High Efficiency 1.5X Fractional Charge
Pumps For White LED Applications
Pin Descriptions
Pin #
QFN44-16
TSOPJW-12
AAT3113/4
Symbol
D2
D3
D4
D5
D6
C1+
C1-
NC
OUT
C2+
C2-
GND
NC
VIN
EN/SET
D1
Function
Current source output
Current source output
Current source output
Current source output (3114 option only)
Current source output (3114 option only)
Flying Capacitor 1 + terminal
Flying Capacitor 1 - terminal
No Connect
Charge pump output. Requires 1uF bypass capacitor to ground.
Flying Capacitor 2 + terminal
Flying Capacitor 2 - terminal
Ground
No Connect
Input power supply. Requires 1uF bypass capacitor to ground.
Control Pin using S
2
Cwire serial interface.
Current source output 1. Required reference current source.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
7
6
5
N/A
N/A
4
3
N/A
2
1
12
11
N/A
10
9
8
Part Number Descriptions
Part Number
AAT3113-20
AAT3114-20
Function
4 Diode outputs, 20mA full scale
6 Diode outputs, 20mA full scale
Pin Configuration
12-Lead TSOPJW
(Top View)
16 LD 4x4mm QFN
(Top View)
EN/SET
15
NC
VIN
14
13
D1
16
C2+
OUT
C1-
C1+
D
D
1
2
3
4
5
6
12
11
10
9
8
7
C2-
GND
VIN
EN/SET
D
D
D2
D3
D4
(D5)
1
12
GND
C2-
C2+
OUT
2
11
3
AAT3113/4
10
4
5
6
7
8
9
C1+
(D6)
NC
C1-
2
3113.2004.07.1.4
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
