EVALHVLED805 Datasheet, PDF (7/9 Pages) STMicroelectronics – 4.2 W off-line LED driver with primary side regulation

EVALHVLED805
Electrical schematic
Table 2. Transformer characteristics
Manufacturer
Part number
Core
Primary inductance
Air gap
Leakage inductance
Primary to secondary turn ratio
Primary to auxiliary turn ratio
Primary saturation current
Insulation primary-secondary
Magnetica
1921.0013 Rev. 2
E13 – N87 (or equivalent)
2.6mH ± 15%
˜ 70 µm
1.42% nom
7.68 ± 5% (123 : 14)
5.59 ± 5% (123 : 19)
0.21AP max (BSAT=0.35 T)
4 kV
Figure 11. Transformer electrical scheme and dimensions
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Doc ID 18457 Rev 1

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