AAT3340_08 Datasheet, PDF (5/14 Pages) Advanced Analogic Technologies – High Efficiency 1x/1.5x Charge Pump

ChargePump^TM
PRODUCT DATASHEET
AAT3340
High Efficiency 1x/1.5x Charge Pump
Typical Characteristics
V_IN = 3.6V, C_IN = C_OUT = C1 = C2 = 1μF; T_A = 25°C, unless otherwise noted.
No Load Operating Current (1.5x Mode)
vs. Input Voltage
4.4
4.2
4.0
3.8
3.6
85°C
60°C
3.4
40°C
25°C
0°C
3.2
-20°C
-40°C
3.0
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
No Load Operating Current (1x Mode)
vs. Input Voltage
1.8
1.7
1.6
1.5
1.4
1.3
2.7
3.1
3.5
3.9
4.3
4.7
Input Voltage (V)
85°C
60°C
40°C
25°C
0°C
-20°C
-40°C
5.1
5.5
Shutdown Current vs. Temperature
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
-40
V_IN = 5.5V
V_IN = 2.7V
-15
10
35
60
85
Temperature (°C)
Efficiency vs. Input Voltage
(Code 26, I_LED = 3.8mA)
100
VF = 3.3V
VF = 3V
85
VF = 2.7V
70
55
40
2.7
3.1
3.5
3.9
4.3
4.7
Input Voltage (V)
5.1
5.5
1.5X Mode Output Voltage vs. Output Current
5.2
5.1
5
4.9
4.8
4.7
4.6
4.5
0
V_IN = 3.6V
V_IN = 3.3V
20
40
60
80
100
120
Output Current (mA)
Efficiency vs. Input Voltage
(Code 1, BL = 20mA)
100
VF = 3.3V
VF = 3V
85
VF = 2.7V
70
55
40
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
3340.2008.07.1.1
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