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Advanced Analog Technology

AAT1164C Datasheet Preview

AAT1164C Datasheet

TRIPLE-CHANNEL TFT LCD POWER SOLUTION

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Advanced Analog Technology, Inc.
April 2007
AAT1164/AAT1164B/AAT1164C
Product information presented is current as of publication date. Details are subject to change without notice.
TRIPLE-CHANNEL TFT LCD POWER SOLUTION
WITH OPERATIONAL AMPLIFIERS
FEATURES
Built in 3A, 0.2Switching NMOS
Positive LDO Driver Up to 28V/5mA
www.DataSheet4U.com
Negative LDO Driver Down to 14V/5mA
1 VCOM and 4 VGAMMA Operational Amplifiers
28V High Voltage Switch for VGH
Internal Soft-Start Function
1.2MHz Fixed Switching Frequency
3 Channels Fault and Thermal Protection
Low Dissipation Current
QFN-32 Package Available
PIN CONFIGURATION
GENERAL DESCRIPTION
The AAT1164/AAT1164B/AAT1164C is a triple-channel
TFT LCD power solution that provides a step-up PWM
controller, two high voltage LDO drivers (one for positive
voltage and one for negative voltage), five operational
amplifiers, and one high voltage switch up to 28V for
TFT LCD display.
The PWM controller consists of an on-chip voltage
reference, oscillator, error amplifier, current sense circuit,
comparator, under-voltage lockout protection and
internal soft-start circuit. The thermal and power fault
protection prevents internal circuit being damaged by
excessive power.
The high voltage LDO drivers generate two regulated
output voltage (VOUT2 and VOUT3) set by external resistor
dividers. VGH voltage does not activate until DLY voltage
exceeds 1.25V.
The AAT1164/AAT1164B/AAT1164C contains 4+1
operational amplifiers. VO1, VO2, VO4, and VO5 are for
gamma corrections and VO3 is for VCOM. In the short
circuit condition, operational amplifiers are capable of
sourcing ±100mA current for VGAMMA, and ±200mA
current for VCOM.
With the minimal external components, the
AAT1164/AAT1164B/AAT1164C offers a simple and
economical solution for TFT LCD power.
台灣類比科技股份有限公司
Advanced Analog Technology, Inc.
Version 1.00
Page 1 of 24




Advanced Analog Technology

AAT1164C Datasheet Preview

AAT1164C Datasheet

TRIPLE-CHANNEL TFT LCD POWER SOLUTION

No Preview Available !

Advanced Analog Technology, Inc.
April 2007
AAT1164/AAT1164B/AAT1164C
ORDERING INFORMATION
DEVICE
TYPE
PART NUMBER PACKAGE PACKING
TEMP.
RANGE
AAT1164 AAT1164-Q5-T
Q5:VQFN
32-5*5
T: Tape
and Reel
40 C to +85 C
AAT1164B AAT1164B-Q5-T
www.DataSheet4U.com
Q5:VQFN
32-5*5
T: Tape
and Reel
40 C to +85 C
AAT1164C AAT1164C-Q5-T
Q5:VQFN
32-5*5
T: Tape
and Reel
40 C to +85 C
NOTE: All AAT products are lead free and halogen free.
MARKING
AAT1164
XXXXX
XXXX
AAT1164B
XXXXX
XXXX
AAT1164C
XXXXX
XXXX
MARKING
DESCRIPTION
1. Part Name
2. Lot No.
(6~9 Digits)
3. Date Code
(4 Digits)
1. Part Name
2. Lot No.
(6~9 Digits)
3. Date Code
(4 Digits)
1. Part Name
2. Lot No.
(6~9 Digits)
3. Date Code
(4 Digits)
TYPICAL APPLICATION
台灣類比科技股份有限公司
Advanced Analog Technology, Inc.
Version 1.00
Page 2 of 24


Part Number AAT1164C
Description TRIPLE-CHANNEL TFT LCD POWER SOLUTION
Maker Advanced Analog Technology
Total Page 24 Pages
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3 AAT1164C TRIPLE-CHANNEL TFT LCD POWER SOLUTION
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