Datasheet

40
50
60
70
80
90
100
0 10 20 30 40 50
6LEDs- TPS61160
V =3.6V
I
V =3V
I
V =4.2V
I
OutputCurrent-mA
Efficiency-%
40
50
60
70
80
90
100
0 10 20 30 40 50
OutputCurrent-mA
4(12.8V),6(19.2V)LEDs
8(25.6V),10(32V)LEDs
6LEDs
V =3.6V
I
4LEDs
8LEDs
10LEDs
Efficiency-%
40
50
60
70
80
90
100
0 10 20 30 40 50
10 LEDs - TPS61161
V = 3.6 V
I
V = 12 V
I
Output Current - mA
Efficiency - %
V = 5 V
I
300
400
500
600
700
800
900
1000
20 30 40 50 60 70 80 90
DutyCycle-%
SwitchCurrentLimit-mA
300
400
500
600
700
800
900
1000
-40 -20 0 20 40 60 80 100 120 140
Temperature- C°
SwitchCurrentLimit-mA
0
20
40
60
80
100
120
140
160
180
200
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32
EasyScaleStepStep
FBVoltage-mV
TPS61160
TPS61161
SLVS791C –NOVEMBER 2007–REVISED APRIL 2012 www.ti.com
EFFICIENCY EFFICIENCY
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 2. Figure 3.
EFFICIENCY SWITCH CURRENT LIMIT
vs vs
OUTPUT CURRENT DUTY CYCLE
Figure 4. Figure 5.
SWITCH CURRENT LIMIT vs TEMPERATURE FB VOLTAGE vs EASY SCALE STEP
Figure 6. Figure 7.
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