AAT1151 データシートの表示（PDF） - Advanced Analogic Technologies
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AAT1151 Datasheet PDF : 16 Pages
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Typical Characteristics
Efficiency vs. Load Current
(VOUT = 2.5V; L = 4.2μH)
100
90
80
70
60
50
1
10
100
1000
Output Current (mA)
No Load Supply Current vs. Input Voltage
300
250
T = 85°C
200
150
T = -40°C
100
T = 25°C
50
0
2.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
Output Voltage vs. Temperature
1.794
1.792
1.79
1.788
1.786
1.784
1.782
1.78
-40
-20
0
20
40
60
Temperature (°C)
80
100
AAT1151
850kHz 700mA Synchronous
Buck DC/DC Converter
Efficiency vs. Load Current
(VOUT = 1.8V)
100
2.7V
90
80
3.6V
4.2V
70
60
50
1
10
100
1000
Load Current (mA)
Frequency vs. Input Voltage
890
880
870
860
850
2.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
3.0
2.0
1.0
0.0
-1.0
-2.0
-3.0
1
Load and Line Regulation
VIN = 4.2V
VIN = 3.6V
VIN = 2.7V
10
100
1000
Load Current (mA)
1151.2007.01.1.6
5
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