DN62

DN62
ZXSC310 Solution to drive 3 LEDs connected in series
Description
This solution is optimized for an input voltage range of 4.3V to 3V. The LED current is set to 15mA
VIN = 4.3V and 8mA at VIN = 3V.
ZXSC310
Issue 3 - July 2006
© Zetex Semiconductors plc 2006
Figure 1
Schematic diagram
Figure 2
Performance graphs
1
www.zetex.com
DN62
Reference
Part no.
Value
Manufacturer
Contact details
U1
ZXSC310E5
NA
Zetex
www.zetex.com
Q1
FMMT618
NA
Zetex
www.zetex.com
D1
ZHCS1000
1A
Zetex
www.zetex.com
R1
Generic
510m⍀
Generic
NA
R2
Generic
510␮F
Generic
NA
C1
Generic
2.2␮F
Generic
NA
L1
DO1608P-103
10␮H
Coilcraft
www.coilcraft.com
LED1-3
NSPMW500BS
White LED
Nichia
www.nichia.com
Table 1
Bill of materials
Europe
Americas
Asia Pacific
Corporate Headquarters
Zetex GmbH
Streitfeldstraße 19
D-81673 München
Germany
Zetex Inc
700 Veterans Memorial Highway
Hauppauge, NY 11788
USA
Zetex (Asia Ltd)
3701-04 Metroplaza Tower 1
Hing Fong Road, Kwai Fong
Hong Kong
Zetex Semiconductors plc
Zetex Technology Park, Chadderton
Oldham, OL9 9LL
United Kingdom
Telefon: (49) 89 45 49 49 0
Fax: (49) 89 45 49 49 49
[email protected]
Telephone: (1) 631 360 2222
Fax: (1) 631 360 8222
[email protected]
Telephone: (852) 26100 611
Fax: (852) 24250 494
[email protected]
Telephone: (44) 161 622 4444
Fax: (44) 161 622 4446
[email protected]
For international sales offices visit www.zetex.com/offices
Zetex products are distributed worldwide. For details, see www.zetex.com/salesnetwork
This publication is issued to provide outline information only which (unless agreed by the company in writing) may not be used, applied or
reproduced for any purpose or form part of any order or contact or be regarded as a representation relating to the products or services concerned.
The company reserves the right to alter without notice the specification, design, price or conditions of supply of any product or service.
www.zetex.com
2
Issue 3 - July 2006
© Zetex Semiconductors plc 2006
Similar pages