AAT1149 View Datasheet(PDF) - Advanced Analogic Technologies
Part Name
Description
MFG CO.
'AAT1149' PDF : 21 Pages View PDF
SwitchRegTM
Typical Characteristics
Soft Start
(VOUT = 1.8V; No Feedforward Capacitor)
4.00
2.00
3.00
1.75
2.00
1.50
1.00
1.25
0.00
1.00
-1.00
0.75
-2.00
0.50
-3.00
0.25
-4.00
0.00
Time (50µs/div)
PRODUCT DATASHEET
AAT1149
3MHz Fast Transient 400mA Step-Down Converter
2.50
2.00
1.50
1.00
0.50
0.00
-0.50
-1.00
-1.50
Soft Start
(VOUT = 1.8V; CFF = 100pF)
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0.00
Time (50µs/div)
Soft Start
(VOUT = 3V; No Feedforward Capacitor)
4.00
2.00
3.00
1.75
2.00
1.50
1.00
1.25
0.00
1.00
-1.00
0.75
-2.00
0.50
-3.00
0.25
-4.00
0.00
Time (50µs/div)
Soft Start
(VOUT = 1.1V; No Feedforward Capacitor)
3.50
1.25
3.00
1.00
2.50
0.75
2.00
0.50
1.50
0.25
1.00
0.00
0.50
-0.25
0.00
-0.50
-0.50
-0.75
Time (20µs/div)
1149.2008.08.1.3
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