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
100ꢀ
90ꢀ
80ꢀ
70ꢀ
60ꢀ
50ꢀ
40ꢀ
30ꢀ
20ꢀ
10ꢀ
0ꢀ
95ꢀ
90ꢀ
85ꢀ
80ꢀ
75ꢀ
70ꢀ
65ꢀ
60ꢀ
55ꢀ
50ꢀ
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)
Startup
VSHDN Threshold vs. Supply Voltage
0.9
0.8
0.7
0.6
0.5
0.4
SHDN (2V/div)
VIH
VOUT (1V/div)
ILOAD=100mA
VIN=2.3V
ILOAD=50mA
VIN=2.0V
VIL
ILOAD=25mA
VIN=2.0V
1.5
1.7
1.9
2.1
2.3
2.5
2.7
2.9
3.1
Time (100µs/div.)
Supply Voltage (V)
3111.2002.3.0.91
5
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
