AAT1142 데이터 시트보기 (PDF) - Advanced Analogic Technologies
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AAT1142 Datasheet PDF : 21 Pages
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SwitchRegTM
Typical Characteristics
Efficiency vs. Load
(VOUT = 0.9V)
100
90
VIN = 3.6V
80 VIN = 4.2V
VIN = 2.7V
70
60
50
PWM Only
40
VIN = 5.0V
Mode
30
20
0
1
10
100
1000
Output Current (mA)
PRODUCT DATASHEET
AAT1142
800mA Voltage-Scaling Step-Down Converter
2.0
1.0
0.0
-1.0
-2.0
0
DC Regulation
(VOUT = 0.9V)
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V VIN = 5.0V
1
10
100
1000
Output Current (mA)
Efficiency vs. Load
(VOUT = 1.0V)
100
90
VIN = 3.6V
80 VIN = 4.2V
VIN = 2.7V
70
60
50
PWM Only
40
VIN = 5.0V
Mode
30
20
0
1
10
100
1000
Output Current (mA)
2.0
1.0
0.0
-1.0
-2.0
0
DC Regulation
(VOUT = 1.0V)
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V VIN = 5.0V
1
10
100
1000
Output Current (mA)
Efficiency vs. Load
(VOUT = 1.2V)
100
VIN = 3.6V
90
80 VIN = 4.2V
VIN = 2.7V
70
60
50
40
VIN = 5.0V
PWM Only
Mode
30
20
0
1
10
100
1000
Output Current (mA)
2.0
1.0
0.0
-1.0
-2.0
0
DC Regulation
(VOUT = 1.2V)
VIN = 2.7V VIN = 3.6V
VIN = 4.2V VIN = 5.0V
1
10
100
1000
Output Current (mA)
6
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1142.2009.08.1.1
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