 sales coilcraft.com.sg Please check web site for latest information. Singapore + 65-6484 8412 sales coilcraft.com.sgDocument 1005F-2 PFD2015 Coupled Inductors for SEPIC applications 6 Isat (A) Irms (A) DCR SRF Coupling Leakage 2 3 4 5 Inductance max typ coefficient inductance 10% 20% 30% both one 1 7 8 Part number 20% (H) (Ohms) (MHz) typ typ (H) drop drop drop windings winding PFD2015-102ME 1.0 0.165 380 0.97 0.065 0.85 1.10 1.30 0.800 1.13 PFD2015-122ME 1.2 0.175 310 0.97 0.071 0.80 1.05 1.20 0.750 1.06 PFD2015-182ME 1.8 0.294 265 0.97 0.110 0.70 0.85 1.00 0.490 0.690 PFD2015-272ME 2.7 0.477 220 0.97 0.162 0.65 0.82 0.88 0.410 0.580 PFD2015-332ME 3.3 0.670 180 0.97 0.200 0.57 0.71 0.77 0.370 0.525 PFD2015-472ME 4.7 1.00 160 0.97 0.285 0.44 0.55 0.60 0.260 0.370 PFD2015-682ME 6.8 1.75 130 0.97 0.415 0.37 0.42 0.47 0.187 0.265 PFD2015-822ME 8.2 2.50 125 0.97 0.500 0.35 0.38 0.42 0.150 0.210 PFD2015-103ME 10 3.40 110 0.97 0.590 0.30 0.34 0.37 0.130 0.185 1. When ordering, please specify termination and packaging codes: 5. Leakage inductance is for the primary winding with the secondary windings shorted. PFD2015-103MEC 6. DC current, at which the inductance drops the specified amount from its Termination: E = RoHS compliant silver-palladium-platinum-glass value without current. It is the sum of the current flowing in both windings. frit. 7. Equal current when applied to each winding simultaneously that causes Special order: R = RoHS compliant matte tin over a 40C temperature rise from 25C ambient. See temperature rise nickel over silver-platinum-glass frit. calculation. Packaging: C = 7 machine-ready reel. EIA-481 embossed plastic 8. Maximum current when applied to one winding that causes a 40C tape (2000 parts per full reel). temperature rise from 25C ambient. See estimated temperature rise B = Less than full reel. In tape, but not machine ready. calculation. To have a leader and trailer added ( 25 charge), use 9. Electrical specifications at 25C. code letter D instead. Refer to Doc 639 Selecting Coupled Inductors for SEPIC Applications. D = 13 machine-ready reel. EIA-481 embossed plastic Refer to Doc 362 Soldering Surface Mount Components before soldering. tape. Factory order only, not stocked (7500 parts per full reel). Coupled Inductor Core and Winding Loss Calculator 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 This web-based utility allows you to enter frequency, peak-to-peak are connected in parallel, inductance is the same value. When leads are (ripple) current, and Irms current to predict temperature rise and connected in series, inductance is four times the value. overall losses, including core loss. Go to online calculator. 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/HP8753 or equivalent. When leads are connected in parallel, SRF is the same value. PFD2015 Coupled Inductors for Flyback applications Inductance Inductance DCR Leakage 2 3 4 3 at 0 A at Ipk A max inductance Turns Ipk 1 Part number 20% (H) 20% (H) (Ohms) typ (H) ratio (A) PFD2015-102ME 1.0 0.70 0.165 0.065 1 : 1 1.30 PFD2015-122ME 1.2 0.84 0.175 0.071 1 : 1 1.20 PFD2015-182ME 1.8 1.26 0.294 0.110 1 : 1 1.00 PFD2015-272ME 2.7 1.89 0.477 0.162 1 : 1 0.88 PFD2015-332ME 3.3 2.37 0.670 0.200 1 : 1 0.77 PFD2015-472ME 4.7 3.29 1.00 0.285 1 : 1 0.60 PFD2015-682ME 6.8 1.76 1.75 0.415 1 : 1 0.47 PFD2015-822ME 8.2 5.74 2.50 0.500 1 : 1 0.42 PFD2015-103ME 10 7.00 3.40 0.590 1 : 1 0.37 1. When ordering, please specify termination and packaging codes: 2. Inductance is for the primary, measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A LCR meter or equivalent. PFD2015-103MEC 3. Peak primary current drawn at minimum input voltage. Termination: E = RoHS compliant silver-palladium-platinum-glass frit. 4. Leakage inductance is for the primary winding with the secondary Special order: R = RoHS compliant matte tin over windings shorted. nickel over silver-platinum-glass frit. 5. Electrical specifications at 25C. Packaging: C = 7 machine-ready reel. EIA-481 embossed plastic Refer to Doc 362 Soldering Surface Mount Components before soldering. tape (2000 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 (7500 parts per full reel). Specifications subject to change without notice. US +1-847-639-6400 sales coilcraft.com Document 1005F-2 Revised 05/24/18 Please check our website for latest information. UK +44-1236-730595 sales coilcraft-europe.com Coilcraft Inc. 2018 This product may not be used in medical or high Taiwan +886-2-2264 3646 sales coilcraft.com.tw risk applications without prior Coilcraft approval. China +86-21-6218 8074 sales coilcraft.com.cn Specification subject to change without notice. Please check web site for latest information. Singapore + 65-6484 8412 sales coilcraft.com.sg