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
No Load, Switching
40
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)
I_LOAD=100mA
V_IN=2.3V
I_LOAD=50mA
V_IN=2.0V
I_LOAD=25mA
V_IN=2.0V
V_OUT (1V/div)
Time (100µs/div.)
3111.2002.3.0.91
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