1102 silver lake road cary il 60013 phone fax 800-981-0363 847-639-1508 e-mail web cps@coilcraft.com www.coilcraft-cps.com ? ? coilcraft, inc. 2010 1102 silver lake road cary il 60013 phone fax 800-981-0363 847-639-1508 e-mail web cps@coilcraft.com www.coilcraft-cps.com ? ? coilcraft, inc. 2010 specifications subject to change without notice. please check our website for latest information. document ml703-1 revised 07/06/10 high reliability coupled inductors ml590pnd dimensions are in inches mm the ml590pnd series of shielded coupled inductors was designed specifically for high temperature applica- tions ? up to 155c. the excellent coupling coefficient (k 0.94) makes it ideal for use in sepic applications. in sepic topologies, the required inductance for each winding in a coupled inductor is half the value needed for two separate inductors, allowing selection of a part with lower dcr and higher current handling. these parts provide high inductance, high efficiency and excellent current handling in a very rugged part. they are well suited for use as vrm inductors in high-current dc-dc and vrm/vrd controllers. they can also be used as two single inductors con- nected in series or parallel, as a common mode choke or as a 1 : 1 transformer. core material ferrite terminations matte tin over nickel over phos bronze weight: 2.8 ? 3.2 g ambient temperature ?55c to +105c with i rms current, +105c to +155c with derated current storage temperature component: ?55c to +155c. packaging: ?55c to +80c winding to winding isolation 500 vrms resistance to soldering heat max three 40 second reflows at +260c, parts cooled to room temperature between cycles moisture sensitivity level (msl) 1 (unlimited floor life at <30c / 85% relative humidity) enhanced crush-resistant packaging 500/13 reel; plastic tape: 24 mm wide, 0.35 mm thick, 16 mm pocket spacing, 6.6 mm pocket depth l1 l2 q1 c1 c2 + ++ ?? d1 v out v in load typical sepic schematic refer to application note, document 639, ?selecting coupled inductors for sepic applications? recommended land pattern 0.217 5,5 0.177 4,5 0.157 4,0 0.079 2,0 1 4 2 3 3 1 2 4 l1 l2 123 x 0.197 5,0 0.059 1,5 0.197 5,0 0.138 3,5 0.484 12,3 max 0.484 12,3 max dash number internal code 1 4 2 3 0.236 0.008 6,0 0,2 dot indicates pin1 1260 coupled inductors
ml590pnd series (1260) 1102 silver lake road cary il 60013 phone fax 800-981-0363 847-639-1508 e-mail web cps@coilcraft.com www.coilcraft-cps.com ? ? coilcraft, inc. 2010 document ml703-1 revised 07/06/10 specifications subject to change without notice. please check our website for latest information. 1. when ordering, please specify testing code: ml590pnd105kl z testing: z = cots h = screening per coilcraft cp-sa-10001 n = screening per coilcraft cp-sa-10004 c = custom screening (please specify when ordering) 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. dc current, at which the inductance drops the specified amount from its value without current. it is the sum of the current flowing in both windings. 6. equal current when applied to each winding simultaneously that causes a 40c temperature rise from 25c ambient. see temperature rise calculation. 7. maximum current when applied to one winding that causes a 40c temperature rise from 25c ambient. see temperature rise calculation. 8. electrical specifications at 25c. refer to doc 639 ?selecting coupled inductors for sepic applications.? refer to doc 362 ?soldering surface mount components? before soldering. temperature rise calculation based on specified i rms 1260 coupled inductors temperature rise ( t) = winding power loss 55.6c w t = 55.6c w ( + ) dcr ii l1 2 l2 2 winding power loss = ( + ) dcr in watts (w) i i l1 2 l2 2 example 1. 590pnd153 (equal current in each winding) winding power loss = (2.06 + 2.06 ) 0.085 = 0.721 w t = 0.721 w 55.6c w = 40c 22 example 2. ( = 2.4 a, winding p 590pnd153 = 1.3 a) ii l1 l2 22 ower loss = (2.4 + 1.3 ) 0.085 = 0.633 w t = 0.633 w 55.6c w = 35.2c i rms (a) inductance 2 dcr max 3 srf (mhz) 4 i sat (a) 5 both one part number 1 (h) (ohms) min typ 10% drop 20% drop 30% drop windings 6 winding 7 ml590pnd472mlz 4.7 20% 0.036 30.0 38.0 9.00 10.18 11.08 3.16 4.47 ml590pnd562mlz 5.6 20% 0.040 24.0 30.0 8.00 9.06 9.84 3.00 4.24 ml590pnd682mlz 6.8 20% 0.048 22.0 27.0 7.00 8.00 8.64 2.75 3.88 ml590pnd822mlz 8.2 20% 0.052 21.0 26.0 6.44 7.38 7.98 2.63 3.72 ml590pnd103mlz 10 20% 0.060 18.0 22.0 5.40 6.32 6.88 2.45 3.46 ml590pnd123mlz 12 20% 0.074 16.0 20.0 5.30 6.18 6.70 2.21 3.12 ml590pnd153mlz 15 20% 0.085 14.4 18.0 4.60 5.30 5.80 2.06 2.92 ml590pnd183mlz 18 20% 0.097 13.0 16.0 4.50 5.22 5.68 1.93 2.73 ml590pnd223mlz 22 20% 0.116 12.0 15.0 4.00 4.62 5.02 1.76 2.49 ml590pnd273mlz 27 20% 0.124 10.0 13.0 3.60 4.14 4.50 1.70 2.41 ml590pnd333mlz 33 20% 0.134 10.0 12.4 3.30 3.80 4.14 1.64 2.32 ml590pnd393mlz 39 20% 0.142 9.6 12.0 3.00 3.48 3.82 1.59 2.25 ml590pnd473mlz 47 20% 0.174 9.3 11.6 2.70 3.12 3.40 1.44 2.03 ml590pnd563mlz 56 20% 0.198 8.4 10.5 2.50 2.90 3.14 1.35 1.91 ml590pnd683mlz 68 20% 0.216 8.0 10.0 2.30 2.66 2.88 1.29 1.83 ml590pnd823mlz 82 20% 0.274 6.9 8.6 2.10 2.40 2.60 1.15 1.62 ml590pnd104mlz 100 20% 0.322 6.2 7.8 1.90 2.18 2.38 1.06 1.50 ml590pnd124ksz 120 10% 0.418 5.5 6.8 1.60 1.84 2.04 0.93 1.31 ml590pnd154ksz 150 10% 0.476 5.1 6.4 1.50 1.76 1.92 0.87 1.23 ml590pnd184ksz 180 10% 0.536 4.9 6.1 1.40 1.64 1.78 0.82 1.16 ml590pnd224ksz 220 10% 0.691 4.4 5.5 1.30 1.48 1.60 0.72 1.02 ml590pnd274ksz 270 10% 0.806 3.4 4.3 1.10 1.30 1.40 0.67 0.95 ml590pnd334ksz 330 10% 1.09 3.2 4.0 1.00 1.16 1.26 0.57 0.81 ml590pnd394ksz 390 10% 1.20 2.9 3.6 0.950 1.11 1.23 0.55 0.77 ml590pnd474ksz 470 10% 1.59 2.4 3.0 0.900 0.994 1.09 0.48 0.67 ml590pnd564ksz 560 10% 1.81 2.2 2.8 0.800 0.908 0.948 0.45 0.63 ml590pnd684ksz 680 10% 2.06 2.1 2.6 0.700 0.804 0.874 0.42 0.59 ml590pnd824ksz 820 10% 2.65 2.0 2.5 0.640 0.732 0.802 0.37 0.52 ml590pnd105ksz 1000 10% 3.06 1.9 2.4 0.590 0.674 0.728 0.34 0.49
ml590pnd series (1260) 1102 silver lake road cary il 60013 phone fax 800-981-0363 847-639-1508 e-mail web cps@coilcraft.com www.coilcraft-cps.com ? ? coilcraft, inc. 2010 document ml703-1 revised 07/06/10 specifications subject to change without notice. please check our website for latest information. typical l vs frequency typical l vs current 1 10 100 1000 10000 0.1 1 100 10 inductance (h) current (a) 100 h 10 h 4.7 h 47 h 1000 h 470 h 1 10 100 1000 10000 0.01 0.1 10 1 inductance (h) frequency (mhz) 100 h 10 h 4.7 h 47 h 1000 h 470 h current derating 1260 coupled inductors percent of rated current 120 110 100 90 80 70 60 50 40 30 20 10 0 i sat i rms -40 -55 -20 0 20 40 60 80 100 160 140 120 25c
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