Instruction/ maintenance manual of the product ZXLD1362EV3 Zetex Semiconductors PLC
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ZXLD1362EV3 User Guide issu e 1 1/7 11-01-2008 ZXLD1362EV3 USER GUIDE DESCRIPTION The ZXLD1362EV3, F igure 1, is a PC B constructed using an aluminium b ase for evaluating the ZXLD1362 LE D driver with internal switch [1].
ZXLD1362EV3 User Guide issu e 1 2/7 11-01-2008 ZXLD1362 DEVICE DESCRIPTION The ZXLD1362 is a contin uous mode induc tive driver in a TSOT 23-5 package, for driving one or more series connected LEDs efficientl y from a voltage source hig her t han the LED 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 desi gn in Figure 2. The target appl icat ion is a dr iver for one or more series-connected LEDs for luminaires i n both commercial and automotive applic ations.
ZXLD1362EV3 User Guide issu e 1 4/7 11-01-2008 ZXLD1362 Operation In normal operation, when voltage is applied at +VIN, th e ZXLD1362 internal ND MOS switch i s turned on. Curren t starts to flow through sense re sistor R1, inductor L1, an d the LEDs.
ZXLD1362EV3 User Guide issu e 1 5/7 11-01-2008 ZXLD1362EV3 Connection Point Definition Name Description +VIN Positive supply voltage. GND Supply Grou nd (0V). ADJ Internal voltage ref. pin (1.25V). This pin can be used to a chieve 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 frequenc y is typically 200 kHz and efficiency lev els >90% are 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 sole ly responsible for o btaining the latest r elevant information before placing orders.
An important point after buying a device Zetex Semiconductors PLC 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 Semiconductors PLC 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 Semiconductors PLC ZXLD1362EV3 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Zetex Semiconductors PLC ZXLD1362EV3 you will learn all the available features of the product, as well as information on its operation. The information that you get Zetex Semiconductors PLC ZXLD1362EV3 will certainly help you make a decision on the purchase.
If you already are a holder of Zetex Semiconductors PLC 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 Semiconductors PLC ZXLD1362EV3.
However, one of the most important roles played by the user manual is to help in solving problems with Zetex Semiconductors PLC ZXLD1362EV3. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Zetex Semiconductors PLC 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
