Datasheet

198.5
199
199.5
200
200.5
4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10
VBAT-V
VFB-mV
0.198
0.199
0.2
0.201
0.202
-40 -20 0 20 40 60 80 100 120
T -Free-AirTemperature-ºC
A
VFB-V
V
100mV; AC
O
LEDCurrent
50mA/div
InductorCurrent
500mA/div
t- Time=400 s/divm
0.8
0.9
1
1.1
1.2
1.3
-40 -20 0 20 40 60 80 100 120
T -Free-AirTemperature-ºC
A
ILIM- A
TPS61166
SLVS991 – SEPTEMBER 2009 .......................................................................................................................................................................................... www.ti.com
FB VOLTAGE FB VOLTAGE
vs vs
VBAT VOLTAGE FREE-AIR TEMPERATURE
Figure 7. Figure 8.
SWITCH CURRENT LIMIT
vs
FREE-AIR TEMPERATURE 1-kHz PWM DIMMING WITH DUTY=30%
Figure 9. Figure 10.
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