ZLED7030

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.

8 of 23

0

100

200

300

400

500

600

5

10

15

20

25

30

35

40

Vin(V)

Rs=0.10Ω

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

No.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

1.3.17

Recommended output

switch duty cycle range

0.3

0.9

1.3.18

Propagation delay of

internal comparator

25

ns

1.3.19

Thermal shutdown

temperature

150

°C

1.3.20

Thermal shutdown

hysteresis

20

K

1.4

Typical Operation Graphs

Figure 1.1

Figure 1.2