Advanced Analog Technology, Inc.
May 2008
AAT1168/1168A/1168B
PIN DESCRIPTION
PIN NO.
QFN-32
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
NAME
VOUT3
VREF
GND
GND1
VO1
VI1–
VI1+
VO2
VI2–
VI2+
GND2
VI3+
VO3
VDD1
VI4+
VI4–
VO4
VI5+
VI5–
VO5
SW
VDD
IN1
EO
IN3
OUT3
IN2
I/O
-
O
-
-
O
I
I
O
I
I
-
I
I
-
I
I
O
I
I
O
-
-
I
O
I
O
I
DESCRIPTION
Channel 3 Output Voltage (gate high voltage input)
Internal Reference Voltage Output
Ground
SW MOS Ground
Operational Amplifier 1 Output
Operational Amplifier 1 Negative Input
Operational Amplifier 1 Positive Input
Operational Amplifier 2 Output
Operational Amplifier 2 Negative Input
Operational Amplifier 2 Positive Input
Ground for Operational Amplifiers
V
COM
Operational Amplifier Positive Input
V
COM
Operational Amplifier Output
High Voltage Power Supply Input
Operational Amplifier 4 Positive Input
Operational Amplifier 4 Negative Input
Operational Amplifier 4 Output
Operational Amplifier 5 Positive Input
Operational Amplifier 5 Negative Input
Operational Amplifier 5 Output
Main PWM Switching Pin
Power Supply Input
Main PWM Feedback Pin
Main PWM Error Amplifier Output
Positive Charge Pump Feedback Pin
Positive Charge Pump Output
Negative Charge Pump Feedback Pin
–
Advanced Analog Technology, Inc. –
Version 1.00
Page 9 of 22
司公限有�½股技科比類灣台
–
–
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
