參數(shù)資料
型號： AAT2556
廠商： Advanced Analog Technology,lnc.
英文描述： Battery Charger and Step-Down Converter for Portable Applications
中文描述： 電池充電器和降壓轉(zhuǎn)換器為便攜式應(yīng)用
文件頁數(shù)： 8/29頁
文件大?。?/td> 708K
代理商： AAT2556
Typical Characteristics – Step-Down Converter
Output Ripple
(V
IN
= 3.6V; V
OUT
= 1.8V; I
OUT
= 250mA)
O
(
I
Time (200ns/div)
-120
-100
-80
-60
-40
-20
0
20
40
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
V
O
I
L
Output Ripple
(V
IN
= 3.6V; V
OUT
= 1.8V; I
OUT
= 1mA)
O
(
I
Time (2μs/div)
-120
-100
-80
-60
-40
-20
0
20
40
-0.01
0.00
0.01
0.02
0.03
0.04
0.05
0.06
0.07
V
O
I
L
Line Response
(V
OUT
= 1.8V @ 250mA; C
FF
= 100pF)
O
(
I
Time (25μs/div)
1.50
1.55
1.60
1.65
1.70
1.75
1.80
1.85
1.90
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
V
O
V
IN
Load Transient Response
(10mA to 250mA; V
IN
= 3.6V; V
OUT
= 1.8V; C
OUT
= 4.7μF)
O
(
L
Time (25μs/div)
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
V
O
I
LX
I
O
Load Transient Response
(10mA to 250mA; V
IN
= 3.6V; V
OUT
= 1.8V;
C
OUT
= 4.7μF; C
FF
= 100pF)
O
(
L
Time (25μs/div)
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
V
O
I
LX
I
O
AAT2556
Battery Charger and Step-Down
Converter for Portable Applications
8
2556.2006.09.1.2
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參數(shù)描述
AAT2556IWP-CA-T1 制造商:AAT 制造商全稱:AAT 功能描述:Battery Charger and Step-Down Converter for Portable Applications
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AAT2557ITO-CT-T1 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:500mA Battery Charger and 300mA LDO Regulator for Portable Systems
AAT2557ITO-CW-T1 功能描述:電池管理 500 mA Battery Chrg 300 mA LDO Reg RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
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