PRODUCT DATASHEET
AAT3113, AAT3114/14A
ChargePump
TM
High Efficiency 1.5X Fractional Charge Pumps For White LED Applications
Typical Characteristics
V
IN
= 3.5V, C
IN
= C
OUT
= C
1
= C
2
= 1µF; T
A
= 25°C, unless otherwise noted.
Quiescent Current vs. Temperature
1.00
0.98
0.96
100
95
Efficiency vs. Supply Voltage
30mA
20mA
Efficiency (%)
90
85
80
75
70
65
60
I
Q
(mA)
0.94
0.92
0.90
0.88
0.86
-40
-20
0
20
40
60
80
100
40mA
120mA
80mA
60mA
3.0
3.2
3.4
3.6
3.8
4.0
4.2
4.4
Temperature (°C)
Supply Voltage (V)
Quiescent Current vs. Supply Voltage
1.2
1.1
1.0
96
94
Efficiency vs. Load Current
Efficiency (%)
92
90
88
86
84
82
80
0
20
40
60
80
100
120
I
Q
(mA)
0.9
0.8
0.7
0.6
3.0
3.5
4.0
4.5
5.0
5.5
Supply Voltage (V)
Load Current (mA)
Shutdown Current vs. Temperature
Shutdown Current (µA)
1.000
710
700
690
0.100
680
670
660
650
640
630
0.001
-40
620
-20
0
20
40
60
80
100
610
-40
Oscillator Frequency vs. Temperature
0.010
F
OSC
(kHz)
Temperature (°C)
-20
0
20
40
60
80
100
Temperature (°C)
3113.2008.05.1.10
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