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ZXLD1362EV3 User Guide issue 1 

7/7 

11-01-2008 

 

 

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 labeling 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. 

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. 

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 
[email protected] 

Americas 

Zetex Inc 
700 Veterans Memorial Highway 
Hauppauge, NY 11788 
USA 
 
Telephone: (1) 631 360 2222 
Fax: (1) 631 360 8222 
[email protected] 

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 
[email protected] 

Corporate Headquarters 

Zetex Semiconductors plc 
Zetex Technology Park, Chadderton 
Oldham, OL9 9LL 
United Kingdom 
 
Telephone (44) 161 622 4444 
Fax: (44) 161 622 4446 
[email protected] 

© 2006 Published by Zetex Semiconductors plc. 

 

Содержание ZXLD1362EV3

Страница 1: ...l reduce the supply current Please refer to the Zetex ZXLD1360 and ZXLD1350 products for applications requiring input voltages lower than 30V The nominal current for the evaluation board is set at 700...

Страница 2: ...gen replacement LEDs Automotive lighting Illuminated signs ZXLD1362 Device Packages Pin and Definitions TSOT23 5 pack ZXLD1362 Device Pin Definition Name Pin No Description LX 1 Drain of NDMOS switch...

Страница 3: ...pacitor C2 100nF is used to provide additional decoupling to reduce any high frequency noise as well as enabling the soft start function Both DC and PWM dimming can be achieved by driving the ADJ pin...

Страница 4: ...l comparator When this voltage falls to the internally set lower threshold the NDMOS switch is turned on again This switch on and off cycle continues to provide an average current set by the sense res...

Страница 5: ...battery supply protection 3 Set the PSU to the desired input voltage usually between 30V and 60V 4 Turn on the PSU The external LEDs will illuminate and the current should be approximately 700mA Warn...

Страница 6: ...or supply voltage switching inductor and the number of LEDs With a 60V supply and 15 LEDs the switching frequency is typically 200 kHz and efficiency levels 90 are achievable Visit our website www zet...

Страница 7: ...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 plea...

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