AAT1142 데이터 시트보기 (PDF) - Advanced Analogic Technologies
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AAT1142 Datasheet PDF : 21 Pages
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SwitchRegTM
Typical Characteristics
Output Ripple
(VIN = 4.2V; VOUT = 0.8V; No Load)
0.90
0.10
0.85
0.08
0.80
0.06
0.75
0.04
0.70
0.02
0.65
0.00
0.60
-0.02
Time (4μs/div)
Output Programming Step
from 0.9V to 1.2V
(VIN = 3.6V; ROUT = 1.85Ω)
1.30
0.90
1.20
0.85
1.10
0.80
1.00
0.75
0.90
0.70
0.80
0.65
0.70
0.60
0.60
0.55
0.50
0.50
0.40
0.45
0.30
0.40
Time (50μs/div)
PRODUCT DATASHEET
AAT1142
800mA Voltage-Scaling Step-Down Converter
Output Ripple
(VIN = 4.2V; VOUT = 0.8V; IOUT = 650mA)
0.82
0.80
0.81
0.78
0.80
0.76
0.79
0.74
0.78
0.72
0.77
0.70
0.76
0.68
0.75
0.66
0.74
0.64
0.73
0.62
0.72
0.60
Time (200ns/div)
Output Programming Step
from 1.2V to 0.9V
(VIN = 3.6V; ROUT = 1.85Ω)
1.30
0.90
1.20
0.85
1.10
0.80
1.00
0.75
0.90
0.70
0.80
0.65
0.70
0.60
0.60
0.55
0.50
0.50
0.40
0.45
0.30
0.40
Time (50μs/div)
1142.2009.08.1.1
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