LM4040

Issue 2 - February 2007

6

www.zetex.com

© Zetex Semiconductors plc 2007

Zetex sales offices

Europe

Zetex GmbH

Kustermann-park

Balanstraße 59

D-81541 München

Germany

Telefon: (49) 89 45 49 49 0

Fax: (49) 89 45 49 49 49

europe.sales@zetex.com

Americas

Zetex Inc

700 Veterans Memorial Highway

Hauppauge, NY 11788

USA

Telephone: (1) 631 360 2222

Fax: (1) 631 360 8222

usa.sales@zetex.com

Asia Pacific

Zetex (Asia Ltd)

3701-04 Metroplaza Tower 1

Hing Fong Road, Kwai Fong

Hong Kong

Telephone: (852) 26100 611

Fax: (852) 24250 494

asia.sales@zetex.com

Corporate Headquarters

Zetex Semiconductors plc

Zetex Technology Park, Chadderton

Oldham, OL9 9LL

United Kingdom

Telephone: (44) 161 622 4444

Fax: (44) 161 622 4446

hq@zetex.com

© 2007 Published by Zetex Semiconductors plc

Definitions

Product change

Zetex Semiconductors reserves the right to alter, without notice, specifications, design, price or conditions of supply of any product or

service. Customers are solely responsible for obtaining the latest relevant information before placing orders.

Applications disclaimer

The circuits in this design/application note are offered as design ideas. It is the responsibility of the user to ensure that the circuit is fit for

the user’s application and meets with the user’s requirements. No representation or warranty is given and no liability whatsoever is

assumed by Zetex with respect to the accuracy or use of such information, or infringement of patents or other intellectual property rights

arising from such use or otherwise. Zetex does not assume any legal responsibility or will not be held legally liable (whether in contract,

tort (including negligence), breach of statutory duty, restriction or otherwise) for any damages, loss of profit, business, contract,

opportunity or consequential loss in the use of these circuit applications, under any circumstances.

Life support

Zetex products are specifically not authorized for use as critical components in life support devices or systems without the express written

approval of the Chief Executive Officer of Zetex Semiconductors plc. As used herein:

A. Life support devices or systems are devices or systems which:

1. are intended to implant into the body

or

2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the

labelling can be reasonably expected to result in significant injury to the user.

B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to

cause the failure of the life support device or to affect its safety or effectiveness.

Reproduction

The product specifications contained in this publication are 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 contract or be regarded as a

representation relating to the products or services concerned.

Terms and Conditions

All products are sold subjects to Zetex’ terms and conditions of sale, and this disclaimer (save in the event of a conflict between the two

when the terms of the contract shall prevail) according to region, supplied at the time of order acknowledgement.

For the latest information on technology, delivery terms and conditions and prices, please contact your nearest Zetex sales office or visit: www.zetex.com

Quality of product

Zetex is an ISO 9001 and TS16949 certified semiconductor manufacturer.

To ensure quality of service and products we strongly advise the purchase of parts directly from Zetex Semiconductors or one of our

regionally authorized distributors. For a complete listing of authorized distributors please visit: www.zetex.com/salesnetwork

Zetex Semiconductors does not warrant or accept any liability whatsoever in respect of any parts purchased through unauthorized sales channels.

ESD (Electrostatic discharge)

Semiconductor devices are susceptible to damage by ESD. Suitable precautions should be taken when handling and transporting devices.

The possible damage to devices depends on the circumstances of the handling and transporting, and the nature of the device. The extent

of damage can vary from immediate functional or parametric malfunction to degradation of function or performance in use over time.

Devices suspected of being affected should be replaced.

Green compliance

Zetex Semiconductors is committed to environmental excellence in all aspects of its operations which includes meeting or exceeding

regulatory requirements with respect to the use of hazardous substances. Numerous successful programs have been implemented to

reduce the use of hazardous substances and/or emissions.

All Zetex components are compliant with the RoHS directive, and through this it is supporting its customers in their compliance with

WEEE and ELV directives.

Product status key:

“Preview”

Future device intended for production at some point. Samples may be available

“Active”

Product status recommended for new designs

“Last time buy (LTB)”

Device will be discontinued and last time buy period and delivery is in effect

“Not recommended for new designs” Device is still in production to support existing designs and production

“Obsolete”

Production has been discontinued

Datasheet status key:

“Draft version”

This term denotes a very early datasheet version and contains highly provisional information, which

may change in any manner without notice.

“Provisional version”

This term denotes a pre-release datasheet. It provides a clear indication of anticipated performance.

However, changes to the test conditions and specifications may occur, at any time and without notice.

“Issue”

This term denotes an issued datasheet containing finalized specifications. However, changes to

specifications may occur, at any time and without notice.