AAT3111
MicroPower™ Regulated Charge Pump
Typical Characteristics — AAT3111-3.6
(Unless otherwise noted, VIN = 3V, CIN = COUT =10µF, CFLY = 1µF, TA = 25°C)
Supply Current vs. Input Voltage
Output Voltage vs. Output Current
60
50
40
30
20
10
0
3.75
3.70
3.65
3.60
3.55
3.50
3.45
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
Input Voltage (V)
Output Current (mA)
Efficiency vs. Supply Voltage
Efficiency vs. Load Current
100ꢀ
90ꢀ
80ꢀ
70ꢀ
60ꢀ
50ꢀ
40ꢀ
30ꢀ
20ꢀ
10ꢀ
0ꢀ
100ꢀ
95ꢀ
90ꢀ
85ꢀ
80ꢀ
75ꢀ
70ꢀ
65ꢀ
60ꢀ
55ꢀ
50ꢀ
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)
VIH
ILOAD=100mA
VIN=2.1V
VOUT (1V/div)
VIL
ILOAD=50mA
VIN=2.1V
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
7
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