DATA SHEET
AAT2822/2823/2824/2825
TFT-LCD DC/DC Converter with WLED Driver and VCOM Buffer
Part Number Descriptions
Part Number
LCD Bias
Startup Sequence
Backlight
VCOM Buffer
AAT2822
AAT2822-1
AAT2823
AAT2823-1
AAT2824
AAT2824-1
AAT2825
AAT2825-1
VAVDD->VGH->VGL
VAVDD->VGL->VGH
VAVDD->VGH->VGL
VAVDD->VGL->VGH
VAVDD->VGH->VGL
VAVDD->VGL->VGH
VAVDD->VGH->VGL
VAVDD->VGL->VGH
Absolute Maximum Ratings1
Description
Value
Units
VIN, EN
VDD, OPIN, OUT, OP+, OP-
LX, WLX
-0.3 to 7
-0.3 to 15
-0.3 to 30
V
WCOMP, COMP, FB, FBP, FBN, REF, WEN, PWM, WFB, OVP
DRVP
DRVN
-0.3 to VIN + 0.3
-0.3 to (VDD + 0.3)
-0.3 to (VDD + 0.3)
Thermal Information2
Symbol
Description
Thermal Resistance3
Maximum Power Dissipation
Value
Units
ΘJA
PD
50
2
°C/W
W
TJ
TLEAD
Operating Junction Temperature Range
Maximum Soldering Temperature (at Leads)
-40 to 150
300
°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
5
202081B
• Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 2, 2012