AS1109-BSOT austriamicrosystems, AS1109-BSOT Datasheet - Page 7

• Manufacturer Part Number: AS1109-BSOT
• Description: IC LED 4-BIT CC DRIVER 16-SOIC
• Manufacturer: austriamicrosystems
• Type: General Purposer

Specifications of AS1109-BSOT

• Constant Current: *
• Constant Voltage: *
• Topology: *
• Number Of Outputs: *
• Internal Driver: *
• Type - Primary: *
• Type - Secondary: *
• Frequency: *
• Voltage - Supply: *
• Voltage - Output: *
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Operating Temperature: *
• Current - Output / Channel: *
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -
• Other names: AS1109-BSOTTR

AS1109
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
7 Typical Operating Characteristics
Figure 3. Output Current vs. R
V
Figure 5. Output Current vs. V
V
Figure 7. Relative I
V
www.austriamicrosystems.com/LED-Driver-ICs/AS1109
DD
DD
DD
= 5V; V
= 5V, T
= 5V, Iout/Iout@25°C - 1, T
100
160
140
120
100
-0.5
0.5
10
80
60
40
20
-1
1
0
1
0
100
-50
0
AMB
OUT
REXT = 186Ω;
VDS = 0.8V
REXT = 372Ω;
VDS = 0.6V
= 25°C
2
= 0.8V, T
-25
OUT
4
Temperature (°C)
Error vs. Temperature
AMB
0
R
EXT
6
DS
EXT
V
1000
= 25°C
AMB
DS
25
;
(Ohm)
,
8
(V)
= 25°C
50
10
REXT = 372Ω
REXT = 744Ω
REXT = 127Ω
REXT = 150Ω
REXT = 186Ω
REXT = 251Ω
REXT = 744Ω;
VDS = 0.5V
12
75
10000
14
100
Revision 1.20
Figure 4. Relative Output Current Error vs. V
Iout/Iout@VDD = 5V - 1, T
Figure 6. Output Current vs. V
V
Figure 8. Output Current vs. V
DD
-0.5
-1.5
160
140
120
100
= 5V, T
160
140
120
100
1.5
0.5
80
60
40
20
80
60
40
20
-1
-2
0
2
1
0
0
0
3
3
AMB
REXT = 372Ω;
VDS = 0.6V
REXT = 744Ω;
VDS = 0.5V
0.2
= 25°C
3.5
3.5
0.4
AMB
0.6
4
4
V
V
V
DS
DD
= 25°C
DD
DS
DD
;
0.8
(V)
(V)
(V)
REXT = 186Ω;
VDS = 0.8V
4.5
4.5
1
REXT = 372Ω
REXT = 744Ω
REXT = 127Ω
REXT = 150Ω
REXT = 186Ω
REXT = 251Ω
DD
VDS = 0.6V
VDS = 0.5V
VDS = 0.8V
VDS = 0.7V
VDS = 0.9V
1.2
5
,
5
VDS = 1V
1.4
5.5
5.5
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