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Компоненты Описание
AAT1149A Просмотр технического описания (PDF) - Analog Technology Inc
Номер в каталоге
Компоненты Описание
производитель
AAT1149A
2.2MHz Fast Transient 400mA Step-Down Converter
Analog Technology Inc
AAT1149A Datasheet PDF : 17 Pages
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SwitchReg
TM
PRODUCT DATASHEET
AAT1149A
2.2MHz Fast Transient 400mA Step-Down Converter
Typical Characteristics
Line Regulation
(V
OUT
= 1.875V)
1
0.8
0.6
400mA
0.4
0.2
0mA
100mA
0
-0.2
-0.4
-0.6
600mA
-0.8
-1
2.5
3
3.5
4
4.5
5
5.5
6
Input Voltage (V)
Line Transient
(V
OUT
= 1.875V; V
IN
= 3.6V to 4.2V)
5
4
3
2
1
0.04
0
0.02
0
-0.02
Time (200µs/div)
Line Transient
(V
OUT
= 1.875V; No Load)
4.50
1.94
4.25
1.92
4.00
1.90
3.75
1.88
3.50
1.86
3.25
1.84
3.00
1.82
2.75
1.80
2.50
1.78
Time (50µs/div)
N-Channel R
DS(ON)
vs. Input Voltage
(WLCSP-5)
750
700
650
600
120
°
C
100
°
C
550
500
450
85
°
C
400
350
300
25
°
C
250
2.5
3
3.5
4
4.5
5
5.5
6
Input Voltage (V)
P-Channel R
DS(ON)
vs. Input Voltage
(WLCSP-5)
750
700
650
120
°
C
100
°
C
600
550
500
450
85
°
C
400
350
25
°
C
300
250
2.5
3
3.5
4
4.5
5
5.5
6
Input Voltage (V)
Load Transient
(V
OUT
= 1.875V; V
IN
= 3.6V; I
OUT
= 1mA to 400mA)
0.2
0
-0.2
0.5
0
0.5
0
Time (100µs/div)
6
www.analogictech.com
1149A.2008.08.1.1
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