UM10406

All information provided in this document is subject to legal disclaimers.

© NXP B.V. 2010. All rights reserved.

User manual

Rev. 01 — 3 August 2010

20 of 21

continued >>

NXP Semiconductors

UM10406

SSL1523 5 W LED driver

13. Figures

Fig 1.

Demo board top . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Fig 2.

Demo board bottom . . . . . . . . . . . . . . . . . . . . . . . .4

Fig 3.

Demo board connection diagram. . . . . . . . . . . . . .5

Fig 4.

input voltage (C3) and the mains voltage (C4) . . .6

Fig 5.

Demo board schematic . . . . . . . . . . . . . . . . . . . . .9

Fig 6.

Transformer schematic . . . . . . . . . . . . . . . . . . . . 11

Fig 7.

Winding specification . . . . . . . . . . . . . . . . . . . . . .12

Fig 8.

Transformer dimensions . . . . . . . . . . . . . . . . . . .12

Fig 9.

Fig 11. 120 V (AC) efficiency curve . . . . . . . . . . . . . . . . .14

Fig 12. 230 V (AC) efficiency curve . . . . . . . . . . . . . . . . .14

Fig 13. Input voltage versus output current . . . . . . . . . . .15

Fig 14. EMC measurements at a mains voltage

of 120 V (AC) . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Fig 15. EMC measurements at a mains voltage

of 230 V (AC) . . . . . . . . . . . . . . . . . . . . . . . . . . . .16