? coilcraft, inc. 2007 specifications subject to change without notice. please check our website for latest information. document 183-1 document 183-1 revised 10/25/07 magnetics for lm258x flyback regulator these standard flyback regulator transformers are de- signed for use with national semiconductor lm2585, lm2586, lm2587 and lm2588 simple switcher ? switching regulators. volt-time l at 0 adc l at i pk product leakage ref. part 15% min max inductance 1 dcr (ohms) turns ratio i pk 2 number number (h) (h) (vsec) max (h) pri sec pri : sec output (a) t1 (sm) q4435-b 22 19.0 166.5 0.7 0.020 0.025 1 : 1 5 v, 1.6 a 4.85 t1 (pc) q44 34-b 22 19.8 162.0 2.0 0.028 0.028 1 : 1 5 v, 1.6 a 5.0 t2 (sm) q4436-b 22 17.6 166.5 0.5 0.025 0.23 (10-11) 1 : 2.5 12 v, 0.35 a 5.0 0.25 (9-8) 1 : 2.5 12 v, 0.35 a t2 (pc) q43 37-b 22 19.8 162.0 2.0 0.030 0.32 (8-7) 1 : 2.5 12 v, 0.35 a 5.0 0.32 (6-5) 1 : 2.5 12 v, 0.35 a t3 (pc) q43 43-b 85 76.5 364.5 3.5 0.150 0.011 (10-9) 1 : 0.8 12 v, 1.4 a 3.0 0.011 (7-6) 1 : 0.8 12 v, 1.4 a t4 (pc) q43 44-b 85 76.5 364.5 3.5 0.145 0.20 (10-9) 1 : 0.8 12 v, 0.75 a 3.0 0.20 (7-6) 1 : 0.8 12 v, 0.75 a 0.03 (4-5) 1 : 0.35 5 v, 3.0 a t5 (sm) q4437-b 55 47.3 299.7 2.0 0.110 0.035 (10-11) 1 : 0.5 5 v, 1.8 a 3.0 0.30 (9-8) 1 : 1.167 12 v, 0.25 a 0.32 (4-5) 1 : 1.167 12 v, 0.25 a t5 (pc) q43 38-b 66 59.4 499.5 3.5 0.090 0.039 (8-7) 1 : 0.5 5 v, 1.8 a 3.0 0.58 (6-5) 1 : 1.167 12 v, 0.25 a 0.60 (3-4) 1 : 1.167 12 v, 0.25 a t6 (sm) q4438-b 65 57.0 299.7 3.0 0.065 0.15 (10-11) 1 : 1.2 12 v, 0.63 a 3.0 0.15 (9-8) 1 : 1.2 12 v, 0.63 a t6 (pc) q43 39-b 66 59.4 499.5 3.0 0.090 0.20 (8-7) 1 : 1.2 12 v, 0.63 a 3.0 0.24 (5-6) 1 : 1.2 12 v, 0.63 a t7 (sm) s6057-a 47 40.0 233.1 2.0 0.065 0.065 1 : 1 5 v, 0.9 a 3.0 t7 (pc) s6000-a 47 40.0 212.6 2.0 0.065 0.042 1 : 1 5 v, 0.9 a 3.0 1. leakage inductance measured across the primary at 0.10 vrms, 100 khz. 2. dc current at which the primary inductance is measured. 3. operating temperature range -40 c to +85c. 4. electrical specifications at 25 c. refer to doc 362 ?soldering surface mount components? before soldering. they are available in surface mount and through hole configurations. all feature 500 v isolation between wind- ings and a variety of available turns ratios. core material ferrite ambient temperature ?40c to +85c storage temperature component: ?40c to +85c. packaging: ?55c to +80c resistance to soldering heat (sm parts) max three 30 second reflows at +235c, parts cooled to room temperature between cycles moisture sensitivity level (msl) 1 (unlimited floor life at <30c / 85% relative humidity) mean time between failures (mtbf) 26,315,789 hours pcb washing only pure water or alcohol recommended
? coilcraft, inc. 2007 magnetics for lm258x flyback regulator specifications subject to change without notice. please check our website for latest information. schematics C surface mount (sm) schematics C leaded (pc) 5 v, 1.6 a q4435-b t1 3 10 2 11 5 v, 1.6 a q4434-b t1 2 7 1 8 5 v, 0.9 a s6057-a t7 3 10 2 11 q4436-b 12 v, 0.35 a 12 v, 0.35 a t2 3 10 9 2 11 8 q4337-b 12 v, 0.35 a 12 v, 0.35 a t2 2 7 6 1 8 5 q4438-b 12 v, 0.63 a 12 v, 0.63 a t6 3 10 9 2 11 8 q4437-b 5 v, 1.8 a 12 v, 0.25 a 12 v, 0.25 a t5 3 10 9 4 2 11 8 5 q4437-b 5 v, 1.8 a 12 v, 0.25 a 12 v, 0.25 a t5 2 7 6 3 1 8 5 4 5 v, 0.9 a q4434-b t7 2 7 1 8 Q4344-B 5 v, 3.0 a 12 v, 0.75 a 12 v, 0.75 a t4 1 10 7 4 2 9 6 5 q4339-b 12 v, 0.63 a 12 v, 0.63 a t6 2 7 6 1 8 5 q4343-b 12 v, 1.4 a 12 v, 1.4 a t3 1 10 7 2 9 6 document 183-2 document 183-2 revised 10/25/07
? coilcraft, inc. 2007 magnetics for lm258x flyback regulator specifications subject to change without notice. please check our website for latest information. document 183-3 document 183-3 revised 09/07/07 recommended land pattern 12 1 7 6 max max max 0.610 15,49 1.00 25,4 0.60 15,24 0.75 19,05 0.733 18,62 0.150 3,81 0.145 3,68 0.100 2,54 0.615 15,62 0.114 0.020 2,90 0,51 0.843 21,41 0.030 0,76 0.100 2,54 0.150 3,81 0.004/0,10 surface mount standoffs 1 1 4 5 8 (1 place) (5 places) recommended board layout 0.060 1,52 0.025 0.025 0,635 0,635 max max max max 0.950 24,13 0.514 13,06 0.700 17,78 0.825 20,96 0.15 3,81 0.20 5,08 0.180 4,57 leaded C t1, t2, t5, t6, t7 standoffs 1 5 6 10 0.620 15,75 1 recommended board layout max max max 1.10 27,94 1.10 27,94 0.0346 0,879 0.060 1,52 0.950 24,13 0.180 4,57 max (1 place) (7 places) 0.15 3,81 0.20 5,08 leaded C t3, t4 terminations tin-lead over tin over nickel over phos bronze. packaged 81 parts per tray terminations tin-lead over tin over nickel over phos bronze. packaged 49 parts per tray terminations tin-lead over tin over copper. packaged 30 parts per tray
|
