? coilcraft, inc. 2009 specifications subject to change without notice. please check our website for latest information. flyback transformer document 605 document 605 revised 04/26/07 for on semiconductor ncp1351 controller 1. inductance is for the primary, measured at 45 khz, 0.8 vrms, 0 adc. 2. i pk is the peak current drawn at minimum input voltage. 3. leakage inductance measured on the primary winding with all secondary pins shorted. 4. ambient operating temperature range ? 40c to +85c. 5. electrical specifications at 25c. refer to doc 362 ?soldering surface mount components? before soldering. part l at 0 a 1 l at i pk 2 dcr max (ohms) leakage l 3 turns ratio i pk 2 number 10% (h) min (h) pri sec1 sec2 aux max (h) pri : sec1 : sec2 : aux (a) GA0007-AL 270 243 0.25 0.027 0.045 0.26 8.16 5 : 1 : 1 : 13.0 secondary windings to be connected in series on the pc board. 13 10 11 8 pri aux 16 v, 0.75 a gnd 32 v, 1.0 a sec2 sec1 2 4 3 5 0.935 23,75 0.900 22,86 0.800 20,42 0.800 20,42 0.150 0.01 3,81 0,25 1.170 29,72 max max max 0.023 0,584 sq 0.100 2,54 0.500 12,70 0.150 3,81 (6) (4) dot indicates pin 1 0.044 1,10 (14) recommended board layout 1 1 6 7 14 14 core material ferrite terminations rohs tin-silver over tin over phos bronze. other terminations available at additional cost. weight 23.5 g ambient temperature ?40c to +85c storage temperature component: ?40c to +85c. packaging: ?40c to +80c 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) failures in time (fit) / mean time between failures (mtbf) 38 per billion hours / 26,315,789 hours, calculated per telcordia sr-332 packaging 64 parts per tray pcb washing only pure water or alcohol recommended ? dual-output flyback transformer for on semiconductor?s ncp1351 variable off time pwm controller. ? 32 v, 1.0 a and 16 v, 0.75 a outputs. output of the auxiliary winding is 16 v. ? operates in a discontinuousmode with a universal input ? 3000 vrms primary to secondary isolation.
|
