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參數(shù)資料
| 型號： | AAT2505IWP-AQ-T1 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | Dual Channel, Step-Down Converter/Linear Regulator |
| 中文描述： | 雙通道，降壓轉(zhuǎn)換器/線性穩(wěn)壓器 |
| 文件頁數(shù)： | 5/26頁 |
| 文件大?。?/td> | 854K |
| 代理商： | AAT2505IWP-AQ-T1 |
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Electrical Characteristics
1
I
OUT
= 600mA; typical values are T
A
= 25°C, V
IN
= V
CC
= V
P
= 3.6V.
Symbol
Description
Conditions
Min
Typ
Max
Units
Buck Converter
V
IN
Input Voltage
2.7
5.5
2.7
V
V
V
IN
Rising
Hysteresis
V
IN
Falling
I
OUT
= 0 to 600mA,
V
IN
= 2.7V to 5.5V
V
UVLO
UVLO Threshold
100
mV
V
1.8
V
OUT
Output Voltage Tolerance
-3.0
3.0
%
V
OUT
Output Voltage Range
Step-Down Converter
Quiescent Current
0.6
V
IN
V
I
QBUCK
ENLDO = GND, No Load,
0.6V Adjustable Version
EN = SGND = PGND,
ENLDO = GND
27
70
μA
I
SHDN
Shutdown Current
1.0
μA
I
LIM
P-Channel Current Limit
High Side Switch On Resistance
Low Side Switch On Resistance
800
mA
Ω
Ω
R
DS(ON)H
R
DS(ON)L
0.45
0.40
I
LXLK
LX Leakage Current
V
IN
= 5.5V, V
LX
= 0 to V
IN
,
EN = SGND = PGND
V
IN
= 2.7V to 5.5V
0.6V Output, No Load,
T
A
= 25°C
0.6V Output
> 0.6V Output
From Enable to Output
Regulation
T
A
= 25°C
1.0
μA
Δ
V
Linereg
Line Regulation
0.1
%/V
V
FB
FB Threshold Voltage Accuracy
591
600
609
mV
I
FB
R
FB
FB Leakage Current
FB Impedance
0.2
μA
k
Ω
250
T
S
Start-Up Time
150
μs
F
OSC
Oscillator Frequency
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
1.0
1.4
2.0
MHz
T
SD
140
°C
T
HYS
15
°C
Logic Signals
V
EN(L)
V
EN(H)
I
EN(H)
Enable Threshold Low
Enable Threshold High
Leakage Current
0.6
V
V
μA
1.4
-1.0
1.0
AAT2505
Dual Channel, Step-Down
Converter/Linear Regulator
2505.2006.06.1.1
5
1. The AAT2505 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.
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