UM10406

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User manual

Rev. 01 — 3 August 2010

14 of 21

NXP Semiconductors

UM10406

SSL1523 5 W LED driver

9.2 Efficiency curves

(1) LED current = 250 mA.

(2) LED current = 200 mA.

(3) LED current = 150 mA.

Fig 11. 120 V (AC) efficiency curve

(1) LED current = 250 mA.

(2) LED current = 200 mA.

(3) LED current = 150 mA.

Fig 12. 230 V (AC) efficiency curve

019aaa142

LED voltage (V)

12

28

24

20

16

0.76

0.80

0.84

η

(%)

0.72

(1)

(2)

(3)

019aaa143

LED voltage (V)

12

28

24

20

16

0.76

0.80

0.84

η

(%)

0.72

(1)

(3)

(2)