AAT3111
MicroPower™ Regulated Charge Pump
Typical Characteristics — AAT3111-3.3
Unless otherwise noted, VIN = 3V, CIN = COUT = 10µF, CFLY = 1µF, TA = 25°C.
Output Voltage vs. Output Current
Supply Current vs. Supply Voltage
3.40
3.35
3.30
3.25
3.20
60
50
40
30
20
10
0
No Load, Switching
VIN = 2.3V VIN = 2.6V
VIN = 2.0V
VIN = 1.7V
No Load, Not Switching
0.01
0.1
1
10
100
1000
1.5
2.0
2.5
3.0
3.5
Output Current (mA)
Supply Voltage (V)
Efficiency vs. Supply Voltage
Efficiency vs. Load Current
100
95
90
85
80
75
70
65
60
55
50
90
80
70
60
50
40
30
20
10
0
5mA
VIN = 1.8V
VIN = 2.0V
50mA
VIN = 2.6V
100mA
0.01
0.1
1
10
100
1.8
2.0
2.2
2.4
2.6
2.8
3.0
Load Current (mA)
Supply Voltage (V)
VSHDN Threshold vs. Supply Voltage
Startup
0.9
SHDN
(2V/div)
0.8
0.7
0.6
0.5
0.4
VIH
ILOAD = 100mA
VIN = 2.3V
ILOAD = 50mA
VIN = 2.0V
VIL
ILOAD = 25mA
IN = 2.0V
VOUT
(1V/div)
V
1.5
1.7
1.9
2.1
2.3
2.5
2.7
2.9
3.1
Supply Voltage (V)
Time (100µs/div)
3111.2006.06.1.3
5
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
