LP8501 datasheet(10/51 Pages) TI1

10 / 51 page

VDD = 3.6V

VDD = 3.3V

VDD = 3.0V

VDD = 2.7V

LOAD CURRENT (A)

0.12

3.98

4.50

4.24

3.72

3.46

3.20

0.15

0.09

0.07

0.04

0.01

IOUT = 10 mA

100

3.0

VDD (V)

IOUT = 60 mA

IOUT = 30 mA

2.5

3.5

4.0

4.5

5.0

VLED = 3.3V

VLED = 3.6V

VLED = 3V

IOUT = 45 mA

VDD

2.6

3.1

3.6

4.0

4.5

5.0

100

VDD = 2.7V

VDD = 3.0V

VDD = 3.3V

VDD = 3.6V

0.89

0.92

0.86

0.83

0.81

0.78

0.75

LOAD CURRENT (A)

0.09

0.07

0.12

0.15

0.04

0.01

102

153

204

255

CURRENT CODE (DEC)

26.0

20.8

15.6

10.4

5.2

0.0

VDD

2.5

17.0

3.1

3.7

4.3

4.9

5.5

17.1

17.2

17.3

17.4

17.5

17.6

17.7

17.8

17.9

18.0

LP8501

SNVS548D – SEPTEMBER 2008 – REVISED AUGUST 2013

www.ti.com

TYPICAL PERFORMANCE CHARACTERISTICS

LED Current vs. Current Register Code

LED Current vs. Supply Voltage

Figure 3.

Figure 4.

LED Drive Efficiency vs. Input Voltage Automatic Gain

Change

Charge Pump Efficiency vs. Load Current 1.5x Mode

Figure 5.

Figure 6.

Charge Pump Efficiency vs. Input Voltage 1.5x Mode

Charge Pump Output Voltage 1.5x Mode vs. Load Current

Figure 7.

Figure 8.

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