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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)： | 4/29頁 |
| 文件大小： | 708K |
| 代理商： | AAT2556 |
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Electrical Characteristics
1
V
IN
= 3.6V; T
A
= -40°C to +85°C, unless otherwise noted. Typical values are T
A
= 25°C.
Symbol
Description
Conditions
Min
Typ
Max
Units
Step-Down Converter
V
IN
Input Voltage
2.7
5.5
2.7
V
V
V
IN
Rising
Hysteresis
V
IN
Falling
I
OUT
= 0 to 250mA,
V
IN
= 2.7V to 5.5V
V
UVLO
UVLO Threshold
200
mV
V
%
1.8
-3.0
V
OUT
Output Voltage Tolerance
2
3.0
V
OUT
I
Q
I
SHDN
I
LIM
R
DS(ON)H
R
DS(ON)L
I
LXLEAK
Δ
V
Linereg
/
Δ
V
IN
V
FB
I
FB
F
OSC
Output Voltage Range
Quiescent Current
Shutdown Current
P-Channel Current Limit
High-Side Switch On Resistance
Low-Side Switch On Resistance
LX Leakage Current
Line Regulation
Feedback Threshold Voltage Accuracy
FB Leakage Current
Oscillator Frequency
0.6
V
IN
V
μA
μA
mA
Ω
Ω
μA
%/V
V
μA
MHz
No Load
EN = GND
30
1.0
600
0.59
0.42
V
IN
= 5.5V, V
LX
= 0 to V
IN
V
IN
= 2.7V to 5.5V
V
IN
= 3.6V
V
OUT
= 1.0V
1.0
0.2
0.600
0.591
0.609
0.2
1.5
T
S
Startup Time
From Enable to Output
Regulation
100
μs
T
SD
T
HYS
V
EN(L)
V
EN(H)
I
EN
Over-Temperature Shutdown Threshold
Over-Temperature Shutdown Hysteresis
Enable Threshold Low
Enable Threshold High
Input Low Current
140
15
°C
°C
V
V
μA
0.6
1.4
-1.0
V
IN
= V
EN
= 5.5V
1.0
AAT2556
Battery Charger and Step-Down
Converter for Portable Applications
4
2556.2006.09.1.2
1. The AAT2556 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
by design, characterization, and correlation with statistical process controls.
2. Output voltage tolerance is independent of feedback resistor network accuracy.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| 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 |
| AAT2557 | 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 |
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| 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 |
| AAT2601 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Total Power Solution for Portable Applications |
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