參數(shù)資料
型號(hào): AAT1155IKS-1.8-T1
廠商: Advanced Analogic Technologies, Inc.
英文描述: 1MHz 2.5A Step-Down DC/DC Converter
中文描述: 1MHz的2.5A降壓型DC / DC轉(zhuǎn)換器
文件頁(yè)數(shù): 7/17頁(yè)
文件大小: 401K
代理商: AAT1155IKS-1.8-T1
Typical Characteristics
Tantalum Transient Response
(I
OUT
= 0 to 3.0A; V
OUT
= 3.3V; V
IN
= 5.0V)
2.60
2.70
2.80
2.90
3.00
3.10
3.20
3.30
3.40
0
100
200
300
400
500
Time (
μ
s)
(
-1
0
1
2
3
4
5
6
7
I
120
μ
F 6.3V Tantalum
Vishay P/N 594D127X96R3C2T
Output Ripple
(I
OUT
= 3.0A; V
OUT
= 3.3V; V
IN
= 5.0V)
Time (
μ
s)
A
(
I
(
-12
-10
-8
-6
-4
-2
0
2
4
0
1
4
5
-1
0
1
2
3
4
5
6
7
300
μ
F 6.3VCeramic
TDK P/N C3325X5R0J107M
Vishay GRM43SR60J107ME20L
2
3
Loop Crossover Gain and Phase
-16
-12
-8
-4
0
4
8
12
16
10000
100000
1000000
Frequency (Hz)
G
-180
-135
-90
-45
0
45
90
135
180
P
120
μ
F 6.3V Tantalum
Vishay P/N 594D127X96R3C2T
Gain
Output Ripple
(I
OUT
= 3.0A; V
OUT
= 3.3V; V
IN
= 5.0V)
-12
-10
-8
-6
-4
-2
0
2
4
0
1
2
3
4
5
Time (
μ
s)
A
(
-1
0
1
2
3
4
5
6
7
I
(
200
μ
F 6.3V Ceramic
TDK P/N C3325X5R0J107M
Vishay GRM43SR60J107ME20L
Loop Crossover Gain and Phase
-16
-12
-8
-4
0
4
8
12
16
10000
100000
Frequency (Hz)
G
-180
-135
-90
-45
0
45
90
135
180
P
100
μ
F 6.3 Ceramic
TDK P/N C3225X5R0J107M
Vishay GRM43SR60J107ME20L
Phase
200
μ
F gain
300
μ
F gain
L = 1.5
μ
Hy
Tantalum Output Ripple
(I
OUT
= 3.0A; V
OUT
= 3.3V; V
IN
= 5.0V)
-0.12
-0.10
-0.08
-0.06
-0.04
-0.02
0.00
0.02
0.04
0
1
2
3
4
5
Time (
μ
s)
O
(
-1
0
1
2
3
4
5
6
7
I
(
120
μ
F 6.3V Tantalum
Vishay P/N 594D127X96R3C2T
AAT1155
1MHz 2.5A Step-Down DC/DC Converter
1155.2005.11.1.6
7
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