AS1122 datasheet(8/23 Pages) AMSCO

部件名	AS1122

功能描述	12-Channel LED Dr iver wi th Dot Cor rect ion and Greyscale PWM

PDF	23 Pages

Scroll/Zoom	100%

制造商	AMSCO [ams AG]

网页	http://www.ams.com

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www.austriamicrosystems.com/LED-Driver-ICs

Revision 1.00

7 - 22

AS112

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

Figure 10. ICOC vs. Temperature; REXT = 1k

Ω

Figure 11. ICOC vs. Temperature; REXT = 10k

Ω

38.5

39.5

40.5

41.5

-40

-15

Ambient Temperature( C)

Vdd = 2.7V

Vdd = 3.0V

Vdd = 3.6V

3.8

3.85

3.9

3.95

4.05

4.1

4.15

4.2

-40

-15

Ambient Temperature( C)

Vdd = 2.7V

Vdd = 3.0V

Vdd = 3.6V

Figure 12. ICOC vs. REXT

Figure 13. ICOC vs. Dot Correction; REXT = 1k

Ω

RIREF (kOhm)

Dot Correction

Figure 14. ICOC vs. PWM; REXT = 1k

Ω

Figure 15. ICOC vs. PWM; REXT = 1k

Ω

500 1000 1500 2000 2500 3000 3500 4000

PWM (#)

0.1

0.2

0.3

0.4

PWM (#)

AS1122 数据表(PDF) 8 Page - ams AG

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