DS51 Datasheet, PDF (23/41 Pages) Lumileds Lighting Company – the most robust and powerful LED

Typical Forward Current Characteristics
Cool White, Neutral White, Warm White, Green, Cyan, Blue
and Royal Blue, Junction Temperature, T_J = 25°C
1600
1500
1400
1300
1200
1100
1000
900
800
700
600
500
400
300
200
100
0
3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9
V_f - Forward Voltage (Volts)
Figure 14. Forward current vs. forward voltage for white, green, cyan, blue and royal blue.
Red, Red Orange and Amber, Junction Temperature, T_J = 25°C
800
700
600
500
400
300
200
100
0
-100 ^{2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8}
V_F - Forward Voltage (Volts)
Figure 15. Forward current vs. forward voltage for red, red orange and amber.
Notes for Figures 14 & 15:
Driving these high power devices at currents less than the test conditions (350 mA or 1000 mA) may produce unpre
dictable results and may be subject to variation in performance. Pulse width modulation (PWM) is recommended for
dimming effects.
LUXEON K2 Datasheet DS51 (7/07)
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