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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)： | 5/29頁 |
| 文件大?。?/td> | 708K |
| 代理商： | AAT2556 |
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Electrical Characteristics
1
V
ADP
= 5V; T
A
= -40°C to +85°C, unless otherwise noted. Typical values are T
A
= 25°C.
Symbol
Description
Conditions
Min
Typ
Max
Units
Battery Charger
Operation
V
ADP
Adapter Voltage Range
Under-Voltage Lockout (UVLO)
UVLO Hysteresis
Operating Current
Shutdown Current
Reverse Leakage Current from BAT Pin
Voltage Regulation
V
BAT_EOC
End of Charge Accuracy
Δ
V
CH
/V
CH
Output Charge Voltage Tolerance
V
MIN
Preconditioning Voltage Threshold
V
RCH
Battery Recharge Voltage Threshold
Current Regulation
I
CH
Charge Current Programmable Range
Δ
I
CH
/I
CH
Charge Current Regulation Tolerance
V
SET
ISET Pin Voltage
K
I_A
Current Set Factor: I
CH
/I
SET
Charging Devices
R
DS(ON)
Charging Transistor On Resistance
Logic Control/Protection
V
EN(H)
Input High Threshold
V
EN(L)
Input Low Threshold
V
STAT
Output Low Voltage
I
STAT
STAT Pin Current Sink Capability
V
OVP
Over-Voltage Protection Threshold
I
TK
/I
CHG
Pre-Charge Current
I
TERM
/I
CHG
Charge Termination Threshold Current
4.0
3
6.5
4
V
V
V
UVLO
Rising Edge
150
0.5
0.3
0.4
mV
mA
μA
μA
I
OP
Charge Current = 200mA
V
BAT
= 4.25V, EN = GND
V
BAT
= 4V, ADP Pin Open
1
1
2
I
SHUTDOWN
I
LEAKAGE
4.158
4.20
0.5
3.0
-0.1
4.242
V
%
V
V
2.85
3.15
Measured from V
BAT_EOC
15
500
mA
%
V
10
2
800
V
ADP
= 5.5V
0.9
1.1
Ω
1.6
V
V
V
0.4
0.4
8
STAT Pin Sinks 4mA
mA
V
%
%
4.4
10
10
I
CH
= 100mA
AAT2556
Battery Charger and Step-Down
Converter for Portable Applications
2556.2006.09.1.2
5
1. The AAT2556 output charge voltage is specified over the 0° to 70°C ambient temperature range; operation over the -25°C to +85°C
temperature range is guaranteed by design.
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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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