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參數(shù)資料
| 型號(hào)： | AAT1149 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | 3MHz Fast Transient 400mA Step-Down Converter |
| 中文描述： | 3MHz的快速瞬態(tài)400mA的降壓轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 4/20頁(yè) |
| 文件大小： | 1800K |
| 代理商： | AAT1149 |
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AAT1149
3MHz Fast Transient
400mA Step-Down Converter
4
1149.2006.11.1.0
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 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
Adjustable Output Voltage Range
Quiescent Current
Shutdown Current
P-Channel Current Limit
High Side Switch On Resistance
Low Side Switch On Resistance
1.0
V
IN
70
1.0
V
μ
A
μ
A
mA
Ω
Ω
No Load
V
EN
= GND
45
600
0.45
0.40
I
LXLEAK
LX Leakage Current
V
IN
= 5.5V, V
LX
= 0 to V
IN
,
V
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
T
A
= 25°C
1
μ
A
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
μ
A
T
S
Start-Up Time
70
μ
s
F
OSC
T
SD
T
HYS
Oscillator Frequency
Over-Temperature Shutdown Threshold
Over-Temperature Shutdown Hysteresis
3.0
140
15
MHz
°C
°C
EN
V
EN(L)
V
EN(H)
I
EN
Enable Threshold Low
Enable Threshold High
Input Low Current
0.6
V
V
μ
A
1.4
-1.0
V
IN
= V
OUT
= 5.5V
1.0
1. The AAT1149 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 |
|---|---|
| AAT1149_08 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:3MHz Fast Transient 400mA Step-Down Converter |
| AAT1149A | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:2.2MHz Fast Transient 400mA Step-Down Converter |
| AAT1149AIUV-1.875-T1 | 功能描述:開(kāi)關(guān)變換器、穩(wěn)壓器與控制器 2.2MHz Fast Trans 400mA StepDown Cnvrt 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(kāi)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 |
| AAT1149B | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:2.2MHz Fast Transient 400mA Step-Down Converter |
| AAT1149BIUV-1.8-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:2.2MHz Fast Transient 400mA Step-Down Converter |
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