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參數(shù)資料
| 型號： | AAT1142ITP-1.8-T1 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | 800mA Voltage-Scaling Step-Down Converter |
| 中文描述： | 800mA的電壓縮放降壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 4/22頁 |
| 文件大小： | 982K |
| 代理商： | AAT1142ITP-1.8-T1 |
Electrical Characteristics
1
L = 2.2μH, C
IN
= C
OUT
= 10μF, V
IN
= 3.6V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are
at 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
= 0mA to 800mA,
V
IN
= 2.7V to 5.5V
V
UVLO
UVLO Threshold
250
mV
V
2.0
V
OUT
Output Voltage Tolerance
-3.0
3.0
%
V
OUT
V
OUT
Programmable Range
Output Voltage Programming
Slew Rate
Quiescent Current
Shutdown Current
P-Channel Current Limit
High Side Switch On Resistance
Low Side Switch On Resistance
LX Leakage Current
0.6
2.0
V
V
SLEW
C
OUT
= 10μF
10
mV/μs
I
Q
No Load
EN/SET = AGND = PGND
35
70
1.0
μA
μA
A
Ω
Ω
μA
I
SHDN
I
LIM
R
DS(ON)H
R
DS(ON)L
I
LXLEAK
Δ
V
OUT
/
V
OUT
*
Δ
V
IN
R
OUT
T
S
F
OSC
F
SYNC
1.0
0.29
0.24
V
IN
= 5.5V, V
LX
= 0V to V
IN
1
Line Regulation
V
IN
= 2.7V to 5.5V
0.2
%/V
Output Impedance
Start-Up Time
Oscillator Frequency
SYNC Frequency Range
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
250
k
Ω
μs
MHz
MHz
From Enable to Output Regulation
100
2.2
1.0
3.0
T
SD
140
°C
T
HYS
15
°C
AAT1142
800mA Voltage-Scaling Step-Down Converter
4
1142.2006.07.1.0
1. The AAT1142 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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT1142ITP-T1 | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 800mA Volt. Scaling Step-Down Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| AAT1142IWP-1.8-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:800mA Voltage-Scaling Step-Down Converter |
| AAT1143 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1MHz 400mA Step-Down Converter |
| AAT1143_06 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1MHz 400mA Step-Down Converter |
| AAT1143IJS-0.6-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1MHz 400mA Step-Down Converter |
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