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LXK2-PWN2-R00 数据表(PDF) 29 Page - Lumileds Lighting Company |
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LXK2-PWN2-R00 数据表(HTML) 29 Page - Lumileds Lighting Company |
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29 / 41 page ![]() LUXEON K2 Datasheet DS51 (7/07) 29 Current Derating Curve for 1000 mA Drive Current CoolWhite, NeutralWhite, WarmWhite, Green, Cyan, Blue and Royal Blue Current Derating Curve for 1500 mA Drive Current CoolWhite, NeutralWhite, WarmWhite, Green, Cyan, Blue and Royal Blue 0 200 400 600 800 1000 1200 0 25 50 75 100 125 150 175 TA - Ambient Temperature (°C) Figure 25: Maximum forward current vs. ambient temperature, based on TJMAX = 150ºC. 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 0 300 600 900 1200 1500 1800 0 25 50 75 100 125 150 175 TA - Ambient Temperature (°C) Figure 26: Maximum forward current vs. ambient temperature, based on TJMAX = 150ºC. 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 TA - Ambient Temperature (ºC) TA - Ambient Temperature (ºC) |
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