AAT1149 Просмотр технического описания (PDF) - Advanced Analogic Technologies
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Компоненты Описание
производитель
AAT1149 Datasheet PDF : 21 Pages
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SwitchRegTM
Typical Characteristics
Load Transient
(VOUT = 1.1V; No Feedforward Capacitor)
1.30
2.00
1.20
1.75
1.10
1.50
400mA
1.00
1.25
0.90
1.00
0.80
1mA
0.75
0.70
0.50
0.60
0.25
0.50
0.00
Time (50µs/div)
PRODUCT DATASHEET
AAT1149
3MHz Fast Transient 400mA Step-Down Converter
Load Transient
(VOUT = 1.1V; CFF = 100pF)
1.30
2.00
1.20
1.75
1.10
1.50
1.00
400mA
1.25
0.90
1.00
1mA
0.80
0.75
0.70
0.50
0.60
0.25
0.50
0.00
Time (50µs/div)
Load Transient
(VOUT = 1.8V; No Feedforward Capacitor)
2.25
2.00
2.00
1.75
1.75
1.50
1.50
400mA
1.25
1.25
1.00
10mA
1.00
0.75
0.75
0.50
0.25
0.25
0.00
Time (50µs/div)
Load Transient
(VOUT = 1.8V; CFF = 100pF)
2.00
2.00
1.90
1.75
1.80
1.50
1.70
1.25
400mA
1.60
1.00
1.50
10mA
0.75
1.40
0.50
1.30
0.25
1.20
0.00
Time (50µs/div)
Load Transient
(VOUT = 1.8V; No Feedforward Capacitor)
2.25
2.00
2.00
1.75
1.75
1.50
400mA
1.50
1.25
1.25
1.00
1mA
1.00
0.75
0.75
0.50
0.50
0.25
0.25
0.00
Time (50µs/div)
Load Transient
(VOUT = 1.8V; CFF = 100pF)
2.00
2.00
1.90
1.75
1.80
1.50
1.70
400mA
1.25
1.60
1.00
1.50
1mA
0.75
1.40
0.50
1.30
0.25
1.20
0.00
Time (50µs/div)
8
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1149.2008.08.1.3
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