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.

11 of 27

97.8

98.0

98.2

98.4

98.6

98.8

99.0

99.2

99.4

-40 -30 -20 -10 0

10

20

30

40

50

60

70

80

90

100 110

Temperature (°C)

Trigger

C1 HFR

Stop

-50mV

Edge

Positive

1.00ms/div

500kS

50 MS/s

Figure 1.7

Figure 1.8

Dimming Rate with 100Hz Square Wave Control Signal (PWM) at ADJ Pin (current rise time=7.85µs)