ZLED7000

40V LED Driver with Internal Switch

Data Sheet

August 12, 2010

© 2010 Zentrum Mikroelektronik Dresden AG — Rev. 1.1

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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2.3.4

Microcontroller LED Control

A microcontroller’s open-drain output can control current to the LED(s) by outputting a PWM control signal to

the ADJ input of the ZLED7000. See Figure 2.1 for an example circuit.

Figure 2.3

Driving ADJ Input from a Microcontroller

10k

MC

ADJ

GND

ZLED7000