Texas Instruments TPS61166-446 Evaluation Board TPS61166EVM-446 TPS61166EVM-446 TPS61166EVM-446 데이터 시트
제품 코드
TPS61166EVM-446
0
10
20
30
40
50
60
70
80
90
100
1
10
100
1000
Load - mA
Efficiency-%
V = 8 V
I
V = 5 V
I
V = 3.6 V
I
5 LEDs = 14.5 V
V = 2.7 V
I
1
10
100
1000
Load - mA
0
10
20
30
40
50
60
70
80
90
100
Efficiency-%
V = 5 V
I
V = 3.6 V
I
V = 2.7 V
I
4 LEDs = 11.5 V
1
10
100
1000
Load - mA
0
10
20
30
40
50
60
70
80
90
100
Efficiency-%
V = 5 V
I
V = 3.6 V
I
V = 2.7 V
I
3 LEDs = 8.5 V
198.5
199
199.5
200
200.5
2.5
3
3.5
4
4.5
5
5.5
6
V - Input Voltage - V
I
VFB-mV
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SLVS991 – SEPTEMBER 2009
LED EFFICIENCY
LED EFFICIENCY
vs
vs
LED CURRENT
LED CURRENT
Figure 3.
Figure 4.
LED EFFICIENCY
FB VOLTAGE
vs
vs
LED CURRENT
INPUT VOLTAGE
Figure 5.
Figure 6.
Copyright © 2009, Texas Instruments Incorporated
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