AAT2830/31
800mA Total Display Solution
for Portable Devices
Typical Characteristics
AAT2830 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)
AAT2830 Flash Section Efficiency
Flash Current Matching vs. Temperature
55
54
53
52
51
50
49
48
47
46
45
100
90
80
70
60
50
40
30
Channel 4
Channel 3
Channel 2
Channel 1
Data 6, 75mA/Channel
Data 16, 19mA/Channel
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
-40
-15
10
35
60
85
Input Voltage (V)
Temperature (°C)
1X Mode Hysteresis vs. Current Settings
BL1-BL6 Mode Transition Threshold
vs. Current Setting
500
450
400
350
300
250
200
150
100
50
140
120
100
80
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 #)
6
2830.2007.09.1.0
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
