CXB1830 datasheet(7/15 Pages) CREE

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XLamp® CXB1830 LED

rELativE LuMinous fLuX

The relative luminous flux values provided below are the ratio of measurements of the CXB1830 LED at steady‑state operation at the given

conditions, divided by the flux measured during binning, which is a pulsed measurement at 800 mA at T

J = 85 °C.

For example, at steady‑state operation of Tc = 25 °C, I

F = 900 mA, the relative luminous flux ratio is 120% in the chart below. A CXB1830

LED that measures 3200 lm during binning will deliver 3840 lm (3200 * 1.2) at steady‑state operation of Tc = 25 °C, I

F = 900 mA.

20%

40%

60%

80%

100%

120%

140%

160%

180%

400

600

800

1000

1200

1400

Current (mA)

Tc = 25 °C

Tc = 55 °C

Tc = 85 °C

Tc = 105 °C

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