AAT3111
MicroPower™ Regulated Charge Pump
Typical Characteristics — AAT3111-3.6
Unless otherwise noted, VIN = 3V, CIN = COUT = 10µF, CFLY = 1µF, TA = 25°C.
Output Voltage vs. Output Current
Supply Current vs. Supply Voltage
3.75
3.70
3.65
3.60
3.55
3.50
3.45
60
50
40
30
20
10
0
VIN = 2.9V
No Load, Switching
VIN = 2.3V
VIN = 2.0V
No Load, Not Switching
1.6
2.1
2.6
3.1
3.6
0.01
0.1
1
10
100
1000
Supply Voltage (V)
Output Current (mA)
Efficiency vs. Supply Voltage
Efficiency vs. Load Current
100
95
90
85
80
75
70
65
60
55
50
100
90
80
70
60
50
40
30
20
10
0
50mA
VIN = 2.0V
100mA
10mA
VIN = 2.3V
VIN = 2.6V
0.01
0.1
1
10
100
1.8
2.0
2.2
2.4
2.6
2.8
3.0
3.2
Load Current (mA)
Supply Voltage (V)
Startup
VSHDN Threshold vs. Supply Voltage
0.9
0.8
0.7
0.6
0.5
0.4
SHDN
(2V/div)
ILOAD = 100mA
VIN = 2.1V
VIH
ILOAD = 50mA
VIN = 2.1V
VIL
VOUT
(1V/div)
1.5
1.7
1.9
2.1
2.3
2.5
2.7
2.9
3.1
Time (100μs/div)
Supply Voltage (V)
3111.2006.06.1.3
7
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
