LM3632A datasheet(10/64 Pages) TI1

номер детали	LM3632A

подробное описание детали	Single-Chip Backlight With Bias Power and 1.5-A Flash LED Driver

Download	64 Pages

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производитель	TI1 [Texas Instruments]

домашняя страница	http://www.ti.com

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Load (mA)

0.0

2.5

5.0

7.5

10.0 12.5 15.0 17.5 20.0 22.5 25.0

0.10

0.12

0.15

0.18

0.20

0.22

0.25

0.28

D025

VIN = 2.7 V

VIN = 3.7 V

VIN = 5 V

Step (DEC)

0

1

2

3

4

5

6

7

8

9

10 11 12 13 14 15

0.00

0.25

0.50

0.75

1.00

1.25

1.50

1.75

D026

TA = -40GC

TA = 25GC

TA = 85GC

Load (mA)

0

5

10

15

20

25

30

35

40

45

50

14

15

16

17

18

19

20

21

D023

VIN = 2.7 V

VIN = 3.7 V

VIN = 5 V

Load (mA)

0

5

10

15

20

25

30

35

40

45

50

16

17

18

19

20

21

22

23

24

25

D024

VIN = 2.7 V

VIN = 3.7 V

VIN = 5 V

Brightness Code

0

256

512

768

1024

1280

1536

1792

2048

0.0

0.1

0.2

0.3

0.4

0.5

0.6

D021

VIN = 2.7 V

VIN = 3.7 V

VIN = 5 V

Brightness Code

0

256

512

768

1024

1280

1536

1792

2048

0.0

0.1

0.2

0.3

0.4

0.5

0.6

D022

TA = -40GC

TA = 25GC

TA = 85GC

LM3632A

SNVSA63A – APRIL 2015 – REVISED SEPTEMBER 2015

www.ti.com

Typical Characteristics (continued)

Ambient temperature is 25°C and VIN is 3.7 V unless otherwise noted.

2p6s LEDs

Figure 8. Backlight LED Current-Step Ratio

Figure 9. Backlight LED Current-Step Ratio

2p6s LEDs

2p7s LEDs

Figure 10. Backlight Boost Voltage

Figure 11. Backlight Boost Voltage

2p6s LEDs

ƒ = 4 MHz

Figure 12. Backlight Headroom Voltage

Figure 13. Flash LED Current

10

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