Datasheet

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0
200
400
600
800
1000
1200
1400
250 350 450
550 650
750 850
950
1050
LEDPinHeadroomVoltage-mV
LEDCurrent-mA
I =75mA
LED
I =1200mA
LED
I =2000mA
LIM
I =150mA
LED
I =900mA
LED
I =700mA
LED
I =500mA
LED
0
250
500
750
1000
1250
1500
1750
2000
2250
2500
DCInputCurrent-mA
2.5 2.9 3.3 3.7 4.1 4.5 4.9 5.3 5.5
V -InputVoltage-V
I
I =300mA
LED
I =1200mA
LED
I =2000mA
LIM
I =900mA
LED
I =500mA
LED
I =700mA
LED
0
20
40
60
80
100
120
140
160
180
200
220
240
260
280
300
0
40 80 120 160 200 240 280 300
LEDCurrentDigitalCode-mA
LEDCurrent-mA
V =3.6V
IN
V =2.5V
IN
I =2000mA
LIM
V =4.5V
IN
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
0 200 400 600 800 1000 1200 1300
LEDCurrentDigitalCode-mA
LEDCurrent-mA
V =4.5V
IN
V =3.6V
IN
V =2.5V
IN
I =2000mA
LIM
TPS61050
TPS61052
SLUS525 – MARCH 2007
DC INPUT CURRENT LED CURRENT
vs vs
INPUT VOLTAGE LED PIN HEADROOM VOLTAGE
Figure 6. Figure 7.
LED CURRENT LED CURRENT
vs vs
LED CURRENT DIGITAL CODE LED CURRENT DIGITAL CODE
Figure 8. Figure 9.
10
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