MX841

IXYS

Circuit Application Driving 15 White LED’s

MX841

CTRL

Vbattery 3.0V - 5.0V

OVD

Isense

CTL/SLEEP

Rsense

Vboost

1N5817

V

6.8uH

I

20K Ohms

22uF 35V

0.1uF in Parallel

5 Ohms

5 Ohms

5 Ohms

22uF 35V

0.1uF in Parallel

26K Ohms @ 3.0V

57K Ohms @ 5.0V

(Dimming Control)

Analog

GND

Switch

GND

2

14

6

8

5

7

3

IXYS Corporation makes no representations or warranties with respect to the accuracy or completeness of the contents of this

publication and reserves the right to make changes to specifications and product descriptions at any time without notice. Neither

circuit patent licenses nor indemnity are expressed or implied. Except as set forth in IXYS’ Standard Terms and Conditions of Sale,

IXYS Corporation assumes no liability whatsoever, and disclaims any expressed or implied warranty, relating to its products

including, but not limited to, the implied warranty of merchantability, fitness for a particular purpose, or infringement of any

Preliminary

MX841

5

03/10/05

Drawing No. 17023

www.ixys.net

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