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TPS61150A Datasheet, PDF (7/24 Pages) Texas Instruments – DUAL OUTPUT BOOST WLED DRIVER USING SINGLE INDUCTOR
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EFFICIENCY
vs
LOAD CURRENT
90
WLED Voltage = 11V , 3 WLED,
Single Output
80
VI = 3.6V
70
VI = 3.3V
60
VI = 4.2V
50
0
5
10
15
20
25
WLED Current - mA
Figure 3.
EFFICIENCY
vs
LOAD CURRENT
90
WLED Voltage = 19V , 5 WLED,
Single Output
80
VI = 4.2V
70
VI = 3.6V
VI = 3.3V
60
50
0
5
10
15
20
25
WLED Current - mA
Figure 5.
TPS61150A
SLVS706 – OCTOBER 2006
EFFICIENCY
vs
LOAD CURRENT
90
WLED Voltage = 15V , 4 WLED,
Single Output
80
VI = 4.2V
70
VI = 3.3V
VI = 3.6V
60
50
0
5
10
15
20
25
WLED Current - mA
Figure 4.
EFFICIENCY
vs
LOAD CURRENT
90
WLED Voltage = 23V , 6 WLED,
Single Output
80
VI = 4.2V
70
VI = 3.6V
VI = 3.3V
60
50
0
5
10
15
20
25
WLED Current - mA
Figure 6.
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