AAT1154 Advanced Analogic Technologies, AAT1154 Datasheet - Page 7

• Manufacturer Part Number: AAT1154
• Description: 1MHz 3A Buck DC/DC Converter
• Manufacturer: Advanced Analogic Technologies

Typical Characteristics
1154.2003.08.0.91
-12
-16
Inrush and Output Overshoot Characteristic
16
12
-4
-8
8
4
0
10000
14
12
10
-2
8
6
4
2
0
-10
-12
-2
-4
-6
-8
4
2
0
0
100 F 6.3V Ceramic
TDK P/N C3225X5R0J107M
Loop Crossover Gain and Phase
Inductor Current
0
I
OUT
Input
200 uF 6.3V Ceramic
TDK P/N C3325X5R0J107M
= 3.0A, V
0.4
3x 100 F
1
Frequency (Hz)
Output Ripple
Time (millisec)
Time ( sec)
0.8
No Load
2x 100 F
Output
OUT
2
= 3.3V, V
1.2
3
IN
Phase
1.6
4
= 5.0V
100000
5
2
7
6
5
4
3
2
1
0
-1
6
4
2
0
-2
-4
-6
-8
-10
180
135
90
45
0
-45
-90
-135
-180
1MHz 3A Buck DC/DC Converter
-12
-16
16
12
-4
-8
8
4
0
10000
-10
-12
-100
-120
-2
-4
-6
-8
4
2
0
-20
-40
-60
-80
40
20
Loop Crossover Gain and Phase
0
0
I
I
OUT
OUT
0
300 µF 6.3VCeramic
TDK P/N C3325X5R0J107M
120 F 6.3V Tantalum Vishay
P/N 594D127X96R3C2T
Tantalum Output Ripple
= 3.0A, V
= 3.0A, V
1
1
Frequency (Hz)
Output Ripple
120 F 6.3V Tantalum
Vishay P/N 594D127X96R3C2T
Gain
Time ( sec)
Time ( sec)
OUT
2
OUT
2
= 3.3V, V
= 3.3V, V
3
3
Phase
IN
IN
AAT1154
4
4
= 5.0V
= 5.0V
100000
5
5
7
6
5
4
3
2
1
0
-1
7
6
5
4
3
2
1
0
-1
180
135
90
45
0
-45
-90
-135
-180
7