Texas Instruments TPS92691, Руководство пользователя, Страница: 10 / 25

No. of LEDs in Series
L
ED Curren
t
(mA)
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
498
500
502
504
D009
VIN = 10V
VIN = 14V
VIN = 18V
No. of LEDs in Series
L
ED Curren
t
(mA)
2 4 6 8 10 12 14 16 18
298
299
300
301
302
303
304
D008
VIN = 10V
VIN = 14V
VIN = 18V
No. of LEDs in Series
L
ED C
ur
ren
t
(mA)
2 4 6 8 10 12 14 16 18
98
98.5
99
99.5
100
100.5
101
101.5
102
D007
V
IN
= 10V
V
IN
= 14V
V
IN
= 18V
Performance Data and Typical Characteristic Curves
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6.3 Load Regulation
Figure 10. Output LED Current vs. LED String Configuration (V
IADJ
= 140 mV)
Figure 11. Output LED Current vs. LED String Configuration (V
IADJ
= 420 mV)
Figure 12. Output LED Current vs. LED String Configuration (V
IADJ
= 700 mV)
10 TPS92691 SEPIC LED Driver Evaluation Board SLVUAL8 – December 2015
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