specifcations subject to change without notice. please check our website for latest information. document ml704-1 revised 07/13/12 the ml612pnd series of coupled inductors was designed for high temperature applications C up to 155c. the excellent coupling coeffcient (k 0.98) makes it ideal for use in sepic applications. in sepic topologies, the required inductance for each winding in a coupled induc - tor is half the value needed for two separate inductors, allowing selection of a part with lower dcr and higher current handling. these inductors provide high inductance, high effciency, excellent current handling and 500 v isolation in a very rugged part. they are well suited for use as vrm induc - tors in high-current dc-dc and vrm/vrd controllers. they can also be used as two single inductors connected in series or parallel, as a common mode choke or as a 1 : 1 transformer. 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 1278 coupled inductors core material ferrite terminations matte tin over nickel over phos bronze. weight: 3.8 g C 4.6 g ambient temperature C55c to +105c with i rms current, +105c to +155c with derated current storage temperature component: C55c to +155c. tape and reel packaging: C55c to +80c resistance to soldering heat max three 40 second refows at +260c, parts cooled to room temperature between cycles moisture sensitivity level (msl) 1 (unlimited foor life at <30c / 85% relative humidity) winding-to-winding and winding-to-core isolation 500 vrms enhanced crush-resistant packaging 500/13 reel; plastic tape: 24 mm wide, 0.4 mm thick, 16 mm pocket spacing, 8.1 mm pocket depth dimensions are in inches mm high reliability coupled inductors ml612pnd 1102 silv er lak e road car y il 60013 phone fa x 800-981-0363 847-639-1508 e-mail we b cps@coilcraft.com www .coilcraft-cps .com ? ? coilcraft, inc. 2012 1102 silv er lak e road car y il 60013 phone fa x 800-981-0363 847-639-1508 e-mail we b cps@coilcraft.com www .coilcraft-cps .com ? ? coilcraft, inc. 2012
document ml704-2 revised 07/13/12 ml612pnd series (1278) specifcations subject to change without notice. please check our website for latest information. 1. when ordering, please specify testing code: ml612pnd105klz testing: z = cots h = screening per coilcraft cp-sa-10001 n = screening per coilcraft cp-sa-10004 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. typical dc current, at which the inductance drops the specifed amount from its value without current. it is the sum of the current fowing 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 specifcations 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 specifed irms 1278 coupled inductors coupling leakage i sat (a) 5 i rms (a) inductance 2 dcr max 3 srf (mhz) 4 coeffcient l typ 10% 20% 30% both one part number 1 (h) (ohms) min typ typ (h) drop drop drop windings 6 winding 7 ml612pnd472mlz 4.7 20% 0.040 26.0 33.0 0.98 0.22 13.90 15.20 16.36 3.16 4.47 ml612pnd562mlz 5.6 20% 0.046 24.0 30.0 0.98 0.23 13.38 14.86 15.74 2.87 4.06 ml612pnd682mlz 6.8 20% 0.048 18.0 23.0 0.98 0.22 12.10 13.56 14.20 2.81 3.98 ml612pnd822mlz 8.2 20% 0.055 16.0 20.0 0.98 0.34 10.30 11.52 12.20 2.76 3.90 ml612pnd103mlz 10 20% 0.058 14.0 17.0 0.98 0.34 8.80 10.00 10.66 2.56 3.62 ml612pnd123mlz 12 20% 0.062 12.0 15.0 0.98 0.36 8.20 9.18 9.74 2.48 3.50 ml612pnd153mlz 15 20% 0.072 10.0 13.0 0.99 0.41 7.40 8.36 9.03 2.30 3.25 ml612pnd183mlz 18 20% 0.080 9.6 12.0 0.99 0.37 6.50 7.38 7.86 2.18 3.08 ml612pnd223mlz 22 20% 0.096 8.8 11.0 0.99 0.41 6.00 6.80 7.26 1.99 2.81 ml612pnd273mlz 27 20% 0.120 8.0 10.0 0.99 0.43 5.80 6.56 7.02 1.78 2.52 ML612PND333MLZ 33 20% 0.150 7.6 9.5 0.99 0.56 5.50 6.10 6.52 1.59 2.25 ml612pnd393mlz 39 20% 0.161 6.8 8.5 0.99 0.64 4.70 5.26 5.60 1.54 2.18 ml612pnd473mlz 47 20% 0.180 6.0 7.5 0.99 0.70 3.70 4.34 4.60 1.45 2.05 ml612pnd563mlz 56 20% 0.190 5.6 7.0 0.99 0.76 3.60 4.18 4.50 1.41 2.00 ml612pnd683mlz 68 20% 0.210 5.2 6.5 0.99 0.88 3.50 4.04 4.32 1.35 1.90 ml612pnd823mlz 82 20% 0.280 4.0 5.0 0.99 0.85 3.30 3.72 4.02 1.16 1.65 ml612pnd104mlz 100 20% 0.300 3.6 4.5 >0.99 0.90 2.80 3.24 3.46 1.13 1.59 ml612pnd124klz 120 10% 0.410 3.4 4.3 0.99 1.31 2.60 2.94 3.16 0.96 1.36 ml612pnd154klz 150 10% 0.460 3.3 4.1 >0.99 1.46 2.20 2.54 2.70 0.91 1.29 ml612pnd184klz 180 10% 0.510 3.2 4.0 >0.99 0.93 2.10 2.42 2.58 0.86 1.22 ml612pnd224klz 220 10% 0.690 2.7 3.4 >0.99 1.54 1.90 2.16 2.28 0.74 1.05 ml612pnd274klz 270 10% 0.900 2.5 3.1 >0.99 1.17 1.70 1.94 2.10 0.65 0.92 ml612pnd334klz 330 10% 1.02 2.3 2.9 0.99 4.14 1.50 1.70 1.84 0.61 0.86 ml612pnd394klz 390 10% 1.12 2.2 2.7 >0.99 1.64 1.40 1.60 1.70 0.58 0.82 ml612pnd474klz 470 10% 1.53 1.8 2.2 >0.99 0.25 1.30 1.50 1.60 0.50 0.70 ml612pnd564klz 560 10% 1.69 1.6 2.0 >0.99 2.68 1.20 1.34 1.46 0.47 0.67 ml612pnd684klz 680 10% 2.29 1.4 1.7 >0.99 2.11 1.00 1.08 1.22 0.41 0.58 ml612pnd824klz 820 10% 2.55 1.1 1.4 >0.99 2.39 0.900 1.04 1.18 0.39 0.55 ml612pnd105klz 1000 10% 2.87 1.0 1.3 >0.99 4.28 0.850 0.948 1.05 0.37 0.52 1102 silv er lak e road car y il 60013 phone fa x 800-981-0363 847-639-1508 e-mail we b cps@coilcraft.com www .coilcraft-cps .com ? ? coilcraft, inc. 2012
document ml704-3 revised 07/13/12 ml612pnd series (1278) specifcations subject to change without notice. please check our website for latest information. typical l vs frequency typical l vs current current derating 1 10 100 1000 10000 0.01 0.1 10 1 inductance (h) frequency (mhz) 100 h 47 h 10 h 4.7 h 1000 h 470 h 1 10 100 1000 10000 0.1 1 100 10 inductance (h) current (a) 100 h 47 h 10 h 4.7 h 1000 h 470 h 1278 coupled inductors ambient temperature (c) pe r cent of rated current 120 110 100 90 80 70 60 50 40 30 20 10 0 25c i sat i rm s 0 -40 -55 -20 02 04 06 08 0 100 160 140 120 1102 silv er lak e road car y il 60013 phone fa x 800-981-0363 847-639-1508 e-mail we b cps@coilcraft.com www .coilcraft-cps .com ? ? coilcraft, inc. 2012
|
