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max sigurna struja kroz LED
#4
Odprilike se to svodi na problem kao kad bi hteo da nadjes max discipaciju ili struju nekog tranzistora, dakle zaglup …

Znas i sam da sve poluprovodnike prakticno mozes da teras koliko hoces samo kad bi mogao da ih ohladis.
Kod LED je slican problem jer im fosforni sloj "lapi".
U tom smislu mozda je ipak bolja ova tvoja druga metoda gde pratis temperaturu.

Koliko znam kod LED kada se prodje "koleno" krive za U/I kada pocne da provodi, povecavanjem napona linearno raste struja i nema vise nikakve "krivine" u tom delu na osnovu koje bi mogao da ustanovis neki limit (samo el. lampe i jezgra transformatora imaju takve neke osobine, tacke zasicenja), dakle samo discipacija (temperatura) je tu ogranicavajuci faktor.
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Messages In This Thread
max sigurna struja kroz LED - by bogdan.kecman - 05-29-2015, 04:04 PM
RE: max sigurna struja kroz LED - by Khadgar2007 - 05-29-2015, 04:56 PM
RE: max sigurna struja kroz LED - by mikikg - 05-29-2015, 06:01 PM
RE: max sigurna struja kroz LED - by mikikg - 05-29-2015, 06:37 PM
RE: max sigurna struja kroz LED - by Khadgar2007 - 05-29-2015, 06:44 PM
RE: max sigurna struja kroz LED - by Macola - 05-29-2015, 11:36 PM
RE: max sigurna struja kroz LED - by ivanlukic - 05-30-2015, 06:24 AM
RE: max sigurna struja kroz LED - by branko tod - 05-30-2015, 08:39 PM
RE: max sigurna struja kroz LED - by Macola - 05-30-2015, 10:16 PM
RE: max sigurna struja kroz LED - by Macola - 05-31-2015, 10:50 AM
RE: max sigurna struja kroz LED - by branko tod - 06-01-2015, 11:57 AM
RE: max sigurna struja kroz LED - by branko tod - 06-01-2015, 12:51 PM
RE: max sigurna struja kroz LED - by Macola - 06-01-2015, 06:57 PM
RE: max sigurna struja kroz LED - by Macola - 06-01-2015, 10:17 PM
RE: max sigurna struja kroz LED - by mikikg - 06-01-2015, 11:07 PM
RE: max sigurna struja kroz LED - by branko tod - 06-03-2015, 05:04 AM

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