AAT1155(2004) データシートの表示（PDF） - Analog Technology Inc
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AAT1155 Datasheet PDF : 16 Pages
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Typical Characteristics
Tantalum Output Ripple
IOUT = 3.0A, VOUT = 3.3V, VIN = 5.0V
0.04
7
0.02
6
0.00
5
-0.02
4
-0.04
3
-0.06
2
-0.08
1
-0.10 120µF 6.3V Tantalum
0
Vishay P/N 594D127X96R3C2T
-0.12
-1
0
1
2
3
4
5
time (µsec)
Output Ripple
IOUT = 3.0A, VOUT = 3.3V, VIN = 5.0V
4
7
2
6
0
5
-2
4
-4
3
-6
2
-8 200µF 6.3V Ceramic
1
-10 TDK P/N C3325X5R0J107M
0
Vishay GRM43SR60J107ME20L
-12
-1
0
1
2
3
4
5
Time (µsec)
Output Ripple
IOUT = 3.0A, VOUT = 3.3V, VIN = 5.0V
4
7
2
6
0
5
-2
4
-4
3
-6
2
-8
300µF 6.3VCeramic
-10 TDK P/N C3325X5R0J107M
Vishay GRM43SR60J107ME20L
-12
0
1
2
3
4
Time (µsec)
1
0
-1
5
AAT1155
1MHz 2.5A Buck DC/DC Converter
Loop Crossover Gain and Phase
16
12
8
4
0
-4
300µF gain
-8
100µF 6.3 Ceramic
-12 TDK P/N C3225X5R0J107M
Vishay GRM43SR60J107ME20L
-16
10000
Frequency (Hz)
180
L = 1.5µHy
135
90
Phase
45
0
200µF gain -45
-90
-135
-180
100000
Loop Crossover Gain and Phase
16
12
8
4
Gain
0
-4
-8
-12 120µF 6.3V Tantalum
Vishay P/N 594D127X96R3C2T
-16
10000
100000
Frequency (Hz)
180
135
90
45
0
-45
-90
-135
-180
1000000
Tantalum Transient Response
IOUT = 0 to 3.0A, VOUT = 3.3V, VIN = 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 (µsec)
7
6
5
4
3
2
1
0
-1
500
1155.2004.08.1.2
7
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