Datasheet

50
60
70
80
90
100
0 10 20 30 40 50 60 70 80 90 100
PWMDimmingDutyCycle-%
V =11V
bat
Efficiency-%
V =19V
bat
V =7V
bat
V =28.8V,TPS61181
ISET=20 A,
DimmingFrequency=200Hz
O
m
50
60
70
80
90
100
0 10 20 30 40 50 60 70 80 90 100
PWMDimmingDutyCycle-%
Efficiency-%
V =36.2V-TPS61181
ISET=20 A
DimmingFrequency=200Hz
O
m
V =19V
bat
V =11V
bat
V =7V
bat
80
82
84
86
88
90
92
94
96
98
100
Efficiency-%
0 25 50
75
100
125
150
I -OutputCurrent-mA
O
V =11V
bat
10 Hm
4.7 Hm
V =28.8V,
TPS61181
O
80
82
84
86
88
90
92
94
96
98
100
Efficiency-%
0 25 50
75
100
125
150
I -OutputCurrent-mA
O
V =7V
bat
V =19V
bat
V =11V
bat
V =28.8V,
TPS61181
O
TPS61180/1/2
SLVS801E –DECEMBER 2007–REVISED APRIL 2013 www.ti.com
EFFICIENCY EFFICIENCY
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 4. Figure 5.
EFFICIENCY EFFICIENCY
vs vs
DIMMING DUTY CYCLE DIMMING DUTY CYCLE
Figure 6. Figure 7.
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