AAT3183 查看數據表（PDF） - Advanced Analogic Technologies
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AAT3183 Datasheet PDF : 15 Pages
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ChargePumpTM
Typical Characteristics
Output Voltage Error vs. Temperature
(VIN = 3.6V; VOUT = 1.5V; IOUT = 150mA)
8.0
6.0
4.0
2.0
0.0
-2.0
-4.0
-6.0
-8.0
-40 -25 -10 5
20 35 50 65 80 95
Temperature (°C)
No Load Quiescent Current vs. Input Voltage
(VOUT = 1.5V)
100
90
80
70
60
25°C
85°C
50
40
30
20
10
-40°C
0
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
Output Impedance vs. Input Voltage
1.8
25°C
1.5
85°C
1.2
0.9
-40°C
0.6
2.7
2.9
3.1
3.3
3.5
3.7
3.9
4.1
Input Voltage (V)
PRODUCT DATASHEET
AAT3183
300mA Inductorless Step-Down Converter
Efficiency vs. Input Voltage
(VOUT = 1.5V)
100
90
50mA
80
70 300mA
60
50
40
30
20
10
0
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
Output Voltage Ripple vs. Input Voltage
(CIN/CFLY = 1µF; COUT = 4.7µF; IOUT = 300mA)
100
90
80
No Post Filter
70
60
50
40
30
20
100pF Post Filter
10
0
3
3.6
4.2
4.8
5.4
6
Input Voltage (V)
Load Transient Response
(VIN = 3.6V; VOUT = 1.5V; IOUT = 5mA to 150mA)
1.54
0.7
1.52
0.6
1.5
0.5
1.48
0.4
1.46
0.3
1.44
0.2
1.42
0.1
1.4
0
1.38
-0.1
Time (50µs/div)
6
www.analogictech.com
3183.2008.02.1.3
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