aat1155iks-2.5-t1 Advanced Analogic Technologies, Inc., aat1155iks-2.5-t1 Datasheet - Page 7

• Manufacturer Part Number: aat1155iks-2.5-t1
• Description: Aat1155 | 1mhz 2.5a Step-down Dc/dc Converter
• Manufacturer: Advanced Analogic Technologies, Inc.

Typical Characteristics
1155.2006.09.1.7
-12
-16
16
12
-4
-8
-12
-16
8
4
0
10000
16
12
-4
-8
8
4
0
10000
120μF 6.3V Tantalum
Vishay P/N 594D127X96R3C2T
Loop Crossover Gain and Phase
-2
-4
-6
-8
100μF 6.3 Ceramic
TDK P/N C3225X5R0J107M
Vishay GRM43SR60J107ME20L
8
6
4
2
0
Loop Crossover Gain and Phase
0
Overshoot Characteristics
Gain
0.4
Inrush and Output
Frequency (Hz)
Frequency (Hz)
Time (ms)
0.8
100000
300μF gain
1.2
1.6
L = 1.5μHy
Phase
200μF gain
1000000
2
100000
14
12
10
8
6
4
2
0
-2
180
135
90
45
0
-45
-90
-135
-180
180
135
90
45
0
-45
-90
-135
-180
1MHz 2.5A Step-Down DC/DC Converter
-10
-12
-10
-12
-2
-4
-6
-8
-2
-4
-6
-8
4
2
0
4
2
0
-0.02
-0.04
-0.06
-0.08
-0.10
-0.12
0.04
0.02
0.00
0
0
200μF 6.3V Ceramic
TDK P/N C3325X5R0J107M
Vishay GRM43SR60J107ME20L
300μF 6.3VCeramic
TDK P/N C3325X5R0J107M
Vishay GRM43SR60J107ME20L
0
(I
(I
(I
120μF 6.3V Tantalum
Vishay P/N 594D127X96R3C2T
OUT
OUT
OUT
Tantalum Output Ripple
1
1
= 3.0A; V
= 3.0A; V
= 3.0A; V
1
Output Ripple
Output Ripple
Time (μ μ s)
Time (μ μ s)
2
2
Time (μ μ s)
OUT
OUT
2
OUT
= 3.3V; V
= 3.3V; V
= 3.3V; V
3
3
3
IN
IN
IN
= 5.0V)
AAT1155
= 5.0V)
= 5.0V)
4
4
4
5
7
6
5
4
3
2
1
0
-1
5
5
7
6
5
4
3
2
1
0
-1
7
6
5
4
3
2
1
0
-1
7