AAT3113, AAT3114/14A
High Efficiency 1.5X Fractional Charge
Pumps For White LED Applications
Typical Characteristics
VIN = 3.5V, CIN = COUT = C1 = C2 = 1µF; TA = 25°C, unless otherwise noted.
Quiescent Current vs. Temperature
Efficiency vs. Supply Voltage
100
95
90
85
80
75
70
65
60
1.00
0.98
0.96
0.94
0.92
0.90
0.88
0.86
30mA
20mA
40mA
60mA
80mA
120mA
-40
-20
0
20
40
60
80
100
3.0
3.2
3.4
3.6
3.8
4.0
4.2
4.4
Supply Voltage (V)
Temperature (°C)
Quiescent Current vs. Supply Voltage
Efficiency vs. Load Current
1.2
1.1
1.0
0.9
0.8
0.7
0.6
96
94
92
90
88
86
84
82
80
0
20
40
60
80
100
120
3.0
3.5
4.0
4.5
5.0
5.5
Load Current (mA)
Supply Voltage (V)
Oscillator Frequency vs. Temperature
Shutdown Current vs. Temperature
1.000
0.100
0.010
0.001
710
700
690
680
670
660
650
640
630
620
610
-40
-20
0
20
40
60
80
100
-40
-20
0
20
40
60
80
100
Temperature (°C)
Temperature (°C)
3113.2006.07.1.9
5
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
