AAT1168 Datasheet, PDF (9/22 Pages) Advanced Analog Technology, Inc. – TRIPLE-CHANNEL TFT LCD POWER SOLUTION WITH OPERATIONAL AMPLIFIERS

Advanced Analog Technology, Inc.
May 2008
PIN DESCRIPTION
AAT1168/1168A/1168B
PIN NO. _{NAME I/O}
QFN-32
DESCRIPTION
1
VOUT3 - Channel 3 Output Voltage (gate high voltage input)
2
VREF
O Internal Reference Voltage Output
3
GND
- Ground
4
GND1
- SW MOS Ground
5
VO1
O Operational Amplifier 1 Output
6
VI1–
I Operational Amplifier 1 Negative Input
7
VI1+
I Operational Amplifier 1 Positive Input
8
VO2
O Operational Amplifier 2 Output
9
VI2–
I Operational Amplifier 2 Negative Input
10
VI2+
I Operational Amplifier 2 Positive Input
11
GND2
- Ground for Operational Amplifiers
12
VI3+
I V_COM Operational Amplifier Positive Input
13
VO3
I V_COM Operational Amplifier Output
14
VDD1
- High Voltage Power Supply Input
15
VI4+
I Operational Amplifier 4 Positive Input
16
VI4–
I Operational Amplifier 4 Negative Input
17
VO4
O Operational Amplifier 4 Output
18
VI5+
I Operational Amplifier 5 Positive Input
19
VI5–
I Operational Amplifier 5 Negative Input
20
VO5
O Operational Amplifier 5 Output
21
SW
- Main PWM Switching Pin
22
VDD
- Power Supply Input
23
IN1
I Main PWM Feedback Pin
24
EO
O Main PWM Error Amplifier Output
25
IN3
I Positive Charge Pump Feedback Pin
26
OUT3
O Positive Charge Pump Output
27
IN2
I Negative Charge Pump Feedback Pin
– 台灣類比科技股份有限公司 –
– Advanced Analog Technology, Inc. –
Version 1.00
Page 9 of 22