AAT3111 Datasheet, PDF (5/16 Pages) Advanced Analogic Technologies – MicroPower™ Regulated Charge Pump

AAT3111
MicroPower™ Regulated Charge Pump
Typical Characteristics — AAT3111-3.3
Unless otherwise noted, V_IN = 3V, C_IN = C_OUT = 10µF, C_FLY = 1µF, T_A = 25°C.
Output Voltage vs. Output Current
Supply Current vs. Supply Voltage
3.40
3.35
3.30
3.25
3.20
0.01
V_IN = 2.3V V_IN = 2.6V
V_IN = 2.0V
V_IN = 1.7V
0.1
1
10
100
1000
Output Current (mA)
60
50
40
No Load, Switching
30
20
10
No Load, Not Switching
0
1.5
2.0
2.5
3.0
3.5
Supply Voltage (V)
Efficiency vs. Supply Voltage
95
90
5mA
85
50mA
80
75
70
100mA
65
60
55
50
1.8
2.0
2.2
2.4
2.6
2.8
3.0
Supply Voltage (V)
Efficiency vs. Load Current
100
90
80 ^{VIN = 1.8V}
70
60
50
40
30
20
10
0
0.01
0.1
V_IN = 2.0V
V_IN = 2.6V
1
10
100
Load Current (mA)
Startup
SHDN
(2V/div)
V_OUT
(1V/div)
I_LOAD = 100mA
V_IN = 2.3V
I_LOAD = 50mA
V_IN = 2.0V
I_LOAD = 25mA
V_IN = 2.0V
Time (100µs/div)
3111.2006.06.1.3
V_SHDN Threshold vs. Supply Voltage
0.9
0.8
V_IH
0.7
0.6
V_IL
0.5
0.4
1.5
1.7
1.9
2.1 2.3
2.5
2.7 2.9
3.1
Supply Voltage (V)
5