AAT1155_06 Datasheet, PDF (8/17 Pages) Advanced Analogic Technologies – 1MHz 2.5A Step-Down DC/DC Converter

AAT1155
1MHz 2.5A Step-Down DC/DC Converter
Typical Characteristics
Tantalum Transient Response
(I_OUT = 0 to 3.0A; V_OUT = 3.3V; V_IN = 5.0V)
3.40
3.30
3.20
3.10
3.00
2.90
2.80
2.70
2.60
0
120μF 6.3V Tantalum
Vishay P/N 594D127X96R3C2T
100
200
300
400
Time (μs)
7
6
5
4
3
2
1
0
-1
500
Transient Response
(I_OUT = 0 to 3.0A; V_OUT = 3.3V; V_IN = 5.0V)
3.40
3.30
3.20
3.10
3.00
2.90
2.80
2.70
2.60
0
7
6
2x 100μF 6.3V Ceramic
5
TDK P/N C3325X5R0J107M
Vishay GRM43SR60J107ME20L
4
3
2
1
0
-1
100
200
300
400
500
Time (μs)
Transient Response
(I_OUT = 0 to 3.0A; V_OUT = 3.3V; V_IN = 5.0V)
3.40
3.30
3.20
3.10
3.00
2.90
2.80
2.70
2.60
0
7
6
5
3x 100μF 6.3V Ceramic
TDK P/N C3325X5R0J107M
Vishay GRM43SR60J107ME20L
4
3
2
1
0
-1
100
200
300
400
500
Time (μs)
8
1155.2006.09.1.7