AAT1112 데이터 시트보기 (PDF) - Analog Technology Inc
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AAT1112 Datasheet PDF : 20 Pages
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AAT1112
1.5A, 1.4MHz Step-Down Converter
Typical Characteristics
Efficiency vs. Output Current
(PFM Mode; VOUT = 3.3V)
100
VIN = 3.6V
90
80
VIN = 4.2V VIN = 5.0V
70
60
50
40
0.1
1
10
100
1000
Output Current (mA)
10000
Load Regulation
(PFM Mode; VOUT = 3.3V)
0.50
0.25 VIN = 3.6V VIN = 4.2V
0.00
-0.25
VIN = 5.0V
-0.50
0.1
1
10
100
1000
Output Current (mA)
10000
Efficiency vs. Output Current
(PWM Mode; VOUT = 3.3V)
100
VIN = 3.6V
80
VIN = 5.0V
60
VIN = 4.2V
40
20
0
1.0
10
100
1000
Output Current (mA)
10000
0.50
0.25
0.00
-0.25
-0.50
0.1
Load Regulation
(PWM Mode; VOUT = 3.3V)
VIN = 3.6V
VIN = 5.0V
VIN = 4.2V
1
10
100
1000
Output Current (mA)
10000
Efficiency vs. Output Current
(PFM Mode; VOUT = 2.5V)
100
VIN = 2.7V
90
80
VIN = 3.6V VIN = 4.2V
70
60
50
0.1
1
10
100
1000
Output Current (mA)
10000
0.50
0.25
0.00
-0.25
-0.50
0.1
Load Regulation
(PFM Mode; VOUT = 2.5V)
VIN = 2.7V VIN = 3.6V
VIN = 4.2V
1
10
100
1000
Output Current (mA)
10000
1112.2007.01.1.1
5
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