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
24
5.1
5.05
5
4.95
4.9
4.85
4.8
0
50
100
150
Supply Current vs. Supply Voltage
AAT3110-5
Supply Current (µA)
I
OUT
=0 A
C
FLY
=1µF
V
SHDN
=V
IN
Output Voltage (V)
V
IN
=3.6
22
20
18
16
14
12
10
2.5
V
IN
=3.0
V
IN
=2.7
V
IN
=3.3
3
3.5
4
4.5
5
5.5
Output Current (mA)
Supply Voltage (V)
Supply Current vs V
SHDN
AAT3110-5
30
25
20
95%
Efficiency vs. Supply Voltage
AAT3110-5
I
OUT
=0µA
Efficiency (%)
90%
85%
80%
75%
70%
65%
60%
55%
50%
45%
2.70
3.00
3.50
4.00
4.50
5.00
25 mA
V
IN
=5.5V
Supply Current (µA)
V
IN
=3.3V
15
10
5
0
0
1
2
3
4
5
50 mA
100 mA
V
IN
=2.8V
Supply Voltage (V)
V
SHDN
Control Voltage (V)
Efficiency vs. Load Current
AAT3110-5
Oscillator Frequency (kHz)
100%
90%
80%
Oscillator Frequency vs. Supply Voltage
AAT3110-5
1200
1100
1000
900
800
700
600
500
400
2.7
V
IN
= 2.7V
Efficiency (%)
- 40º C
70%
60%
50%
40%
30%
20%
10%
0%
0.01
0.1
1
10
100
1000
V
IN
= 3.6V
V
IN
= 3.3V
V
IN
= 3.0V
25º C
85º C
3.0
3.5
4.0
4.5
5.0
Load Current (mA)
Supply Voltage (V)
3110.2001.9.0.92
5
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
