DATA SHEET
AAT2822/2823/2824/2825
TFT-LCD DC/DC Converter with WLED Driver and VCOM Buffer
Part Number Descriptions
Part Number
AAT2822
AAT2822-1
AAT2823
AAT2823-1
AAT2824
AAT2824-1
AAT2825
AAT2825-1
LCD Bias
Startup Sequence
VAVDD->VGH->VGL
VAVDD->VGL->VGH
VAVDD->VGH->VGL
VAVDD->VGL->VGH
VAVDD->VGH->VGL
VAVDD->VGL->VGH
VAVDD->VGH->VGL
VAVDD->VGL->VGH
Backlight
VCOM Buffer
Absolute Maximum Ratings
1
Description
V
IN
, EN
V
DD
, OPIN, OUT, OP+, OP-
LX, WLX
WCOMP, COMP, FB, FBP, FBN, REF, WEN, PWM, WFB, OVP
DRVP
DRVN
Value
-0.3 to 7
-0.3 to 15
-0.3 to 30
-0.3 to V
IN
+ 0.3
-0.3 to (V
DD
+ 0.3)
-0.3 to (V
DD
+ 0.3)
Units
V
Thermal Information
2
Symbol
Θ
JA
P
D
T
J
T
LEAD
Description
Thermal Resistance
3
Maximum Power Dissipation
Operating Junction Temperature Range
Maximum Soldering Temperature (at Leads)
Value
50
2
-40 to 150
300
Units
°C/W
W
°C
1. Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at conditions other than the operating conditions
specified is not implied. Only one Absolute Maximum Rating should be applied at any one time.
2. Mounted on an FR4 board.
3. Derate 20mW/°C above 25°C.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
202081B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 2, 2012
5
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
