AS1119 datasheet(8/31 Pages) AMSCO

номер детали	AS1119

подробное описание детали	144-LED Cross-Plexing Driver with 320mA Charge-Pump

PDF	31 Pages

Scroll/Zoom	100%

производитель	AMSCO [ams AG]

домашняя страница	http://www.ams.com

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www.austriamicrosystems.com/LED-Driver-ICs/AS1119

Revision 1.04

7 - 30

AS1119

Datasheet - Ty pical Operating Characteristics

7 Typical Operating Characteristics

Figure 4. Segment Drive Current vs. Supply Voltage

Figure 5. Segment Drive Current vs. Temperature

28.5

29.5

30.5

2.7

2.9

3.1

3.3

3.5

3.7

3.9

Supply Voltage (V)

+25°C

-45°C

+85°C

28.5

29.5

30.5

-45

-25

-5

Temperature (°C)

Vdd = 2.7V

Vdd = 3.0V

Vdd = 3.3V

Vdd = 4.0V

Figure 6. Segment Drive Current vs. Output Voltage

Figure 7. RONNMOS vs. Supply Voltage

28.5

29.5

30.5

1.6

2.4 2.8 3.2 3.6

4.4 4.8 5.2

Output Voltage (V)

Vdd = 2.7V

Vdd = 3.3V

Vdd = 4.0V

Vdd = 5.5V

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

Supply Voltage (V)

-45°C

+25°C

+85°C

Figure 8. Open Detection Level vs. Supply Voltage

Figure 9. Short Detection Level vs. Supply Voltage

100

150

200

250

300

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

Supply Voltage (V)

-45°C

+25°C

+85°C

0.7

0.75

0.8

0.85

0.9

0.95

1.05

1.1

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

Supply Voltage (V)

-45°C

+25°C

+85°C

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