document 924-1 miniature transformers LPD5030V document 924-1 revised 11/09/15 with 1500 vdc (1000 vrms) isolation and a small pack - age size, the LPD5030V series is ideal for use in high density isolated circuit applications. functional safety listed by ul . functional insulation class for tnv-1 to selv applica - tions. functional insulation with a maximum 60 vdc, 42.4 v peak input/output voltages with working voltages up to 210 vdc. (report #e219588-a6) these miniature transformers provide tight coupling, high inductance and excellent current handling. they can be used as ? flyback transformers ? coupled inductors in sepic applications ? common mode flter chokes. core material ferrite core and winding loss go to online calculator environmental rohs compliant, halogen free terminations rohs compliant matte tin over nickel over silver weight 210 C 225 mg ambient temperature C40c to +85c with (40c rise) i rms current. maximum part temperature +125c (ambient + temp rise). storage temperature component: C40c to +125c. tape and reel packaging: C40c 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) failures in time (fit) / mean time between failures (mtbf) 38 per billion hours / 26,315,789 hours, calculated per telcordia sr-332 packaging 750/7 reel; 2500/13 reel plastic tape: 12 mm wide, 0.32 mm thick, 8 mm pocket spacing, 3.1 mm pocket depth recommended pick and place nozzle od: 5 mm; id: 2.5 mm pcb washing tested to mil-std-202 method 215 plus an additional aqueous wash. see doc787_pcb_washing.pdf . l1 l2 + + ? ? d c c t ypical fl ybac k co n ver ter v out v in sw l1 l2 ++ + ?? ? d d c c sw t ypical buc k con ver ter with auxiliary output v out v out v out au x v in v in l1 l2 q c1 c ++ ?? d t ypical sepic schematic ref er to application note , document 639, ?selecting coupled inductors f or sepic applications?
document 924-2 document 924-2 revised 11/09/15 LPD5030V coupled inductors for sepic applications 1. when ordering, please specify packaging code: LPD5030V-224mr c packaging: c = 7 machine-ready reel. eia-481 embossed plastic tape (750 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 (2500 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. designed to provide functional insulation only; does not protect against electrical shock; nor intended for the isolation of selv circuits from hazardous voltage circuits. 7. dc current at 25c that causes the specifed inductance drop from its value without current. it is the sum of the current fowing in both wind - ings. 8. equal current when applied to each winding simultaneously that causes a 40c temperature rise from 25c ambient. this information is for reference only and does not represent absolute maximum ratings. 9. maximum current when applied to one winding that causes a 40c temperature rise from 25c ambient. this information is for reference only and does not represent absolute maximum ratings. 10. electrical specifcations at 25c. refer to doc 639 selecting coupled inductors for sepic applications. refer to doc 362 soldering surface mount components before soldering. dcr srf coupling leakage i sat (a) 7 i rms (a) inductance 2 max 3 typ 4 coeffcient inductance 5 isolation 6 10% 20% 30% both one part number 1 20% (h) (ohms) (mhz) typ typ (h) (vdc) drop drop drop windings 8 winding 9 LPD5030V-472mr_ 4.7 0.322 55.0 0.97 0.109 1500 1.45 1.70 1.90 0.65 0.92 LPD5030V-682mr_ 6.8 0.395 49.9 0.97 0.109 1500 1.30 1.50 1.55 0.59 0.83 LPD5030V-103mr_ 10 0.490 37.1 0.97 0.130 1500 1.10 1.20 1.30 0.54 0.76 LPD5030V-333mr_ 33 0.895 19.2 0.98 0.195 1500 0.49 0.59 0.67 0.43 0.61 LPD5030V-154mr_ 150 3.82 8.1 0.98 0.456 1500 0.25 0.29 0.31 0.18 0.25 LPD5030V-224mr_ 220 5.25 6.5 >0.99 0.541 1500 0.16 0.21 0.24 0.16 0.22 1. when ordering, please specify packaging code: LPD5030V-224mr c packaging: c = 7 machine-ready reel. eia-481 embossed plastic tape (750 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 (2500 parts per full reel). LPD5030V transformers for flyback applications 2. inductance is for the primary, measured at 100 khz, 0.1 vrms, 0 adc on an agilent/hp 4284a lcr meter or equivalent. 3. peak primary current drawn at minimum input voltage. 4. dcr is for each winding. 5. leakage inductance is for the primary winding with the secondary wind - ings shorted. 6. designed to provide functional insulation only; does not protect against electrical shock; nor intended for the isolation of selv circuits from hazardous voltage circuits. 7. electrical specifcations at 25c. refer to doc 362 soldering surface mount components before soldering. inductance inductance dcr leakage at 0 a 2 at i pk 3 imax 4 inductance 5 isolation 6 turns i pk 3 part number 1 20% (h) 20% (h) (ohms) typ (h) (vrms) ratio (a) LPD5030V-472mr_ 4.7 3.3 0.322 0.109 1000 1 : 1 1.90 LPD5030V-682mr_ 6.8 4.7 0.395 0.109 1000 1 : 1 1.55 LPD5030V-103mr_ 10 7.0 0.490 0.130 1000 1 : 1 1.30 LPD5030V-333mr_ 33 23 0.895 0.195 1000 1 : 1 0.67 LPD5030V-154mr_ 150 105 3.82 0.456 1000 1 : 1 0.31 LPD5030V-224mr_ 220 154 5.25 0.541 1000 1 : 1 0.24 coupled inductor core and winding loss calculator this web-based utility allows you to enter frequency, peak-to-peak (ripple) current, and i rms current to predict temperature rise and overall losses, including core loss. go to online calculator . these parts are preproduction products for electrical evaluation only. specifcation subject to change without notice.
document 924-3 document 924-3 revised 11/09/15 LPD5030V miniature transformers typical l vs current typical l vs frequency 1 10 100 1000 0.01 0.1 10 1 frequenc y (mhz) inductance (h) 220 h 33 h 10 h 4 h h 150 h 220 h 33 h 10 h 4 h h 1 10 100 1000 001 01 10 1 current (a) inductance (h) 150 h dimensions are in inches mm 0.060 1,52 0.114 0.004 2,90 0,10 dash n umber inter nal code dot indicates pin 1 0.189 0.003 4,80 0,076 0.189 0.003 4,80 0,076 xxx x 14 23 recommended land p attern 0.197 5,00 0.134 3,40 0.060 1,50 0.138 3,50 0.197 5,00 45 typ 0.090 2,30 0.134 3,40 0.090 2,30 0.030 0,75 2 1 4 3 l1 l2 1 : 1 these parts are preproduction products for electrical evaluation only. specifcation subject to change without notice.
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