User manual

Transformer Design www.ti.com
9 Transformer Design
Mfg: Wurth Electronics, Part #: 750815040 Rev. 01
Parameter Test Conditions Value
D.C. Resistance (3-1) 20°C 1.91 Ω ± 10%
D.C. Resistance (6-4) 20°C 0.36 Ω ± 10%
D.C. Resistance (10-13) 20°C 0.12 Ω ± 10%
Inductance (3-1) 10 kHz, 100 mVAC 2.12 mH ± 10%
Inductance (6-4) 10 kHz, 100 mVAC 46.50 µH ± 10%
Inductance (10-13) 10 kHz, 100 mVAC 74.00 µH ± 10%
Leakage Inductance (3-1) 100 kHz, 100 mAVAC (tie 6+4, 10+13) 18.0 µH Typ., 22.60 µH Max.
Dielectric (1-13) tie (3+4), 4500 VAC, 1 second 4500 VAC, 1 minute
Turns Ratio (3-1):(6-4) 7:1 ± 1%
Turns Ratio (3-1):(10:13) 5.384:1 ± 1%
6
AN-2097 LM3444 - 230VAC, 8W Isolated Flyback LED Driver SNVA462F–November 2010–Revised May 2013
Submit Documentation Feedback
Copyright © 2010–2013, Texas Instruments Incorporated