AS1112B-BQFT datasheet(8/20 Pages) AMSCO

Part #	AS1112B-BQFT

Description	16-Channel LED Dr iver wi th Dot Cor rect ion and Greyscale PWM

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Manufacturer	AMSCO [ams AG]

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www.austriamicrosystems.com/LED-Driver-ICs/AS1112

Revision 1.13

7 - 19

AS1112

Datasheet - Ty p i c a l O p e r a t i n g C h a r a c t e r i s t i c s

8 Typical Operating Characteristics

TAMB = 25ºC (unless otherwise specified).

Figure 3. Output Current vs. VDS; VDD = 5V

Figure 4. Output Current vs. VDS; VDD = 5V

0

10

20

30

40

50

60

70

80

90

100

110

120

0

2

4

6

8

10

VDS (V)

Iout = 80mA (480

Ω)

Iout = 40mA (1k

Ω)

Iout = 15mA (2.7k

Ω)

Iout = 60mA (640

Ω)

Iout = 100mA (390

Ω)

0

10

20

30

40

50

60

70

80

90

100

110

120

0

0.5

1

1.5

2

2.5

3

VDS (V)

Iout = 80mA (480

Ω)

Iout = 40mA (1k

Ω)

Iout = 15mA (2.7k

Ω)

Iout = 60mA (640

Ω)

Iout = 100mA (390

Ω)

Figure 5. Output Current vs. VDS; VDD = 3V

Figure 6. Output Current vs. VDS; VDD = 3V

0

10

20

30

40

50

60

70

80

90

0

2

4

6

8

10

VDS (V)

Iout = 80mA (480

Ω)

Iout = 40mA (1k

Ω)

Iout = 15mA (2.7k

Ω)

Iout = 60mA (640

Ω)

0

10

20

30

40

50

60

70

80

90

0

0.5

1

1.5

2

2.5

3

VDS (V)

Iout = 80mA (480

Ω)

Iout = 40mA (1k

Ω)

Iout = 15mA (2.7k

Ω)

Iout = 60mA (640

Ω)

Figure 7. Output Current vs. REXT;

Figure 8. Output Current vs. Dot Correction Value;

1

10

100

0

1

2

3

4

5

6

7

8

9

10

REXT (kOhm )

0

10

20

30

40

50

60

70

80

90

0

9

18

27

36

45

54

63

Dot Correction Value

Iout = 40mA (1k

Ω)

Iout = 80mA (480

Ω)

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