ZLED7520

High Current 40V LED Driver with Internal Switch

Data Sheet

August 12, 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.

10 of 27

Rs=0.30Ω

0.6

0.65

0.7

0.75

0.8

0.85

0.9

0.95

1

5

10

15

20

25

30

35

40

Vin(V)

1LED

3LED

7LED

10LED

Rs=0.15Ω

0.6

0.61

0.62

0.63

0.64

0.65

0.66

0.67

0.68

0.69

0.7

5

10

15

20

25

30

35

40

Vin(V)

1LED

3LED

7LED

10LED

Figure 1.5

Figure 1.6

(Rs=0.15 , L1=47µH)