AAT2830/31
800mA Total Display Solution
for Portable Devices
Typical Characteristics
EN/SET High Threshold Voltage
vs. Input Voltage
EN/SET High Threshold (V)
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
EN/SET Low Threshold Voltage
vs. Input Voltage
EN/SET Low Threshold (V)
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
1.2
-40°C
25°C
-40°C
25°C
85°C
85°C
Input Voltage (V)
Input Voltage (V)
EN/SET Latch Timeout vs. Input Voltage
500
450
400
600
550
500
EN/SET Off Timeout vs. Input Voltage
T
OFF
(µs)
T
LAT
(µs)
25°C
85°C
-40°C
25°C
-40°C
85°C
450
400
350
300
250
350
300
250
200
150
2.7
200
3.1
3.5
3.9
4.3
4.7
5.1
5.5
150
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
Input Voltage (V)
Turn On to 1X Mode Backlight
(30mA/channel; Address 0, Data 16; V
IN
= 4.4V)
Turn On to 1.5X Mode Backlight
(30mA/channel; Address 0, Data 16; V
IN
= 3.5V)
V
EN/SET
(2V/div)
V
OUT
(2V/div)
V
BLX
(0.5V/div)
I
IN
(0.1A/div)
Time (200µs/div)
V
EN/SET
(2V/div)
V
OUT
(2V/div)
V
BLX
(0.5V/div)
I
IN
(0.2A/div)
Time (200µs/div)
2830.2007.09.1.0
7
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
