AAT3110 Datasheet, PDF (5/18 Pages) Advanced Analogic Technologies – MicroPower™ Regulated Charge Pump

AAT3110
MicroPower™ Regulated Charge Pump
Typical Characteristics—AAT3110-5
(Unless otherwise noted, V_IN = 3V, C_IN=C_OUT=10µF, C_FLY=1µF, T_A = 25ºC)
Output Voltage vs. Output Current
AAT3110-5
5.15
5.1
V_IN=3.6
5.05
5
4.95
VIN=2.7
4.9
VIN=3.0
VIN=3.3
4.85
4.8
0
50
100
150
Output Current (mA)
Supply Current vs. Supply Voltage
AAT3110-5
24 _{IOUT=0 A}
22 CFLY=1µF
20 ^VSHDN=VIN
18
16
14
12
10
2.5
3
3.5
4
4.5
5
5.5
Supply Voltage (V)
Supply Current vs VSHDN
AAT3110-5
30
25
VIN=5.5V
IOUT=0µA
20
VIN=3.3V
15
10
VIN=2.8V
5
0
0
1
2
3
4
5
VSHDN Control Voltage (V)
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
0.01
Efficiency vs. Load Current
AAT3110-5
VIN = 2.7V
VIN = 3.6V
VIN = 3.0V
VIN = 3.3V
0.1
1
10
100
1000
Load Current (mA)
3110.2001.9.0.92
Efficiency vs. Supply Voltage
AAT3110-5
95%
90% ^{25 mA}
85%
80%
75%
70% ^{50 mA}
65%
60%
55%
100 mA
50%
45%
2.70 3.00
3.50
4.00
4.50
5.00
Supply Voltage (V)
Oscillator Frequency vs. Supply Voltage
AAT3110-5
1200
1100
1000 - 40º C
900
800
700 25º C
600
500 85º C
400
2.7
3.0
3.5
4.0
4.5
5.0
Supply Voltage (V)
5