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參數(shù)資料
| 型號(hào)： | AAT1147IJS-0.6-T1 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | High Efficiency, Low Noise, Fast Transient 400mA Step-Down Converter |
| 中文描述： | 高效率，低噪聲，快速瞬態(tài)400mA的降壓轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 4/19頁(yè) |
| 文件大?。?/td> | 620K |
| 代理商： | AAT1147IJS-0.6-T1 |
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Electrical Characteristics
1
T
A
= -40°C to +85°C, unless otherwise noted. Typical values are T
A
= 25°C, V
IN
= 3.6V.
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 400mA,
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
I
Q
I
SHDN
I
LIM
R
DS(ON)H
R
DS(ON)L
Output Voltage Range
Quiescent Current
Shutdown Current
P-Channel Current Limit
High Side Switch On Resistance
Low Side Switch On Resistance
0.6
V
IN
300
1.0
V
μA
μA
mA
Ω
Ω
No Load
EN = AGND = PGND
160
600
0.45
0.40
I
LXLEAK
LX Leakage Current
V
IN
= 5.5V, V
LX
= 0 to V
IN
,
EN = GND
V
IN
= 2.7V to 5.5V
0.6V Output, No Load,
T
A
= 25°C
0.6V Output
From Enable to Output
Regulation
1
μA
Δ
V
LINEREG
Line Regulation
0.1
%/V
V
OUT
Out Threshold Voltage Accuracy
591
600
609
mV
I
OUT
Out Leakage Current
0.2
μA
T
S
Start-Up Time
150
μs
F
OSC
T
SD
Oscillator Frequency
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
1.0
1.4
140
2.0
MHz
°C
T
HYS
15
°C
EN
V
EN(L)
V
EN(H)
I
EN
Enable Threshold Low
Enable Threshold High
Input Low Current
0.6
V
V
μA
1.4
-1.0
V
IN
= V
OUT
= 5.5V
1.0
AAT1147
High Efficiency, Low Noise, Fast Transient
400mA Step-Down Converter
4
1147.2006.05.1.0
1. The AAT1147 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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