Instruction/ maintenance manual of the product ZXLD1362EV3 Zetex
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ZXLD1362EV3 User Guide issu e 1 1/7 11-01-2008 ZXLD1362EV3 USER GUIDE DESCRIPTION The ZXLD1362EV3, Fig ure 1, is a PCB c onstructed using an aluminium base for e valuating the ZXLD13 62 LED driver with internal switch [1].
ZXLD1362EV3 User Guide issu e 1 2/7 11-01-2008 ZXLD1362 DEVICE DESCRIPTION The ZXLD1362 is a continu ous mode inductive driver in a TSOT23-5 packag e, for driving one or more seri es connected LEDs efficientl y from a voltage source higher than the LE D voltage.
ZXLD1362EV3 User Guide issu e 1 3/7 11-01-2008 ZXLD1362EV3 EV ALUATION BO ARD REFERENCE DESIGN The ZXLD1362EV3 is config ured to the reference design in Figure 2. The target applic at ion is a driver for one or more series-connected LEDs for luminaires in both commercial a nd automotive applications.
ZXLD1362EV3 User Guide issu e 1 4/7 11-01-2008 ZXLD1362 Operation In normal operation, when voltage is ap plied at +VIN, th e ZXLD1362 intern al NDMOS switch is turned on.
ZXLD1362EV3 User Guide issu e 1 5/7 11-01-2008 ZXLD1362EV3 Connection Point Definition Name Description +VIN Positive supply voltage. GND Supply Ground (0 V). ADJ Internal voltage ref. pin (1.25V). This pin can be used to achiev e dimming and soft-start, and for switching the output current off.
ZXLD1362EV3 User Guide issu e 1 6/7 11-01-2008 PERFORMANCE The system efficiency depends on the sens e resistor, supp ly voltage, s witching induct or, and the number of LEDs. With a 60V suppl y and 15 LEDs, the s witching frequency is typic ally 200 kHz and efficie ncy levels >90% ar e achievable.
ZXLD1362EV3 User Guide issu e 1 7/7 11-01-2008 Definitions Product change Zetex Semiconductors reserves the r ight to alter, without no tice , specifica tions, design, price or cond itions of supply of any product or service. Customers are solely responsible for o btaining the latest re levant information before placing orders.
An important point after buying a device Zetex ZXLD1362EV3 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Zetex ZXLD1362EV3 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Zetex ZXLD1362EV3 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Zetex ZXLD1362EV3 you will learn all the available features of the product, as well as information on its operation. The information that you get Zetex ZXLD1362EV3 will certainly help you make a decision on the purchase.
If you already are a holder of Zetex ZXLD1362EV3, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Zetex ZXLD1362EV3.
However, one of the most important roles played by the user manual is to help in solving problems with Zetex ZXLD1362EV3. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Zetex ZXLD1362EV3 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center