AAT1143 Просмотр технического описания (PDF) - Analog Technology Inc
Номер в каталоге
Компоненты Описание
производитель
AAT1143 Datasheet PDF : 20 Pages
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Typical Characteristics
Efficiency vs. Load
(VOUT = 2.5V; L = 4.7µH)
100
VIN = 3.0V VIN = 3.3V
90
80
VIN = 3.6V
70
60
0.1
1
10
100
Output Current (mA)
AAT1143
1MHz 400mA Step-Down Converter
1000
2.0
1.0
0.0
-1.0
-2.0
0.1
Load Regulation
(VOUT = 2.5V; L = 4.7µH)
VIN = 3.0V
VIN = 3.3V
VIN = 3.6V
1
10
100
1000
Output Current (mA)
Efficiency vs. Load
(VOUT = 1.8V; L = 4.7µH)
100
2.0
90 VIN = 2.7V
VIN = 3.6V
1.0
80
0.0
70
VIN = 4.2V
-1.0
60
50
0.1
1
10
100
Output Current (mA)
1000
-2.0
0.1
DC Regulation
(VOUT = 1.8V; L = 4.7µH)
VIN = 4.2V
VIN = 2.7V
VIN = 3.6V
1
10
100
1000
Output Current (mA)
Frequency vs. Input Voltage
(VOUT = 1.8V)
1.0
Output Voltage Error vs. Temperature
(VIN = 3.6V; VO = 1.5V)
2.0
0.5
1.0
0.0
-0.5
INTERNAL DO0.0 CUMENT
-1.0
-1.5
DO NOT COPY -1.0
-2.0
-2.0
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
-40
-20
0
20
40
60
80
100
Input Voltage (V)
Temperature (°C)
1143.2005.09.1.7
5
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