AAT3340
High Efficiency 1x/1.5x Charge PumpChargePump
TM
PRODUCT DATASHEET
3340.2008.07.1.1 5
www.analogictech.com
AAT3340
High Efficiency 1x/1.5x Charge PumpChargePump
TM
PRODUCT DATASHEET
3340.2008.07.1.1 5
www.analogictech.com
Typical Characteristics
V
IN
= 3.6V, C
IN
= C
OUT
= C1 = C2 = 1F; T
A
= 25°C, unless otherwise noted.
No Load Operating Current (1.5x Mode)
vs. Input Voltage
Input Voltage (V)
I
Q
(mA)
3.0
3.2
3.4
3.6
3.8
4.0
4.2
4.4
2.7 3.9 4.3 4.7 5.1 5.53.53.1
85°C
60°C
40°C
25°C
0°C
-20°C
-40°C
No Load Operating Current (1x Mode)
vs. Input Voltage
Input Voltage (V)
I
Q
(mA)
1.3
1.4
1.5
1.6
1.7
1.8
2.7 4.3 4.7 5.1 5.53.93.53.1
85°C
60°C
40°C
25°C
0°C
-20°C
-40°C
Shutdown Current vs. Temperature
Temperature (°C)
I
SHDN
(µA)
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
-40 -15 10 35 60 8
V
IN
= 5.5V
V
IN
= 2.7V
1.5X Mode Output Voltage vs. Output Current
Output Current (mA)
Output Voltage (V)
4.5
4.6
4.7
4.8
4.9
5
5.1
5.2
0 40 80 100 1206020
V
IN
= 3.6V
V
IN
= 3.3V
Efficiency vs. Input Voltage
(Code 26, I
LED
= 3.8mA)
Input Voltage
(V)
Efficiency (%)
40
55
70
85
100
2.7 5.55.14.74.33.93.53.1
V
F
= 3.3V
V
F
= 3V
V
F
= 2.7V
Efficiency vs. Input Voltage
(Code 1, BL = 20mA)
Input Voltage
(V)
Efficiency (%)
40
55
70
85
100
2.7 5.55.14.74.33.93.53.1
V
F
= 3.3V
V
F
= 3V
V
F
= 2.7V