AS1108-WL ams, AS1108-WL Datasheet - Page 14

• Manufacturer Part Number: AS1108-WL
• Description: LED Display Drivers
• Manufacturer: ams

Specifications of AS1108-WL

• Rohs: yes
• Number Of Digits: 4
• Number Of Segments: 7
• Mounting Style: SMD/SMT
• Package / Case: SOIC-20
• Operating Supply Voltage: 5 V
• Maximum Supply Current: 1 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Number Of Leds: 1
• Power Dissipation: 941 mW

AS1108
Datasheet - Ty p i c a l A p p l i c a t i o n
Table 22. R
Table 23. R
Table 24. Package Thermal Data
www.austriamicrosystems.com/LED-Driver-ICs/AS1108
I
I
SEG
SEG
40
30
20
10
20
10
(mA)
(mA)
20 Narrow DIP
20 Wide SOIC
Package
SET
SET
vs. Segment Current and LED Forward Voltage, V
vs. Segment Current and LED Forward Voltage, V
11.35kΩ
15.4kΩ
23.6kΩ
48.9kΩ
36.89kΩ
17.7kΩ
1.5
1.5
11.12kΩ
15.1kΩ
23.1kΩ
47.8kΩ
Thermal Resistance (
2.0
17.3kΩ
35.7kΩ
2.0
+75°C/W
+85°C/W
10.84kΩ
14.7kΩ
22.6kΩ
46.9kΩ
2.5
Revision 2.12
V
16.6kΩ
34.5kΩ
LED
Θ
2.5
JA
V
(V)
LED
)
DD
DD
(V)
= 4.0V (Continued)
= 5.0V
10.49kΩ
14.4kΩ
45.4kΩ
22kΩ
3.0
15.6kΩ
32.5kΩ
3.0
10.2kΩ
13.6kΩ
21.1kΩ
43.8kΩ
3.5
13.6kΩ
29.1kΩ
3.5
13.1kΩ
20.2kΩ
9.9kΩ
42kΩ
4.0
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