EE25 transformer spec single stage led driver 1. bobbin : (ei25 8pin) 2. core : EE25 al:2000 +/-25% nh/n*n( tdk pc40 material or equivalent) ) circuit : 025 4) www.datasheet.co.kr datasheet pdf - http://www..net/ www.datasheet.co.kr datasheet pdf - http://www..net/
4. winding : 1). n1 : 2 ---- 1 2uew 0.35mm 27tx4layer 2). n2 4 copper foil 0.025t*7 2). n3 6----5 triple insulation winding wire 0.6mm 14t totoku tiw-3 ul file no.e66483 or equivalent 3). n4 8----7 triple insulation winding wire 0.6mm 6t totoku tiw-3 ul file no.e66483 or equivalent 4). n5 3----4 2uew 0.25mm 25t l2? 1 = 1mh +/- 10% (50khz, 1v) lleakage < 60uh +/- 10% ( from pin2 to pin1 with other pins short 50khz,1v) note : 1 ? ? bobbin ; 2 hipot : 3kvac primary to secondary 1min. 10ma www.datasheet.co.kr datasheet pdf - http://www..net/ www.datasheet.co.kr datasheet pdf - http://www..net/
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