AAT2833/34
240mA Total Display Solution
for Portable Devices
Typical Characteristics
AAT2833 Backlight Section Efficiency
Backlight Current Matching vs. Temperature
100
32
31.5
31
30mA/Channel
90
19mA/Channel
80
30.5
Channel 5
Channel 6
70
60
30
29.5
29
50
2.1mA/Channel
Channel 3
Channel 2
40
28.5
28
Channel 4
Channel 1
30
-40
-15
10
35
60
85
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
Temperature (°C)
1X Mode Hysteresis vs. Current Settings
BL1-BL6 Mode Transition Threshold
vs. Current Setting
500
140
120
100
80
450
400
350
300
250
200
150
100
50
60
40
20
0
0
2
4
6
8
10
12
14
16
2
4
6
8
10
12
14
16
Current Setting (Address 0, Data #)
Current Setting (Address 0, Data #)
EN/SET High Threshold Voltage
vs. Input Voltage
EN/SET Low Threshold Voltage
vs. Input Voltage
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
25°C
-40°C
25°C
-40°C
85°C
85°C
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
Input Voltage (V)
6
2833.2007.09.1.0
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
