AAT3183_08 Datasheet, PDF (5/15 Pages) Advanced Analogic Technologies – 300mA Inductorless Step-Down Converter

ChargePump^TM
Typical Characteristics
Efficiency vs. Output Current
(V_OUT = 1.5V)
90
80
V_IN = 3.6V
70 V_IN = 4.2V
60
50
40
30
V_IN = 5.5V V_IN = 5.0V
20
10
0
0.1
1
10
100
1000
Output Current (mA)
Output Voltage Error vs. Output Current
(V_OUT = 1.5V)
20
10
V_IN = 5.5V _{VIN = 5.0V}
0
V_IN = 4.2V
-10
V_IN = 3.6V
-20
-30
-40
-50
0.1
1
10
100
1000
Output Current (mA)
Output Error vs. Input Voltage
(V_OUT = 1.5V)
2
.001mA _10mA
0
-2
50mA
-4
150mA
-6
-8
-10
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
PRODUCT DATASHEET
AAT3183
300mA Inductorless Step-Down Converter
90
80
70
60
50
40
30
20
10
0
0.1
Efficiency vs. Output Current
(V_OUT = 1.34V)
VIN = 3.3V
VIN = 3.6V
VIN = 4.2V
VIN = 5.0V
VIN = 5.5V
1
10
100
1000
Output Current (mA)
Output Voltage Error vs. Output Current
(V_OUT = 1.34V)
1.5
1
0.5
0
-0.5
-1
-1.5
-2
-2.5
-3
0.1
VIN = 5.5V
V_IN = 5.0V
VIN = 4.2V
VIN = 3.6V
VIN = 3.3V
1
10
100
1000
Output Current (mA)
2
0
-2
-4
-6
-8
-10
2.7
Output Error vs. Input Voltage
(V_OUT = 1.34V)
IOUT = 0.001mA
IOUT = 10mA
IOUT = 50mA
IOUT = 150mA
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
3183.2008.02.1.3
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