AAT3110
MicroPower™ Regulated Charge Pump
Typical Characteristics—AAT3110-3.3
(Unless otherwise noted, V
IN
= 2.3V, C
IN
=C
OUT
=10µF, C
FLY
=1µF, T
A
= 25ºC)
Output Voltage vs. Output Current
AAT3110-3.3
3.4
24
3.35
3.3
3.25
3.2
Supply Current vs. Supply Voltage
AAT3110-3.3
Supply Current (µA)
I
OUT
=0 A
C
FLY
=1µF
V
SHDN
=V
IN
Output Voltage (V)
V
IN
=3V
V
IN
=2.7V
22
20
18
16
14
12
10
V
IN
=2.3V
3.15
3.1
0
50
100
150
200
2.3
2.5
2.7
2.9
3.1
3.3
Output Current (mA)
Supply Voltage (V)
Supply Current vs V
SHDN
AAT3110-3.3
30
Efficiency vs. Supply Voltage
AAT3110-3.3
I
OUT
=0µA
80
70
Supply Current (µA)
25
Efficiency (%)
20
60
50
40
30
20
10
0
2
2.5
3
3.5
V
IN
=3.3V
15
10
5
0
0
1
2
3
3.3
V
IN
=2.8V
I
OUT
=100mA
V
SHDN
Control Voltage (V)
Supply Voltage (V)
Efficiency vs. Output Current
AAT3110-3.3
Oscillator Frequency (kHz)
100.0%
90.0%
80.0%
70.0%
60.0%
50.0%
40.0%
30.0%
20.0%
10.0%
0.0%
0.01
Oscillator Frequency vs. Supply Voltage
AAT3110-3.3
1200
1100
1000
900
800
700
600
500
400
2.3
2.5
2.7
2.9
3.1
3.3
- 40°C
25°C
85°C
V
IN
=2.25V
0.1
1
10
100
I-Load (mA)
Supply Voltage (V)
8
3110.2001.9.0.92
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
