PRODUCT DATASHEET
AAT3113,AAT3114/14A
TM
ChargePump
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.
Efficiency vs. Supply Voltage
Quiescent Current vs. Temperature
100
30mA
20mA
1.00
0.98
0.96
0.94
0.92
95
90
85
80
75
40mA
60mA
80mA
120mA
0.90
0.88
0.86
70
65
60
3.0
3.2
3.4
3.6
3.8
4.0
4.2
4.4
-40
-20
0
20
40
60
80
100
Supply Voltage (V)
Temperature (°C)
Efficiency vs. Load Current
Quiescent Current vs. Supply Voltage
96
1.2
94
92
90
88
86
84
82
80
1.1
1.0
0.9
0.8
0.7
0.6
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)
Shutdown Current vs. Temperature
Oscillator Frequency 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)
w w w . a n a l o g i c t e c h . c o m
3113.2008.05.1.10
5
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
