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LXK2-PWN2-R00 数据表(PDF) 28 Page - Lumileds Lighting Company |
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LXK2-PWN2-R00 数据表(HTML) 28 Page - Lumileds Lighting Company |
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28 / 41 page ![]() LUXEON K2 Datasheet DS51 (7/07) 28 Current Derating Curve for 700 mA Drive Current Green, Cyan, Blue and Royal Blue Current Derating Curve for 700 mA Drive Current Red, RedOrange and Amber 0 100 200 300 400 500 600 700 800 0 25 50 75 100 125 150 175 200 TA - Ambient Temperature ( C) Figure 23: Maximum forward current vs. ambient temperature, based on TJMAX = 175ºC. 0 100 200 300 400 500 600 700 800 0 25 50 75 100 125 TA - Ambient Temperature (≅≅C) Figure 24: Maximum forward current vs. ambient temperature, based on TJMAX = 100ºC. TA - Ambient Temperature (ºC) TA - Ambient Temperature (ºC) R R θθ J J A A= =5 50 0ººC C//W W R R θθ J J A A= =4 40 0ººC C//W W R R θθ J J A A= =3 30 0ººC C//W W R R θθ J J A A= =2 25 5ººC C//W W R R θθ J J A A= =2 20 0ººC C//W W R R θθ J J A A= =1 15 5ººC C//W W R R θθ J J A A= =3 30 0ººC C//W W R R θθ J J A A= =2 25 5ººC C//W W R R θθ J J A A= =2 20 0ººC C//W W R R θθ J J A A= =1 15 5ººC C//W W |
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