DATA SHEET
AAT2822/2823/2824/2825
TFT-LCD DC/DC Converter with WLED Driver and VCOM Buffer
Typical Characteristics
VGH vs. Temperature
VGH Load Regulation
30.5
30.4
30.3
30.2
30.1
30.0
29.9
29.8
29.7
29.6
29.5
30.5
30.4
30.3
30.2
30.1
30.0
29.9
29.8
29.7
29.6
29.5
5.0V
2.7V
-40
-15
10
35
60
85
0
2
4
6
8
10
12
14
16
18
20
Temperature (°C)
Load Current (mA)
VGL vs. Temperature
VGL Load Regulation
-29.50
-29.60
-29.70
-29.80
-29.90
-30.00
-30.10
-30.20
-30.30
-30.40
-30.50
-29.5
-29.6
-29.7
-29.8
-29.9
-30.0
-30.1
-30.2
-30.3
-30.4
-30.5
5.0V
2.7V
-40
-15
10
35
60
85
0
2
4
6
8
10
12
14
16
18
20
Temperature (°C)
Load Current (mA)
WLED Efficiency vs. Load Current
WLED Operation at 300mA Load
(7S3P; VIN = 5V; VL = 12V)
(VIN = 5.0V, 3S13P)
90
80
70
60
50
40
30
20
10
0
VLED
(5V/div)
VOUT
(100mV/div)
ILED
(500mA/div)
0
10
20
30
40
50
60
70
80
90
100
Load Current (mA)
Time (200µs/div)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
9
202081B
• Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 2, 2012
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
