ZLED7530

High Current 40V LED Driver with Switch Dimming

Data Sheet

August 16, 2011

© 2011 Zentrum Mikroelektronik Dresden AG — Rev.1.2

All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without

the prior written consent of the copyright owner. The information furnished in this publication is subject to changes without notice.

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Trigger

C1 DC

Stop

-150mV

Edge

Negative

Timebase

-1.04 s

Roll

1.00s/div

500kS

50 kS/s

100%

60%

30%

Figure 1.7 demonstrates a typical switch dimming waveform. Channel 1 (blue) is the supply voltage. Channel 4

(magenta) shows the output current at 100%, then 60%, and then 30%.

Figure 1.7

Switch Dimming Waveform (Dimming Mode 2)