AAT1112 데이터 시트보기 (PDF) - Advanced Analogic Technologies
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AAT1112 Datasheet PDF : 19 Pages
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SwitchRegTM
Typical Characteristics
Efficiency vs. Output Current
(PWM Mode; VOUT = 2.5V)
100
90
80
VIN = 2.7V
70
60
50
VIN = 5.0V
40
30
VIN = 4.2V
20
10
VIN = 3.6V
0
1
10
100
1000
Output Current (mA)
10000
Efficiency vs. Output Current
(PFM Mode; VOUT = 1.8V)
100
90 VIN = 2.7V
80
70
VIN = 4.2V
VIN = 3.6V
60
50
40
0.1
1
10
100
1000
Output Current (mA)
10000
100
90
80
70
60
50
40
30
20
10
0
1
Efficiency vs. Output Current
(PWM Mode; VOUT = 1.8V)
VIN = 2.7V
VIN = 4.2V
VIN = 3.6V
10
100
1000
10000
Output Current (mA)
PRODUCT DATASHEET
AAT1112
1.5A, 1.4MHz Step-Down Converter
Load Regulation
(PWM Mode; VOUT = 2.5V)
0.50
0.25 VIN = 2.7V
VIN = 3.6V
VIN = 5.0V
0.00
-0.25
VIN = 4.2V
-0.50
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 = 1.8V)
VIN = 3.6V
VIN = 2.7V
VIN = 4.2V
1
10
100
1000
Output Current (mA)
0.50
0.25
0.00
-0.25
-0.50
0.1
Load Regulation
(PWM Mode; VOUT = 1.8V)
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
1
10
100
1000
Output Current (mA)
10000
6
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1112.2007.11.1.2
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