AAT1171 データシートの表示（PDF） - Analog Technology Inc
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AAT1171
Analog Technology Inc
AAT1171 Datasheet PDF : 24 Pages
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AAT1171
600mA Voltage-Scaling Step-Down Converter
for RF Power Amplifiers with Bypass Switch
Typical Characteristics
Efficiency vs. Output Current
(LL Mode; VOUT = 3.3V)
100
90 VIN = 3.9V
80
70
VIN = 4.2V
60
VIN = 5.0V
50
40
0.1
1
10
100
1000
Output Current (mA)
1.0
0.5
0.0
-0.5
-1.0
0.1
Load Regulation
(LL Mode; VOUT = 3.3V)
VIN = 5.0V
VIN = 3.6V
VIN = 4.2V
1
10
100
1000
Output Current (mA)
Efficiency vs. Output Current
(PWM Mode; VOUT = 3.3V)
100
90
80
70
60
50
40
30
20
10
0
0.1
VIN = 3.6V
1
VIN = 4.2V
VIN = 5.0V
10
100
1000
Output Current (mA)
1.0
0.5
0.0
-0.5
-1.0
0.1
Load Regulation
(PWM Mode; VOUT = 3.3V)
VIN = 5.0V
VIN = 3.6V
VIN = 4.2V
1
10
100
1000
Output Current (mA)
Efficiency vs. Output Current
(LL Mode; VOUT = 2.5V)
100
VIN = 3.0V
90
80
VIN = 4.2V
70
VIN = 5.0V
60
50
40
0.1
1
10
100
1000
Output Current (mA)
1.0
0.5
0.0
-0.5
-1.0
0.1
Load Regulation
(LL Mode; VOUT = 2.5V)
VIN = 5.0V
VIN = 4.2V
VIN = 3.0V
1
10
100
1000
Output Current (mA)
6
1171.2007.08.1.1
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