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Número de pieza
componentes Descripción
AAT1157IVN-T1 Ver la hoja de datos (PDF) - Analog Technology Inc
Número de pieza
componentes Descripción
Fabricante
AAT1157IVN-T1
1MHz 1.2A Buck DC/DC Converter
Analog Technology Inc
AAT1157IVN-T1 Datasheet PDF : 14 Pages
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Typical Characteristics
Soft Start
(V
OUT
= 2.5V; I
OUT
= 1.2A; V
IN
= 3.6V)
6.0
3.5
4.0
3.0
2.0
2.5
0.0
2.0
-2.0
1.5
-4.0
1.0
-6.0
0.5
-8.0
0.0
-10.0
-0.5
Time (250
µ
s/div)
Line Transient
(I
OUT
= 1.2A; V
O
= 2.5V)
4.4
0.24
4.2
0.20
4.0
0.16
3.8
0.12
3.6
0.08
3.4
0.04
3.2
0.00
3.0
-0.04
2.8
-0.08
Time (25
µ
s/div)
AAT1157
1MHz 1.2A Buck DC/DC Converter
Output Ripple
(V
OUT
= 2.5V; I
OUT
= 1.2A; V
IN
= 3.6V)
0.02
3
0.01
2.5
0
-0.01
2
-0.02
1.5
-0.03
1
-0.04
0.5
-0.05
-0.06
0
Time (500ns/div)
Load Transient Response
(400mA-1.2A; V
IN
= 3.3V; V
OUT
= 2.5V)
0.08
0.05
0.02
-0.01
-0.04
-0.07
-0.10
-0.13
-0.16
4.0
3.5
3.0
2.5
2.0
1.2A
1.5
1.0
400mA
0.5
0.0
Time (20
µ
s/div)
6
1157.2005.11.1.4
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