參數資料
型號: AAT2554
廠商: Advanced Analog Technology,lnc.
英文描述: Total Power Solution for Portable Applications
中文描述: 總功率便攜式應用解決方案
文件頁數: 8/33頁
文件大?。?/td> 877K
代理商: AAT2554
AAT2554
Total Power Solution for Portable Applications
8
2554.2007.01.1.2
Typical Characteristics – Step-Down Converter
N-Channel R
DS(ON)
vs. Input Voltage
Input Voltage (V)
R
D
Ω
)
300
350
400
450
500
550
600
650
700
750
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
120
°
C
100
°
C
85
°
C
25
°
C
P-Channel R
DS(ON)
vs. Input Voltage
Input Voltage (V)
R
D
Ω
)
300
400
500
600
700
800
900
1000
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
120
°
C
100
°
C
85
°
C
25
°
C
No Load Quiescent Current vs. Input Voltage
Input Voltage (V)
S
10
15
20
25
30
35
40
45
50
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
85
°
C
25
°
C
-40
°
C
Frequency Variation vs. Input Voltage
(V
OUT
= 1.8V)
Input Voltage (V)
F
-4.0
-3.0
-2.0
-1.0
0.0
1.0
2.0
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Switching Frequency Variation
vs. Temperature
(V
IN
= 3.6V; V
OUT
= 1.8V)
Temperature (
°
C)
V
-10.0
-8.0
-6.0
-4.0
-2.0
0.0
2.0
4.0
6.0
8.0
10.0
-40
-20
0
20
40
60
80
100
Output Voltage Error vs. Temperature
(V
INB
= 3.6V; V
OUT
= 1.8V; I
OUT
= 250mA)
Temperature (
°
C)
O
-3.0
-2.0
-1.0
0.0
1.0
2.0
3.0
-40
-20
0
20
40
60
80
100
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相關代理商/技術參數
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AAT2556 制造商:AAT 制造商全稱:AAT 功能描述:Battery Charger and Step-Down Converter for Portable Applications